Re: Issue with udev in wheezy -> jessie upgrade

[Wessel Nieboer]

On 07-07-15 23:28, Wessel Nieboer wrote:

Hey all,

Today I tried to do a dist-upgrade of wheezy to jessie, however I am 
very stuck on getting the udev package to install.


The wheezy-backports version of udev, 204, was installed. When trying 
to install the newest 215 from jessie it fails on the following:


dpkg-maintscript-helper: error: couldn't identify the package

when running the post installation script for udev


Entire log can be found here:
http://paste.debian.net/279961

Any help is greatly appreciated! Googling has not yielded any solution 
for me yet.


Kind regards,

Wessel


Thanks for the help, eventually I ended up fixing it by removing the 
input group...


root@weebl:~# groupdel input
root@weebl:~# dpkg --configure udev
Setting up udev (215-17+deb8u1) ...
+ update_hwdb
+ udevadm hwdb --update --usr
+ addgroup --quiet --system input
+ [ -z 175-7.2 ]
+ upgrade_fixes configure 175-7.2

Re: Issue with udev in wheezy -> jessie upgrade

[Wessel Nieboer]

On 08-07-15 00:05, Gary Dale wrote:

On 07/07/15 05:28 PM, Wessel Nieboer wrote:

Hey all,

Today I tried to do a dist-upgrade of wheezy to jessie, however I am 
very stuck on getting the udev package to install.


The wheezy-backports version of udev, 204, was installed. When trying 
to install the newest 215 from jessie it fails on the following:


dpkg-maintscript-helper: error: couldn't identify the package

when running the post installation script for udev


Entire log can be found here:
http://paste.debian.net/279961

Any help is greatly appreciated! Googling has not yielded any 
solution for me yet.


Kind regards,

Wessel


Did you try purging the old package before trying to install the new one?



I ran sudo dpkg -r --force-depends "udev"

and tried reinstalling udev after, but the same error occurs.


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Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[Marc D Ronell]

Thanks for all of the  useful feedback.  Some of the constraints which
were not clear  from my original post are  that the venue specifically
requested that  programming be  included.  I don't  see that as  a bad
thing as long as the programming is a couple of lightweight exercises.
I am  also glad to  see that there  is some healthy discussion  of the
language choice which  might indicate that there is  not necessarily a
best answer.

The library venue does not  have UNIX machines available at this time.
Plus,  I  would like  the  participants to  have  easy  access to  the
environment  outside  of  the  Library's  operating  hours.   Maybe  a
solution  is  to  give  participants  options.  The  Live  CDs  sounds
interesting, but then all configuration  is lost, I think, when the CD
is rebooted?   VMs are also a  good alternative, but in  the past, the
environment was sluggish and peripherals were sometimes a challenge.

I am still  not convinced that $350 will be a  major obstacle.  I have
spent that just on texts years  ago, but realistically cost is a major
concern.  Perhaps  the best  feedback I might  get are  from potential
participants.  Maybe  I can  get some relevant  surveys going  to help
answer some of these questions  for our specific venue.  Your feedback
is really helping  to target the potential survey  questions, I think,
although that was not my original intent.

Thank you so much for all  the great feedback.  It is really helpful I
think.

Regards,

marc



-- 
Marc Ronell, PhD CSE, PE EE
gpg pub key 42E39C86 on http://pgp.mit.edu/
http://pgp.mit.edu/pks/lookup?op=get&search=0x304A2DED42E39C86



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Re: Issue with udev in wheezy -> jessie upgrade

[Gary Dale]

On 07/07/15 05:28 PM, Wessel Nieboer wrote:

Hey all,

Today I tried to do a dist-upgrade of wheezy to jessie, however I am 
very stuck on getting the udev package to install.


The wheezy-backports version of udev, 204, was installed. When trying 
to install the newest 215 from jessie it fails on the following:


dpkg-maintscript-helper: error: couldn't identify the package

when running the post installation script for udev


Entire log can be found here:
http://paste.debian.net/279961

Any help is greatly appreciated! Googling has not yielded any solution 
for me yet.


Kind regards,

Wessel


Did you try purging the old package before trying to install the new one?


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Issue with udev in wheezy -> jessie upgrade

[Wessel Nieboer]

Hey all,

Today I tried to do a dist-upgrade of wheezy to jessie, however I am 
very stuck on getting the udev package to install.


The wheezy-backports version of udev, 204, was installed. When trying to 
install the newest 215 from jessie it fails on the following:


dpkg-maintscript-helper: error: couldn't identify the package

when running the post installation script for udev


Entire log can be found here:
http://paste.debian.net/279961

Any help is greatly appreciated! Googling has not yielded any solution 
for me yet.


Kind regards,

Wessel

Re: Using OpenVPN client with wicd

[James P. Wallen]

On 07/07/2015 03:26 PM, to...@tuxteam.de wrote:
...

I suppose I could set up a server on the home network. That
would protect my traffic from prying eyes when I'm a
visitor on another network, but it wouldn't really keep my
home ISP from snooping on me. Or am I missing something?


There has to be a way to reach your network from outside
(something not all providers offer, alas -- they sometimes
insert traffic filters without telling you), and then you'd
have to "find" the address (something with can be done with
DynDNS). But there's a way to find out.


I have a business account with Comcast, so I have a fixed IP and 
(ostensibly) no filtering. I've used IP forwarding (and even 
port knocking and other weird stuff like that, just for kicks) 
on various routers over the years, so I'm acquainted with the 
process.



Maybe I'm paranoid, but I really don't like the way Comcast
(and many other ISPs) seem to think that they own their
customers.


I think this doesn't have anything to do with paranoia,
rather with dignity and decency.


Yup, that too.

;)

Considering how much Comcast charges for its services, it's 
annoying to find them trying to sell me and my views to every 
nick-and-dime business partner.


Best regards,
JP


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Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[Andrew M.A. Cater]

On Mon, Jul 06, 2015 at 08:12:10PM -0400, Marc D Ronell wrote:
> 
> I am  working toward  teaching a free  introductory class to  teens on
> GNU/Linux  and the  philosophy of  free  software at  the Newton  Free
> Library in MA this coming September.
> 

Get some scrap desktop machines from thrift shops / Red Cross / recycling
centre / local businesses who are scrapping them.
They should come almost free. If they're not working, hold a class or two
on assembling and fixing computers - make one working machine from two scrap
ones. Show them that the insides of a computer are not completely unknown
territory - show people how to replace fans and that sort of thing.

Laptops are really expensive things to start with. Give them live CDs,
a cheap server with VMs, a choice of distributions to play with - Ubuntu and
Debian and CentOS. 

Understanding how to read a simple shell script / Python init scripts - much
more useful than Squeak at this stage. Demonstrating Libreoffice as an 
alternative
to MS Office and that you don't need expensive programs to burn CDs.

$350 may be nothing to you but it's a lot of money for a teenager or his/her 
parents

A good friend did almost exactly this for a year for teenagers at a local 
community
college.


