Re: [CentOS] KVM Virtualization Network VLAN CentOS7

[FrancisM]

On Thu, Apr 7, 2016 at 1:26 PM, Subscriber  wrote:

> Hello FrancisM,
>
> Thursday, April 7, 2016, 8:03:38 AM, you wrote:
>
>
> > I tried last night and it seems like the vlans that I created is failing
> to
> > bring-up. So this is what Im doing
>
> > in my DATA trunk port at my HomeLab Im doing this
>
> > 2 port configured for teaming1 (set as link only port) -> Create Bridge
> > (br0 port) on top of the teaming1 -> create slave vlan10,20,30,40 and the
> > parent is br0. Am I doing this correctly? Thanks
>
> not exactly.
>
> nmcli connection add con-name br10 ifname br10 type bridge stp no
> nmcli connection down br10
> nmcli connection edit br10
> set ipv4.method disabled
> set ipv6.method ignore
> save
> quit
> nmcli connection up br10
>
> nmcli  connection  add  con-name  vlan10  ifname  vlan10 type vlan dev
> teaming1 id 10
> nmcli connection down vlan10
> nmcli connection edit vlan10
> set connection.master br10
> set connection.slave-type bridge
> verify fix
> save
> exit
> nmcli connection up vlan10
>
> similarly for br20+vlan20, br30+vlan30, br40+vlan40
>
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Thanks for providing the command I will definitely try this method.
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Re: [CentOS] KVM Virtualization Network VLAN CentOS7

[Subscriber]

Hello FrancisM,

Thursday, April 7, 2016, 8:03:38 AM, you wrote:


> I tried last night and it seems like the vlans that I created is failing to
> bring-up. So this is what Im doing

> in my DATA trunk port at my HomeLab Im doing this

> 2 port configured for teaming1 (set as link only port) -> Create Bridge
> (br0 port) on top of the teaming1 -> create slave vlan10,20,30,40 and the
> parent is br0. Am I doing this correctly? Thanks

not exactly.

nmcli connection add con-name br10 ifname br10 type bridge stp no
nmcli connection down br10
nmcli connection edit br10
set ipv4.method disabled
set ipv6.method ignore
save
quit
nmcli connection up br10

nmcli  connection  add  con-name  vlan10  ifname  vlan10 type vlan dev
teaming1 id 10
nmcli connection down vlan10
nmcli connection edit vlan10
set connection.master br10
set connection.slave-type bridge
verify fix
save
exit
nmcli connection up vlan10

similarly for br20+vlan20, br30+vlan30, br40+vlan40

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Re: [CentOS] Suddenly increased my hard disk

[John R Pierce]

On 4/6/2016 10:08 PM, Chandran Manikandan wrote:

Am currently running dos mode not graphical mode.
Could you have any other method.


for unix shell (its *not* 'dos mode', MSDOS is a legacy system of 
Microsoft), du is the command to use.


du -hs /*

will give you a summary of the space used by every top level 
directory.   ignore /dev /proc and /sys as they aren't real directories, 
theya re pseudo file systems.   if it turns out, for example, that /var 
is the biggest pig, then


du -hs /var/*

to see the totals of whats in each folder in /var

rinse, repeat...


--
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Re: [CentOS] Suddenly increased my hard disk

[Chandran Manikandan]

Hi John,
Am currently running dos mode not graphical mode.
Could you have any other method.

Hi Ashish,
You are correct.
qmailtoaster backup file which was around 184 GB in backup.gz type and i
have removed .bz2 type file with the same backup/mailbkup directory.

After removed .bz2 file it's gone backup.gz also which was 184 GB file.
I have run this command locate .gz but couldn't find out it.

how do i see the open files.

Could you help me to find out this file or any soln.


On Thu, Apr 7, 2016 at 12:55 PM, Ashish Yadav  wrote:

> Hi Chandran,
>
>
> On Thu, Apr 7, 2016 at 9:14 AM, Chandran Manikandan 
> wrote:
>
> > Hi All,
> >
> > I have running Centos 6.5 32 bit machine.
> > This machine is running qmailtoaster packages and mailbox size is 385 GB.
> >
> > if i run the df -h command it show 385 GB out of 1TB
> >
> > I have run the same command today suddenly shows 576 GB out of 1 TB.
> >
> > I didn't update any bulk file and mail transaction is not very high.
> >
> > How do i check this issue and fix it.
> >
> > how do i find out and why suddenly showing this much of increasing the
> size
> > of hard disk.
> >
> > Could anyone help me
> >
>
> Basically, df reads the superblock only and trusts it completely.  du reads
> each object and sums them up.
>
> Any running process can keep a deleted file open. This means the space will
> still be reserved and seen by df,
> but since du will no longer see a reference to that file in the directory
> tree, it cannot see those reserved blocks.
>
> Try to see the number of open file which could be causing the problem.
>
>
> --Regards
> Ashishkumar S. Yadav
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>



-- 
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*Manikandan.C*
*System Administrator*
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Re: [CentOS] KVM Virtualization Network VLAN CentOS7

[FrancisM]

