Re: [nlug] creating a "new" home directory

[Howard White]

Tilghman,

Miss one step and you don't get the pizza.  No pizza for Howard...

D'oh!!!

On 12/12/23 14:50, Tilghman Lesher wrote:

Did you remember to mkfs.ext4 (or whatever filesystem you wanted) on
/dev/mapper/ubuntu-vg/home ?  If the last thing you did was simply to
create the lv, then it's just blank; there's no filesystem to mount.

On Tue, Dec 12, 2023 at 2:43 PM Howard White  wrote:


Tilghman (and everyone else):

I'm going to step through some of this and maybe someone may point out
the gaps in my logic.

(to prove that the lv exists)
root@sass60:/# lvdisplay
--- Logical volume ---
LV Path/dev/ubuntu-vg/ubuntu-lv
LV Nameubuntu-lv
VG Nameubuntu-vg
LV UUIDsXSZ05-lDLW-5reh-ujb1-Jz92-Rmzk-9xxMrK
LV Write Accessread/write
LV Creation host, time ubuntu-server, 2023-12-12 14:02:53 +
LV Status  available
# open 1
LV Size100.00 GiB
Current LE 25600
Segments   1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device   253:0

--- Logical volume ---
LV Path/dev/ubuntu-vg/home
LV Namehome
VG Nameubuntu-vg
LV UUIDCvL3Hy-fSo8-ME2W-ajlZ-3ucf-2Qyw-b6Zvc4
LV Write Accessread/write
LV Creation host, time sass60, 2023-12-12 17:51:02 +
LV Status  available
# open 0
LV Size40.00 GiB
Current LE 10240
Segments   1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device   253:1

--- Logical volume ---
LV Path/dev/ubuntu-vg/var
LV Namevar
VG Nameubuntu-vg
LV UUID0i3a0G-ulkw-Ve22-04yj-ITeP-kHY3-f1eY2i
LV Write Accessread/write
LV Creation host, time sass60, 2023-12-12 17:55:53 +
LV Status  available
# open 0
LV Size40.00 GiB
Current LE 10240
Segments   1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device   253:2

Get the blkid of the original / partition:
root@sass60:/# blkid /dev/ubuntu-vg/ubuntu-lv
/dev/ubuntu-vg/ubuntu-lv: UUID="c2b8265f-b025-41ff-a216-0e48c344a121"
BLOCK_SIZE="4096" TYPE="ext4"

Use the same syntax against the home lv:
root@sass60:/# blkid /dev/ubuntu-vg/home
{nothing}

Attempt to mount /dev/ubuntu-vg/home thinking that if it gets mounted,
maybe it'll get a UUID...

root@sass60:/# pwd
/
root@sass60:/# ls
bin  boot  dev  etc  home  lib  lib32  lib64  libx32  lost+found  media
mnt  opt  orighome  proc  root  run  sbin  snap  srv  swap.img  sys  tmp
   usr  var
root@sass60:/# mkdir -pv dumbshit
mkdir: created directory 'dumbshit'
root@sass60:/# mount -t ext4 /dev/mapper/ubuntu-vg/home /dumbshit
mount: /dumbshit: special device /dev/mapper/ubuntu-vg/home does not exist.
root@sass60:/# mount -t ext4 /dev/ubuntu-vg/home /dumbshit
mount: /dumbshit: wrong fs type, bad option, bad superblock on
/dev/mapper/ubuntu--vg-home, missing codepage or helper program, or
other error.

_WTF??_

Howard

On 12/12/23 13:54, Tilghman Lesher wrote:

I think this is the answer you're looking for:

https://askubuntu.com/questions/900309/blkid-cant-find-lvms-uuid

For the sake of the archive, in case the link goes stale, the problem
is that there are separate block IDs for the logical volume versus the
filesystem on the logical volume, and you want to use the block ID for
the filesystem to mount it, not the block ID for the logical volume.

On Tue, Dec 12, 2023 at 1:40 PM Howard White  wrote:


My google-foo is in another dimension.  I am creating a new bare-metal
server with Ubuntu 22.04 and LVM.  The initial build uses the installer
defaults which results in a base system with 100GB / directory.  This is
"fine" and it runs.

Used lvcreate for two new LVM logical items: home and var.  Doing this
one step at a time.  Renamed (mv) /home to /orighome.  Want to modify
/etc/fstab to point to /dev/mapper/ubuntu-vg/home.

If I run lvdisplay, there is an LV-UUID reported but attempting to use
that value in a mount command or in /etc/fstab results in "nocando"
error.  How to obtain a blkid for an LVM member??

This is what happens when one uses such commands ever other three years.

Howard

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Re: [nlug] creating a "new" home directory

[Howard White]

Tilghman (and everyone else):

I'm going to step through some of this and maybe someone may point out 
the gaps in my logic.


(to prove that the lv exists)
root@sass60:/# lvdisplay
  --- Logical volume ---
  LV Path/dev/ubuntu-vg/ubuntu-lv
  LV Nameubuntu-lv
  VG Nameubuntu-vg
  LV UUIDsXSZ05-lDLW-5reh-ujb1-Jz92-Rmzk-9xxMrK
  LV Write Accessread/write
  LV Creation host, time ubuntu-server, 2023-12-12 14:02:53 +
  LV Status  available
  # open 1
  LV Size100.00 GiB
  Current LE 25600
  Segments   1
  Allocation inherit
  Read ahead sectors auto
  - currently set to 256
  Block device   253:0

  --- Logical volume ---
  LV Path/dev/ubuntu-vg/home
  LV Namehome
  VG Nameubuntu-vg
  LV UUIDCvL3Hy-fSo8-ME2W-ajlZ-3ucf-2Qyw-b6Zvc4
  LV Write Accessread/write
  LV Creation host, time sass60, 2023-12-12 17:51:02 +
  LV Status  available
  # open 0
  LV Size40.00 GiB
  Current LE 10240
  Segments   1
  Allocation inherit
  Read ahead sectors auto
  - currently set to 256
  Block device   253:1

  --- Logical volume ---
  LV Path/dev/ubuntu-vg/var
  LV Namevar
  VG Nameubuntu-vg
  LV UUID0i3a0G-ulkw-Ve22-04yj-ITeP-kHY3-f1eY2i
  LV Write Accessread/write
  LV Creation host, time sass60, 2023-12-12 17:55:53 +
  LV Status  available
  # open 0
  LV Size40.00 GiB
  Current LE 10240
  Segments   1
  Allocation inherit
  Read ahead sectors auto
  - currently set to 256
  Block device   253:2

Get the blkid of the original / partition:
root@sass60:/# blkid /dev/ubuntu-vg/ubuntu-lv
/dev/ubuntu-vg/ubuntu-lv: UUID="c2b8265f-b025-41ff-a216-0e48c344a121" 
BLOCK_SIZE="4096" TYPE="ext4"


Use the same syntax against the home lv:
root@sass60:/# blkid /dev/ubuntu-vg/home
{nothing}

Attempt to mount /dev/ubuntu-vg/home thinking that if it gets mounted, 
maybe it'll get a UUID...


root@sass60:/# pwd
/
root@sass60:/# ls
bin  boot  dev  etc  home  lib  lib32  lib64  libx32  lost+found  media 
mnt  opt  orighome  proc  root  run  sbin  snap  srv  swap.img  sys  tmp 
 usr  var

root@sass60:/# mkdir -pv dumbshit
mkdir: created directory 'dumbshit'
root@sass60:/# mount -t ext4 /dev/mapper/ubuntu-vg/home /dumbshit
mount: /dumbshit: special device /dev/mapper/ubuntu-vg/home does not exist.
root@sass60:/# mount -t ext4 /dev/ubuntu-vg/home /dumbshit
mount: /dumbshit: wrong fs type, bad option, bad superblock on 
/dev/mapper/ubuntu--vg-home, missing codepage or helper program, or 
other error.


_WTF??_

Howard

On 12/12/23 13:54, Tilghman Lesher wrote:

I think this is the answer you're looking for:

https://askubuntu.com/questions/900309/blkid-cant-find-lvms-uuid

For the sake of the archive, in case the link goes stale, the problem
is that there are separate block IDs for the logical volume versus the
filesystem on the logical volume, and you want to use the block ID for
the filesystem to mount it, not the block ID for the logical volume.

On Tue, Dec 12, 2023 at 1:40 PM Howard White  wrote:


My google-foo is in another dimension.  I am creating a new bare-metal
server with Ubuntu 22.04 and LVM.  The initial build uses the installer
defaults which results in a base system with 100GB / directory.  This is
"fine" and it runs.

Used lvcreate for two new LVM logical items: home and var.  Doing this
one step at a time.  Renamed (mv) /home to /orighome.  Want to modify
/etc/fstab to point to /dev/mapper/ubuntu-vg/home.

If I run lvdisplay, there is an LV-UUID reported but attempting to use
that value in a mount command or in /etc/fstab results in "nocando"
error.  How to obtain a blkid for an LVM member??

This is what happens when one uses such commands ever other three years.

Howard

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[nlug] creating a "new" home directory

[Howard White]

My google-foo is in another dimension.  I am creating a new bare-metal 
server with Ubuntu 22.04 and LVM.  The initial build uses the installer 
defaults which results in a base system with 100GB / directory.  This is 
"fine" and it runs.


Used lvcreate for two new LVM logical items: home and var.  Doing this 
one step at a time.  Renamed (mv) /home to /orighome.  Want to modify 
/etc/fstab to point to /dev/mapper/ubuntu-vg/home.


If I run lvdisplay, there is an LV-UUID reported but attempting to use 
that value in a mount command or in /etc/fstab results in "nocando" 
error.  How to obtain a blkid for an LVM member??


This is what happens when one uses such commands ever other three years.

Howard

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Re: [nlug] Best Salesforce alternative?

[Howard White]

John,

Take a look at Tryton.org

Howard

On 8/17/23 17:56, john Wallace wrote:
What would be a good open source alternative to Salesforce for a small 
company that uses Salesforce mostly to manage customer contacts and 
customer support?  Bug tracking would be a plus.  A solution that runs 
on Linux would be preferred but not necessarily required.


Thanks in advance.



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Re: [nlug] How About A Call?

[Howard White]

For the record, I just spoke to David Wilson.  Great conspiracies at work.

Howard

On 5/28/23 09:15, da...@wwns.com wrote:

Hi Guys,

I am looking for Vincent and Howard.

I sent both of you my number.  Could you give me a call?

Apologies to the list for the traffic.

Dave



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Re: [nlug] Backing Up Permissions

[Howard White]

I have struggled with a similar problem.  I have directories of mp3 
files in two places: ntfs and ext4.  With the demise of iROCK109, I need 
to resolve all of the ntfs files as the master copied to the ext4 (on my 
NAS) which I share in the house.  rsync is messing with me over permissions.


Howard

On 5/28/23 03:21, Paul Boniol wrote:
Way back, I should have paid more attention... but I have like 3 TB of 
video recordings backed up to an external (exfat) hard drive (should 
have reformatted as ext4 first but I didn't think about it first).


Now I'm preparing to do a fresh Linux install. And I'm wanting to 
somehow backup the user/group/permissions for the directories and files.


I can look and write them down as most would be the same. Just wondering 
if there's some better way.


---Paul.

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[nlug] xrdp inconsistency between Rocky 8.6 minimal and Rocky 8.6 Standard server w/ graphical

[Howard White]

This is frustrating.  Not that I wish to run rdp anyway but, you know, 
customers...


I have two Rocky 8.6 server instances:  a minimal install with gnome 
added; a "standard server w/ gnome" install.  Have installed xrdp (and 
stuff) Remmina connects to the minimal system okay but not to the 
standard server.  Just trying to figure out one thing at a time.


The lead error message we get in /var/log/xrdp.log is
"VNC error 1 after security negotiation"

Reminds me of "probable user error, correct and resubmit..."

Howard

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[nlug] two factor authentication for outbound email

[Howard White]

We have a customer concerned that Microsoft is implementing a TFA 
requirement for sending emails.  A cursory web search points me to an 
article from Microsoft Documentation 
. 
 The gist of this post is that effective


"In September 2021, we announced that effective October 1, 2022, we will 
begin disabling Basic authentication for Outlook, EWS, RPS, POP, IMAP, 
and EAS protocols in Exchange Online. SMTP Auth will also be disabled if 
it is not being used. See full announcement: Basic Authentication and 
Exchange Online – September 2021 Update."


I guess I live under a rock as this is the first I have heard of this. 
We have customers who send email via Exchange now asking "what are we 
gonna do?"


Yikes

Howard

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Re: [nlug] Choosing Distro

[Howard White]

Paul,

Yes, there is a useful utility in RHEL distros called 'needs-restarting' 
that is in the 'yum-utils' package.  The analog in Ubuntu is to look in 
the /var/run directory and look for things named 'reboot-required,' 
specifically the file 'reboot-required.pkgs'.  I even wrote a Nagios 
test to look for /var/run/reboot-required.


Howard

On 8/24/22 15:14, Paul Boniol wrote:
As previously noted, I've got some issues with my current Linux desktop 
/ home media server. I had been going with a Ubuntu based distro because 
I used to use MythTV, and there used to be Mythbuntu that had it largely 
ready to go. (FYI once you had MythTV working, there were many posts 
telling of woes if you ever upgraded.)


Now that I'm looking at doing a fresh install, and no longer use MythTV, 
I don't think there is any influence to remain with a Ubuntu based distro.

H
I've been thinking about going back to an RPM based distro might be 
nice, because apt can't tell you what processes need to be restarted 
after a lib update. Though I do appreciate the Ubuntu LTS system where 
I'm not forced to upgrade every couple of years to continue getting 
updates. (And have no experience with rolling upgrade systems, e.g. 
Tumbleweed from openSUSE which was new before I got into MythTV.)


Anyone care to share their thoughts on the current distro landscape?

Paul

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[nlug] [SOLVED] Re: DNF certificates for Rocky 8.6

[Howard White]

Many thanks to all for your comments regarding my plight.  As expected, 
"the problem" was self inflicted by my own lack of practice installing 
RedHat style operating systems.  Specifically, there is a slider thingy 
in the upper right hand corner of one of the install screens to enable 
networking from the beginning.  If my experience says anything, slide 
that to ON!


Sorry to bother everyone with such a silly mistake.

Howard

On 8/18/22 17:01, Howard White wrote:
My problem does not originate with Rocky but with the upstream provider, 
RedHat.  Have done a preliminary install of RL8.6 and finally remembered 
how to get networking to run by default; why RedHat, why?  Now, I cannot 
curl or dnf (which uses curl) due to certificate silliness.


I have chased a number of suggestions but am still thwarted.  If I don't 
get a curl 60 error, I get a 403 Forbidden error.


Anybody else been down this rat hole?

Howard


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Re: [nlug] DNF certificates for Rocky 8.6

[Howard White]

Kent,

Fair comment.  Frustrating to say the least.  I am quite sure I 
overlooked a simple step that now prevents me from moving forward.  I am 
one day into the whirlwind search for an answer which is proving elusive.


Howard

On 8/19/22 08:25, Kent Perrier wrote:
What does the Red Hat registration process have to do with Rocky? Blame 
Rocky for Rocky problems.


On Fri, Aug 19, 2022 at 8:19 AM Howard White <mailto:hwh...@vcch.com>> wrote:


Brian,

That is what I am trying to install - Rocky 8.6.  Now installed, dnf
does not allow me to update the OS due to a certificate issue.