> For the class, the participants  will need access to GNU/Linux.  After
> reviewing   some  options,   including   sdf.org,  virtual   machines,
> Chromebooks,  etc.,  I  am  considering just  asking  participants  to
> purchase a dedicated  laptop and installing the OS.  I  may be able to
> direct students to install fests  in the area before the class starts.
> I am  not sure that this is  the best idea, but  it offers significant
> advantages including a potentially working  box as part of the results
> of the course.
> 
> As a test, I purchased  a laptop (Toshiba Satellite C75-B7180) on sale
> for $350  at our local Microcenter  in Cambridge and was  able to load
> GNU/Linux  for my  son.  I  am  thinking of  working some  programming
> assignments in Squeak (Smalltalk), but  maybe C is a better choice for
> an OS class?
> 
> Has  anyone tried  running a  GNU/Linux  intro class  for teens?   Can
> anyone  share their  experiences, thoughts  or  suggestions?  Feedback
> based on actual experience would be most helpful, I think, but I would
> appreciate any insights.
> 
> Thanks for your thoughts,
> 
> Marc
> 
> -- 
> Marc Ronell, PhD CSE, PE EE
> gpg pub key 42E39C86 on http://pgp.mit.edu/
> http://pgp.mit.edu/pks/lookup?op=get&search=0x304A2DED42E39C86
> 
> 
> 
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Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[Lisi Reisz]

On Tuesday 07 July 2015 10:05:03 shawn wilson wrote:
> I would also teach the system separate from programming. They're both big
> topics and you'll end up overwhelming everyone (yourself included).

Strongly seconded.  I last taught computing to a class of young teens on ZX81s 
in early 1983, but I have taught Linux to teenagers outside class more 
recently.

You need to know what you want to achieve, since it will strongly affect the 
answer.  You need to know at whom it is aimed.  Is this aimed at young geeks 
to increase their geekdom, or at youngsters in general to ween then off the 
idea that if it doesn't run Windows, it isn't a computer?  Is it aimed at 
teenagers, gender random, or boys? 

Then you need to know your audience.  Bore them and you will have lost them.  
It has to be fun.

But you do need a clear idea yourself of the answers to those and similar 
questions.  A muddle is boring.

Lisi


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[solved] Re: Kernel message: `base address not set' at boot

[Rodolfo Medina]

Rodolfo Medina  writes:

> Darac Marjal  writes:
>
>> On Tue, Jul 07, 2015 at 01:23:01PM +0100, Rodolfo Medina wrote:
>>> Hi all.
>>> 
>>> On my old Pentiium III, at boot the following message appears:
>>> 
>>> via686a :00:04.4: base address not set - upgrade BIOS or use
>>> force_addr=0xaddr
>>> 
>>> How can I eliminate it?
>>
>> From the Kernel Documentation:
>> https://www.kernel.org/doc/Documentation/hwmon/via686a
>>
>> Module Parameters
>> -
>>
>> force_addr=0xaddr   Set the I/O base address. Useful for boards that
>> don't set the address in the BIOS. Look for a BIOS
>> upgrade before resorting to this. Does not do a
>> PCI force; the via686a must still be present in 
>> lspci.
>> Don't use this unless the driver complains that the
>> base address is not set.
>> Example: 'modprobe via686a force_addr=0x6000'
>>
>> So, if you need to set this (that is, if a BIOS upgrade is unavailable
>> or does not fix things), create a file /etc/modprobe.d/*.conf, with the
>> contents "options via686a force_addr=0xaddr" (where 0xaddr is an
>> appropriate value).
>
> Thanks, I will.  The file should be modesetting.conf.  But how do I know what
> the appropriate parameter for `0xaddr' will be?
>
> Rodolfo

It seems it is `0x6000': with it, the message didn't appear any more.

Thanks!,

Rodolfo


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Updated CUPS in Jesse 8.1

[Ron Benincasa]

Earlier today (7 July) update manager saw updates for CUPS, I installed it
and now  http://localhost:631/ won't load. As far as I know (Using aptitude
-u) I'm up to date on ALL fixes.
-- 
"This is so abstract, it must be topologically invariant" - Raul Bott

Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[Miles Fidelman]

Matt Ventura wrote:

On 7/6/2015 5:12 PM, Marc D Ronell wrote:

I am  working toward  teaching a free introductory class to  teens on
GNU/Linux  and the  philosophy of  free  software at  the Newton  Free
Library in MA this coming September.



Matt,

The Newton Library has a training room full of computers, and offers a 
variety of computer classes.  You might want to simply ask them if they 
have any thoughts on dual-booting their existing machines, or running 
live CDs or VMs on them.  You might also talk to folks at the Charles 
River Public Internet Center - also a place with lots of machines and 
training rooms - just 4 miles from the Newton Library, might be a good 
alternate venue.


Miles Fidelman (Newton resident)


--
In theory, there is no difference between theory and practice.
In practice, there is.    Yogi Berra


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Einträge aus der sources.list.de entfernen Versuch2

[diana . bettels]

Hallo in die Runde,

 

ergänzend dazu:

 

speziell meine ich diesen Eintrag deb http://security.debian.org/ jessie/updates main contrib non-free in der sources.list.d. Wie bekomme ich den entfernt? Falls ich mich für das Editieren der sources.list.d mittels des Befehls vi entscheiden sollte, wie ist da das Verfahren und mit welchem Befehl muß ich die geänderte sources.list.d dann speichern?

 

Gesendet: Donnerstag, 02. Juli 2015 um 03:31 Uhr
Von: diana.bett...@gmx.de
An: debian-user@lists.debian.org
Betreff: Einträge aus der sources.list.de entfernen



Hallo in die Runde,

 

mit welchen Befehlen lassen sich Einträge aus der sources.list.d entfernen? Wie ist da die genaue Syntax?

 

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Re: cpan module in Jessie

[Erwan David]

Le 07/07/2015 21:27, Joel Roth a écrit :
> On Tue, Jul 07, 2015 at 10:05:38AM +0200, Erwan David wrote:
>> On Tue, Jul 07, 2015 at 08:44:41AM CEST, Erwan David  
>> said:
>>> Hi,
>>>
>>> I need to install the perl module Net::SSH::Expect on a jessie.  Since
>>> it is notpackaged, I tried cpan Net::SSH::Expect It needs the IO::Pty
>>> module, so I installed the libio-pty-perl package.  However the cpan
>>> version of Net:SSH:Expect wants at least IO::Pty 1.11 and the packaged
>>> one is 1.08. So I tried to install it through cpan. It then tells me
>>> it does not find cc (which is /usr/bin/cc).
>>>
>>> What am I doing wrong ?
>>>
>> Sorry for the trouble : I just lacked libc6-dev package. All is working now.
> FWIW, using perlbrew it's relatively easy to have multiple
> perl versions, and switch between them so that you don't end
> up borking the system perl by installing various modules.
> Root privileges are not required. 
>
>

I do not use perl that much. I just had to use a script I was given.
And it was not a problem of perlversion but of some lib version.

However thanks for the tip


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Re: / 100% used

[tomas]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On Tue, Jul 07, 2015 at 10:09:41AM -0500, David Wright wrote:
> Quoting Beco (r...@beco.cc):

[...]

> At this point, you've destroyed your network configuration, but are
> unaware of it unless you try to establish new connections. Your ssh
> connections are running on their original file-descriptors.