On Thursday, 7 April 2016, James Hogarth  wrote:

> On 6 April 2016 at 19:21, Subscriber  > wrote:
>
> > Hello James,
> >
> > Wednesday, April 6, 2016, 5:34:26 PM, you wrote:
> >
> > > Note that this is pretty much the last use case you cannot use
> > > NetworkManager for but need the legacy network service ... to save you
> > some
> > > pain in trying to configure it ;)
> > I disagree... NetworkManager works perfectly.
> >
> >
> >
> Ah I recall slightly incorrectly form my testing last May ... to be fair
> it's been nearly a year since I last looked at this ;)
>
> https://www.hogarthuk.com/?q=node/8
>
> it's nmcli specifically that wouldn't work as the bridge slave had an
> ethernet type requirement so wouldn't work if the type was bond or vlan
>
> NM was able to create the connection from the file configuration however
>  my apologies
>
> Here's the bug with the limitation due to be fixed in the upcoming 7.3
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1183420
>
> That's one less reason to use the legacy network service then!
> _
>

I tried last night and it seems like the vlans that I created is failing to
bring-up. So this is what Im doing

in my DATA trunk port at my HomeLab Im doing this

2 port configured for teaming1 (set as link only port) -> Create Bridge
(br0 port) on top of the teaming1 -> create slave vlan10,20,30,40 and the
parent is br0. Am I doing this correctly? Thanks
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Re: [CentOS] Suddenly increased my hard disk

[Ashish Yadav]

Hi Chandran,


On Thu, Apr 7, 2016 at 9:14 AM, Chandran Manikandan 
wrote:

> Hi All,
>
> I have running Centos 6.5 32 bit machine.
> This machine is running qmailtoaster packages and mailbox size is 385 GB.
>
> if i run the df -h command it show 385 GB out of 1TB
>
> I have run the same command today suddenly shows 576 GB out of 1 TB.
>
> I didn't update any bulk file and mail transaction is not very high.
>
> How do i check this issue and fix it.
>
> how do i find out and why suddenly showing this much of increasing the size
> of hard disk.
>
> Could anyone help me
>

Basically, df reads the superblock only and trusts it completely.  du reads
each object and sums them up.

Any running process can keep a deleted file open. This means the space will
still be reserved and seen by df,
but since du will no longer see a reference to that file in the directory
tree, it cannot see those reserved blocks.

Try to see the number of open file which could be causing the problem.


--Regards
Ashishkumar S. Yadav
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Re: [CentOS] Suddenly increased my hard disk

[John R Pierce]

On 4/6/2016 9:20 PM, Frank Cox wrote:

On Thu, 7 Apr 2016 12:08:45 +0800
Chandran Manikandan wrote:


>Should i need to run above command in home directory or root.

The command that he gave you will work from any directory.  The / means start 
from the root directory so where you are when you run it is irrelevant.



howevver if he doesn't run it as the root user, it won't be able to 
calculate space in directories the current user can't access.


if you are running X-Windows, there's a nifty utility KDirStat that 
scans the disk tallying space, then gives you an interactive graphical 
view of usage.   I believe you can install it from epel as package k4dirstat






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Re: [CentOS] Suddenly increased my hard disk

[Frank Cox]

On Thu, 7 Apr 2016 12:08:45 +0800
Chandran Manikandan wrote:

> Should i need to run above command in home directory or root.

The command that he gave you will work from any directory.  The / means start 
from the root directory so where you are when you run it is irrelevant.

-- 
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Re: [CentOS] Suddenly increased my hard disk

[Chandran Manikandan]

Hi Digimer,

Should i need to run above command in home directory or root.
Could you help me.

On Thu, Apr 7, 2016 at 11:49 AM, Digimer  wrote:

> On 06/04/16 11:44 PM, Chandran Manikandan wrote:
> > Hi All,
> >
> > I have running Centos 6.5 32 bit machine.
> > This machine is running qmailtoaster packages and mailbox size is 385 GB.
> >
> > if i run the df -h command it show 385 GB out of 1TB
> >
> > I have run the same command today suddenly shows 576 GB out of 1 TB.
> >
> > I didn't update any bulk file and mail transaction is not very high.
> >
> > How do i check this issue and fix it.
> >
> > how do i find out and why suddenly showing this much of increasing the
> size
> > of hard disk.
> >
> > Could anyone help me
> >
>
> Start with 'du -hs /'. If one of the directories is bigger than
> expected, re-run in that directory. Repeat until you find the
> unexpectedly large directory.
>
> --
> Digimer
> Papers and Projects: https://alteeve.ca/w/
> What if the cure for cancer is trapped in the mind of a person without
> access to education?
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>



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*System Administrator*
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Re: [CentOS] Suddenly increased my hard disk

[Digimer]

On 06/04/16 11:44 PM, Chandran Manikandan wrote:
> Hi All,
> 
> I have running Centos 6.5 32 bit machine.
> This machine is running qmailtoaster packages and mailbox size is 385 GB.
> 
> if i run the df -h command it show 385 GB out of 1TB
> 
> I have run the same command today suddenly shows 576 GB out of 1 TB.
> 
> I didn't update any bulk file and mail transaction is not very high.
> 
> How do i check this issue and fix it.
> 
> how do i find out and why suddenly showing this much of increasing the size
> of hard disk.
> 
> Could anyone help me
> 

Start with 'du -hs /'. If one of the directories is bigger than
expected, re-run in that directory. Repeat until you find the
unexpectedly large directory.