Howard

On 8/19/22 08:14, Brian H. Ward wrote:
 > Gotcha. Well, there is always RockyLinux, as an alternative. And,
IIRC,
 > there is another distro trying to fill the vacuum (but I don't
remember
 > the name).
 >
 > On Fri, Aug 19, 2022 at 9:11 AM Howard White mailto:hwh...@vcch.com>
 > <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>> wrote:
 >
 >     Brian,
 >
 >     My application involves production servers; beyond the
license terms of
 >     the developer subscription.  The subscription fee is only
part of the
 >     total cost.  The operational hoops of working with
subscriptions are
 >     excessive.
 >
 >     Count me as one who has lost all respect for RedHat and what
they did
 >     with CentOS.  I am not naive; I know how RedHat and IBM
operate.  The
 >     squeeze of small software developers is on and RedHat is
leading the
 >     way.
 >
 >     Howard
 >
 >     On 8/19/22 08:04, Brian H. Ward wrote:
 >      > FWIW, you can get a developer subscription for free. It's
good for
 >      > setting up a handful of (3, maybe) machines.
 >      >
 >      > On Fri, Aug 19, 2022 at 3:59 AM Howard Coles Jr.
 >     mailto:dhcol...@gmail.com>
<mailto:dhcol...@gmail.com <mailto:dhcol...@gmail.com>>
 >      > <mailto:dhcol...@gmail.com <mailto:dhcol...@gmail.com>
<mailto:dhcol...@gmail.com <mailto:dhcol...@gmail.com>>>> wrote:
 >      >
 >      >     There's a reason I call Red Hat Microsoft Jr.
 >      >
 >      >     RHEL has to be registered through rhsm to their site
or a local
 >      >     Satellite server.
 >      >
 >      >     subscription-manger status will show you if that was
 >     successful. or
 >      >     not.  (And, since you're getting the 403 forbidden I'd say
 >     it's not
 >      >     registered)
 >      >
     >      >     if you have subs, and an account with them, it's easy
peasy,
 >     but if not
 >      >     you're better off going with a clone.
 >      >
 >      >
 >      >     On 8/18/22 17:01, Howard White wrote:
 >      >      > My problem does not originate with Rocky but with
the upstream
 >      >      > provider, RedHat.  Have done a preliminary install of
 >     RL8.6 and
 >      >      > finally remembered how to get networking to run by
 >     default; why
 >      >      > RedHat, why?  Now, I cannot curl or dnf (which uses
curl)
 >     due to
 >      >      > certificate silliness.
 >      >      >
 >      >      > I have chased a number of suggestions but am still
 >     thwarted.  If I
 >      >      > don't get a curl 60 error, I get a 403 Forbidden error.
 >      >      >
 >      >      > Anybody else been down this rat hole?
 >      >      >
 >      >      > Howard
 >      >      >
 >      >     --
 >      >     See Ya'
 >      >     Howard Coles Jr.
 >      >
 >      >     John 3:16!
 >      >
 >      >     --
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Re: [nlug] DNF certificates for Rocky 8.6

[Howard White]

Brian,

That is what I am trying to install - Rocky 8.6.  Now installed, dnf 
does not allow me to update the OS due to a certificate issue.


Howard

On 8/19/22 08:14, Brian H. Ward wrote:
Gotcha. Well, there is always RockyLinux, as an alternative. And, IIRC, 
there is another distro trying to fill the vacuum (but I don't remember 
the name).


On Fri, Aug 19, 2022 at 9:11 AM Howard White <mailto:hwh...@vcch.com>> wrote:


Brian,

My application involves production servers; beyond the license terms of
the developer subscription.  The subscription fee is only part of the
total cost.  The operational hoops of working with subscriptions are
excessive.

Count me as one who has lost all respect for RedHat and what they did
with CentOS.  I am not naive; I know how RedHat and IBM operate.  The
squeeze of small software developers is on and RedHat is leading the
way.

Howard

On 8/19/22 08:04, Brian H. Ward wrote:
 > FWIW, you can get a developer subscription for free. It's good for
 > setting up a handful of (3, maybe) machines.
 >
 > On Fri, Aug 19, 2022 at 3:59 AM Howard Coles Jr.
mailto:dhcol...@gmail.com>
 > <mailto:dhcol...@gmail.com <mailto:dhcol...@gmail.com>>> wrote:
 >
 >     There's a reason I call Red Hat Microsoft Jr.
 >
 >     RHEL has to be registered through rhsm to their site or a local
 >     Satellite server.
 >
 >     subscription-manger status will show you if that was
successful. or
 >     not.  (And, since you're getting the 403 forbidden I'd say
it's not
 >     registered)
 >
 >     if you have subs, and an account with them, it's easy peasy,
but if not
 >     you're better off going with a clone.
 >
 >
 >     On 8/18/22 17:01, Howard White wrote:
 >      > My problem does not originate with Rocky but with the upstream
 >      > provider, RedHat.  Have done a preliminary install of
RL8.6 and
 >      > finally remembered how to get networking to run by
default; why
 >      > RedHat, why?  Now, I cannot curl or dnf (which uses curl)
due to
 >      > certificate silliness.
 >      >
 >      > I have chased a number of suggestions but am still
thwarted.  If I
 >      > don't get a curl 60 error, I get a 403 Forbidden error.
 >      >
 >      > Anybody else been down this rat hole?
 >      >
 >      > Howard
 >      >
 >     --
 >     See Ya'
 >     Howard Coles Jr.
 >
 >     John 3:16!
 >
 >     --
 >     --
 >     You received this message because you are subscribed to the
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Re: [nlug] DNF certificates for Rocky 8.6

[Howard White]

Brian,

My application involves production servers; beyond the license terms of 
the developer subscription.  The subscription fee is only part of the 
total cost.  The operational hoops of working with subscriptions are 
excessive.


Count me as one who has lost all respect for RedHat and what they did 
with CentOS.  I am not naive; I know how RedHat and IBM operate.  The 
squeeze of small software developers is on and RedHat is leading the way.


Howard

On 8/19/22 08:04, Brian H. Ward wrote:
FWIW, you can get a developer subscription for free. It's good for 
setting up a handful of (3, maybe) machines.


On Fri, Aug 19, 2022 at 3:59 AM Howard Coles Jr. <mailto:dhcol...@gmail.com>> wrote:


There's a reason I call Red Hat Microsoft Jr.

RHEL has to be registered through rhsm to their site or a local
Satellite server.

subscription-manger status will show you if that was successful. or
not.  (And, since you're getting the 403 forbidden I'd say it's not
registered)

if you have subs, and an account with them, it's easy peasy, but if not
you're better off going with a clone.


On 8/18/22 17:01, Howard White wrote:
 > My problem does not originate with Rocky but with the upstream
 > provider, RedHat.  Have done a preliminary install of RL8.6 and
 > finally remembered how to get networking to run by default; why
 > RedHat, why?  Now, I cannot curl or dnf (which uses curl) due to
 > certificate silliness.
 >
 > I have chased a number of suggestions but am still thwarted.  If I
 > don't get a curl 60 error, I get a 403 Forbidden error.
 >
 > Anybody else been down this rat hole?
 >
 > Howard
 >
-- 
See Ya'

Howard Coles Jr.

John 3:16!

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[nlug] DNF certificates for Rocky 8.6

[Howard White]

My problem does not originate with Rocky but with the upstream provider, 
RedHat.  Have done a preliminary install of RL8.6 and finally remembered 
how to get networking to run by default; why RedHat, why?  Now, I cannot 
curl or dnf (which uses curl) due to certificate silliness.


I have chased a number of suggestions but am still thwarted.  If I don't 
get a curl 60 error, I get a 403 Forbidden error.


Anybody else been down this rat hole?

Howard

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Re: [nlug] Brave Browser and Mouse Problem

[Howard White]

Curious Paul.  Seems there is more of a combination problem here.  I use 
Brave quite a bit on Ubuntu 20.04 and 22.04 without issues; both on 
laptops and desktops.  I probably don't run the same mix of 
applications.  Clearly you are not holding your tongue correctly ;)


Howard

On 8/15/22 02:44, Paul Boniol wrote:
So this seems really weird. It appears that after using Brave browser 
for a while in Linux, the mouse will stop registering any click, not 
only in Brave but usually everything. Sometimes the pointer disappears, 
but not always. Timing can range from immediately after starting Brave 
to roughly 30 minutes later. I can't identify anything in common 
triggering it. (Though Gnome's Activities click [tiling of windows] 
appears to definitely cause it.)


There are a few reports of similar to Brave, but all I've seen just say 
the issue was closed because there were no additional comments after 30 
days...


A year or so ago I had disabled hardware acceleration because the l
browser would just freeze on occasion. I just verified it is still off. 
I'm not sure of any other setting could effect the mouse?


It doesn't seem to happen if I am not using Brave browser.

It just started happening after a recent update. I can force reinstall 
of a previous version... (Of course I'm sure it was probably updated for 
security reasons...)


Any thoughts?

---Paul.

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Re: [nlug] Single printer shows up as two printers in Ubuntu

[Howard White]

John,

I have a Xerox 6280 that does similar crap.  The first Google search I 
did came across a dpkg -config command that turned off the automatic 
remote printer configuration.  I just looked again and found this link:




where you turn off cups-browsed.  All of which is to say there is more 
than one way to get there.  You just have to be confident that you can 
manually configure your printer.


Configure your printer and ignore the automatic stuff.

Howard

On 3/13/22 16:21, John F. Eldredge wrote:
I have a single printer, an HP Laserjet MFP M29W. This is a 
black-and-white laser printer with built-in scanner, connected to 
happening Ubuntu machine via an USB cable. For some reason, it shows up 
in Ubuntu as two separate printers, named HP_LaserJet_MFP_M28-M31 and 
HP_LaserJet_MFP_M29W_7F4E86_ but using the same printer driver built 
into the kernel, drvless.ppd. I can print to either one. Removing either 
printer definition in settings results in it reappearing a few 
seconds later. Does anyone know why this is happening? Should I disable 
one of them?


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[nlug] compassion

[Howard White]

Most of you know of my disdain for the company Microsoft.  But life gets 
in the way sometimes:


"The son of Microsoft Corp. Chief Executive Satya Nadella has died, a 
spokesperson for the company said Tuesday.


“Very sadly Satya’s son Zain Nadella has passed away. The Nadellas are 
taking time to grieve privately as a family,” the spokesperson said.


Zain Nadella, who was in his mid-20s, was born with cerebral palsy, 
which his father has credited for softening his outlook on work and life."


That we may all learn how to soften our harsh tendencies...

Howard

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Re: [nlug] Modern KVM?

[Howard White]

Excellent discussion about Synergy, guys.  I need to review that as 
well.  I made it work, once, and got distracted away.


For the record, I have two of the Startech.com 4x2, DVI, USB KVM .  They 
work as advertised; with all the limitations noted by Paul. There is 
nothing that says you can't lie to the KVM by which computer you connect 
to a given port but that only goes so far.


On one of my KVM, I have the usual four systems with two monitor ports 
each (both "DVI" and/or cabled to DVI").  One system has four monitors, 
two connected to the KVM and two free standing.  For those instances 
(like Nagios for example) where I have an application that I wish to 
remain visible even when the KVM gets switched, I use monitor 3 or 4
on that system.  I still have to change the KVM if the application 
requires keyboard or mouse.


I bought the first Startech new and found it overpriced for what it is. 
 Got the second off eBay.


Howard


On 2/25/22 01:33, Paul Boniol wrote:
Just curious, does anyone run a modern (DVI/HDMI) KVM at home? I've got 
2 monitors, 2 keyboards, and 2 mice, for 2 computers (work Win-doze, and 
personal Linux) on my desk at home.


I've read up on software "KVM switching". They should leave out the V as 
it does no video switching. That would allow me to go to 1 kbd and 
mouse. However, switching which monitor is connected to which computer 
would be nice too.


Just curious if anyone is using one, and if so which one?

---Paul.

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Re: [nlug] The implementation of systemd - it is tragic

[Howard White]

I'm still looking for a modern port of FSTE from the Honeywell GCOS6 
days...  Sigh.


Howard

On 11/6/21 1:35 PM, Curt Lundgren wrote:
Oh, that's it!  Now Kent gets a lump of coal for Christmas.  Not a large 
one that could be used to provide useful heating, just a small crumbly 
one.  Use vi and enjoy; I'll use Emacs and be very happy.


On Sat, Nov 6, 2021 at 11:15 AM Kent Perrier > wrote:


Oh, come on! Let's get to something that is really clear cut, vi
being better than emacs!



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[nlug] Desktop manager religion; was Re: The implementation of systemd - it is tragic

[Howard White]

Greg,

This is all personal preferences - YMMV.

Just think, you could be running MacOS or Windows and not have any 
choice as to desktop manager...


Remember the desktop manager dark ages - when Microsoft cane out with 
Windows 8 and Ubuntu allowed Unity to escape?  Yours truly was in a 
world of hurt.  Now I continue to use Gnome Flashback because it allows 
me to manage my work spaces in a manner that is productive for me.


Native Gnome 3 is not helpful.
xfce - meh
KDE - too much like emacs
Enlightenment - spend more time setting up than using
Windows 10 - annoying
MacOS - Really?  How much overhead for glitz?

I admit to being an old(er) dog who is set in his desktop ways.

Howard

On 11/6/21 5:02 AM, Greg Donald wrote:

On Fri, Nov 5, 2021 at 12:32 PM Csaba Toth  wrote:


It is a true tragedy which even Linux users often don't realize and are just 
blissfully
ignorant against. And unfortunately by Debian dragging its feet


Awesome!  Can we next talk about which desktop environment is best?
Gnome sucks.  xfce4 is the best.  Who's with me?




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[nlug] The implementation of systemd - it is tragic

[Howard White]

Okay folks,

Many of us like to beef about the complexity of systemd and how it has 
interfered with our lives.  I offer this very thoughtful video taking 
the affirmative argument for systemd.




Howard

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[nlug] Creating the second worst programming language

[Howard White]

Enjoy...



Howard

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Re: [nlug] Restore point / Rollback for Ubuntu 20.04 / browser bookmark file?

[Howard White]

Michael,

So what happens if you boot that system from a live CD / USB 
thumbdrive??  A:  does it boot?  B:  if it boots, can you get to the 
files on the drive?


This situation is one reason I make sure to turn off the motherboard 
splash screens that hide the boot process.  At the moment, a log file 
that would point out the system halt is not coming to mind.


Yes, LVM can make that exciting.

Howard

On 10/10/21 1:17 PM, Michael L wrote:
I have an Ubuntu 20.04 system that's not booting; appears to boot but 
stops at a black screen.  It was running fine till I ran (delayed) 
updates; wasn't able to update for 7 weeks- a Kubuntu 20.04 system took 
the delayed updates without problem.


On Fedora it seems I was easily able to roll back to a previous state 
with updates gone awry.  I believe I did an LVM install, but never fully 
configured the whole snapshot thing.


The only "data" to retrieve is Chromium browser bookmarks which I'll 
google how to do next.  I'm ready to reinstall U20 if necessary, but if 
there's an easier way, I'll take it.  I want to set up either a Synology 
NAS or separate Linux box running NFS to store future snapshots once I 
get that process configured.


Thanks in advance (and past) for excellent input.
   M

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Re: [nlug] Meetup Group

[Howard White]

Michael,

Meetup is perfectly happy to take my money to start a new group but I am 
nothing more than a member of NLUG at this point unable to change the 
organization thereof.


Howard

On 8/24/21 2:32 PM, 'Michael Chaney' via NLUG wrote:
I'm in the nlug group there, so hopefully that'll help.  I'm 
mdcha...@michaelchaney.com <mailto:mdcha...@michaelchaney.com> and my 
picture is there.


On Tue, Aug 24, 2021 at 1:18 PM Howard White <mailto:hwh...@vcch.com>> wrote:


I have logged into Meetup looking to nominate you as an organizer for
NLUG.  I see three names of folks supposedly involved that I have never
seen before.  I do not see where I may point to someone else - like you.

Guidance please.

Howard

On 8/24/21 9:22 AM, 'Michael Chaney' via NLUG wrote:
 > I have a paid meetup account.  If the group there is useful I can
take
 > it in.  Does anybody actually use it?
 >
 > On Tue, Aug 24, 2021 at 9:18 AM Howard White mailto:hwh...@vcch.com>
 > <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>> wrote:
 >
 >     All,
 >
 >     I've received notices that the Nashville Linux Users Group
Meetup page
 >     shall be deleted tomorrow unless someone - they suggest me -
takes on
 >     the role of leader and no doubt pays them money.
 >
 >     Allow me to be blunt.  I really do not care [ about | for ]
Meetup.
 >
 >     Does anyone else have stronger feelings.
 >
 >     Howard
 >
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 >
 >
 >
 > --
 > Michael Darrin Chaney, Sr.
 > mdcha...@michaelchaney.com <mailto:mdcha...@michaelchaney.com>
<mailto:mdcha...@michaelchaney.com <mailto:mdcha...@michaelchaney.com>>
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Re: [nlug] Meetup Group

[Howard White]

I have logged into Meetup looking to nominate you as an organizer for 
NLUG.  I see three names of folks supposedly involved that I have never 
seen before.  I do not see where I may point to someone else - like you.


Guidance please.

Howard

On 8/24/21 9:22 AM, 'Michael Chaney' via NLUG wrote:
I have a paid meetup account.  If the group there is useful I can take 
it in.  Does anybody actually use it?


On Tue, Aug 24, 2021 at 9:18 AM Howard White <mailto:hwh...@vcch.com>> wrote:


All,

I've received notices that the Nashville Linux Users Group Meetup page
shall be deleted tomorrow unless someone - they suggest me - takes on
the role of leader and no doubt pays them money.

Allow me to be blunt.  I really do not care [ about | for ] Meetup.

Does anyone else have stronger feelings.