This is a lesson I learnt the hard way: if you are doing funky things
and *have* one ssh session running, never let go of it until you
managed to log in via another session. Has saved my behind more than
once since then :-)

- -- t
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dSMAn2yOaXvryhPtbM62Q5xWK/UgZyId
=H5s/
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Re: cpan module in Jessie

[Joel Roth]

On Tue, Jul 07, 2015 at 10:05:38AM +0200, Erwan David wrote:
> On Tue, Jul 07, 2015 at 08:44:41AM CEST, Erwan David  said:
> > Hi,
> > 
> > I need to install the perl module Net::SSH::Expect on a jessie.  Since
> > it is notpackaged, I tried cpan Net::SSH::Expect It needs the IO::Pty
> > module, so I installed the libio-pty-perl package.  However the cpan
> > version of Net:SSH:Expect wants at least IO::Pty 1.11 and the packaged
> > one is 1.08. So I tried to install it through cpan. It then tells me
> > it does not find cc (which is /usr/bin/cc).
> > 
> > What am I doing wrong ?
> > 
> 
> Sorry for the trouble : I just lacked libc6-dev package. All is working now.

FWIW, using perlbrew it's relatively easy to have multiple
perl versions, and switch between them so that you don't end
up borking the system perl by installing various modules.
Root privileges are not required. 


 
> 
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> 

-- 
Joel Roth
  


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Re: Using OpenVPN client with wicd

[tomas]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On Tue, Jul 07, 2015 at 01:32:21PM -0400, James P. Wallen wrote:
> On 07/07/2015 09:23 AM, to...@tuxteam.de wrote:

[...]

> So -- if I understand -- you have control of a server out there on
> the Internet, and that's what makes this work for you.

Right. That rules this out in your case, since the server side is,
as I gather, out of your control.

>I know
> nothing of socat, but it sounds interesting.

Socat is like "nmap on steroids": a way of connecting streams
together -- be it network sockets, stdin, whatever. Quite useful
when deebugging things (as nmap is) -- but also for "production".

>  I suppose I could set
> up a server on the home network. That would protect my traffic from
> prying eyes when I'm a visitor on another network, but it wouldn't
> really keep my home ISP from snooping on me. Or am I missing
> something?

There has to be a way to reach your network from outside (something
not all providers offer, alas -- they sometimes insert traffic
filters without telling you), and then you'd have to "find" the
address (something with can be done with DynDNS). But there's
a way to find out.

> Maybe I'm paranoid, but I really don't like the way Comcast (and
> many other ISPs) seem to think that they own their customers.

I think this doesn't have anything to do with paranoia, rather
with dignity and decency.

> I'm an activist of sorts, and I really do not like how cozy
> businesses and government are about our communications. Some of the
> people I communicate with have suffered greatly at the hands of
> various governments, and I don't want to take any more risk with
> their rights than is absolutely necessary when we contact each
> other.

Definitely.

[...]

> Yes, I do prefer light(er) weight, but magic and ease of use are
> nice, too.

Ah, the embarrasment of riches, I know, I know :-)

> Again, thank you.

The pleasure's on my side.

regards
- -- tomás
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Re: Using OpenVPN client with wicd

[James P. Wallen]

On 07/07/2015 09:23 AM, to...@tuxteam.de wrote:

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1

On Tue, Jul 07, 2015 at 07:55:26AM -0400, James P. Wallen
wrote:

[...]


Hi, Tomas! Thanks for your reply.


I wish I cold've been more helpful, but hey, you're welcome.


No, my issue has nothing to do with corporate firewalls
[...]



Network-manager, as you're aware, has plugins for various
types of VPN software. It's easy to use, but it just seems
to be awfully large and, occasionally, a little
trouble-prone compared to wicd.


This was my impression too. Since I tend for "simple", I try
to avoid NM altogether.


I could generally just use /etc/network/interfaces and
associated stuff, but was looking for a fiddle-free way to
make my connections when I'm moving around while still
enabling me to use OpenVPN.


Understood.


[...]  I want to see if I can figure out
how to use OpenVPN from the CLI or via script using a
certificate and password to connect to my favorite VPN out
on the Internet.


I see.

Again, that's what I'm doing with socat: on the server
there's a socat process running as server (duh ;) -- which
unwraps the SSL layer and feeds its thing to the ssh server;
on the client, a socat opens a local port and I connect my
ssh client (courtesy of .ssh/config magic) to that: the socat
wraps it in SSL and connects to the server: voilà -- a VPN.
To the outside world it looks like any HTTPS connection.
Since I have my own certificates, I (hope!) would notice any
attempt at MITM.


So -- if I understand -- you have control of a server out there 
on the Internet, and that's what makes this work for you. I know 
nothing of socat, but it sounds interesting. I suppose I could 
set up a server on the home network. That would protect my 
traffic from prying eyes when I'm a visitor on another network, 
but it wouldn't really keep my home ISP from snooping on me. Or 
am I missing something?


Maybe I'm paranoid, but I really don't like the way Comcast (and 
many other ISPs) seem to think that they own their customers.


I'm an activist of sorts, and I really do not like how cozy 
businesses and government are about our communications. Some of 
the people I communicate with have suffered greatly at the hands 
of various governments, and I don't want to take any more risk 
with their rights than is absolutely necessary when we contact 
each other.




What turned me away from OpenVPN was that it wanted to be a
service started at boot time, with all that; besides it
wants to do magic to the routing tables and so on.

A tad too heavyweight for my taste.

But of course, it does many things automagically you'd
otherwise have to script.



Yes, I do prefer light(er) weight, but magic and ease of use are 
nice, too.


Again, thank you.

JP


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Re: Using OpenVPN client with wicd

[James P. Wallen]

On 07/07/2015 08:34 AM, Petter Adsen wrote:

On Tue, 07 Jul 2015 07:55:26 -0400 "James P. Wallen"
 wrote:




On 07/07/2015 04:25 AM, to...@tuxteam.de wrote:

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1

On Mon, Jul 06, 2015 at 04:23:28PM -0400, James P.
Wallen wrote:

[...]


If any of you has managed to do this in conjunction
with wicd, I'd really appreciate a pointer to
information to help me get started. The man pages are
kicking me in the boinloins.


FWIW -- I set up OpenVPN (don't like it much[1], but had
to) without either NetworkManager nor wicd. What's the
functionality you expect from those? Automatic route
setting?

- - - - - - - - - [1] What do I do when I have to pierce
the corp firewall? Just use socat on both sides, port 443
(corp firewalls believe in numbers), TLS encapsulated
(don't know if they do deep packet inspection and don't
want to find out). Yes, some consider me weird.



Hi, Tomas! Thanks for your reply.

No, my issue has nothing to do with corporate firewalls.
I'm retired and go to places like libraries and coffee
shops and hospitals where I connect to guest networks. I
just use the Internet-located VPN to encrypt my connection
through the AP and to prevent tracking by the service
provider. At home I also use it for the same reasons.

Network-manager, as you're aware, has plugins for various
types of VPN software. It's easy to use, but it just seems
to be awfully large and, occasionally, a little
trouble-prone compared to wicd.