-- 
Digimer
Papers and Projects: https://alteeve.ca/w/
What if the cure for cancer is trapped in the mind of a person without
access to education?
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[CentOS] Suddenly increased my hard disk

[Chandran Manikandan]

Hi All,

I have running Centos 6.5 32 bit machine.
This machine is running qmailtoaster packages and mailbox size is 385 GB.

if i run the df -h command it show 385 GB out of 1TB

I have run the same command today suddenly shows 576 GB out of 1 TB.

I didn't update any bulk file and mail transaction is not very high.

How do i check this issue and fix it.

how do i find out and why suddenly showing this much of increasing the size
of hard disk.

Could anyone help me

-- 
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*Manikandan.C*
*System Administrator*
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[CentOS-announce] Release for CentOS Linux 7 Rolling media March 2016

[Karanbir Singh]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

I am pleased to announce general availability of the March 2016
snapshot for CentOS Linux. This release includes CentOS Linux 7 iso
based install media, Generic Cloud images, Atomic Host, Docker
containers, Vagrant images, vendor hosted cloud images.

This release set is tag'd 1603 and includes all updates released upto
the 31st of March 2016.

CentOS Linux rolling builds are point in time snapshot media rebuild
from original release time, to include all updates pushed to
mirror.centos.org's repositories. This includes all security, bugfix,
enhancement and general updates for CentOS Linux. Machines installed
from this media will have all these updates pre-included and will look
no different when compared with machines installed with older media
that have been yum updated to the same point in time. All rpm/yum
repos remain on mirror.centos.org with no changes in either layout or
content.

- 
CentOS Linux 7 / x86_64 install media is available at
http://buildlogs.centos.org/rolling/7/isos/x86_64/

File: CentOS-7-x86_64-Minimal-1603-02.iso
Sha: 58ee68c3ffae5c4ca629be9b992f97d108165e09726d3e8f80798ac9c7a1821e

File: CentOS-7-x86_64-Everything-1603-02.iso
Sha: f618b51bbbfbbc5a1d2fe64cb699735057f79df41125bad5be6eef11b4f7c575

File: CentOS-7-x86_64-DVD-1603-02.iso
Sha: f78dcd1040afcdbb716c0581a182365ff34b7b37e9c20aa40b521b3c42677744


- 
CentOS Linux 7 / x86_64 Cloud Images are available at :
http://cloud.centos.org/centos/7/images/


Sha: c88230cde563ca29b065d53819586262f79a64769736e014bf6dabaa61a20968
File: CentOS-7-x86_64-GenericCloud-1603.qcow2

Sha:6d17808cf208bee3243f51b84e9bfb10b06f0cd04e2930505d9ea4fba2583bc5
File: CentOS-7-x86_64-GenericCloud-1603.qcow2c

Sha: f91e602120a728f144da605baf0d5f4ad59293921bee99cc4aa3a1ab65e6d445
File: CentOS-7-x86_64-GenericCloud-1603.qcow2.xz

Sha:5c5cacfc1f0700cc7d48d667933cd730f7443e866caeda94d8e205a8bc8ce511
File: CentOS-7-x86_64-GenericCloud-1603.raw.tar.gz

- 
CentOS Atomic Host is being release announced shortly.


- 
CentOS Linux 7 / x86_64 Vagrant images are updated at
https://atlas.hashicorp.com/centos/7 and the backing files can be
downloaded for libvirt and virtualbox providers at :

Libvirt:
http://cloud.centos.org/centos/7/vagrant/x86_64/images/CentOS-7-x86_64-V
agrant-1603_01.LibVirt.box
Sha: 4e01796e1afdd8c4bfbe98cffe5966caee227629429657a06c56d93d6e5fadaf

Virtualbox:
http://cloud.centos.org/centos/7/vagrant/x86_64/images/CentOS-7-x86_64-V
agrant-1603_01.VirtualBox.box
Sha: 549542fb475a02b7477000dded6dc7d12e7e325e461f029d25831eb9bb208a4b

- 
CentOS Linux 5 / 6 and 7 docker images are updated at
https://hub.docker.com/_/centos/

- 
We welcome all feedback around these rolling builds and media updates
at the centos-devel mailing list ( http://lists.centos.org/ ).

enjoy!