Howard

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--
Michael Darrin Chaney, Sr.
mdcha...@michaelchaney.com <mailto:mdcha...@michaelchaney.com>
http://www.michaelchaney.com/ <http://www.michaelchaney.com/>

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[nlug] Meetup Group

[Howard White]

All,

I've received notices that the Nashville Linux Users Group Meetup page 
shall be deleted tomorrow unless someone - they suggest me - takes on 
the role of leader and no doubt pays them money.


Allow me to be blunt.  I really do not care [ about | for ] Meetup.

Does anyone else have stronger feelings.

Howard

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[nlug] web security

[Howard White]

And you thought George Orwell painted a grim picture (1984)?  Try this 
on for size:




Howard

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[nlug] security heads up

[Howard White]

take a read:



Oh, and update your Chrome, too.

Howard

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Re: [nlug] NVME and Raspberry Pi

[Howard White]

Curt,

The video I listed indicates that some NVMe drives draw more power than 
the Pi hardware may provide.


What I have looked at but not yet endeavored is booting / file serving 
the Pi via PXE and NFS.  I've printed some web searches out but haven't 
gotten past that point.


A potential topic for a meeting some time?

Howard

On 5/15/21 12:33 PM, Curt Lundgren wrote:
Thanks Howard, I have been following Jeff Geerling's great videos, and 
the Mirko board is certainly packed with features.  The part I'm having 
trouble with is why the Pi boots and appears to run quite normally, for 
10 - 20 minutes, then just stops accessing the NVMe drive and hangs.  If 
I'm streaming music, it continues to stream - but nothing else works.  I 
don't think it's a thermal issue, because if I unplug power and plug it 
right back in, the Pi boots right up again.


Silly me for thinking this would be something that 'just works…'

On Sat, May 15, 2021 at 10:13 AM Howard White <mailto:hwh...@vcch.com>> wrote:


Curt,

Sorry I'm slow to respond.  I also struggle with RPi and MicroSD media.
   Here is a YouTube with some info about NVMe kit:

<https://www.youtube.com/watch?v=DZMF1n75Km0
<https://www.youtube.com/watch?v=DZMF1n75Km0>>

Howard

On 5/10/21 4:38 PM, Curt Lundgren wrote:
 > I've set up a Pi 4 computer with 8 GB of RAM and a pair of 1080P
 > displays as a second place to sit.  No Email, no chats of any kind,
 > rather peaceful, actually.  It's running 64-bit Ubuntu, and
except for
 > an occasional non-fatal complaint from one application or
another, it
 > runs rather well.
 >
 > It's booting from a 32 GB high-endurance micro SD.  The problem I've
 > observed with RPi computers in the past is that they destroy
their boot
 > media.  Most, if not all, micro SD cards do not have wear
leveling, and
 > so the constant logging and other activity eventually 'wears a
hole' in
 > the media and it fails.  This didn't keep my original single-core
700
 > MHz Pi from setting a personal runtime record of 1503 days, but
it would
 > not boot after power was restored.  Added a new high-endurance
micro SD
 > card to it, and it came right back up.
 >
 > Back in the Watkins days we were using Pi3 computers for door access
 > control.  Everything was rock-solid reliable - until the boot media
 > would fail.  That's when I hit on the idea of using the
high-endurance
 > cards.  I've never had one of those fail, knock on wood.
 >
 > I still like the idea of wear leveling, so I bought a 500 GB NVMe
drive
 > and a USB 3+ enclosure.  It's bloody fast when connected to a Mac
 > laptop, over 900 MB/sec both read and write.  I copied the Ubuntu
boot
 > image onto it and plugged it into the PI4.  I did have to flash
the Pi
 > firmware so it will boot either from an SD card or external USB
media.
 > The Pi boots up and runs beautifully - for 10 to 20 minutes, then it
 > just hangs.  Power cycle and it's good for another 10 - 20 minutes.
 >
 > Is it a power issue?  I have a spare USB 3.0 powered hub, so I
plugged
 > the new drive into the hub and the hub into the Pi.  It looks silly,
 > with the hub being substantially larger than the computer, but it
boots
 > up, runs beautifully for 10 - 20 minutes - and hangs.  I don't
think the
 > trouble can be blamed on power supply issues, and I'm stumped as
to what
 > else might be going on.  I'm back on the high-endurance micro SD
card,
 > but would like very much to have the added capacity and wear
leveling
 > the SSD offers.
 >
 > Speed through the hub was dismal at about 32 MB/sec., pretty much
USB
 > 2.0 performance, but that would have been OK if the Pi would run
and not
 > lock up.
 >
 > Does anyone have any thoughts as to what might be going on here?
 >
 > Thanks
 > Curt Lundgren
 >
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Re: [nlug] NVME and Raspberry Pi

[Howard White]

Curt,

Sorry I'm slow to respond.  I also struggle with RPi and MicroSD media. 
 Here is a YouTube with some info about NVMe kit:




Howard

On 5/10/21 4:38 PM, Curt Lundgren wrote:
I've set up a Pi 4 computer with 8 GB of RAM and a pair of 1080P 
displays as a second place to sit.  No Email, no chats of any kind, 
rather peaceful, actually.  It's running 64-bit Ubuntu, and except for 
an occasional non-fatal complaint from one application or another, it 
runs rather well.


It's booting from a 32 GB high-endurance micro SD.  The problem I've 
observed with RPi computers in the past is that they destroy their boot 
media.  Most, if not all, micro SD cards do not have wear leveling, and 
so the constant logging and other activity eventually 'wears a hole' in 
the media and it fails.  This didn't keep my original single-core 700 
MHz Pi from setting a personal runtime record of 1503 days, but it would 
not boot after power was restored.  Added a new high-endurance micro SD 
card to it, and it came right back up.


Back in the Watkins days we were using Pi3 computers for door access 
control.  Everything was rock-solid reliable - until the boot media 
would fail.  That's when I hit on the idea of using the high-endurance 
cards.  I've never had one of those fail, knock on wood.


I still like the idea of wear leveling, so I bought a 500 GB NVMe drive 
and a USB 3+ enclosure.  It's bloody fast when connected to a Mac 
laptop, over 900 MB/sec both read and write.  I copied the Ubuntu boot 
image onto it and plugged it into the PI4.  I did have to flash the Pi 
firmware so it will boot either from an SD card or external USB media.  
The Pi boots up and runs beautifully - for 10 to 20 minutes, then it 
just hangs.  Power cycle and it's good for another 10 - 20 minutes.


Is it a power issue?  I have a spare USB 3.0 powered hub, so I plugged 
the new drive into the hub and the hub into the Pi.  It looks silly, 
with the hub being substantially larger than the computer, but it boots 
up, runs beautifully for 10 - 20 minutes - and hangs.  I don't think the 
trouble can be blamed on power supply issues, and I'm stumped as to what 
else might be going on.  I'm back on the high-endurance micro SD card, 
but would like very much to have the added capacity and wear leveling 
the SSD offers.


Speed through the hub was dismal at about 32 MB/sec., pretty much USB 
2.0 performance, but that would have been OK if the Pi would run and not 
lock up.


Does anyone have any thoughts as to what might be going on here?

Thanks
Curt Lundgren

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Re: [nlug] network congestion

[Howard White]

Network is definitely more better now.

Howard

On 5/13/21 9:46 AM, Tilghman Lesher wrote:

Word is that Nexus is having routing issues.  It seems to be fine for
a few minutes at a time, and then connections time out.

Hopefully they'll have a fix in place soon.

On Thu, May 13, 2021 at 9:41 AM Howard White  wrote:


Hey guys,

Is anyone aware of greater internet screwup somewhere??  We are able to
connect to some but not all of our customers cleanly.  Southwest of
Nashville in particular.

Howard

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[nlug] network congestion

[Howard White]

Hey guys,

Is anyone aware of greater internet screwup somewhere??  We are able to 
connect to some but not all of our customers cleanly.  Southwest of 
Nashville in particular.


Howard

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[nlug] JVM memory leak??

[Howard White]

All,

Just a hunch.  And this may well have been addressed ages ago, hence my 
post here.  We keep servers going a long time between reboots and even 
longer between software upgrades.  Our current "java -version" is 1.8.0_102.


Said system was up over a year without restart and the swap space filled 
up.  I have subsequently learned how to push swap pages back to real 
memory but that does not take away from the fact that the number of 
memory pages consumed by jvm continues to grow ever so slowly.


Am I observing a memory leak or is Java just that much of a pig?  (not 
that I have an opinion on that matter...)


Howard

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[nlug] Day in Seattle

[Howard White]

Sigh,

Off on a great junket.  Will have an extra day in Seattle next week and 
the thought occurred that there is the Living Computer Museum, founded 
by Paul Allen, that houses the very CDC 6500 upon which I learned 
assembler.  Alas, COVID has closed the museum for the time being.


To think that there was great rejoicing at Purdue in 1988 when the 
"plug" was pulled on the CDC 6500.  Just like there was great rejoicing 
in 1976 or 77 when the IBM 709n computers were removed.


And so it goes

Howard

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[nlug] Is your browser private enough?

[Howard White]

Found this short YouTube very interesting regarding web browsers and 
their harvesting of data:




Be advised...

Howard

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Re: [nlug] RHEL now has a free tier!

[Howard White]

<--  too lazy to lookup the upside down "bang."

On 1/20/21 9:06 PM, 'Michael Chaney' via NLUG wrote:
On Wed, Jan 20, 2021 at 8:47 PM Howard White <mailto:hwh...@vcch.com>> wrote:


!No Bueno!!  Long live Whitebox Linux!!


I couldn't figure out what you were saying there, but I think you meant 
"¡No Bueno!!".


Michael
--
Michael Darrin Chaney, Sr.
mdcha...@michaelchaney.com <mailto:mdcha...@michaelchaney.com>
http://www.michaelchaney.com/

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Re: [nlug] RHEL now has a free tier!

[Howard White]

!No Bueno!!  Long live Whitebox Linux!!

Howard

On 1/20/21 8:00 PM, Kent Perrier wrote:
If you missed it, you can legally now deploy RHEL, in production, on up 
to 16 systems with the (free) Red Hat Developer Program subscription. 
IMO, they should have waited for this to be ready before announcing the 
change to CentOS.


https://www.redhat.com/en/blog/new-year-new-red-hat-enterprise-linux-programs-easier-ways-access-rhel

Kent

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[nlug] fossil sysadmin discovers /etc/systemd/resolved.conf

[Howard White]

This is intended as self deprecation, not advice...

I'm likely not the only person who has, in a huff, edited 
/etc/resolv.conf to get what I really want to get done - NOW - done.


Instead, we should go muck our changes in /etc/systemd/resolved.conf

#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation; either version 2.1 of the License, or
#  (at your option) any later version.
#
# Entries in this file show the compile time defaults.
# You can change settings by editing this file.
# Defaults can be restored by simply deleting this file.
#
# See resolved.conf(5) for details

[Resolve]
#DNS=
#FallbackDNS=
#Domains=
#LLMNR=no
#MulticastDNS=no
#DNSSEC=no
#DNSOverTLS=no
#Cache=no-negative
#DNSStubListener=yes
#ReadEtcHosts=yes


and then sudo systemctl restart systemd-resolved

Much cleaner.

Howard

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[nlug] sysadmin "command o' the day"

[Howard White]

Like some other "veteran" admins, I'm a little slow coming around to the 
full impact of systemd - specifically the migration away from scripts in 
/etc/init.d.


DAMMIT!  I used to know where to go look for things!

My new command friend - sudo systemctl --type=service

The command by itself posts the results to a "less like" display in 
which one may scroll or page around.  If you have a search term, you may 
pipe the command to grep and narrow the output without the less.


Sorry if I am the last person to have found these commands.

Howard

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[nlug] Whaddyamean net-tools is deprecated???

[Howard White]

I am not the most versed student of the arp command so I hit the man 
page to get more info only to see, in passing, that the entire net-tools 
package is now "obsolete" and no longer maintained.  Okay, I admit that 
I have gotten prior hints about that with the ifconfig command as well.


No more arp, hello ip n.

So I've searched up this cheat sheet:



Swell.

Remember all of our grousing about systemd?   grouse, grouse, grouse, 
grouse...


Howard

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Re: [nlug] Guacamole in place of RDP

[Howard White]

Yeah.  I did the XFCE install and _then_ I did the
yum erase kde-runtime
reboot

So when I try to launch the standard terminal on the VMGuest console 
(did I mention that the VMGuest console sucks?), it fails with a useless 
error message.  When I try to RDP to the VMGuest, it barfs.  The ssh 
command line is fine.


Little things

Howard

On 7/8/20 8:28 PM, Justin W Elam wrote:

Ok Howard I think I understand what you mean.


For what you are using it for Centos with XFCE will be better for you.
As it does provide a GUI.

You should be able to install it from the terminal.

 1. $ sudo yum install -y epel-release
 2. $ sudo yum groupinstall -y "Xfce"
 3. $ sudo reboot

Enjoy =]ah

Warm regards,
Justin

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Re: [nlug] Guacamole in place of RDP

[Howard White]

Justin,

You've got the "thin" part on the wrong side of the equation.

I want the impact of the GUI to be thin on the _server,_ heavy on the 
_desktop._   Don't need not stnkin Chromebooks or thin clients.  Our 
standard Win10 (cough, cough) or linux GUI desktops have more than 
enough capacity and we use them all the time.  Let the desktop computers 
do the presentation.  Move some of the "RDP" stuff off of the server 
onto the desktop.  Put the "g" part of gparted on the desktop system. 
Cups almost does this but not really.


Howard

On 7/8/20 8:13 PM, Justin W Elam wrote:

Yes Howard , guacamole works for it's use case, just like Plan9.


In your case you might even be better off using Google Chromeboxes and 
have everyone connect to a special server for what is needed using 
Google's project for work. It's called G suite and it is free to try.

More information is available here.

https://gsuite.google.com/pricing.html


Or you could try testing guacamole using AWS and LDAP from Gsuite,
Using IPP to print , and connect to a Plan9 or other Linux   instance 
for nfs services.

  If you want to store information elsewhere.
You possibly may be needing to use some type of ERP or accounting 
package like postbooks or something like that.




However Plan9 probably would be something that will not work for your 
muggles.


However most people are comfortable using Google suite or Microsoft 
Suite right?

Here is a comparison of what they offer.

https://gsuite.google.com/compare-editions/

It also has a large marketplace of partners as well. Blackbaud, 
Dynamics, Zoho, WebEx, and a lot of other partners are also available in 
the g suite marketplace too.


As well as Chrome for Enterprises which allows anyone with a chrome 
device login to the Google suite network applications with their 
credentials.


You can also use POS systems like clover or others that are available 
from firms like FirstData.
You can also use other service providers for payroll , time clock, and 
so forth like Sage, Sap,  Epicor, Netsuite , Rippling, Paychex, Workday, 
ADP , Xero, and others.


https://www.getapp.com/hr-employee-management-software/payroll/w/google-apps-for-business/

Note using the cloud
it makes things easier =]

It also depends on what you want or need to do.

All you could need is something a la LTSp

https://ltsp.org/

However I think thin station like is going to be a better bet if you all 
ready have thin clients around. And you are already using RDP. Versus PCoIP.




https://www.vmadmin.co.uk/resources/53-view/244-viewthinstation


More information about Plan9 is available at this site wiki.


https://9p.io/wiki/plan9/plan_9_wiki/

https://css.csail.mit.edu/6.824/2014/papers/plan9.pdf here is a paper 
discussing some of how Plan9 works.


https://www.rs-online.com/designspark/a-pi-powered-plan-9-cluster
Here is a cool design for a small Raspberry Pi Plan9 Cluster for 
research and development.


https://www.trustradius.com/products/citrix-workspace/competitors

Hopefully this will help out.

You may just need to copy data using "DD" to a new disk.

Then you can start over with the latest operating system you want to use.

I recommend using Debian, or RedHat with your favorite GUI, KDe, XFCE, 
gnome or others.


If you use others your mileage may vary.

We use RedHat and pay for it, along with IBM, and others. We also use 
AWS, Microsoft, and a lot of other stuff.


Anyway if Centos Linux s not working.
You may want to try using Centos Stream which is a bit behind Fedora.

https://wiki.centos.org/

Let me know if you need more information or assistance.

Warm regards,
Justin

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To 

[nlug] Guacamole in place of RDP

[Howard White]

Justin,

Many thanks for the rebound.  "Tomcat?"  Say no more.  You saved me the 
grief of disappointment.  The _LAST_ thing I need is a system pig like 
Tomcat and Java just for the purposes of occasionally wanting to log in 
to check a setting or another.  Xrdp is so last century but it is 
not a system crusher.


Our use case is poor to begin with.  Mind you that none of the servers 
I've installed for "my" purposes even have a GUI.  We have non-systems 
types, muggles, that have grown so very soft with the advent of 
graphical tools.  Okay, I get it; I don't use pine or mutt to send email 
(but Thunderbird is bloody close...).