I could generally just use /etc/network/interfaces and
associated stuff, but was looking for a fiddle-free way to
make my connections when I'm moving around while still
enabling me to use OpenVPN.

As I said, just about every write-up on using OpenVPN I can
find tells me how to set up the server. Not what I want.
All of the write-ups on OpenVPN client I've found tell me
a) how to use OpenVPN with network-manager, or b) how to
import a setup. Neither of those is of any use to me. I
want to see if I can figure out how to use OpenVPN from the
CLI or via script using a certificate and password to
connect to my favorite VPN out on the Internet.

Again, thank you for your reply.

JP




https://wiki.debian.org/OpenVPN

Have you seen this? It doesn't contain anything particular to
wicd, but you could use what is there to set up a script.

There are a few links at the bottom that might also be of
help.

Petter



Thank you, Petter.

I'll try following that document through to a conclusion. I 
should always remember to look at the debian.org onlin 
documentation first.


However, the explanations seem to lean heavily toward explaining 
how to set up a server and a client, so I have to try to pick 
out carefully how to just do what I want to do.


I just need to connect a client to a publicly available VPN over 
which I have no control. It surprises me that I haven't seen a 
simple howto for that. Surely there are lots of people who use 
such "private VPNs" but who don't want to use network-manager.


Still, I may be able to piece together what I need to build 
scripts from the debian.org page. I remember that wicd has a 
provision for launching scripts following establishment of a 
network connection, so I may be able to use that capability to 
get what I want.


Thank you for the pointer!

JP


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Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[Matt Ventura]

On 7/6/2015 5:12 PM, Marc D Ronell wrote:

I am  working toward  teaching a free  introductory class to  teens on
GNU/Linux  and the  philosophy of  free  software at  the Newton  Free
Library in MA this coming September.

For the class, the participants  will need access to GNU/Linux.  After
reviewing   some  options,   including   sdf.org,  virtual   machines,
Chromebooks,  etc.,  I  am  considering just  asking  participants  to
purchase a dedicated  laptop and installing the OS.  I  may be able to
direct students to install fests  in the area before the class starts.
I am  not sure that this is  the best idea, but  it offers significant
advantages including a potentially working  box as part of the results
of the course.

As a test, I purchased  a laptop (Toshiba Satellite C75-B7180) on sale
for $350  at our local Microcenter  in Cambridge and was  able to load
GNU/Linux  for my  son.  I  am  thinking of  working some  programming
assignments in Squeak (Smalltalk), but  maybe C is a better choice for
an OS class?

Has  anyone tried  running a  GNU/Linux  intro class  for teens?   Can
anyone  share their  experiences, thoughts  or  suggestions?  Feedback
based on actual experience would be most helpful, I think, but I would
appreciate any insights.

Thanks for your thoughts,

Marc


May I ask why you decided against virtualization? It might be something
that can be worked around.

Matt Ventura


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Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[Sven Arvidsson]

> Raspberry Pi (2?) is a good idea. It is made for that.
> Dual boot is really risky for newbies. What about running debian in 
> VMware player or virtualbox?

+ 1

Pi 2 runs vanilla Debian (custom kernel)!

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Re: / 100% used

[David Wright]

Quoting Beco (r...@beco.cc):

> Hi guys,
> I'll report actions in order now:
> 
> - Upgrade from wheezy to jessie yesterday nigh. No problems during upgrade.

I would question the wisdom of performing a distribution upgrade
remotely when you normally have physical access to the machine.

"No problems during upgrade" just means the software installed,
not that it's all going to work together faultlessly.

> - Today email from users telling system is not usable (but online and you 
> could
> login)

In another thread, I have reported a fresh jessie installation that
would boot 50% of the time into a system that gave no console access,
but where the system was partially usuable through ssh.

> - After inquiring the logs, I saw syslog with what seems to be 3 problems,
> spamming the logs
>   * networkmanager reporting wpa_supplicant 
>   * wpa_supplicant trying to setup wlan0
>   * kernel attempting to load rt2860.bin

In my case, for whatever reason, the binfmt_misc kernel module didn't
get loaded automatically. Being a laptop, there wasn't time enough for
the logs to fill up with
host systemd[1]: Looping too fast. Throttling execution a little.
messages every 3 seconds. (I now load it from /etc/modules.)

> Status: system could not create any files. I could not apt-get install lshw,
> for instance. Users (students) could not run "gcc" to compile, due to lack of
> resources.
> 
> System is remote, using "ssh" to solve problems.
> 
> 1st action: a loop created with a bash command:
> # while true; do echo clean syslog; cat /dev/null > syslog ; sleep 10; done
> 
> This would allow me to see whats happening. I could install lshw.

[snipped diagnostics determining it has a wireless device]

Presumably wheezy wasn't using the wireless device, but you (and other
users) were always connecting through eth0. Presumably you were also
configuring eth0 with network-manager, hence its inclusion in jessie
after the upgrade.

> 2nd action:
> 
>  # apt-get remove wpasupplicant
> 
> System stabilized. I let all my ssh sessions on, and went to grab a bite. (Not
> lunched today yet).

By "stabilized", I assume you mean that the logs were no longer
filling up and so you syslog cleaner was no longer necessary.

At this point, you've destroyed your network configuration, but are
unaware of it unless you try to establish new connections. Your ssh
connections are running on their original file-descriptors.

> - OH BOY SECTION!!
> 
> Just to come back and see all sessions kicked out. System not accessible
> anymore.
> 
> Ping was ok. But no connection. Ping was problably ok because a server before
> mine should be answering the pings.
> 
> Any ssh give me time out! Oh, boy! So the worst came true: I needed physical
> access to a server in my room, sunday night. There I went. Drove there, all
> dark and empty. Sysadmins life.
> 
> There I saw the Network-Manager icon (KDE) was not active. Well, I downloaded
> the wpasupplicant package using my notebook, passed via pendrive to the 
> server,
> reinstalled it.

As Pascal explained, network-manager wouldn't be installed without
wpasupplicant installed. Not having used network-manager, I wouldn't
know the steps necessary to bring it back up, but at the very least it
would need reinstalling. The config files should still be there.

> 3rd action:
> 
> Nothing working. Tried ifup, not recognized. Then I remember I had commented
> some lines before, in /etc/network/interfaces. I dis-commented this line:
> 
> ---
> iface eth0 inet dhcp
> ---
> 
> And #ifup eth0
> 
> All running. I needed to get out there, because the gate's keeper was not
> happy.

So now, network-manager and wpasupplicant are no longer required for
networking to run.

> Back to my home, now I think the server is running "ok".
> 
> I need to figure out what is wrong, and if there is a better solution. Because
> I can't make sense of what just happened as reported above.
> 
> In my understanding, I was supposed to let Network-manager run the game. Not
> wpa_supplicant, and not "ifup".

Well, its your choice whether you use network-manager or not. My
"server" at home runs eth0 through wicd, but that's just for
uniformity across all my machines: laptops and wired and wireless
desktops. If the ethernet breaks down, I can just plug in a
wifi USB.

> Now I don't know where is Network-manager. wpa_supplicant was gone, and back
> again. System is stable. And "ifup" is configured.