- -- 
Karanbir Singh, Project Lead, The CentOS Project
+44-207-0999389 | http://www.centos.org/ | twitter.com/CentOS
GnuPG Key : http://www.karan.org/publickey.asc
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Re: [CentOS] CentOS 7, selinux issue

[Daniel J Walsh]

Can you attach one of the AVC's. Mos likely ssh-x509-auth needs to be 
labeled sshd_key_t

or ssh_home_t

On 04/06/2016 02:54 PM, m.r...@5-cent.us wrote:

I'm seeing a lot of noise in the logs, to the effect of:
setroubleshoot: SELinux is preventing /bin/ksh93 from write access on the
directory /var/lib/ssh-x509-auth

as well as others related to find, cat, etc on .pem's in that directory.
Is this a policy bug, or just no policy covering this?

mark

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[CentOS] CentOS 7, selinux issue

[m . roth]

I'm seeing a lot of noise in the logs, to the effect of:
setroubleshoot: SELinux is preventing /bin/ksh93 from write access on the
directory /var/lib/ssh-x509-auth

as well as others related to find, cat, etc on .pem's in that directory.
Is this a policy bug, or just no policy covering this?

   mark

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[CentOS] CentOS 7 annoyances

[m . roth]

So, tell me folks, when you've got a system that isn't coming all the way
up, and you get to the grub2? dracut? shell, and you tell it to reboot,
and it responds by telling you I'm sorry, Dave, I can't do that, "target
is destructive", what are you *expected* to do, other than power cycle the
damn thing?

   mark



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Re: [CentOS] How to set hostname and domainnmae in CentOS 7?

[John R Pierce]

On 4/6/2016 11:34 AM, James Hogarth wrote:

On 6 April 2016 at 15:45, Mark Haney  wrote:


>Not sure about everyone else, but I always put my hostname in /etc/hosts.
>Maybe that's from years of not always having DNS available back when the
>earth was cooling.
>
>

This behaviour plays havoc with templated VMs though or any time you can't
be sure the IP there will be correct ...


indeed, most all my servers except a few key infrastructure servers are 
configured with DHCP reservations.




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Re: [CentOS] How to set hostname and domainnmae in CentOS 7?

[James Hogarth]

On 6 April 2016 at 15:45, Mark Haney  wrote:

> Not sure about everyone else, but I always put my hostname in /etc/hosts.
> Maybe that's from years of not always having DNS available back when the
> earth was cooling.
>
>
This behaviour plays havoc with templated VMs though or any time you can't
be sure the IP there will be correct ...

At which point you start having to script fixing it etc or weird things
happen.

I can't recall if it hit EL7 yet but Fedora has nss-myhostname so it'll
probably arrive in EL7 eventually to ensure the local hostname is always
resolvable to the system IP if it exists or at least   127.0.0.2 so stuff
relying on gethostname() doesn't have issues and  the older /etc/hosts
shenanigans are not required.
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Re: [CentOS] KVM Virtualization Network VLAN CentOS7

[James Hogarth]

On 6 April 2016 at 19:21, Subscriber  wrote:

> Hello James,
>
> Wednesday, April 6, 2016, 5:34:26 PM, you wrote:
>
> > Note that this is pretty much the last use case you cannot use
> > NetworkManager for but need the legacy network service ... to save you
> some
> > pain in trying to configure it ;)
> I disagree... NetworkManager works perfectly.
>
>
>
Ah I recall slightly incorrectly form my testing last May ... to be fair
it's been nearly a year since I last looked at this ;)

https://www.hogarthuk.com/?q=node/8

it's nmcli specifically that wouldn't work as the bridge slave had an
ethernet type requirement so wouldn't work if the type was bond or vlan

NM was able to create the connection from the file configuration however
 my apologies

Here's the bug with the limitation due to be fixed in the upcoming 7.3

https://bugzilla.redhat.com/show_bug.cgi?id=1183420

That's one less reason to use the legacy network service then!
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Re: [CentOS] KVM Virtualization Network VLAN CentOS7

[Subscriber]

Hello James,

Wednesday, April 6, 2016, 5:34:26 PM, you wrote:

> Note that this is pretty much the last use case you cannot use
> NetworkManager for but need the legacy network service ... to save you some
> pain in trying to configure it ;)
I disagree... NetworkManager works perfectly.

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Re: [CentOS] password

[John R Pierce]

On 4/6/2016 9:03 AM, Joe Smithian wrote:



wfajnrKBg*58


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Re: [CentOS] password

[Joe Smithian]

:)


On Wed, Apr 6, 2016 at 12:06 PM, Larry Martell 
wrote:

> I make my password 'incorrect' so when I forget it the computer will
> say "Your password is incorrect"
>
> ;-)
>
> On Wed, Apr 6, 2016 at 12:03 PM, Joe Smithian 
> wrote:
> >
> > ___
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[CentOS] systemd-run does not start scope in the specified slice

[Alexander Brand]

It seems that systemd-run does not start the process in the specified
slice when starting a transient scope instead of a service.

I have created a test.slice, and started it:

   # systemctl status test.slice
   ● test.slice - Test slice
  Loaded: loaded (/usr/lib/systemd/system/test.slice; static;
vendor preset: disabled)
  Active: active since Tue 2016-04-05 16:50:26 EDT; 2min 27s ago
  Memory: 0B

   Apr 05 16:50:26 abrand04 systemd[1]: Created slice Test slice.
   Apr 05 16:50:26 abrand04 systemd[1]: Starting Test slice.