Is gparted easier to use than parted?  Probably.  Are the system 
settings utilities for things like printers easier to use than editing 
cups configuration files?  No doubt.  Can we do these things without the 
bloat of KDE?  No question.


It's just that the "graphical part" and overhead don't need to be on the 
servers we have deployed.  Is the network overhead worth the offload? 
Yes, because we use these connections so infrequently.


Howard

On 7/8/20 6:03 PM, Justin W Elam wrote:

Good Evening Howard and the group:

I see that you, Howard, are wanting to move to using the new Guacamole 
Apache HTML5 API instead of using remote Desktop Protocol.


Based on that application, Guacamole per the FAQs and User Documentation 
is to be similar to Citrix Webapps.


GuaqCD guaqcd is the daemon
Running as guacamole-server

Guacamole is the Guacamole-client running in a Tomcat Servlet Container.


Note Guacamole can also be run as a Docker Container as well if you need 
to keep things separate for policy reasons.

=]

This can also be a way to run x-windows via SSH/VNC/RDP/ more securely 
as you can set a number of ways to authenticate via SSH key, Radius, 
LDAP, DUO, Database, and possibly Active directory.


UUIDs are also set for each client session.

Recording of the sessions is also available.

Hopefully this will help you out with your project.

I would say if you have memory issues XFCE is better GUi than Gnome or KDe.

It also depends if n what the use case is for!

If you need everything that Guacamole has and it is mission essential.

You may just want to pay for Citrix / VmWare Or Oracle Virtualbox 
professional applications.


Then you would not have to manage the server. Instead you would pay  
to have someone else manage the server for you and provide the solution 
based on the contracted response time. 1 minute, 15 minutes, 1 hour, 1 
day, etc.


Otherwise I would recommend taking a test docker container and run a few 
test instances on Azure, AWs, Etc.

Before you go through the process of running it live in your own hardware.

It possibly may be the best option for you based on your use case scenario.

Good luck and keep us updated.

If you need more assistance reply via electronic mail.

Warm regards,
Justin



https://guacamole.apache.org/doc/gug/guacamole-architecture.html

https://guacamole.apache.org/doc/gug/installing-guacamole.html

https://guacamole.apache.org/doc/gug/developers-guide.html


$$$

Justin W Elam

$$$



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Re: replacing KDE; was Re: [nlug] oh, now I've really borked it...

[Howard White]

Also great questions.

The motivation for replacing KDE is that we find that, especially with 
CentOS 7, KDE sessions do not cleanly terminate when a user disconnects 
from xrdp.  I have created a Nagios check to look for such sessions that 
we may clear them.


In the widget category, we recently discovered Akonadi was running with 
ever growing disk consumption for systems and users that aren't using 
these logins as true "desktop" clients.  I've gone through the set of 
servers and attempted to turn off Akonadi.


The desired outcome(s):
- that new server deployments are distributed with a GUI that doesn't 
hang on xrdp disconnect.  I grant you that I don't have any data as to 
whether or not XFCE plays better than KDE in this regard.
- that we be able to cycle through our existing deployments and 
eliminate KDE as an unnecessary load factor.


The good news is that of the client deployments, only a few are on the 
ragged edge of system resources.


Howard

On 7/8/20 4:11 PM, Tilghman Lesher wrote:

It's only as lightweight as the number of widgets you opt to install with it.

The question that I still have is what is the desired outcome?  What
are your requirements, and what is the goal and the purpose thereof?

On Wed, Jul 8, 2020 at 4:07 PM Howard White  wrote:


More great suggestions, Tilghman.

I truly think my biggest roadblock is that the system(s) in question are
CentOS 7.[2,3] and don't really want to be updated to 7.8.  My trying to
muck around with things yum only makes this worse.

My progress with XFCE is useful.  That I may have to re-install a couple
of things and readjust xrdp is par for the course.

Last I heard, XFCE was lighter weight than Gnome anyway.

Howard

On 7/8/20 4:01 PM, Tilghman Lesher wrote:

Another possible approach.  I know you're trying to convert, but the
key is to get the full list of packages.

So you might start with a different guest, with GNOME-from-the-start,
and then grab a list of the packages, then grab the same list of
packages from your starting machine, and compare.

On the machine you're trying to convert, add all the packages that
aren't already there.  You may still have some differences with
configuration, but that might get you to the point of a functional
GNOME.

On Wed, Jul 8, 2020 at 2:46 PM Howard White  wrote:


Follow up from the western front...

Tilghman's suggestion of getting  to work before removing KDE
was good advice.  Gnome came out to the same broken end either way; an
admittedly small sample size.  I have been able to replace KDE with XFCE
- mostly.  The xrdp config is still messed up, which isn't saying much...

Just wondering, has anybody seen or done anything with guacamole from
apache <https://guacamole.apache.org/>??  Seems an alternative to xrdp.

Now, if we could just make GUI a true client/server system where the
presentation work is done on the desktop side.

Howard

On 7/1/20 6:08 PM, Howard White wrote:

Many thanks for the rebound, Brian.

Really didn't notice which of the ?dm programs was there before I
started but I definitely see gdm there after the Gnome install.

And before anybody gets too concerned, I'm working on a copy of a
copy...  I may delete this copy and gen it again to retrace my steps
more carefully.  That yum erase kde-runtime went as apparently cleanly
as it did is a good start.  I need to spend more time on the system post
erase, pre groupinstall to take better stock of what is there.

Howard

On 7/1/20 5:06 PM, Brian H. Ward wrote:

Did removing KDE get rid of sddm but now gdm/gdm3 is not there to take
its place? Been a while since I've messed w/ RHEL/CentOS, but some
distros keep the xdm (login manager) out of the desktop metapackages
so they don't collide (if you want a machine capable or running either
KDE or GNOME).

Just my $0.02 (aka "guess")

--- bhw

On Wed, Jul 1, 2020 at 5:37 PM Jack Coats mailto:j...@coats.org>> wrote:

  Condolences from the retired cheap seats... If you must rebuild it
  sounds like multiple virtual machines or at least some kind of
  containers.  But I have been out of the fray so long, don't take
  anything I say at face value, ...

  Take care ol friends.

  On Wed, Jul 1, 2020 at 4:11 PM Howard White mailto:hwh...@vcch.com>> wrote:
   >
   > Dealing with servers (virtual guests) upon which KDE was
installed as
   > the GUI.  I'm going through an exercise to try to remove KDE and
  replace
   > it, reluctantly, with GNOME.
   >
   > yum erase kde-runtime seems to have done that deed nicely.
   >
   > First attempt yum groupinstall "GNOME Desktop" got all manner of
   > conflicts between libvirt-libs and the existing (old)
libvirt-client
   >
   > yum upgrade libvirt_client
   >
   > yum groupinstall "GNOME Desktop" got passed that
   >
   > Did I mention that I'm working remotely, 

Re: replacing KDE; was Re: [nlug] oh, now I've really borked it...

[Howard White]

More great suggestions, Tilghman.

I truly think my biggest roadblock is that the system(s) in question are 
CentOS 7.[2,3] and don't really want to be updated to 7.8.  My trying to 
muck around with things yum only makes this worse.


My progress with XFCE is useful.  That I may have to re-install a couple 
of things and readjust xrdp is par for the course.


Last I heard, XFCE was lighter weight than Gnome anyway.

Howard

On 7/8/20 4:01 PM, Tilghman Lesher wrote:

Another possible approach.  I know you're trying to convert, but the
key is to get the full list of packages.

So you might start with a different guest, with GNOME-from-the-start,
and then grab a list of the packages, then grab the same list of
packages from your starting machine, and compare.

On the machine you're trying to convert, add all the packages that
aren't already there.  You may still have some differences with
configuration, but that might get you to the point of a functional
GNOME.

On Wed, Jul 8, 2020 at 2:46 PM Howard White  wrote:


Follow up from the western front...

Tilghman's suggestion of getting  to work before removing KDE
was good advice.  Gnome came out to the same broken end either way; an
admittedly small sample size.  I have been able to replace KDE with XFCE
- mostly.  The xrdp config is still messed up, which isn't saying much...

Just wondering, has anybody seen or done anything with guacamole from
apache <https://guacamole.apache.org/>??  Seems an alternative to xrdp.

Now, if we could just make GUI a true client/server system where the
presentation work is done on the desktop side.

Howard

On 7/1/20 6:08 PM, Howard White wrote:

Many thanks for the rebound, Brian.

Really didn't notice which of the ?dm programs was there before I
started but I definitely see gdm there after the Gnome install.

And before anybody gets too concerned, I'm working on a copy of a
copy...  I may delete this copy and gen it again to retrace my steps
more carefully.  That yum erase kde-runtime went as apparently cleanly
as it did is a good start.  I need to spend more time on the system post
erase, pre groupinstall to take better stock of what is there.

Howard

On 7/1/20 5:06 PM, Brian H. Ward wrote:

Did removing KDE get rid of sddm but now gdm/gdm3 is not there to take
its place? Been a while since I've messed w/ RHEL/CentOS, but some
distros keep the xdm (login manager) out of the desktop metapackages
so they don't collide (if you want a machine capable or running either
KDE or GNOME).

Just my $0.02 (aka "guess")

--- bhw

On Wed, Jul 1, 2020 at 5:37 PM Jack Coats mailto:j...@coats.org>> wrote:

 Condolences from the retired cheap seats... If you must rebuild it
 sounds like multiple virtual machines or at least some kind of
 containers.  But I have been out of the fray so long, don't take
 anything I say at face value, ...

 Take care ol friends.

 On Wed, Jul 1, 2020 at 4:11 PM Howard White mailto:hwh...@vcch.com>> wrote:
  >
  > Dealing with servers (virtual guests) upon which KDE was
installed as
  > the GUI.  I'm going through an exercise to try to remove KDE and
 replace
  > it, reluctantly, with GNOME.
  >
  > yum erase kde-runtime seems to have done that deed nicely.
  >
  > First attempt yum groupinstall "GNOME Desktop" got all manner of
  > conflicts between libvirt-libs and the existing (old)
libvirt-client
  >
  > yum upgrade libvirt_client
  >
  > yum groupinstall "GNOME Desktop" got passed that
  >
  > Did I mention that I'm working remotely, trying to balance between
  > PuTTY, RDP and vshpere (oh yeah, it's ESXi 5.1)?
  >
  > I did get to the boot screen on the guest console to accept the
 license
  > and finish the configuration.  I am able to connect to "some
part of"
  > gnome via RDP but I don't have an "Activity" or "Applications"
 widget in
  > the top left corner.  Gnome Classic??  No obvious way to log out
 of that
  > session.
  >
  > Now on reboot, the console goes through the boot sequence,
 displays the
  > CentOS 7 GUI login splash but not the actual login process.  Am
 not able
  > to get to (what I know as session manager) select which Gnome
or 
  >
  > I am able to ssh into the system no problems.  I am also able to
 connect
  > via RDP but it's not useable.
  >
  > WhaddidIdo this time?
  >
  > Howard
  >
  > --
  > --
  > You received this message because you are subscribed to the
 Google Groups "NLUG" group.
  > To post to this group, send email to nlug-talk@googlegroups.com
 <mailto:nlug-talk@googlegroups.com>
  > To unsubscribe from this group,

replacing KDE; was Re: [nlug] oh, now I've really borked it...

[Howard White]

Follow up from the western front...

Tilghman's suggestion of getting  to work before removing KDE 
was good advice.  Gnome came out to the same broken end either way; an 
admittedly small sample size.  I have been able to replace KDE with XFCE 
- mostly.  The xrdp config is still messed up, which isn't saying much...


Just wondering, has anybody seen or done anything with guacamole from 
apache <https://guacamole.apache.org/>??  Seems an alternative to xrdp.


Now, if we could just make GUI a true client/server system where the 
presentation work is done on the desktop side.


Howard

On 7/1/20 6:08 PM, Howard White wrote:

Many thanks for the rebound, Brian.

Really didn't notice which of the ?dm programs was there before I 
started but I definitely see gdm there after the Gnome install.


And before anybody gets too concerned, I'm working on a copy of a 
copy...  I may delete this copy and gen it again to retrace my steps 
more carefully.  That yum erase kde-runtime went as apparently cleanly 
as it did is a good start.  I need to spend more time on the system post 
erase, pre groupinstall to take better stock of what is there.


Howard

On 7/1/20 5:06 PM, Brian H. Ward wrote:
Did removing KDE get rid of sddm but now gdm/gdm3 is not there to take 
its place? Been a while since I've messed w/ RHEL/CentOS, but some 
distros keep the xdm (login manager) out of the desktop metapackages 
so they don't collide (if you want a machine capable or running either 
KDE or GNOME).


Just my $0.02 (aka "guess")

--- bhw

On Wed, Jul 1, 2020 at 5:37 PM Jack Coats <mailto:j...@coats.org>> wrote:


    Condolences from the retired cheap seats... If you must rebuild it
    sounds like multiple virtual machines or at least some kind of
    containers.  But I have been out of the fray so long, don't take
    anything I say at face value, ...

    Take care ol friends.

    On Wed, Jul 1, 2020 at 4:11 PM Howard White mailto:hwh...@vcch.com>> wrote:
 >
 > Dealing with servers (virtual guests) upon which KDE was 
installed as

 > the GUI.  I'm going through an exercise to try to remove KDE and
    replace
 > it, reluctantly, with GNOME.
 >
 > yum erase kde-runtime seems to have done that deed nicely.
 >
 > First attempt yum groupinstall "GNOME Desktop" got all manner of
 > conflicts between libvirt-libs and the existing (old) 
libvirt-client

 >
 > yum upgrade libvirt_client
 >
 > yum groupinstall "GNOME Desktop" got passed that
 >
 > Did I mention that I'm working remotely, trying to balance between
 > PuTTY, RDP and vshpere (oh yeah, it's ESXi 5.1)?
 >
 > I did get to the boot screen on the guest console to accept the
    license
 > and finish the configuration.  I am able to connect to "some 
part of"

 > gnome via RDP but I don't have an "Activity" or "Applications"
    widget in
 > the top left corner.  Gnome Classic??  No obvious way to log out
    of that
 > session.
 >
 > Now on reboot, the console goes through the boot sequence,
    displays the
 > CentOS 7 GUI login splash but not the actual login process.  Am
    not able
 > to get to (what I know as session manager) select which Gnome 
or 

 >
 > I am able to ssh into the system no problems.  I am also able to
    connect
 > via RDP but it's not useable.
 >
 > WhaddidIdo this time?
 >
 > Howard
 >
 > --
 > --
 > You received this message because you are subscribed to the
    Google Groups "NLUG" group.
 > To post to this group, send email to nlug-talk@googlegroups.com
    <mailto:nlug-talk@googlegroups.com>
 > To unsubscribe from this group, send email to
    nlug-talk+unsubscr...@googlegroups.com
    <mailto:nlug-talk%2bunsubscr...@googlegroups.com>
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 >
 > ---
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 > To unsubscribe from this group and stop receiving emails from it,
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    --  ><> ... Jack

    If you are not paying for something, you are not a consumer, you are
    the product. - Chamath Palihapitiya

    "Tell me and I forget. Teach me and I remember. Involve me and I
    learn." - Ben Franklin

    --     --     You received this message because you are subscribed 
to the Google

    Groups "NL

Re: [nlug] oh, now I've really borked it...

[Howard White]

Many thanks for the rebound, Brian.

Really didn't notice which of the ?dm programs was there before I 
started but I definitely see gdm there after the Gnome install.


And before anybody gets too concerned, I'm working on a copy of a 
copy...  I may delete this copy and gen it again to retrace my steps 
more carefully.  That yum erase kde-runtime went as apparently cleanly 
as it did is a good start.  I need to spend more time on the system post 
erase, pre groupinstall to take better stock of what is there.


Howard

On 7/1/20 5:06 PM, Brian H. Ward wrote:
Did removing KDE get rid of sddm but now gdm/gdm3 is not there to take 
its place? Been a while since I've messed w/ RHEL/CentOS, but some 
distros keep the xdm (login manager) out of the desktop metapackages so 
they don't collide (if you want a machine capable or running either KDE 
or GNOME).


Just my $0.02 (aka "guess")

--- bhw

On Wed, Jul 1, 2020 at 5:37 PM Jack Coats <mailto:j...@coats.org>> wrote:


Condolences from the retired cheap seats... If you must rebuild it
sounds like multiple virtual machines or at least some kind of
containers.  But I have been out of the fray so long, don't take
anything I say at face value, ...

Take care ol friends.