I would expect to now see   dpkg -l   report
rc network-manager ...
ii wpasupplicant ...

> Last action:  (Pascal's suggestion)
> I added the referred [firmware -> module] to the blacklist
> 
> Just in case

Fair enough.

> So, where I am now after such modifications?!
> 
> Tomorrow I'll have full access to the server, and hopefully no gatekeeper in 
> my
> back, so I'll have some time.
> 
> Should I research for Network-Manager? Comment back this "ifup" ?

I would purge network-manager and wpasupplicant so you don't confuse
the system or your

Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[Bob Bernstein]

On Mon, 6 Jul 2015, Marc D Ronell wrote:

For the class, the participants will need access to 
GNU/Linux.  After reviewing some options, including 
sdf.org...


FWIW, sdf.org is a NetBSD operation.


--
"No matter how big the problem is, you can always run 
away from it."


 Dom Irrera


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Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[Bob Bernstein]

On Mon, 6 Jul 2015, Marc D Ronell wrote:

I am working toward teaching a free introductory 
class to teens on GNU/Linux and the philosophy of 
free software at the Newton Free Library in MA this 
coming September.


Oh my, that is a tantalizing menu! GNU/Linux
AND philosophy!

Starting, as you are, to eke out a brand new project 
that's never been attempted before, I can't imagine 
how exciting all this must be for you.


Seeing that no one has ever attempted such a thing 
before, it's not as if you can google, say "linux 
teenagers teach" and get any good feedback from that 
quarter.


No doubt the childrens' parents will be thrilled that 
you have volunteered hundreds of their dollars towards 
your course, in the form of laptops that eventually 
someone will have to reinstall Windows on, or elsewise 
retrieve from their (as has been noted in this thread) 
recently-bricked state.


Of course, in the Garden City (Newton, MA), mere 
hundreds of dollars are a pittance, on a par with bus 
fare, but I don't think buses run in Newton anymore, 
do they?


Best of luck,


OH! I almost forgot:
http://www.google.com/search?q="linux teenagers teach"




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moment by some peculiarly obtrusive element in the 
outer world, but lapsing again quickly into the happy 
somnolence of imagination.


Russell


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Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[ken]

On 07/06/2015 08:12 PM, Marc D Ronell wrote:


I am  working toward  teaching a free  introductory class to  teens on
GNU/Linux  and the  philosophy of  free  software at  the Newton  Free
Library in MA this coming September.

For the class, the participants  will need access to GNU/Linux.  After
reviewing   some  options,   including   sdf.org,  virtual   machines,
Chromebooks,  etc.,  I  am  considering just  asking  participants  to
purchase a dedicated  laptop and installing the OS.  I  may be able to
direct students to install fests  in the area before the class starts.
I am  not sure that this is  the best idea, but  it offers significant
advantages including a potentially working  box as part of the results
of the course.

As a test, I purchased  a laptop (Toshiba Satellite C75-B7180) on sale
for $350  at our local Microcenter  in Cambridge and was  able to load
GNU/Linux  for my  son.  I  am  thinking of  working some  programming
assignments in Squeak (Smalltalk), but  maybe C is a better choice for
an OS class?

Has  anyone tried  running a  GNU/Linux  intro class  for teens?   Can
anyone  share their  experiences, thoughts  or  suggestions?  Feedback
based on actual experience would be most helpful, I think, but I would
appreciate any insights.

Thanks for your thoughts,

Marc


Having watched what newbies-- and experienced computer users-- get 
confused or clueless about, and having designed and taught CS and 
programming courses at various levels, I guess I could say I've been 
down this road before.


As concerns hardware, I'm going to assume that the school has a computer 
lab.  You'll need to have a look at it to see what's there.  But if at 
all possible, I'd use a Raspberry Pi as a platform.  Installation of the 
OS is easy.  Students can get more than one memory card and so boot up a 
completely different system just by swapping the card.  And of course 
it's cheap.  If students' spending $350 for a laptop for this class is 
in the realm of possibility, then buying peripherals for home use 
certainly would be.  But it's likely that they already have most, if not 
all, of the peripherals at home already.


As an alternative to logging into the Pi directly-- and/or in addition 
to it--, your students could log into their Pi's remotely (even from a 
Windows or Mac).  This in itself would be a good learning experience for 
them as well as reduce hardware they'd need.


As for course content, I'd emphasize visiting a lot of rudimentary 
systems work and so then too much of the terminology... in a practical 
way.  The first class, after installing the OS, I would start with the 
basic unix/linux/gnu  commands: ls, cat,  less, rm, mkdir, rmdir, file, 
cd, pwd.  They'll need to know some editor they can use in a terminal 
window; vi is the obvious choice and the most used.  So they should at 
least know what vi is, even if you think it's too quirky of an editor 
and decide to use something else.  So they don't think it's going to 
*all* command line stuff  (though a lot will be) have them launch GUIs 
for email and web browsing and perhaps other apps they well understand 
already.  Show them too the terminal-friendly mail and web apps.  These 
might be useful later  on.


Then explain the client/server and have them set up a web server and 
mail server and use them-- their own and each other's.  These should 
already be installed and pretty much configured for them.  I'd think 
they'd find it pretty cool to have their own web servers (accessible to 
others in the class via IP address).  If they can send email to 
themselves, great.  Even better if they can send email to each other, 
again, just using their userid and IP addess.


This will bring up the topic of networking, IP addressing, what a DNS 
and DHCP are, remote applications, remote login, the notions of local 
and remote, different network protocols, and commands to look at and 
exercise these... ping, telnet, ssh, scp, traceroute, nmap, etc.  It 
would be great if the students could routinely have all their machines 
on one network for this.  (If the lab doesn't have a large enough 
switch-- with enough RJ45s--, the students might need to get a $9 wifi 
dongle for their RPi's.)  They should know a little about the init 
process, just to see who the system as a whole gets started up, and show 
them where the log files are and what they look like (a good time for 
the 'tail' command).  This of course will bring out the topic of 
security, the difference between a regular user and root, groups, and 
all the permissions and how to set them.  Have them set up accounts on 
each other's machines just so that they know firsthand about remote 
login.  You've already showed them 'ls' at the beginning; now they'll 
see the importance of 'ls -l'.  Have them change httpd.conf to allow the 
students to create web pages on each others' servers.  First they can do 
a simple text file.  Give them five minutes on basic html tags and let 
them create be

Re: [solved] Re: Message at boot: `A start job is running for LSB: Raise network interfaces'

[Rodolfo Medina]

Christian Seiler  writes:

> Am 2015-07-07 14:19, schrieb Rodolfo Medina:
>>> You have an interface configured to use WPA and DHCP. This *WILL* take a
>>> few seconds. First, your adapter needs to find the Access Point,
>>> establish a connection and authenticate using the pre-shared key. Only
>>> once that link is established, can the DHCP sequence begin. This
>>> involves broadcasting a request packet and then listening for several
>>> seconds (this is repeated at varying intervals). Once an acceptable
>>> acknowledgement packet is received, then hook scripts are run to set IP,
>>> DNS, NTP etc. Only once they are done, can the interface be considered
>>> "ready".
>>
>> I see.  But on another machine of mine, I have the same configuration and
>> the problem doesn't occur.
>
> Well, it depends on how long the interface setup takes: some
> hardware and driver combinations just might take a bit longer than
> others to set everything up.
>
> systemd has a built-in timeout that if it has to wait longer than
> X seconds (X being 10 or 15 or so) for a job to complete, it will
> display some information so that the user has an idea of what's
> going on with their system (default job timeout before systemd
> considers a job failed is 90s, and many people might think their
> system to already have crashed, were they forced to wait that long
> before seeing any output).