When running a process using systemd-run,

   # systemd-run --scope --slice=test --unit=test sleep 60 &
   [1] 52359
   # Running scope as unit test.scope.


the process is placed in the system.slice (see CGroup) instead of the
test.slice as specified in the systemd-run command.

   # systemctl status test.scope
   ● test.scope - /usr/bin/sleep 60
  Loaded: loaded (/run/systemd/system/test.scope; static; vendor
preset: disabled)
 Drop-In: /run/systemd/system/test.scope.d
  └─50-Description.conf
  Active: active (running) since Tue 2016-04-05 16:56:04 EDT; 11s
ago
  Memory: 92.0K
  CGroup: /system.slice/test.scope
  └─52359 /usr/bin/sleep 60

   Apr 05 16:56:04 abrand04 systemd[1]: Started /usr/bin/sleep 60.
   Apr 05 16:56:04 abrand04 systemd[1]: Starting /usr/bin/sleep 60.


CentOS Linux release 7.2.1511 (Core)

systemd 219


Am I doing something wrong here? When starting the process as a
service, and not a transient scope, the process is correctly placed in
the specified slice.
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Re: [CentOS] KVM Virtualization Network VLAN CentOS7

[Gordon Messmer]

On 04/06/2016 07:34 AM, James Hogarth wrote:

Note that this is pretty much the last use case you cannot use
NetworkManager for but need the legacy network service


Which part of the configuration does NetworkManager not handle?
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Re: [CentOS] KVM Virtualization Network VLAN CentOS7

[Gordon Messmer]

On 04/06/2016 06:35 AM, Francis Mendoza wrote:

my question is can I assigned directly the 'team1_vlan10, team1_vlan20..
and so on to directly use in my guest VM instead of bridging the network
config in the VM.xml file? I


Yes, you can use macvtap.  Note that in the default mode, the guest will 
not be able to communicate with the host.  AFAIK, when using macvtap, 
you will not have the option of controlling guest network using iptables 
on the host, as you do when using a bridged network device.


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Re: [CentOS] password

[Larry Martell]

I make my password 'incorrect' so when I forget it the computer will
say "Your password is incorrect"

;-)

On Wed, Apr 6, 2016 at 12:03 PM, Joe Smithian  wrote:
>
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[CentOS] password

[Joe Smithian]

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[CentOS] Squid for CentOS 7 and available file descriptors

[Carlos A. Carnero Delgado]

Hi,

I'm installing a Squid instance for a large (ish) group of users. In the
past I've had to increase the number of available file descriptors for the
Squid process in order to avoid hitting the limits (and disrupting the
service).

It seems that the packaged Squid for CentOS 7 has a hardcoded value of
16386 maximum file descriptors
.
The relevant portion of that spec file is

  ⋮
  --with-aio \
  --with-default-user="squid" \
  --with-filedescriptors=16384 \
  --with-dl \
  --with-openssl \
  ⋮

Why this limit? Is there any merit to opening a bug or enhancement request
somewhere? Other than that, what could I do next? A custom Squid build?

Thanks a lot,
Carlos.
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Re: [CentOS] CentOS 7.2 rootfs for i386

[Johnny Hughes]

On 04/06/2016 09:47 AM, Johnny Hughes wrote:
> On 04/05/2016 11:23 PM, kavitha bk wrote:
>> Hi
>>
>> I want to build a small rootfs for 32 bit CentOS to the same I plan to
>> build the entire OS
>> but I see
>> https://wiki.centos.org/HowTos/I_need_the_Kernel_Source
>> kernel_build for 32 bit is not supported . Please let me know anybody has
>> built the same
> 
> Also, if you are just looking for the 32bit kernel, The Source code is here:
> 
> https://git.centos.org/summary/rpms!kernel
> 
> You would:
> 
> 1.  git clone https://git.centos.org/git/rpms/kernel
> 
> 2.  cd kernel
> 
> 3.  git checkout c7
> 
> 4.  get_sources.sh
> 
> 5.  git checkout c7-i686
> 
> Then you would have a full SPECS/ and SOURCES/ directory of the latest
> i686 kernel for CentOS-7.
> 
> If you wanted the SRPM you would do:
> 
> into_srpm.sh
> 
> ==
> NOTE:  get_sources.sh and into_srpm.sh come from this git repo (as do
> other tools for using git.centos.org):
> 
> https://git.centos.org/summary/centos-git-common

For people who would rather have an SRPM to start with, the latest one
can be found on http://buildlogs.centos.org/

In the case of the latest i686 kernel, it is here at the time of this mail:

http://buildlogs.centos.org/c7.1511.u/kernel/20160331160950/3.10.0-327.13.1.el7.i686/

Thanks
Johnny Hughes



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Re: [CentOS] CentOS 7.2 rootfs for i386

[Johnny Hughes]

On 04/05/2016 11:23 PM, kavitha bk wrote:
> Hi
> 
> I want to build a small rootfs for 32 bit CentOS to the same I plan to
> build the entire OS
> but I see
> https://wiki.centos.org/HowTos/I_need_the_Kernel_Source
> kernel_build for 32 bit is not supported . Please let me know anybody has
> built the same

Also, if you are just looking for the 32bit kernel, The Source code is here:

https://git.centos.org/summary/rpms!kernel

You would:

1.  git clone https://git.centos.org/git/rpms/kernel

2.  cd kernel

3.  git checkout c7

4.  get_sources.sh

5.  git checkout c7-i686

Then you would have a full SPECS/ and SOURCES/ directory of the latest
i686 kernel for CentOS-7.