On Wed, Jul 1, 2020 at 4:11 PM Howard White mailto:hwh...@vcch.com>> wrote:
 >
 > Dealing with servers (virtual guests) upon which KDE was installed as
 > the GUI.  I'm going through an exercise to try to remove KDE and
replace
 > it, reluctantly, with GNOME.
 >
 > yum erase kde-runtime seems to have done that deed nicely.
 >
 > First attempt yum groupinstall "GNOME Desktop" got all manner of
 > conflicts between libvirt-libs and the existing (old) libvirt-client
 >
 > yum upgrade libvirt_client
 >
 > yum groupinstall "GNOME Desktop" got passed that
 >
 > Did I mention that I'm working remotely, trying to balance between
 > PuTTY, RDP and vshpere (oh yeah, it's ESXi 5.1)?
 >
 > I did get to the boot screen on the guest console to accept the
license
 > and finish the configuration.  I am able to connect to "some part of"
 > gnome via RDP but I don't have an "Activity" or "Applications"
widget in
 > the top left corner.  Gnome Classic??  No obvious way to log out
of that
 > session.
 >
 > Now on reboot, the console goes through the boot sequence,
displays the
 > CentOS 7 GUI login splash but not the actual login process.  Am
not able
 > to get to (what I know as session manager) select which Gnome or 
 >
 > I am able to ssh into the system no problems.  I am also able to
connect
 > via RDP but it's not useable.
 >
 > WhaddidIdo this time?
 >
 > Howard
 >
 > --
 > --
 > You received this message because you are subscribed to the
Google Groups "NLUG" group.
 > To post to this group, send email to nlug-talk@googlegroups.com
<mailto:nlug-talk@googlegroups.com>
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nlug-talk+unsubscr...@googlegroups.com
<mailto:nlug-talk%2bunsubscr...@googlegroups.com>
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http://groups.google.com/group/nlug-talk?hl=en
 >
 > ---
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-- 
 ><> ... Jack


If you are not paying for something, you are not a consumer, you are
the product. - Chamath Palihapitiya

"Tell me and I forget. Teach me and I remember. Involve me and I
learn." - Ben Franklin

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[nlug] oh, now I've really borked it...

[Howard White]

Dealing with servers (virtual guests) upon which KDE was installed as 
the GUI.  I'm going through an exercise to try to remove KDE and replace 
it, reluctantly, with GNOME.


yum erase kde-runtime seems to have done that deed nicely.

First attempt yum groupinstall "GNOME Desktop" got all manner of 
conflicts between libvirt-libs and the existing (old) libvirt-client


yum upgrade libvirt_client

yum groupinstall "GNOME Desktop" got passed that

Did I mention that I'm working remotely, trying to balance between 
PuTTY, RDP and vshpere (oh yeah, it's ESXi 5.1)?


I did get to the boot screen on the guest console to accept the license 
and finish the configuration.  I am able to connect to "some part of" 
gnome via RDP but I don't have an "Activity" or "Applications" widget in 
the top left corner.  Gnome Classic??  No obvious way to log out of that 
session.


Now on reboot, the console goes through the boot sequence, displays the 
CentOS 7 GUI login splash but not the actual login process.  Am not able 
to get to (what I know as session manager) select which Gnome or 


I am able to ssh into the system no problems.  I am also able to connect 
via RDP but it's not useable.


WhaddidIdo this time?

Howard

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Good news and bad news; was Re: [nlug] nightmare on ssh street

[Howard White]

Many thanks for the replies.  My solution was to walk away from it for a 
while.


The good news is that the connection is working again.

The bad news is that I have no idea as to why it quit working - today.

To answer Kent's great question about functionality - the nagios check 
runs by the nagios server logging into the remote server with a 
pre-defined key, runs the check and then exits.  One tests that the 
process is working by replicating that login sequence at the command 
line.  The ssh part of the connection is the same either way.


The other answer to Kent's question is that I walked away long enough 
that I didn't have to try to run tcpdump to trace the connection...


Our environments are too simple and too small to be vmotioned. 
Monitoring a production server that, by all appearances, churned away 
merrily whilst I was trying to monitor.


Like I tell the hardware vendors - diagnostics are great until they aren't.

Howard

On 5/12/20 4:17 PM, Kent Perrier wrote:

- ssh from nagios server to all other monitored remote servers = working
- tried ssh login from command line of nagios server = timeout, no
connect


How are these functionally different?

What does tcpdump show? Are the ssh packets from the nagios sever making 
it to the target CentOS VM? What about ping? Or telneting to the port of 
another running service on the VM?


Did the VM get vmontioned to a VM host that potentially doesn't have the 
proper network configuration?


On Tue, May 12, 2020 at 3:54 PM Howard White <mailto:hwh...@vcch.com>> wrote:


Madness continues.

Working in a CentOS environment; connecting to servers.  The connection
pair in question has been working for over a year without issues -
specifically querying various Nagios checks over ssh (works great, more
secure than NRPE).  Today, remote server (hosted on VMWare), Nagios
checks of VMWare host (not ssh) work fine, guest checks do not.

Troubleshooting:

- ssh from nagios server to all other monitored remote servers = working
- tried ssh login from command line of nagios server = timeout, no
connect
- tried ssh login from other CentOS systems to remote server = works
- checked firewall on remote server = not active
- tried restarting sshd on remote server = no change
- nagios server got restarted 8 days ago and ssh worked until remote
server boot this morning
- /var/log/secure gives no activity during attempted ssh connection
from
nagios server; /var/log/secure shows activity when ssh connected from
alternate system
- the alternate servers are probably further behind on openssl updates
than the nagios server
- oh yeah, tried ssh connect calling DNS names and IP addresses = no
difference
- ssh from nagios server to remote VMWare host = working

WhaddIdo???

Howard

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[nlug] nightmare on ssh street

[Howard White]

Madness continues.

Working in a CentOS environment; connecting to servers.  The connection 
pair in question has been working for over a year without issues - 
specifically querying various Nagios checks over ssh (works great, more 
secure than NRPE).  Today, remote server (hosted on VMWare), Nagios 
checks of VMWare host (not ssh) work fine, guest checks do not.


Troubleshooting:

- ssh from nagios server to all other monitored remote servers = working
- tried ssh login from command line of nagios server = timeout, no connect
- tried ssh login from other CentOS systems to remote server = works
- checked firewall on remote server = not active
- tried restarting sshd on remote server = no change
- nagios server got restarted 8 days ago and ssh worked until remote 
server boot this morning
- /var/log/secure gives no activity during attempted ssh connection from 
nagios server; /var/log/secure shows activity when ssh connected from 
alternate system
- the alternate servers are probably further behind on openssl updates 
than the nagios server
- oh yeah, tried ssh connect calling DNS names and IP addresses = no 
difference

- ssh from nagios server to remote VMWare host = working

WhaddIdo???

Howard

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Re: [nlug] fstab, I am missing something obvious

[Howard White]

Oh SHovel Handles!!!

That worked.

Howard

On 3/29/20 10:27 AM, John R. Dennison wrote:

On Sun, Mar 29, 2020 at 09:00:19AM -0500, Howard White wrote:


But can I add the essential elements to /etc/fstab
UUID=c1056823-6a68-4bfd-92ba-c6e2f6e7cf37   /raid   ext4default 
0   0


'default' should be 'defaults' I believe.



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Re: [nlug] fstab, I am missing something obvious

[Howard White]

Thanks Tilghman,

/dev/sdb1: UUID="c1056823-6a68-4bfd-92ba-c6e2f6e7cf37" TYPE="ext4" 
PARTLABEL="primary" PARTUUID="041a49c6-649a-4b7f-a9e8-bbea4558844d"


Howard

On 3/29/20 9:51 AM, Tilghman Lesher wrote:

What's the output of:

% sudo blkid

On Sun, Mar 29, 2020 at 9:00 AM Howard White  wrote:


Grr.

HP DL360 G5 with P400i RAID controller.  One 72gb drive with Ubuntu
18.04 server, five 600GB drives configured RAID 5 for a 2.2TB virtual drive

Ubuntu runs just fine, been running Folding at Home on it for a few days
but built the OS weeks ago.  Haven't added /dev/sdb1 to the system, yet,
'cause I really didn't have a plan.  Plan has just arrived...

First lesson - fdisk don't work beyond 2TB.  Have used parted:
 parted /dev/sdb
 mklabel gpt
 mkpart primary 0 0
 print
 q

Create file system  mkfs.ext4 /dev/sdb1
Create mount point  mkdir -pv /raid

All that is tickety-boo.

I am able to mount the file system command line:
 mount -t ext4 /dev/sdb1 /raid

But can I add the essential elements to /etc/fstab
 UUID=c1056823-6a68-4bfd-92ba-c6e2f6e7cf37   /raid   ext4
default 0   0

and just
 mount /raid
??

N


I'm missing something obvious

Howard

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[nlug] fstab, I am missing something obvious

[Howard White]

Grr.

HP DL360 G5 with P400i RAID controller.  One 72gb drive with Ubuntu 
18.04 server, five 600GB drives configured RAID 5 for a 2.2TB virtual drive.


Ubuntu runs just fine, been running Folding at Home on it for a few days 
but built the OS weeks ago.  Haven't added /dev/sdb1 to the system, yet, 
'cause I really didn't have a plan.  Plan has just arrived...


First lesson - fdisk don't work beyond 2TB.  Have used parted:
parted /dev/sdb
mklabel gpt
mkpart primary 0 0
print
q

Create file system  mkfs.ext4 /dev/sdb1
Create mount point  mkdir -pv /raid

All that is tickety-boo.

I am able to mount the file system command line:
mount -t ext4 /dev/sdb1 /raid

But can I add the essential elements to /etc/fstab
UUID=c1056823-6a68-4bfd-92ba-c6e2f6e7cf37   /raid   ext4default 
0   0

and just
mount /raid
??

N


I'm missing something obvious

Howard

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[nlug] [OffTopic] Finding the IP address of a SMB share

[Howard White]

Guys,

If I am on a local network where there is a SMB server with a share, I 
may browse that local network and find the connection.  Of course this 
is a Windows environment of which I speak and I need an IP address 
because I'm connecting through a VPN tool that doesn't share the network 
details through the tunnel.


I do not expect to find said IP through the tunnel.  Well, thinking 
about it, maybe I could by connecting to the local linux server and 
trying to run nmap - if that linux server has nmap installed...


I am going on site and yes, I shall have linux systems by which to parse 
the network.


So when Windows offers a share to mount, they play their own little set 
of naming games - such is the nature of native SMB.  Just thought I'd 
ping the list and see if anyone else had that kind of opportunity and 
maybe some thoughts.


Howard

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Re: [nlug] (Howard's 1st rule): Desktop Hardware (not laptop) sources

[Howard White]

Well, Michael, you coulda asked me first...   :D

Memory != power.  Processor = power.  Memory allows the processor(s) to 
do more work.


Lemme go kicking about and see what I find.

Howard

On 2/29/20 12:42 PM, Michael L wrote:
Long story short:  need powerful desktop system to run Linux on; where 
to buy?
My idea of powerful was more than 8GB RAM, that's probably more than 
12GB RAM now.


less short:
Howard's 1st rule:  if it doesn't break in a year, you paid too much 
(buy used?)


I'm happy to say that we've had not a single issue with Linux for our 77 
year old computer hater; didn't even need an introduction to go from 
Win7 to Kubuntu and thankfully avoided Win10-
So now I need a desktop system to get my other more (computer) 
knowledgeable co-worker going on Linux.








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Retail computer stuff; was Re: [nlug] Linux Merchandise

[Howard White]

[try this again to the list and not just Adam]

To the question of "is there a store from which I may buy any computer 
stuff?"  Linux is not the question...


Once upon a time, I was in a situation where I needed linux install 
disks and did NOT have adequate internet access.  I was able to go to 
CompUSA (remember them??) and buy a box set of SUSE install disks. 
Probably the last time I've seen such a thing.


Truth is those that would sell any computer stuff in a retail situation 
might as well be fish mongers because the products (hardware, software 
and unfrozen fish) have the same shelf lives.


Recently, my son and I got new desktop systems that I ordered from an 
e-commerce site from which I have purchased before.  I went to their web 
configurator and picked out the components I wanted in the systems and 
placed the order.  Very shortly I get an email listing the pieces parts 
that were no longer available and would I accept substitutions.  Bait 
and switch?  Not really; the final tab ended up $150 cheaper.  Did the 
vendor keep their web site up to date.  Probably not.  Can you imagine a 
retail store with their lead times and warehousing protocols?


So "is there a store in the Middle Tennessee area that carries items 
which are compatible with Linux OS?"  Any of the hardware components you 
might purchase at [ Best Buy | Walmart | small independent shops ] 
should be fine.  Stores aren't going to stock and sell software - even 
Windows software - because of the internet.


Do you need assistance in selecting the "correct" linux out of the 
gazillion different distributions and desktop managers?  Aha!  That is 
what NLUG and this email list is for and about   :D


Howard

On 2/25/20 9:45 PM, Adam Hudson wrote:
Hey man. I don't know what you're needing exactly, but if you just want 
a machine to run Linux, I have a spare laptop I'd be happy to just 
donate if you want to come to the next nlug meeting.


The beauty of Linux for me is just how efficient it is. It runs on 
practically anything. And if you want any kind of introduction on how to 
run an install or create bootable media, feel free to come down and I'll 
be happy to show you what knowledge I've gained from the crew. And I'm 
sure I'm not alone in that sentiment.


Take em to the bridge,
Adam H

On Tue, Feb 25, 2020, 8:57 PM Michael L > wrote:


Hello Daniel Bender,
I hope you're getting to use Linux.  Here is a low cost credit card
sized computer that runs on Linux:
--->>
https://www.raspberrypi.org/blog/raspberry-pi-4-on-sale-now-from-35/

I've found very useful info from magazines and bookazines at
Booksamillion, some of which can be found at these links,
https://shop.linuxnewmedia.com/us/
https://bdmpublications.com/category/linux/

Enjoy


On Tue, Jan 22, 2019 at 11:58 PM Michael L
mailto:helpwithmath...@gmail.com>> wrote:

(2 (of many) options)
(Also- I'm still a beginner myself)
Here is a possible start,

Download KNOPPIX 8.2.0

https://linux.softpedia.com/get/System/Operating-Systems/Linux-Distributions/KNOPPIX-Live-DVD-2621.shtml


Here's a guide on making it bootable from USB-
The Lazy Guide to Installing Knoppix on a USB Key | Symantec
Connect Community

https://www.symantec.com/connect/blogs/lazy-guide-installing-knoppix-usb-key


If you run across a laptop (or PC) that you can boot up from
this "live"/bootable USB then you've just run across a system
compatible with Linux (maybe try it on your own computer)


Here is another option (Lubuntu)
Put Lubuntu on a Flash Drive using Windows | USB Pen Drive Linux

https://www.pendrivelinux.com/put-lubuntu-on-a-flash-drive-using-windows/




On Jan 22, 2019 11:45, "Daniel Bender" mailto:danwaben...@gmail.com>> wrote:

Hey, guys, is there any store in the middle Tennessee area
that carries items which are compatible with the Linux OS?

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[nlug] Is open source the shortest path to autonomous driving

[Howard White]

Interesting ReasonTV piece:



Howard

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Re: [nlug] Remmina on Kubuntu- need to remote connect to (Win10) DB PC

[Howard White]

Quick feedback as to what was discovered with Michael this morning 
regarding RDP and Remmina.  We took a three step approach to the situation:


Make Windows to Windows work
Make linux Remmina to Windows work
Add a VPN link

The instructions from M$ on how to address the Windows RDP target are a 
bit confusing.  They try to introduce some crazy naming stuff into the 
equation.  Just connect to the IP address and enter the user name as it 
is on the local login screen.  At least today, domain didn't matter; we 
left it blank.


The other less than intuitive item was "quick connect" in Remmina; as in 
it doesn't work.  Bug reports exist and so on.  Get to the proper 
configuration screen and set up a named connection and it works.


I was caught a bit flat-footed by the fact that Remmina has had upgrades 
since Ubuntu 16.04.  That took some time to navigate.


Hope that expands our knowledge base.

Howard

On 1/16/20 9:03 PM, Adam Hudson wrote:
I've used Remmina to connect from my Debian based machines to my Windows 
machines at home.  However, the Win10 machines I have are Windows 10 
Pro, and I do not believe you can use RDP to connect to a machine 
running Windows 10 Home.  If you are able to go into the Windows 10 pro 
machine and get into the Control Panel, then allow remote access from 
within and disable NLA, you should then be able to remote into the 
Windows 10 pro machine using its IP address if they are both on the same 
LAN.  Note: you will need to use a user account that has remote access.  
You can set this up in Computer Management, select Users & Groups, then Qu

add the account you want to use in the "Remote Desktop Users" group.