I see.

> Note that since you now use allow-hotplug, be aware that you should
> be careful with that: if you have ANY boot service that requires an
> active network interface, they won't work anymore, even if the setup
> of the interface is fast, since systemd will then not order anything
> relative to network availability anymore. So if you have NFS
> filesystems or similar: don't use allow-hotplug, always use auto!
>
> Christian

It shouldn't be my case.  Anyway, thanks for your warning for the future.

Rodolfo


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Re: Missing text characters

[Laverne Schrock]

On Mon, 2015-07-06 at 23:52 -0400, Louis Wust wrote:
> On Mon, Jul 6, 2015, at 18:11, Gábor Hársfalvi wrote:
> > Sorry - I give you another picture - which may shows more. The other
> > picture I sent has got the missing text on the top panel - Terminal.
> 
> OK, so at some point the correct title is displayed for the terminal
> window. But when does the title change to "nix nix" like it was in
> your first screenshot? Is there some action that you can take to cause
> that to happen?
> 
> Also, are the letters in "Terminal" always missing? In other words, does
> the top bar always say "Te  in  " ? Or is there something that you do to
> cause the top bar to change from "Terminal" to "Te  in  " ?
> 
> I'm trying to figure out if the issue is reproducible. If we don't
> figure out what condition causes the letters to disappear, the problem
> will be much harder to debug.

I have a desktop PC running Jessie and Gnome that has this issue
occasionally. The Gnome elements stop displaying some of the letters. I
have been too lazy to determine *when* it starts. I've also been too
lazy/busy to open a bug report or even to check if one already exists.

(I'm writing this from my laptop right now. I can't remember if the
issue occurs on this rig or not. If it does it is rather rare.)

-Laverne



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Re: Kernel message: `base address not set' at boot

[Rodolfo Medina]

Darac Marjal  writes:

> On Tue, Jul 07, 2015 at 01:23:01PM +0100, Rodolfo Medina wrote:
>> Hi all.
>> 
>> On my old Pentiium III, at boot the following message appears:
>> 
>> via686a :00:04.4: base address not set - upgrade BIOS or use
>> force_addr=0xaddr
>> 
>> How can I eliminate it?
>
> From the Kernel Documentation:
> https://www.kernel.org/doc/Documentation/hwmon/via686a
>
> Module Parameters
> -
>
> force_addr=0xaddr   Set the I/O base address. Useful for boards that
> don't set the address in the BIOS. Look for a BIOS
> upgrade before resorting to this. Does not do a
> PCI force; the via686a must still be present in lspci.
> Don't use this unless the driver complains that the
> base address is not set.
> Example: 'modprobe via686a force_addr=0x6000'
>
> So, if you need to set this (that is, if a BIOS upgrade is unavailable
> or does not fix things), create a file /etc/modprobe.d/*.conf, with the
> contents "options via686a force_addr=0xaddr" (where 0xaddr is an
> appropriate value).

Thanks, I will.  The file should be modesetting.conf.  But how do I know what
the appropriate parameter for `0xaddr' will be?

Rodolfo


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Re: Using OpenVPN client with wicd

[tomas]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On Tue, Jul 07, 2015 at 07:55:26AM -0400, James P. Wallen wrote:

[...]

> Hi, Tomas! Thanks for your reply.

I wish I cold've been more helpful, but hey, you're welcome.

> No, my issue has nothing to do with corporate firewalls [...]

> Network-manager, as you're aware, has plugins for various types of
> VPN software. It's easy to use, but it just seems to be awfully
> large and, occasionally, a little trouble-prone compared to wicd.

This was my impression too. Since I tend for "simple", I try to
avoid NM altogether.

> I could generally just use /etc/network/interfaces and associated
> stuff, but was looking for a fiddle-free way to make my connections
> when I'm moving around while still enabling me to use OpenVPN.

Understood.

> [...]  I want to see if I can figure out how to use
> OpenVPN from the CLI or via script using a certificate and password
> to connect to my favorite VPN out on the Internet.

I see.

Again, that's what I'm doing with socat: on the server there's a
socat process running as server (duh ;) -- which unwraps the SSL
layer and feeds its thing to the ssh server; on the client, a
socat opens a local port and I connect my ssh client (courtesy
of .ssh/config magic) to that: the socat wraps it in SSL and
connects to the server: voilà -- a VPN. To the outside world
it looks like any HTTPS connection. Since I have my own certificates,
I (hope!) would notice any attempt at MITM.

What turned me away from OpenVPN was that it wanted to be a
service started at boot time, with all that; besides it wants
to do magic to the routing tables and so on.

A tad too heavyweight for my taste.

But of course, it does many things automagically you'd otherwise
have to script.

Regards
- -- tomás
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Re: Kernel message: `base address not set' at boot

[Darac Marjal]

On Tue, Jul 07, 2015 at 01:23:01PM +0100, Rodolfo Medina wrote:
> Hi all.
> 
> On my old Pentiium III, at boot the following message appears:
> 
> via686a :00:04.4: base address not set - upgrade BIOS or use 
> force_addr=0xaddr
> 
> How can I eliminate it?

From the Kernel Documentation:
https://www.kernel.org/doc/Documentation/hwmon/via686a

Module Parameters
-

force_addr=0xaddr   Set the I/O base address. Useful for boards that
don't set the address in the BIOS. Look for a BIOS
upgrade before resorting to this. Does not do a
PCI force; the via686a must still be present in lspci.
Don't use this unless the driver complains that the
base address is not set.
Example: 'modprobe via686a force_addr=0x6000'

So, if you need to set this (that is, if a BIOS upgrade is unavailable
or does not fix things), create a file /etc/modprobe.d/*.conf, with the
contents "options via686a force_addr=0xaddr" (where 0xaddr is an
appropriate value).

> 
> Thanks for any help,
> 
> Rodolfo
> 
> 
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Re: [solved] Re: Message at boot: `A start job is running for LSB: Raise network interfaces'

[Christian Seiler]

Am 2015-07-07 14:19, schrieb Rodolfo Medina:
You have an interface configured to use WPA and DHCP. This *WILL* 
take a

few seconds. First, your adapter needs to find the Access Point,
establish a connection and authenticate using the pre-shared key. 
Only

once that link is established, can the DHCP sequence begin. This
involves broadcasting a request packet and then listening for 
several

seconds (this is repeated at varying intervals). Once an acceptable
acknowledgement packet is received, then hook scripts are run to set 
IP,
DNS, NTP etc. Only once they are done, can the interface be 
considered

"ready".


I see.  But on another machine of mine, I have the same configuration 
and the

problem doesn't occur.