If you wanted the SRPM you would do:

into_srpm.sh

==
NOTE:  get_sources.sh and into_srpm.sh come from this git repo (as do
other tools for using git.centos.org):

https://git.centos.org/summary/centos-git-common







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Re: [CentOS] How to set hostname and domainnmae in CentOS 7?

[Mark Haney]

Not sure about everyone else, but I always put my hostname in /etc/hosts.
Maybe that's from years of not always having DNS available back when the
earth was cooling.


On Apr 5, 2016 16:30, "James Hogarth"  wrote:

> On 5 April 2016 at 20:24, Joe Smithian  wrote:
>
> > We can permanently set hostname using  hostnamectl set-hostname. How can
> we
> > permanently set *domain name* in CentOS 7?
> > I found an article
> > <
> >
> http://unix.stackexchange.com/questions/239920/how-to-set-the-fully-qualified-hostname-on-centos-7-0
> > >
> > that recommended setting FQDN using hostnamectl. Is that the right way to
> > set hostname and domainname at the same time using *hostnamectl
> > set-hostname* command?
> >
> >  Running *hostnamectl set-hostname* will set the hostname in*
> > /etc/hostname*
> > but it doesn't change */etc/hosts*. What's the proper way of adding
> > hostname and FQDN to */etc/hosts *in CentOS 7?
> >
> >
> Technically speaking one shouldn't put the hostname in /etc/hosts as it's
> not required so long as your DNS is working ... which it should be ...
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Re: [CentOS] KVM Virtualization Network VLAN CentOS7

[James Hogarth]

On 6 April 2016 at 15:09, Francis Mendoza 
wrote:

> On Wed, Apr 6, 2016 at 9:47 PM, James Hogarth 
> wrote:
>
> > On 6 Apr 2016 2:35 p.m., "Francis Mendoza" 
> > wrote:
> > >
> > > Im configuring my KVM and in my network configuration I have 4 Network
> > > lancard
> > >
> > > 2 nic = using teaming0 for management with access port configured in
> the
> > > switch side
> > >
> > > 2 nic = using teaming1 for guest VM DATA ports. and in the switch is
> > > configured for LACP with trunk allowing vlan 10,20,30,40,50
> > >
> > > and configured in the CentOS7 the vlan 10, vlan 20,30,40,50 im sure its
> > > already working because I tried to use one vlan and ping was
> successful.
> > >
> > > my question is can I assigned directly the 'team1_vlan10,
> team1_vlan20..
> > > and so on to directly use in my guest VM instead of bridging the
> network
> > > config in the VM.xml file? I tried to google and found only about
> > bridging
> > > it first and could not find the direct connection in the DATA port
> > Teaming1
> > >
> > > Thank you in advance
> > >
> >
> > What you'll need to do is from your team interface create the tagged
> > interfaces. Then create a bridge for each vlan and associate the tagged
> > interface with the bridge.
> >
> > When the guest is connected to that bridge the traffic will then be
> tagged
> > by the vmhost on the way out so you don't need any tagged configuration
> in
> > the guest.
> >
> >
>
> Thanks James I will try to configure the bridge in the vlan.
>


Note that this is pretty much the last use case you cannot use
NetworkManager for but need the legacy network service ... to save you some
pain in trying to configure it ;)
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Re: [CentOS] KVM Virtualization Network VLAN CentOS7

[Francis Mendoza]

On Wed, Apr 6, 2016 at 9:47 PM, James Hogarth 
wrote:

> On 6 Apr 2016 2:35 p.m., "Francis Mendoza" 
> wrote:
> >
> > Im configuring my KVM and in my network configuration I have 4 Network
> > lancard
> >
> > 2 nic = using teaming0 for management with access port configured in the
> > switch side
> >
> > 2 nic = using teaming1 for guest VM DATA ports. and in the switch is
> > configured for LACP with trunk allowing vlan 10,20,30,40,50
> >
> > and configured in the CentOS7 the vlan 10, vlan 20,30,40,50 im sure its
> > already working because I tried to use one vlan and ping was successful.
> >
> > my question is can I assigned directly the 'team1_vlan10, team1_vlan20..
> > and so on to directly use in my guest VM instead of bridging the network
> > config in the VM.xml file? I tried to google and found only about
> bridging
> > it first and could not find the direct connection in the DATA port
> Teaming1
> >
> > Thank you in advance
> >
>
> What you'll need to do is from your team interface create the tagged
> interfaces. Then create a bridge for each vlan and associate the tagged
> interface with the bridge.
>
> When the guest is connected to that bridge the traffic will then be tagged
> by the vmhost on the way out so you don't need any tagged configuration in
> the guest.
>
>