I hope that helps.  If it's the case that I misunderstood your question, 
or if I've got the right direction but need to clarify something, feel 
free to let me know and I'll be happy to help if I can.


Thanks,
Adam H.


On Thu, Jan 16, 2020, 2:09 PM Michael L > wrote:


I better go ahead and ask if anyone has used Remmina or FreeRDP or
other program to remote connect from Linux / Ubuntu (in this case
Kubuntu) to a Win10pc.

I'm testing trying to get this to work from my Ubuntu laptop (on
location via LAN) first before going to remote site.

OR- can / should I virtualize said Win10pc to run it on Linux and
remote connect Linux to Linux?

I'd pay for someone to do it if you can.  It would keep me from
having to set up Windows machine, which is the last thing I want to do.
Thanks

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[nlug] Network grief

[Howard White]

Is it just us in Brentwood or is Com[ cast | crap ] having more problems 
than usual today?  Network is "up" but throughput stinks.


Howard

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[nlug] CentOS CUPS issue

[Howard White]

My Google foo does not register one bar on the meter...

So I may be the only sysadmin on the planet that looks at lpstat -o.  We 
have customers that print, a lot.  I am seeing vestigial print jobs 
listed in lpstat -o such that if one tries to cancel , the 
message "cancel-job failed:  Job # does not exist!"  They just 
had to put the exclamation point on the end there to thumb the systems 
nose at the operator; "You ninny!"  If I subsequently type cancel -a, 
they all go away and the list is empty.


I have started running the Nagios test check_cups_queue which relies on 
the same command information and is similarly distracted by the 
vestigial print jobs.


I have seen this behavior on CentOS 6 and 7.  Anybody got any leads on 
how I might find a bug listing?  Hell, I haven't been able to find how 
to check for what version of CUPS is installed.


So Happy It's Thursday...

Howard

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[SOLVED] Re: [nlug] Awwww Man!

[Howard White]

  (since I'm too lazy to turn on html)

Tilghman comes through again!  _Manufacturer "RAW"_  I have always used 
"Generic."  No more!


Still gonna keep Ubuntu 16.04 on some systems...

Howard

On 10/8/19 10:13 AM, Tilghman Lesher wrote:

I'm running Kubuntu 18.04.3, and I had no trouble adding a raw queue
with CUPS.  Installed package version is 2.2.7-1ubuntu2.7, which
apt-cache shows is the latest.

Manufacturer is "Raw", and the only available model is "Raw queue".

We use it for our label printers, since we're sending ZPL directly to
the printers, and we don't want CUPS to try to reinterpret the
commands.  We also send raw Postscript to our laser printers.

On Mon, Oct 7, 2019 at 1:46 PM Howard White  wrote:


Today's gripe is that Ubuntu 18.04 / CUPS (and others I am quite sure) [
has | have ] dropped support for a Generid Printer, Raw Queue.  This
means that the dot matrix printer (remember them?) that I use to print
two part checks does not play nice in Ubuntu 18.04.  Still does in 16.04.

I'm looking at a GitHub entry dated March 19, 2018 where said removal is
discussed in the Apple/CUPS dominion.  "Almost every printer
manufactured since 2010 supports IPP/2.0 with standard file formats.

Progress is not always kind.

Howard

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Re: [nlug] Awwww Man!

[Howard White]

Paul,

Thanks.  My problem is not hardware.  I _can_ configure an Epson 9 pin 
driver that does "print" - just not the way I need it to.  And yes, I've 
made something of a hobby of collecting JetDirect boxes over the years 
(even have some Intel branded ones that I never have made work).  The 
problem is squarely CUPS having dropped support and their excuse is 
completely lame.


So this GitHub posting discussing this change basically says "piss off, 
peon; write your own utility to direct raw output to your printer."  And 
that is where I sit - while using Ubuntu 16.04 to print my checks.


But hey, I still have several old computers with Ubuntu 8.04 in support 
of a line of business software (the server of which croaked hence the 
need to replace).  Gonna be hauling a metric butt load of 32bit 
computers to recycling very soon.  And no, Dru, they ain't worth the 
electricity to run.


Howard

On 10/7/19 6:00 PM, Paul Boniol wrote:
I don't know that any of this helps, but I found someone makes a USB to 
25 pin serial cable. :O


I think Alex was talking about HP JetDirect {170X | 300X | 500X}.  Again 
I don't know if that helps any or not.


When I got into Linux, HP Ink Jets were the bees knees for home use, so 
I bypassed dot matrix in Linux.


Amazing how we can keep old tech working. :)

Paul

On Mon, Oct 7, 2019 at 4:00 PM Jack Coats <mailto:j...@coats.org>> wrote:


Alex,  No, you weren't trolling, like Howard really doesn't want
sympathy anyway (he wants the darn thing to work!)

Pre-Ubuntu configuring many devices did take more of the cauldron
and eye of newt method of getting it to work... basically
Ubuntu hid the cauldron and the smoke for most people.  Those of us
that have written device drivers UNDERSTAND what it
takes to keep these high-tech bubble-gum and bandaid things working
even if they do have a new coat of paint and some
bondo on them.

And that is NOT just the *NIX community with all its
permutations that hide the real work from users.  But without doing that
no-ones grandma would be using technology today. (Well mabe great
grandmother, I am now of the grandparent age -- ugh).


On Mon, Oct 7, 2019 at 2:38 PM Alex Smith (K4RNT)
mailto:shadowhun...@gmail.com>> wrote:

No!

All you gotta do is plug the printer into the JetDirect, and
share it over a network. Is the printer parallel or USB?

" 'With the first link, the chain is forged. The first speech
censured, the first thought forbidden, the first freedom denied,
chains us all irrevocably.' Those words were uttered by Judge
Aaron Satie as wisdom and warning... The first time any man's
freedom is trodden on, we’re all damaged." - Jean-Luc Picard,
quoting Judge Aaron Satie, Star Trek: TNG episode "The Drumhead"
- Alex Smith
- Kent, Washington (metropolitan Seattle area)


On Mon, Oct 7, 2019 at 12:37 PM Howard White mailto:hwh...@vcch.com>> wrote:

I have a supply, thank you.  :D

Just try and find a motherboard with a 25 pin parallel
port!  A PCIe
card?  I have not looked; don't wanna know...

Howard

On 10/7/19 2:35 PM, Alex Smith (K4RNT) wrote:
 > Buy a used JetDirect. Could that solve your problems?
 >
 > " 'With the first link, the chain is forged. The first
speech censured,
 > the first thought forbidden, the first freedom denied,
chains us all
 > irrevocably.' Those words were uttered by Judge Aaron
Satie as wisdom
 > and warning... The first time any man's freedom is
trodden on, we’re all
 > damaged." - Jean-Luc Picard, quoting Judge Aaron Satie,
Star Trek: TNG
 > episode "The Drumhead"
 > - Alex Smith
 > - Kent, Washington (metropolitan Seattle area)
 >
 >
 > On Mon, Oct 7, 2019 at 12:34 PM Howard White
mailto:hwh...@vcch.com>
 > <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>> wrote:
 >
 >     Not at all, Alex.  I get it.  You saw my struggle
with Arch (for
 >     which I
 >     have tremendous respect but zero luck).
 >
 >     This issue is CUPS which many distros use.  My RTFM
of lpadmin was
 >     short
 >     because the entire lpadmin/lp/lpr suite has been
overtaken by Apple.
 >
 >     Suggestions solicited for a program to send raw print
to a network
 >     enabled (can you say "JetDirect") dot-matr

Re: [nlug] Awwww Man!

[Howard White]

I have a supply, thank you.  :D

Just try and find a motherboard with a 25 pin parallel port!  A PCIe 
card?  I have not looked; don't wanna know...


Howard

On 10/7/19 2:35 PM, Alex Smith (K4RNT) wrote:

Buy a used JetDirect. Could that solve your problems?

" 'With the first link, the chain is forged. The first speech censured, 
the first thought forbidden, the first freedom denied, chains us all 
irrevocably.' Those words were uttered by Judge Aaron Satie as wisdom 
and warning... The first time any man's freedom is trodden on, we’re all 
damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star Trek: TNG 
episode "The Drumhead"

- Alex Smith
- Kent, Washington (metropolitan Seattle area)


On Mon, Oct 7, 2019 at 12:34 PM Howard White <mailto:hwh...@vcch.com>> wrote:


Not at all, Alex.  I get it.  You saw my struggle with Arch (for
which I
have tremendous respect but zero luck).

This issue is CUPS which many distros use.  My RTFM of lpadmin was
short
because the entire lpadmin/lp/lpr suite has been overtaken by Apple.

Suggestions solicited for a program to send raw print to a network
enabled (can you say "JetDirect") dot-matrix printer.  Something less
than dd, thank you.

Howard

On 10/7/19 2:24 PM, Alex Smith (K4RNT) wrote:
 > I hope I didn't come across as a troll, I was just venting when
anyone
 > tries to complain about Ubuntu when they were the ones screaming
about
 > how it's the only Linux they'll use, or anything else is not "easy"
 > enough. I have really good luck with openSUSE, Red
Hat/CentOS/Scientific
 > Linux/Oracle Linux as well as Solaris and OpenIndiana.
 >
 > Best regards...
 >
 > -Alex
 >
 > " 'With the first link, the chain is forged. The first speech
censured,
 > the first thought forbidden, the first freedom denied, chains us all
 > irrevocably.' Those words were uttered by Judge Aaron Satie as
wisdom
 > and warning... The first time any man's freedom is trodden on,
we’re all
 > damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star
Trek: TNG
 > episode "The Drumhead"
 > - Alex Smith
 > - Kent, Washington (metropolitan Seattle area)
 >
 >
 > On Mon, Oct 7, 2019 at 12:12 PM Howard White mailto:hwh...@vcch.com>
 > <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>> wrote:
 >
 >     Creating a print queue external to CUPS really was the point
of my
 >     gripe, Alex.  Ah how we have grown stale by using tools (or
trolls
 >     depending on how they do or do not work) such as CUPS or the ever
 >     popular NetworkManager.
 >
 >     Now off to RTFM the lpadmin man page.
 >
 >     Howard
 >
 >     On 10/7/19 2:02 PM, Alex Smith (K4RNT) wrote:
 >      > I remember when I had a dot matrix printer and using it
under Linux
 >      > (think Slackware in the end of the 90s), CUPS wasn't
around, and
 >     I just
 >      > created a raw lpr queue. The printer was an Epson 9-pin dot
 >     matrix printer.
 >      >
 >      > Is that no longer possible?
 >      >
 >      > " 'With the first link, the chain is forged. The first speech
 >     censured,
 >      > the first thought forbidden, the first freedom denied,
chains us all
 >      > irrevocably.' Those words were uttered by Judge Aaron Satie as
 >     wisdom
 >      > and warning... The first time any man's freedom is trodden on,
 >     we’re all
 >      > damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star
 >     Trek: TNG
 >      > episode "The Drumhead"
 >      > - Alex Smith
 >      > - Kent, Washington (metropolitan Seattle area)
 >      >
 >      >
 >      > On Mon, Oct 7, 2019 at 11:52 AM Howard White
mailto:hwh...@vcch.com>
 >     <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>
 >      > <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>
<mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>>> wrote:
 >      >
 >      >     With a Raw Queue, there is no ppd.
 >      >
 >      >     Howard
 >      >
 >      >     On 10/7/19 1:51 PM, Alex Smith (K4RNT) wrote:
 >      >      > Can't you just import the PPDs from 16.04?
 >      >      >
 >      >      >
 >      >      > " 'With the first link, the chain is forged. The
first speech
 >      >     censured,
 >      >      &

Re: [nlug] Awwww Man!

[Howard White]

Not at all, Alex.  I get it.  You saw my struggle with Arch (for which I 
have tremendous respect but zero luck).


This issue is CUPS which many distros use.  My RTFM of lpadmin was short 
because the entire lpadmin/lp/lpr suite has been overtaken by Apple.


Suggestions solicited for a program to send raw print to a network 
enabled (can you say "JetDirect") dot-matrix printer.  Something less 
than dd, thank you.


Howard

On 10/7/19 2:24 PM, Alex Smith (K4RNT) wrote:
I hope I didn't come across as a troll, I was just venting when anyone 
tries to complain about Ubuntu when they were the ones screaming about 
how it's the only Linux they'll use, or anything else is not "easy" 
enough. I have really good luck with openSUSE, Red Hat/CentOS/Scientific 
Linux/Oracle Linux as well as Solaris and OpenIndiana.


Best regards...

-Alex

" 'With the first link, the chain is forged. The first speech censured, 
the first thought forbidden, the first freedom denied, chains us all 
irrevocably.' Those words were uttered by Judge Aaron Satie as wisdom 
and warning... The first time any man's freedom is trodden on, we’re all 
damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star Trek: TNG 
episode "The Drumhead"

- Alex Smith
- Kent, Washington (metropolitan Seattle area)


On Mon, Oct 7, 2019 at 12:12 PM Howard White <mailto:hwh...@vcch.com>> wrote:


Creating a print queue external to CUPS really was the point of my
gripe, Alex.  Ah how we have grown stale by using tools (or trolls
depending on how they do or do not work) such as CUPS or the ever
popular NetworkManager.

Now off to RTFM the lpadmin man page.

Howard

On 10/7/19 2:02 PM, Alex Smith (K4RNT) wrote:
 > I remember when I had a dot matrix printer and using it under Linux
 > (think Slackware in the end of the 90s), CUPS wasn't around, and
I just
 > created a raw lpr queue. The printer was an Epson 9-pin dot
matrix printer.
 >
 > Is that no longer possible?
 >
 > " 'With the first link, the chain is forged. The first speech
censured,
 > the first thought forbidden, the first freedom denied, chains us all
 > irrevocably.' Those words were uttered by Judge Aaron Satie as
wisdom
 > and warning... The first time any man's freedom is trodden on,
we’re all
 > damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star
Trek: TNG
 > episode "The Drumhead"
 > - Alex Smith
 > - Kent, Washington (metropolitan Seattle area)
 >
 >
 > On Mon, Oct 7, 2019 at 11:52 AM Howard White mailto:hwh...@vcch.com>
 > <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>> wrote:
 >
 >     With a Raw Queue, there is no ppd.
 >
 >     Howard
 >
 >     On 10/7/19 1:51 PM, Alex Smith (K4RNT) wrote:
 >      > Can't you just import the PPDs from 16.04?
 >      >
 >      >
 >      > " 'With the first link, the chain is forged. The first speech
 >     censured,
 >      > the first thought forbidden, the first freedom denied,
chains us all
 >      > irrevocably.' Those words were uttered by Judge Aaron Satie as
 >     wisdom
 >      > and warning... The first time any man's freedom is trodden on,
 >     we’re all
 >      > damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star
 >     Trek: TNG
 >      > episode "The Drumhead"
 >      > - Alex Smith
 >      > - Kent, Washington (metropolitan Seattle area)
 >      >
 >      >
 >      > On Mon, Oct 7, 2019 at 11:50 AM Howard White
mailto:hwh...@vcch.com>
 >     <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>
 >      > <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>
<mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>>> wrote:
 >      >
 >      >     The source of the issue seems to be CUPS which is more
than
 >     just Ubuntu.
 >      >
 >      >     Howard
 >      >
 >      >     On 10/7/19 1:47 PM, Alex Smith (K4RNT) wrote:
 >      >      > Guess Ubuntu isn't the magic bullet people claim it
to be? :P
 >      >      >
 >      >      > That still sucks! Maybe other distros have that
support still?
 >      >      >
 >      >      >
 >      >      > " 'With the first link, the chain is forged. The
first speech
 >      >     censured,
 >      >      > the first thought forbidden, the first freedom denied,
 >     chains us all
 >      >      > irrevocably.' T

Re: [nlug] Awwww Man!

[Howard White]

Creating a print queue external to CUPS really was the point of my 
gripe, Alex.  Ah how we have grown stale by using tools (or trolls 
depending on how they do or do not work) such as CUPS or the ever 
popular NetworkManager.


Now off to RTFM the lpadmin man page.

Howard

On 10/7/19 2:02 PM, Alex Smith (K4RNT) wrote:
I remember when I had a dot matrix printer and using it under Linux 
(think Slackware in the end of the 90s), CUPS wasn't around, and I just 
created a raw lpr queue. The printer was an Epson 9-pin dot matrix printer.


Is that no longer possible?

" 'With the first link, the chain is forged. The first speech censured, 
the first thought forbidden, the first freedom denied, chains us all 
irrevocably.' Those words were uttered by Judge Aaron Satie as wisdom 
and warning... The first time any man's freedom is trodden on, we’re all 
damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star Trek: TNG 
episode "The Drumhead"

- Alex Smith
- Kent, Washington (metropolitan Seattle area)


On Mon, Oct 7, 2019 at 11:52 AM Howard White <mailto:hwh...@vcch.com>> wrote:


With a Raw Queue, there is no ppd.