Well, it depends on how long the interface setup takes: some
hardware and driver combinations just might take a bit longer than
others to set everything up.

systemd has a built-in timeout that if it has to wait longer than
X seconds (X being 10 or 15 or so) for a job to complete, it will
display some information so that the user has an idea of what's
going on with their system (default job timeout before systemd
considers a job failed is 90s, and many people might think their
system to already have crashed, were they forced to wait that long
before seeing any output).

Note that since you now use allow-hotplug, be aware that you should
be careful with that: if you have ANY boot service that requires an
active network interface, they won't work anymore, even if the setup
of the interface is fast, since systemd will then not order anything
relative to network availability anymore. So if you have NFS
filesystems or similar: don't use allow-hotplug, always use auto!

Christian


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Re: Using OpenVPN client with wicd

[Petter Adsen]

On Tue, 07 Jul 2015 07:55:26 -0400
"James P. Wallen"  wrote:

> 
> 
> On 07/07/2015 04:25 AM, to...@tuxteam.de wrote:
> > -BEGIN PGP SIGNED MESSAGE- Hash: SHA1
> >
> > On Mon, Jul 06, 2015 at 04:23:28PM -0400, James P. Wallen
> > wrote:
> >
> > [...]
> >
> >> If any of you has managed to do this in conjunction with
> >> wicd, I'd really appreciate a pointer to information to
> >> help me get started. The man pages are kicking me in the
> >> boinloins.
> >
> > FWIW -- I set up OpenVPN (don't like it much[1], but had to)
> > without either NetworkManager nor wicd. What's the
> > functionality you expect from those? Automatic route
> > setting?
> >
> > - - - - - - - - - [1] What do I do when I have to pierce the
> > corp firewall? Just use socat on both sides, port 443 (corp
> > firewalls believe in numbers), TLS encapsulated (don't know
> > if they do deep packet inspection and don't want to find
> > out). Yes, some consider me weird.
> >
> 
> Hi, Tomas! Thanks for your reply.
> 
> No, my issue has nothing to do with corporate firewalls. I'm 
> retired and go to places like libraries and coffee shops and 
> hospitals where I connect to guest networks. I just use the 
> Internet-located VPN to encrypt my connection through the AP and 
> to prevent tracking by the service provider. At home I also use 
> it for the same reasons.
> 
> Network-manager, as you're aware, has plugins for various types 
> of VPN software. It's easy to use, but it just seems to be 
> awfully large and, occasionally, a little trouble-prone compared 
> to wicd.
> 
> I could generally just use /etc/network/interfaces and 
> associated stuff, but was looking for a fiddle-free way to make 
> my connections when I'm moving around while still enabling me to 
> use OpenVPN.
> 
> As I said, just about every write-up on using OpenVPN I can find 
> tells me how to set up the server. Not what I want. All of the 
> write-ups on OpenVPN client I've found tell me a) how to use 
> OpenVPN with network-manager, or b) how to import a setup. 
> Neither of those is of any use to me. I want to see if I can 
> figure out how to use OpenVPN from the CLI or via script using a 
> certificate and password to connect to my favorite VPN out on 
> the Internet.
> 
> Again, thank you for your reply.
> 
> JP
> 
> 

https://wiki.debian.org/OpenVPN

Have you seen this? It doesn't contain anything particular to wicd, but
you could use what is there to set up a script.

There are a few links at the bottom that might also be of help.

Petter

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"Are you sure?"
"I'm positive."


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Kernel message: `base address not set' at boot

[Rodolfo Medina]

Hi all.

On my old Pentiium III, at boot the following message appears:

via686a :00:04.4: base address not set - upgrade BIOS or use 
force_addr=0xaddr

How can I eliminate it?

Thanks for any help,

Rodolfo


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[solved] Re: Message at boot: `A start job is running for LSB: Raise network interfaces'

[Rodolfo Medina]

Darac Marjal  writes:

> On Tue, Jul 07, 2015 at 10:44:29AM +0100, Rodolfo Medina wrote:
>> Hi all Debian users.
>> 
>> On my old Pentium III, at boot, a message similar to:
>> 
>>  A start job is running for LSB: Raise network interfaces
>> 
>> appears for some seconds, accompanied with a sort of red lightening.  In
>> Google I saw some similar cases and they were solved commenting out
>> particular lines in /etc/network/interfaces, but non of them is suitable for
>> my case.  Here's my /etc/network/interfaces:
>> 
>> --
>> # This file describes the network interfaces available on your system
>> # and how to activate them. For more information, see interfaces(5).
>> 
>> source /etc/network/interfaces.d/*
>> 
>> # The loopback network interface
>> auto lo
>> iface lo inet loopback
>> 
>> # my wifi device
>> auto wlx14cc20116af7
>> iface wlx14cc20116af7 inet dhcp
>> wpa-ssid my-ssid
>> wpa-psk my-password
>> --
>> 
>> .  I wish that message disappeared.  Please help.
>
> You have an interface configured to use WPA and DHCP. This *WILL* take a
> few seconds. First, your adapter needs to find the Access Point,
> establish a connection and authenticate using the pre-shared key. Only
> once that link is established, can the DHCP sequence begin. This
> involves broadcasting a request packet and then listening for several
> seconds (this is repeated at varying intervals). Once an acceptable
> acknowledgement packet is received, then hook scripts are run to set IP,
> DNS, NTP etc. Only once they are done, can the interface be considered
> "ready".

I see.  But on another machine of mine, I have the same configuration and the
problem doesn't occur.

> You MIGHT be able to hide the message for a little bit by setting the
> interface from "auto wlx..." to "allow-hotplug wlx...". I believe this
> will lower the priority of the interface such that it is not critical to
> the booting of the system. "auto" tells the system that it must bring up
> the interface (and any services that depend on networking will thus wait
> for that to happen), whereas "allow-hotplug" says that the system MAY
> bring up the interface when it appears (however, services that depend on
> networking may or may not have an issue with only 'lo' being up).

This seems to work.  Thanks!

Rodolfo


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Re: Using OpenVPN client with wicd

[James P. Wallen]

On 07/07/2015 04:25 AM, to...@tuxteam.de wrote:

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1

On Mon, Jul 06, 2015 at 04:23:28PM -0400, James P. Wallen
wrote:

[...]


If any of you has managed to do this in conjunction with
wicd, I'd really appreciate a pointer to information to
help me get started. The man pages are kicking me in the
boinloins.


FWIW -- I set up OpenVPN (don't like it much[1], but had to)
without either NetworkManager nor wicd. What's the
functionality you expect from those? Automatic route
setting?

- - - - - - - - - [1] What do I do when I have to pierce the
corp firewall? Just use socat on both sides, port 443 (corp
firewalls believe in numbers), TLS encapsulated (don't know
if they do deep packet inspection and don't want to find
out). Yes, some consider me weird.



Hi, Tomas! Thanks for your reply.

No, my issue has nothing to do with corporate firewalls. I'm 
retired and go to places like libraries and coffee shops and 
hospitals where I connect to guest networks. I just use the 
Internet-located VPN to encrypt my connection through the AP and 
to prevent tracking by the service provider. At home I also use 
it for the same reasons.