Thanks James I will try to configure the bridge in the vlan.
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Re: [CentOS] CentOS 7.2 rootfs for i386

[Jim Perrin]

On 04/05/2016 11:23 PM, kavitha bk wrote:
> Hi
> 
> I want to build a small rootfs for 32 bit CentOS to the same I plan to
> build the entire OS
> but I see
> https://wiki.centos.org/HowTos/I_need_the_Kernel_Source
> kernel_build for 32 bit is not supported . Please let me know anybody has
> built the same


Upstream removed support for standalone i686 installs, but we've been
building/maintaining it as an alternate architecture similar to arm. You
can find the media here -> http://mirror.centos.org/altarch/7/isos/i386/

What is it specifically you're trying to do?

-- 
Jim Perrin
The CentOS Project | http://www.centos.org
twitter: @BitIntegrity | GPG Key: FA09AD77
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Re: [CentOS] KVM Virtualization Network VLAN CentOS7

[James Hogarth]

On 6 Apr 2016 2:35 p.m., "Francis Mendoza" 
wrote:
>
> Im configuring my KVM and in my network configuration I have 4 Network
> lancard
>
> 2 nic = using teaming0 for management with access port configured in the
> switch side
>
> 2 nic = using teaming1 for guest VM DATA ports. and in the switch is
> configured for LACP with trunk allowing vlan 10,20,30,40,50
>
> and configured in the CentOS7 the vlan 10, vlan 20,30,40,50 im sure its
> already working because I tried to use one vlan and ping was successful.
>
> my question is can I assigned directly the 'team1_vlan10, team1_vlan20..
> and so on to directly use in my guest VM instead of bridging the network
> config in the VM.xml file? I tried to google and found only about bridging
> it first and could not find the direct connection in the DATA port
Teaming1
>
> Thank you in advance
>

What you'll need to do is from your team interface create the tagged
interfaces. Then create a bridge for each vlan and associate the tagged
interface with the bridge.

When the guest is connected to that bridge the traffic will then be tagged
by the vmhost on the way out so you don't need any tagged configuration in
the guest.
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[CentOS] KVM Virtualization Network VLAN CentOS7

[Francis Mendoza]

Im configuring my KVM and in my network configuration I have 4 Network
lancard

2 nic = using teaming0 for management with access port configured in the
switch side

2 nic = using teaming1 for guest VM DATA ports. and in the switch is
configured for LACP with trunk allowing vlan 10,20,30,40,50

and configured in the CentOS7 the vlan 10, vlan 20,30,40,50 im sure its
already working because I tried to use one vlan and ping was successful.

my question is can I assigned directly the 'team1_vlan10, team1_vlan20..
and so on to directly use in my guest VM instead of bridging the network
config in the VM.xml file? I tried to google and found only about bridging
it first and could not find the direct connection in the DATA port Teaming1

Thank you in advance
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[CentOS] CentOS-announce Digest, Vol 134, Issue 4

[centos-announce-request]

Send CentOS-announce mailing list submissions to
centos-annou...@centos.org

To subscribe or unsubscribe via the World Wide Web, visit
https://lists.centos.org/mailman/listinfo/centos-announce
or, via email, send a message with subject or body 'help' to
centos-announce-requ...@centos.org

You can reach the person managing the list at
centos-announce-ow...@centos.org

When replying, please edit your Subject line so it is more specific
than "Re: Contents of CentOS-announce digest..."


Today's Topics:

   1. CESA-2016:0591 Moderate CentOS 6 nspr SecurityUpdate
  (Johnny Hughes)
   2. CESA-2016:0591 Moderate CentOS 6 nss-util Security Update
  (Johnny Hughes)
   3. CESA-2016:0591 Moderate CentOS 6 nss Security Update
  (Johnny Hughes)
   4. CEEA-2016:0593 CentOS 7 libguestfs EnhancementUpdate
  (Johnny Hughes)
   5. CESA-2016:0594 Important CentOS 7 graphite2   Security Update
  (Johnny Hughes)


--

Message: 1
Date: Tue, 5 Apr 2016 12:27:24 +
From: Johnny Hughes 
To: centos-annou...@centos.org
Subject: [CentOS-announce] CESA-2016:0591 Moderate CentOS 6 nspr
SecurityUpdate
Message-ID: <20160405122724.ga26...@n04.lon1.karan.org>
Content-Type: text/plain; charset=us-ascii


CentOS Errata and Security Advisory 2016:0591 Moderate

Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0591.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( sha256sum Filename ) 

i386:
3b223ca6b209603975d7067ca45911b0f61f445196fb4b87e8e30b881ba9c2e5  
nspr-4.11.0-0.1.el6_7.i686.rpm
e9f94771ef76b6bb895aaf2b196e90c1e9c3aafeb11177afc03a21d90be4ad34  
nspr-devel-4.11.0-0.1.el6_7.i686.rpm

x86_64:
3b223ca6b209603975d7067ca45911b0f61f445196fb4b87e8e30b881ba9c2e5  
nspr-4.11.0-0.1.el6_7.i686.rpm
3d109fb2c496edf99f41fd9db08769239caef7758ea6abf118ffe72b1de57c94  
nspr-4.11.0-0.1.el6_7.x86_64.rpm
e9f94771ef76b6bb895aaf2b196e90c1e9c3aafeb11177afc03a21d90be4ad34  
nspr-devel-4.11.0-0.1.el6_7.i686.rpm
14a47d3277db192096307cb88c8072df5b15257db7b352bf731fa54227a46c42  
nspr-devel-4.11.0-0.1.el6_7.x86_64.rpm