Howard

On 10/7/19 1:51 PM, Alex Smith (K4RNT) wrote:
 > Can't you just import the PPDs from 16.04?
 >
 >
 > " 'With the first link, the chain is forged. The first speech
censured,
 > the first thought forbidden, the first freedom denied, chains us all
 > irrevocably.' Those words were uttered by Judge Aaron Satie as
wisdom
 > and warning... The first time any man's freedom is trodden on,
we’re all
 > damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star
Trek: TNG
 > episode "The Drumhead"
 > - Alex Smith
 > - Kent, Washington (metropolitan Seattle area)
 >
 >
 > On Mon, Oct 7, 2019 at 11:50 AM Howard White mailto:hwh...@vcch.com>
 > <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>> wrote:
 >
 >     The source of the issue seems to be CUPS which is more than
just Ubuntu.
 >
 >     Howard
 >
 >     On 10/7/19 1:47 PM, Alex Smith (K4RNT) wrote:
 >      > Guess Ubuntu isn't the magic bullet people claim it to be? :P
 >      >
 >      > That still sucks! Maybe other distros have that support still?
 >      >
 >      >
 >      > " 'With the first link, the chain is forged. The first speech
 >     censured,
 >      > the first thought forbidden, the first freedom denied,
chains us all
 >      > irrevocably.' Those words were uttered by Judge Aaron Satie as
 >     wisdom
 >      > and warning... The first time any man's freedom is trodden on,
 >     we’re all
 >      > damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star
 >     Trek: TNG
 >      > episode "The Drumhead"
 >      > - Alex Smith
 >      > - Kent, Washington (metropolitan Seattle area)
 >      >
 >      >
 >      > On Mon, Oct 7, 2019 at 11:46 AM Howard White
mailto:hwh...@vcch.com>
 >     <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>
 >      > <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>
<mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>>> wrote:
 >      >
 >      >     Today's gripe is that Ubuntu 18.04 / CUPS (and others
I am quite
 >      >     sure) [
 >      >     has | have ] dropped support for a Generid Printer, Raw
 >     Queue.  This
 >      >     means that the dot matrix printer (remember them?)
that I use
 >     to print
 >      >     two part checks does not play nice in Ubuntu 18.04.  Still
 >     does in
 >      >     16.04.
 >      >
 >      >     I'm looking at a GitHub entry dated March 19, 2018
where said
 >      >     removal is
 >      >     discussed in the Apple/CUPS dominion.  "Almost every
printer
 >      >     manufactured since 2010 supports IPP/2.0 with standard
file
 >     formats.
 >      >
 >      >     Progress is not always kind.
 >      >
 >      >     Howard
 >      >
 >      >     --
 >      >     --
 >      >     You received this message because you are subscribed
to the
 >     Google
 >      >     Groups "NLUG" group.
 >      >     To post to this group, send email to
 > nlug-talk@googlegroups.com <mailto:nlug-talk@googlegroups.com>
<mailto:nlug-talk@googlegroups.com <mailto:nlug-talk@googlegroups.com>>
 >      >    

Re: [nlug] Awwww Man!

[Howard White]

With a Raw Queue, there is no ppd.

Howard

On 10/7/19 1:51 PM, Alex Smith (K4RNT) wrote:

Can't you just import the PPDs from 16.04?


" 'With the first link, the chain is forged. The first speech censured, 
the first thought forbidden, the first freedom denied, chains us all 
irrevocably.' Those words were uttered by Judge Aaron Satie as wisdom 
and warning... The first time any man's freedom is trodden on, we’re all 
damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star Trek: TNG 
episode "The Drumhead"

- Alex Smith
- Kent, Washington (metropolitan Seattle area)


On Mon, Oct 7, 2019 at 11:50 AM Howard White <mailto:hwh...@vcch.com>> wrote:


The source of the issue seems to be CUPS which is more than just Ubuntu.

Howard

On 10/7/19 1:47 PM, Alex Smith (K4RNT) wrote:
 > Guess Ubuntu isn't the magic bullet people claim it to be? :P
 >
 > That still sucks! Maybe other distros have that support still?
 >
 >
 > " 'With the first link, the chain is forged. The first speech
censured,
 > the first thought forbidden, the first freedom denied, chains us all
 > irrevocably.' Those words were uttered by Judge Aaron Satie as
wisdom
 > and warning... The first time any man's freedom is trodden on,
we’re all
 > damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star
Trek: TNG
 > episode "The Drumhead"
 > - Alex Smith
 > - Kent, Washington (metropolitan Seattle area)
 >
 >
 > On Mon, Oct 7, 2019 at 11:46 AM Howard White mailto:hwh...@vcch.com>
 > <mailto:hwh...@vcch.com <mailto:hwh...@vcch.com>>> wrote:
 >
 >     Today's gripe is that Ubuntu 18.04 / CUPS (and others I am quite
 >     sure) [
 >     has | have ] dropped support for a Generid Printer, Raw
Queue.  This
 >     means that the dot matrix printer (remember them?) that I use
to print
 >     two part checks does not play nice in Ubuntu 18.04.  Still
does in
 >     16.04.
 >
 >     I'm looking at a GitHub entry dated March 19, 2018 where said
 >     removal is
 >     discussed in the Apple/CUPS dominion.  "Almost every printer
 >     manufactured since 2010 supports IPP/2.0 with standard file
formats.
 >
 >     Progress is not always kind.
 >
 >     Howard
 >
 >     --
 >     --
 >     You received this message because you are subscribed to the
Google
 >     Groups "NLUG" group.
 >     To post to this group, send email to
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<mailto:nlug-talk@googlegroups.com>>
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 >
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<mailto:nlug-talk%2bunsubscr...@googlegroups.com>>.
 

Re: [nlug] Awwww Man!

[Howard White]

The source of the issue seems to be CUPS which is more than just Ubuntu.

Howard

On 10/7/19 1:47 PM, Alex Smith (K4RNT) wrote:

Guess Ubuntu isn't the magic bullet people claim it to be? :P

That still sucks! Maybe other distros have that support still?


" 'With the first link, the chain is forged. The first speech censured, 
the first thought forbidden, the first freedom denied, chains us all 
irrevocably.' Those words were uttered by Judge Aaron Satie as wisdom 
and warning... The first time any man's freedom is trodden on, we’re all 
damaged." - Jean-Luc Picard, quoting Judge Aaron Satie, Star Trek: TNG 
episode "The Drumhead"

- Alex Smith
- Kent, Washington (metropolitan Seattle area)


On Mon, Oct 7, 2019 at 11:46 AM Howard White <mailto:hwh...@vcch.com>> wrote:


Today's gripe is that Ubuntu 18.04 / CUPS (and others I am quite
sure) [
has | have ] dropped support for a Generid Printer, Raw Queue.  This
means that the dot matrix printer (remember them?) that I use to print
two part checks does not play nice in Ubuntu 18.04.  Still does in
16.04.

I'm looking at a GitHub entry dated March 19, 2018 where said
removal is
discussed in the Apple/CUPS dominion.  "Almost every printer
manufactured since 2010 supports IPP/2.0 with standard file formats.

Progress is not always kind.

Howard

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[nlug] Awwww Man!

[Howard White]

Today's gripe is that Ubuntu 18.04 / CUPS (and others I am quite sure) [ 
has | have ] dropped support for a Generid Printer, Raw Queue.  This 
means that the dot matrix printer (remember them?) that I use to print 
two part checks does not play nice in Ubuntu 18.04.  Still does in 16.04.


I'm looking at a GitHub entry dated March 19, 2018 where said removal is 
discussed in the Apple/CUPS dominion.  "Almost every printer 
manufactured since 2010 supports IPP/2.0 with standard file formats.


Progress is not always kind.

Howard

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Re: [nlug] Sigh. Arch linux is kicking me...

[Howard White]

Greg,

Mine also.  Your logic is great.  The logic of some developers, like 
those at hass - not so much.  They seem to think everybody loves jails 
and Docker and VM.  Ugh.


Howard

On 10/5/19 3:58 PM, Greg Donald wrote:

My Debian and RPi each have two pythons with different names:

$ which python
/usr/bin/python

$ which python3
/usr/bin/python3

Is it just a matter of updating some shebangs to point to the
appropriate python?


On Sat, Oct 5, 2019 at 2:47 PM Howard White  wrote:


So the joke is on me.  I've been whacking on the open source home
automation systems openhab and home assistant (hass) for a while now.

"Just install our Raspberry Pi packages and it just works."  Um, no it
does not.  Me thinks my Pi is less than stable.

Down the openhab rabbit hole.  Cannot get the correct config juju for
the USB Z-Wave dongle.  It's just laughing at me...  Did figure out
JAVA_HOME.

Back to home assistant.  Everything says install the Docker version but
no one says why.  Well, the why is because home assistant is written to
Python 3.x (preferably 3.7) _but_ the major distros all still have
critical stuff that only runs with Python 2.x.  C'mmon Man!

So being the stubborn cuss that I am, is there a distro that uses Python
3.x by default?  You guessed it - Arch linux.  The Arch install process
is, um, involved.  Got it installed and running.  But wait, you want
your Realtek RTL8111 network interface?  Bwahahahahaha.

~!@#$%^&*

Howard

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[nlug] Sigh. Arch linux is kicking me...

[Howard White]

So the joke is on me.  I've been whacking on the open source home 
automation systems openhab and home assistant (hass) for a while now.


"Just install our Raspberry Pi packages and it just works."  Um, no it 
does not.  Me thinks my Pi is less than stable.


Down the openhab rabbit hole.  Cannot get the correct config juju for 
the USB Z-Wave dongle.  It's just laughing at me...  Did figure out 
JAVA_HOME.


Back to home assistant.  Everything says install the Docker version but 
no one says why.  Well, the why is because home assistant is written to 
Python 3.x (preferably 3.7) _but_ the major distros all still have 
critical stuff that only runs with Python 2.x.  C'mmon Man!


So being the stubborn cuss that I am, is there a distro that uses Python 
3.x by default?  You guessed it - Arch linux.  The Arch install process 
is, um, involved.  Got it installed and running.  But wait, you want 
your Realtek RTL8111 network interface?  Bwahahahahaha.


~!@#$%^&*

Howard

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[nlug] another entry into the "rut roh" file...

[Howard White]

Be advised:



Howard

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[nlug] It is not safe to swim in the internet pool...

[Howard White]

Good grief:



Howard

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Re: [nlug] Meeting Tonight

[Howard White]

Tonight is not August 13 for anyone who did not notice...

Howard

On 8/6/19 1:04 PM, Vincent Brown wrote:
Sorry for last-minute announcement on this. John O'Malley will present 
on tools for working with Linux in Active Directory. I for one am 
excited about this topic.
If you can make it, don't forget to register on Meetup so Vaco knows how 
much food to buy!

https://www.meetup.com/Nashville-Linux-Users-Group/events/ntbfbqyzlbrb/

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Re: [nlug] Re: No keyboard found. Press F1 to continue

[Howard White]

So would you believe...  Based on a few Google finds, there are issues 
with Lenovo laptops and Windows 10 VM guests.  The simple fix I tried 
first did not solve the problem.  The ugly fix is enable RDP and connect 
that way.  Haven't tried that one yet.


Howard

On 7/22/19 12:13 PM, Howard White wrote:
Thank you, Clayton, for those ideas.  No, I did not include a screen 
shot as it doesn't really say anything other than the keyboard isn't happy.


VMWare tools is an issue that I am attempting to resolve now.  They did 
not install at conversion.


Howard

On 7/22/19 11:15 AM, Clayton Davis wrote:
I didn't receive the screenshot, but I suspect there is a specific 
VMware driver for the keyboard that is not being loaded.  Did it 
install VMware Tools as part of the conversion?


I vaguely remember this being an issue at one point, if I had multiple 
keyboard profiles installed on the host:
https://geek-university.com/vmware-player/enhanced-virtual-keyboard-feature/ 



On Mon, Jul 22, 2019 at 11:06 AM Howard White <mailto:hwh...@vcch.com>> wrote:


    Thanks for the rebound, Clayton.  The screen shot I should capture is
    from Device Manager that shows the PS/2 Keyboard with a yellow 
triangle

    and an exclamation point.  I am aware of the capture key sequence and
    probably need to try that again just to make sure.

    Detail I may have missed at the start of this tale - the Windows 10
    instance is a physical to virtual conversion by way of VMWare 
Converter

    (just downloaded from VMWare).  Converter ran on the local machine
    to an
    attached USB drive for transfer.  I suspect there is a "hold your
    tongue
    right" aspect to the P2V of which I am unaware.

    Howard

    On 7/22/19 10:49 AM, Clayton Davis wrote:
 > Are you sure that VMware has "captured" the keyboard? Usually this
 > happens when the mouse is active within the VM, but there might
    be a key
 > combo or button that tells VMware to accept input from the 
keyboard.

 > Can you post a screenshot?
 >
 > On Sunday, July 21, 2019 at 8:04:56 PM UTC-5, Howard wrote:
 >
 >     Remember getting this head-scratcher of a Windows (or is it
    BIOS?)
 >     error
 >     message?  I have a similar situation.
 >
 >     My "project" has been to get a laptop with Ubuntu as the 
primary

 >     operating system with Windows 10 running under VMWare
    Player.  I've
 >     goofed around with this for quite a while (many calendar
    days, not many
 >     hours of effort) to the point that I now have this very
    combination up
 >     and running.
 >
 >     Kind of.
 >
 >     Windows 10 doesn't recognize the laptop keyboard.  I have not
    yet tried
 >     plugging in an external USB keyboard for a look see.  I did
    try going
 >     into Device Manager (I can get there by glide pad only) and
    deleted the
 >     reference to PS/2 Keyboard.  First observation - pointing and
    clicking
 >     device works fine, no keyboard.  Second observation -
    PS/2???  Anyway,
 >     one of the "happy talk" how-to's said "delete the keyboard
    and reboot."
 >     PS/2 came back, no type.
 >
 >     Any number of other "happy talk how-to's" said that you could
    press
 >     whatever key combination to solve the problem.  Really?  Key
    presses
 >     not
 >     received by Windows 10.
 >
 >     Not even F1.
 >
 >     Howard
 >
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 > --
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Re: [nlug] Re: No keyboard found. Press F1 to continue

[Howard White]

Thank you, Clayton, for those ideas.  No, I did not include a screen 
shot as it doesn't really say anything other than the keyboard isn't happy.


VMWare tools is an issue that I am attempting to resolve now.  They did 
not install at conversion.


Howard

On 7/22/19 11:15 AM, Clayton Davis wrote:
I didn't receive the screenshot, but I suspect there is a specific 
VMware driver for the keyboard that is not being loaded.  Did it install 
VMware Tools as part of the conversion?


I vaguely remember this being an issue at one point, if I had multiple 
keyboard profiles installed on the host:

https://geek-university.com/vmware-player/enhanced-virtual-keyboard-feature/

On Mon, Jul 22, 2019 at 11:06 AM Howard White <mailto:hwh...@vcch.com>> wrote:


Thanks for the rebound, Clayton.  The screen shot I should capture is
from Device Manager that shows the PS/2 Keyboard with a yellow triangle
and an exclamation point.  I am aware of the capture key sequence and
probably need to try that again just to make sure.

Detail I may have missed at the start of this tale - the Windows 10
instance is a physical to virtual conversion by way of VMWare Converter
(just downloaded from VMWare).  Converter ran on the local machine
to an
attached USB drive for transfer.  I suspect there is a "hold your
tongue
right" aspect to the P2V of which I am unaware.

Howard

On 7/22/19 10:49 AM, Clayton Davis wrote:
 > Are you sure that VMware has "captured" the keyboard? Usually this
 > happens when the mouse is active within the VM, but there might
be a key
 > combo or button that tells VMware to accept input from the keyboard.
 > Can you post a screenshot?
 >
 > On Sunday, July 21, 2019 at 8:04:56 PM UTC-5, Howard wrote:
 >
 >     Remember getting this head-scratcher of a Windows (or is it
BIOS?)
 >     error
 >     message?  I have a similar situation.
 >
 >     My "project" has been to get a laptop with Ubuntu as the primary
 >     operating system with Windows 10 running under VMWare
Player.  I've
 >     goofed around with this for quite a while (many calendar
days, not many
 >     hours of effort) to the point that I now have this very
combination up
 >     and running.
 >
 >     Kind of.
 >
 >     Windows 10 doesn't recognize the laptop keyboard.  I have not
yet tried
 >     plugging in an external USB keyboard for a look see.  I did
try going
 >     into Device Manager (I can get there by glide pad only) and
deleted the
 >     reference to PS/2 Keyboard.  First observation - pointing and
clicking
 >     device works fine, no keyboard.  Second observation -
PS/2???  Anyway,
 >     one of the "happy talk" how-to's said "delete the keyboard
and reboot."
 >     PS/2 came back, no type.
 >
 >     Any number of other "happy talk how-to's" said that you could
press
 >     whatever key combination to solve the problem.  Really?  Key
presses
 >     not
 >     received by Windows 10.
 >
 >     Not even F1.
 >
 >     Howard
 >
 > --
 > --
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 > Groups "NLUG" group.
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Re: [nlug] Re: No keyboard found. Press F1 to continue

[Howard White]

Thanks for the rebound, Clayton.  The screen shot I should capture is 
from Device Manager that shows the PS/2 Keyboard with a yellow triangle 
and an exclamation point.  I am aware of the capture key sequence and 
probably need to try that again just to make sure.