Source:
34bfff2b29fc9e980193a8cdc85aa65bae37e6c8e622de0882d0237365aa0c47  
nspr-4.11.0-0.1.el6_7.src.rpm



-- 
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #cen...@irc.freenode.net
Twitter: @JohnnyCentOS



--

Message: 2
Date: Tue, 5 Apr 2016 12:33:02 +
From: Johnny Hughes 
To: centos-annou...@centos.org
Subject: [CentOS-announce] CESA-2016:0591 Moderate CentOS 6 nss-util
Security Update
Message-ID: <20160405123302.ga26...@n04.lon1.karan.org>
Content-Type: text/plain; charset=us-ascii


CentOS Errata and Security Advisory 2016:0591 Moderate

Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0591.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( sha256sum Filename ) 

i386:
be545dfd2d5da2c62a77f9cc2b40987befdb5c5f669782af9c377f0b85484ff0  
nss-util-3.21.0-0.3.el6_7.i686.rpm
56806dccf241355a1b9cba4e1595f54abbe5a5b1f92b9a4d4f5b7d8091bc7325  
nss-util-devel-3.21.0-0.3.el6_7.i686.rpm

x86_64:
be545dfd2d5da2c62a77f9cc2b40987befdb5c5f669782af9c377f0b85484ff0  
nss-util-3.21.0-0.3.el6_7.i686.rpm
a7241304459acb2e2dca19fa7a61f516f2a38aa3e4440d1a2f001de413c54e1f  
nss-util-3.21.0-0.3.el6_7.x86_64.rpm
56806dccf241355a1b9cba4e1595f54abbe5a5b1f92b9a4d4f5b7d8091bc7325  
nss-util-devel-3.21.0-0.3.el6_7.i686.rpm
7cb08f5c7d2c44566206fc7fb5c9dcb380b9ec3e036eecf3bc99ec764e95043e  
nss-util-devel-3.21.0-0.3.el6_7.x86_64.rpm

Source:
3c391ab73bc502dc1a1aa74a1aeda1ddf08aee80c85ed02396808117d1a89ce5  
nss-util-3.21.0-0.3.el6_7.src.rpm



-- 
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #cen...@irc.freenode.net
Twitter: @JohnnyCentOS



--

Message: 3
Date: Tue, 5 Apr 2016 14:21:27 +
From: Johnny Hughes 
To: centos-annou...@centos.org
Subject: [CentOS-announce] CESA-2016:0591 Moderate CentOS 6 nss
SecurityUpdate
Message-ID: <20160405142127.ga28...@n04.lon1.karan.org>
Content-Type: text/plain; charset=us-ascii


CentOS Errata and Security Advisory 2016:0591 Moderate

Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0591.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( sha256sum Filename ) 

i386:
5c8974b2d8730e2967751f835f4646bdf46fa968c29769748219ad426c5140d3  
nss-3.21.0-0.3.el6_7.i686.rpm
f3782c46dfadef016d7afe8d81015c92ca5062e738d225377bfb38904e70708d  
nss-devel-3.21.0-0.3.el6_7.i686.rpm
32b9c62453b3dd45c60985751e36ed30aba93ea2f024b4b08443b7b9438eb5a8  
nss-pkcs11-devel-3.21.0-0.3.el6_7.i686.rpm
7ee7fb2e4107b38d7c03677abb588fdd59b28459fa01a67f1a0bfb159295c688  
nss-sysinit-3.21.0-0.3.el6_7.i686.rpm

Re: [CentOS] www.centos.org/forums/

[Fabian Arrotin]

On 29/03/16 18:09, Fabian Arrotin wrote:
> On 25/03/16 16:08, Steve Clark wrote:
>> Hi List,
>>
>> Does anyone know why the above URL is still using TLS V1.0.
>>
>> I can't connect to it unless I enable TLS V1.0 which I was under the 
>> impression that it should not be used
>> anymore.
>>
>> Thanks for any enlightenment.
>>
>> Steve
>>
> 
> Something that is already on the TODO list, as that's actually the only
> remaining CentOS 5 node, reason why it doesn't support something higher
> than tls 1.0
> The whole setup will be reinstalled/migrated to c7 in the following
> weeks (time permitting).
> 

Just to close that thread : migration of the website/forums was
announced and scheduled for today, and it went live earlier today.
So now you should be able to use TLSv1.2

-- 
Fabian Arrotin
The CentOS Project | http://www.centos.org
gpg key: 56BEC54E | twitter: @arrfab



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