Detail I may have missed at the start of this tale - the Windows 10 
instance is a physical to virtual conversion by way of VMWare Converter 
(just downloaded from VMWare).  Converter ran on the local machine to an 
attached USB drive for transfer.  I suspect there is a "hold your tongue 
right" aspect to the P2V of which I am unaware.


Howard

On 7/22/19 10:49 AM, Clayton Davis wrote:
Are you sure that VMware has "captured" the keyboard? Usually this 
happens when the mouse is active within the VM, but there might be a key 
combo or button that tells VMware to accept input from the keyboard.  
Can you post a screenshot?


On Sunday, July 21, 2019 at 8:04:56 PM UTC-5, Howard wrote:

Remember getting this head-scratcher of a Windows (or is it BIOS?)
error
message?  I have a similar situation.

My "project" has been to get a laptop with Ubuntu as the primary
operating system with Windows 10 running under VMWare Player.  I've
goofed around with this for quite a while (many calendar days, not many
hours of effort) to the point that I now have this very combination up
and running.

Kind of.

Windows 10 doesn't recognize the laptop keyboard.  I have not yet tried
plugging in an external USB keyboard for a look see.  I did try going
into Device Manager (I can get there by glide pad only) and deleted the
reference to PS/2 Keyboard.  First observation - pointing and clicking
device works fine, no keyboard.  Second observation - PS/2???  Anyway,
one of the "happy talk" how-to's said "delete the keyboard and reboot."
PS/2 came back, no type.

Any number of other "happy talk how-to's" said that you could press
whatever key combination to solve the problem.  Really?  Key presses
not
received by Windows 10.

Not even F1.

Howard

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[nlug] No keyboard found. Press F1 to continue

[Howard White]

Remember getting this head-scratcher of a Windows (or is it BIOS?) error 
message?  I have a similar situation.


My "project" has been to get a laptop with Ubuntu as the primary 
operating system with Windows 10 running under VMWare Player.  I've 
goofed around with this for quite a while (many calendar days, not many 
hours of effort) to the point that I now have this very combination up 
and running.


Kind of.

Windows 10 doesn't recognize the laptop keyboard.  I have not yet tried 
plugging in an external USB keyboard for a look see.  I did try going 
into Device Manager (I can get there by glide pad only) and deleted the 
reference to PS/2 Keyboard.  First observation - pointing and clicking 
device works fine, no keyboard.  Second observation - PS/2???  Anyway, 
one of the "happy talk" how-to's said "delete the keyboard and reboot." 
PS/2 came back, no type.


Any number of other "happy talk how-to's" said that you could press 
whatever key combination to solve the problem.  Really?  Key presses not 
received by Windows 10.


Not even F1.

Howard

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Re: [nlug] HELP! Firewall testbed driving me nuts!

[Howard White]

Steve and NLUG:

Have now ruled out stanky hub as problem.  Further searches seem to 
suggest that the testbed I have built is, in essence, an asymmetric 
network configuration that "ain't gonna work."


From each of the daughter firewalls (and computers behind said 
firewall), I can ssh nicely to the "internet" firewall.  I cannot ssh to 
any of the daughter firewalls from any thing.  Same ssh configs, 
stripped down to the simplest level.


How may I create a "dummy internet" upon which I may test a group of 
firewalls?


Going to try to remove the top firewall from the mix, set the IP 
addresses of each of the now daughter firewalls to static IP addresses 
(okay, I was lazy and tried to use DHCP at the "internet" because that 
is exactly the field configuration) and see if there is any more progress.


Howard

On 6/25/19 10:18 PM, Howard White wrote:
Primary culprit found.  One of the stanky hubs was dorking the WAN 
network.  Updates tomorrow.


Howard

On 6/25/19 9:54 PM, Steve wrote:

Hey Howard, can you take a screenshot of your ruleset?



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[nlug] HELP! Firewall testbed driving me nuts!

[Howard White]

Not that it was a very long putt, you understand...

Trying to create a testbed to which I may connect multiple pfsense 
instances (all but one on bare metal, one vm guest - all give the same 
result).  Have a separate network to which each of the WAN interfaces of 
the collective firewalls connect.  Network has working DHCP and I have a 
separate desktop also connected to this network.  Network is not 
connected upstream - isolated.


Each of the pfsense instances show a WAN address of the testbed network, 
unique to each.  The testbed is to be able to test external to WAN ssh 
and OpenVPN.  I have connected a known to work pfsense bare metal 
instance to the testbed and I still am unable to ssh from the 
independent desktop to the WAN.  ssh sits until timeout.  I am able to 
ssh to the LAN of each instance (some of the stankiest switches and hubs 
you've seen but they work!)


There are ten steps to getting a pizza, in my case 6153827272.  What 
step(s) am I missing


Howard

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[nlug] malware heads up

[Howard White]

Oh goody, "they" are coming after us...



Howard

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Re: [nlug] linux exploit

[Howard White]

Thank you, Tilghman.  I did not read the source documents due to lack of 
detail knowledge.  We cannot be too careful but I often wonder about 
sensationalism.


Howard

On 5/13/19 8:33 PM, Tilghman Lesher wrote:

Reading on this a little bit more, it looks like this bug would be
extremely difficult to exploit.  Basically, it only occurs when you
allocate a socket, attempt to connect to a remote machine, and the
attempted connection fails.  If that happens, you get a use-after-free
condition.

Given how frequent the described condition occurs, I have to question
whether SecurityFocus was accurate in implicating kernels back to 2.0.
I would suspect that this might be applicable only to 5.0 kernels, but
I don't have any evidence to suggest either way.

I'd also question whether it was accurate in describing this as a
remote exploit, since this describes a connection FROM the affected
machine, not TO it.  You don't use connect() on incoming TCP
connections; you use listen() and accept() for that.  However, it is
also true that some well-known services use combinations like this.
FTP, in particular, comes to mind, at least in active (default) mode.
So potentially, an attacker might initiate an FTP connection to a
vulnerable machine, then refuse attempted connections for FTP-DATA.

You see why I think this might not implicate earlier kernels?  That
happens all the time, if you're behind a firewall and don't have the
passive FTP option turned on.  And yet, that doesn't generally crash
Linux machines.

On Mon, May 13, 2019 at 8:09 PM Tilghman Lesher  wrote:


It is, indeed, bleeding edge, but the SecurityFocus article makes
clear that this is a bug that goes back to even Linux 2.0 kernels.  So
you're vulnerable, period, at least until your upstream vendor
publishes an updated kernel that corrects this race condition.

On Mon, May 13, 2019 at 8:33 AM Howard White  wrote:


Is this bleeding edge or am I missing something?

<https://www.bleepingcomputer.com/news/security/linux-kernel-prior-to-508-vulnerable-to-remote-code-execution/?fbclid=IwAR23w_HjGBwSuKg19c24RhlePE_envkBZ71cpl8Xt-FCM3n5kfq9hmWMIUk>

Howard

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[nlug] linux exploit

[Howard White]

Is this bleeding edge or am I missing something?



Howard

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[nlug] handy networking command o' the day

[Howard White]

I'm chasing my tail with too many networks and too many DHCP servers.

nmap --script broadcast-dhcp-discover -e wlp3s0

note that the -e argument is for a system with multiple interfaces...

Howard

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[nlug] cool linux command line tricks

[Howard White]

They had me at curl wttr.in



Howard

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[nlug] ransomeware with an ubuntu attack vector

[Howard White]

Heads up friends



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[nlug] phpmyadmin question

[Howard White]

Yours truly is a victim of yet another too-old-happy-talk-howto. 
Regarding the /etc/httpd/conf.d/phpMyAdmin.conf, the howto says comment 
out the lines

Order Deny,Allow
Deny from all
Allow from 127.0.0.1

Oh, but in my instance, these lines occur several times.  And really, 
this is like saying "turn off SELinux 'cause we're too lazy to 
understand security."


Not finding an "M" to "RTF"

So which is the syntax?  Add another Allow from line underneath the 
Allow from 127.0.0.1 or add my network reference after a comma on the 
first Allow line?


Howard

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[nlug] a useful website

[Howard White]

I won't go so far as to say "my new favorite website" but it still is 
interesting:




Howard

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[nlug] fanning the flames of firewall discussion

[Howard White]

As I was saying at the last meeting, whereas ten to fifteen years ago 
"we" were better off buying an appliance firewall as opposed to creating 
one in linux - the times have changed and those appliance firewalls 
don't cut it anymore.




January meeting - let's drag in some linux built firewalls and allow our 
penetration tester to blast away.  We might learn something.


Teaser - I went in search of a continuing 32bit linux OS and found one. 
Is it good enough for a firewall?


Howard

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[nlug] oh goody, I have to learn an entirely new network configuration syntax

[Howard White]

Oh the joys of progress!

Just when one almost understands the syntax of /etc/network/interfaces - 
kablammo!  Yeah, I know, they rolled this out with v17.10.


So here's the deal.  NIC en01 is connected to the WAN and gets its 
address via DHCP.  NIC en02 is connected to the LAN with a static 
address.  Static needs a gateway which needs to be device not IP 'cause 
 I DON'T KNOW THE ~!@#$%^& address at config time .


More reading

Howard

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[nlug] Connecting linux to LTO6 tape drive; was Re: NLUG member needs help - quick local gig

[Howard White]

Dru asked that I report back to the list as to what and how I did to 
work with Michael.  First and foremost, I had a whiteboard discussion 
with Michael as to the nature of the data, not just the quantity.  I 
brought along an Ubuntu 16.04 server with a really old DLT drive for the 
purpose of demonstration.  Come to find out, Michael had a similar 
server with the proper, new fangled, external interface to connect to 
the LTO6 drive.  We yanked the boot drive out of my server, installed 
the drive in his server and PRESTO!  It just works.  No extra drivers, 
no runs, no drips, no errors.


Better than that, I have a SATA drive dock with an eSata interface. 
Both of our respective servers have eSata ports on the back and so I 
hooked it up.  Not only did the servers recognize the drives, we were 
able to hot, okay maybe more like luke, swap the drives out of the dock. 
 I was careful to unmount the volume from the linux file system and 
then power off the dock before swapping the drive.  That beats the stink 
outta having to power off the server to swap out external SATA drives. 
This may have been available for some time now but I'm just now coming 
upon it.


Michael and I shall meet more to address some operational procedures. 
Today was a big success in the proof of concept.  I left this evening 
with the server running backing up a 2TB SATA drive, connected in a USB 
SATA dock; an excellent overnight activity.


Howard

On 08/24/2018 12:56 PM, jonnyX wrote:

Hi folks,

Mike (helpwithmath153@gmail) needs some assistance with a tape archive 
unit. He needs it working yesterday, and he's not asking for free tech 
support.


I had done some preliminary research earlier in the week, tracking down 
hardware & driver info (see below), but it looks like this is going to 
involve a bit more research and an onsite visit to get the archive 
system up and running. Unfortunately, I am flat on my back with a summer 
cold, plus my car is in the garage & I don't get it back 'til Monday. 
Then I'm scheduled to go out of town from Tuesday the 28th through 
September 4th or 5th.


Can anyone give Mike a hand?

~~Dru


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[nlug] there is joy in Ubuntu 18.04!

[Howard White]

18.04 came out in late April.  Only now are my 16.04 desktop systems 
getting the "hey, there is 18.04 now, wanna upgrade" message.  Thought 
I'd do my 4 monitor using the NVIDIA specific video driver system which 
has always been just a little twitchy.  Upgrade went off without any 
drama and the video works fine after.


Even better, with 16.04 when one changes the multi-display layout, that 
config goes away with every reboot (or at least it does for me).  With 
18.04 - it sticks!  I don't have to go into display settings and move 
the monitors around to where they really live!


Life's little pleasures...   YMMV

Howard

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Re: [nlug] Hard Drives

[Howard White]

Keep an eye on the Best Buy sales as they have a habit of putting their 
Western Digital 8TB EasyStore units on sale for ~$150.  These EasyStore 
have drives that sell for more than that naked.  Lots of folks "shuck" 
the drives out of the plastic case to put into whatever.  If you are 
careful, you can manage not to destroy the case and put some other 
smaller SATA drive in the case to use as an external transfer.


Howard

On 07/19/2018 03:11 PM, Paul Boniol wrote:
Considering buying an external hard drive, primary use would be DVR 
(from Mythbuntu).  Any preferences between Western Digital and Segate?  
I've seen about as many reviews saying "this drive failed after x 
months, lost my data, had to spend hours on the phone, and I had to pay 
shipping to get it replaced under warranty" on both.


I've been considering a new computer as the existing is many years old 
now, and had some issues turning it on occasionally when it gets turned 
off.  (So power supply likely starting to go.)


Paul

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Re: [nlug] [NLUG] Got an old managed switch?

[Howard White]

Run wireshark and watch the traffic?

Howard

On 06/29/2018 11:49 AM, Dave Manginelli wrote:
My current gig involves testing an IOT device that likes to "phone home" 
and it would be much easier for me if I could easily monitor the 
traffic. Does anybody have a managed switch they can loan (or give!) me?


An old 10Mb switch is OK if I can just set it to echo the traffic to 
more than one output port.


Thanks.

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[nlug] useful command o' the day

[Howard White]

Currently messing about with a software raid (md).  Found a nice how-to



that included a couple of generally useful commands:

lsblk -o NAME,SIZE,FSTYPE,MOUNTPOINT

and

cat /prod/mdstat


Enjoy.

Howard

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[nlug] another day, another security oops

[Howard White]

Somebody pass me the roll of tin foil, please.



Howard

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[nlug] command reference from the dark side

[Howard White]

For those poor SODs that have to work with Windows, here is a command 
reference that may be of interest.




Howard

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[nlug] security matters

[Howard White]

After Tuesday night's cheerful news about security, here is one that 
makes stuxnet look primative...




Howard

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[nlug] Long time, no Beer and Pizza

[Howard White]

An early tradition of the Nashville Linux Users Group was random 
gatherings at Davinci's Pizza on Hayes Street, establishment killed off 
by incessant street construction.


Rob Huffstedtler, an early NLUG activist, is visiting town.  We are 
reviving the Beer and Pizza tradition at East Nashville Beer Works on 
Trinity Lane, Thursday evening after 6PM.




Join us if you can

Howard

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Re: [nlug] Knock Knock Someone home?

[Howard White]

Sorry Joey, now to reply to the list...

Definitely Clonezilla.  Like Chris, I use Clonezilla all the time.

Howard

On 04/06/2018 09:06 AM, JMJ wrote:

Sorry... that was a vote for Clonezilla not a question about it. :-)

JMJ

On Fri, Apr 6, 2018, 9:06 AM JMJ > wrote:


Clonezilla?

JMJ

On Fri, Apr 6, 2018, 8:39 AM Jack Coats > wrote:

If figure this email group is depricated, but was wondering of
some old hats are still here...

I have a Windows 7 problem/oppertunity.

My wife was given 8 computers with Win7 nicely running.

How can I make a clone of these, so that if one gets trashed, I
can restore it (assume worst case, bare metal restore).

I prefer opensource or low cost (it is comeing from my pocket).

Thanks ol'friend.

... Jack Coats


-- 
 ><> ... Jack


The Four Boxes of Liberty - "There are four boxes to be used in
the defense of liberty: soap, ballot, jury and ammo. Please use
in that order."
"Whatever you do, work at it with all your heart"... Colossians 3:23
"Anyone who has never made a mistake, has never tried anything
new." - Albert Einstein
"You don't manage people; you manage things. You lead people." -
Admiral Grace Hopper, USN
"The most dangerous phrase in the language is "We’ve always done
it this way"-- Admiral Grace Hopper, USN
"Tell me and I forget. Teach me and I remember. Involve me and I
learn." - Ben Franklin

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[nlug] your tax dollars at work - against you

[Howard White]

Again linking a favorite news source



Howard

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