Network-manager, as you're aware, has plugins for various types 
of VPN software. It's easy to use, but it just seems to be 
awfully large and, occasionally, a little trouble-prone compared 
to wicd.


I could generally just use /etc/network/interfaces and 
associated stuff, but was looking for a fiddle-free way to make 
my connections when I'm moving around while still enabling me to 
use OpenVPN.


As I said, just about every write-up on using OpenVPN I can find 
tells me how to set up the server. Not what I want. All of the 
write-ups on OpenVPN client I've found tell me a) how to use 
OpenVPN with network-manager, or b) how to import a setup. 
Neither of those is of any use to me. I want to see if I can 
figure out how to use OpenVPN from the CLI or via script using a 
certificate and password to connect to my favorite VPN out on 
the Internet.


Again, thank you for your reply.

JP


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Re: XFCE and screensavers

[Celejar]

On Tue, 7 Jul 2015 09:15:57 +0200
Petter Adsen  wrote:

...

> AFAIK, Xfce does not have a screensaver as such (if you mean
> animations and/or pictures and such), it just blanks and turns the
> screen off. The settings are under Settings -> Power Manager -> Display.
> 
> If you want more functionality than that, I would try something like
> xscreensaver. You might want to disable Xfce power management of the
> display for that to work properly, I have never tried.

> If you want a screen locker, one that works well with Xfce (provided
> you use lightdm) is light-locker.

I use xscreensaver with Xfce (no dm) for both "screen saving" and
screen locking - works fine.

Celejar


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Re: Logrotate failure SOLVED

[Tony van der Hoff]

On 07/07/15 09:24, Darac Marjal wrote:
> On Mon, Jul 06, 2015 at 06:16:37PM +0100, Tony van der Hoff wrote:
>> Since installing Jessie from scratch on this laptop, I'm getting a
>> nightly error message from logrotate:
>>
> 
>>  if [ -z "`$MYADMIN ping 2>/dev/null`" ]; then
> 
> This pings mysql, if there's no response, then the following lines
> happen.
> 
>># Really no mysqld or rather a missing debian-sys-maint user?
>># If this occurs and is not a error please report a bug.
>>if ps cax | grep -q mysqld; then
>>  exit 1
> 
> This looks likely to be where your error has come from. AIUI, you'll get
> to this line if mysqladmin CAN'T ping your server AND there is a mysqld
> process. There are a number of reasons for this, but I suspect the main
> one is a mis-configured /etc/mysql/debian.cnf
> 
>>fi
>>  else
>>$MYADMIN flush-logs
>>  fi
>>  endscript
>> }
>>

Thanks for your help, Darac. Your comments helped me get to the bottom
of this.

Although I installed Jessie (with Mariadb) from scratch, I retained my
old SQL tables (of course), including the mysql passwords. This meant
that the (new) debian-sys-maint password in debian.cnf did not match the
password in the database.

I corrected the password in debian.cnf, and all seems well now.

Thanks again, Tony



-- 
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Buckinghamshire, England |


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Re: strange journald *.journal file permissions

[Christian Seiler]

Am 2015-07-05 13:03, schrieb Vincent Lefevre:

Can anyone explain these strange journald permissions?

-rw-r-x---+ 1 root root16777216 2015-07-05 12:57:55
system.journal*
-rw-r-x---+ 1 root systemd-journal  8388608 2015-07-05 12:17:21
user-1000.journal*

More precisely, why the bit x for the group?


So when activating the persistent journal, README.Debian contains
the following line:
setfacl -R -nm g:adm:rx,d:g:adm:rx /var/log/journal

Did you by any chance forget the -n when executing it, so that
instead you executed
setfacl -R -m g:adm:rx,d:g:adm:rx /var/log/journal
?

That would explain the x bit (if the journal files were already
there when the setfacl command was executed.)

If so: that's harmless, just remove it, either via

chmod g=r /var/log/journal/*.journal

or

setfacl -m m::r /var/log/journal/*.journal

(Both are equivalent, because if POSIX ACLs are present, the
group permissions bit is used as the effective rights mask, see
the documentation for POSIX ACLs.)

Christian


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Re: login version 1:4.1.5.1-1

[rajiv chavan]

Tue, 07 Jul 2015 16:23:57 +0530

Thank you Darac.
1 /etc/pam.d/common-auth has one line missing (compared to stable):
authoptional   pam_cap.so
2 /etc/pam.d/comon-session has two lines missing:
session requiredpam_unix.so
session oprionalpam_ck_connector.so nox11
3 /etc/pam.d/common-session-noninteractive has one line missing:
session requiredpam_unix.so

No files removed/added.
libpam-cap  1:2.24-9
libpam-ck-connector  0.4.6-5
libpam-modules  1.1.3-7.1
libpam-modules-bin  1.1.3-7.1
libpam-runtime  1.1.8-3.1
libpam0g  1.1.3-7.1

Multiple users can run X programs in one tty(7).
Root may/may not su to system user (postgres/mysql) in the same
session - varying outcome

On 7/7/15, Darac Marjal  wrote:
> On Tue, Jul 07, 2015 at 02:47:38AM +0530, rajiv chavan wrote:
>> Tue, 07 Jul 2015 02:32:45 +0530
>>
>> debian version:stretch
>> /bin/su does not prompt for password. Changes user id.
>>
>> Any help?
>
> Likely this is a problem with your PAM configuration. PAM is basically
> the arbiter for who can change permissions and how. Perhaps you
> have removed something which should be asking for the password, or you
> have added something which caches (or negates the need for) the
> password.
>
> So, in summary, check /etc/pam.d/**.
>
>>
>>
>
> --
> For more information, please reread.
>


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pam_shield is blocking allowed networks

[Mart van de Wege]

Anyone know the answer to this conundrum?

I have set up pam_shield to allow my IP; when I test it by generating 5
bad logins (threshold is 5 per 10m), I see pam_shield print 'allowing
from /255.255.255.255' in the logs; and yet after 5 login
attempts it blocks my ip.


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--- AJS, quoting an uncertain source.


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Re: Message at boot: `A start job is running for LSB: Raise network interfaces'

[Darac Marjal]

On Tue, Jul 07, 2015 at 10:44:29AM +0100, Rodolfo Medina wrote:
> Hi all Debian users.
> 
> On my old Pentium III, at boot, a message similar to:
> 
>  A start job is running for LSB: Raise network interfaces
> 
> appears for some seconds, accompanied with a sort of red lightening.  In 
> Google
> I saw some similar cases and they were solved commenting out particular lines
> in /etc/network/interfaces, but non of them is suitable for my case.  Here's 
> my
> /etc/network/interfaces:
> 
> --
> # This file describes the network interfaces available on your system
> # and how to activate them. For more information, see interfaces(5).
> 
> source /etc/network/interfaces.d/*
> 
> # The loopback network interface
> auto lo
> iface lo inet loopback
> 
> # my wifi device
> auto wlx14cc20116af7
> iface wlx14cc20116af7 inet dhcp
> wpa-ssid my-ssid
> wpa-psk my-password
> --
> 
> .  I wish that message disappeared.  Please help.

You have an interface configured to use WPA and DHCP. This *WILL* take a
few seconds. First, your adapter needs to find the Access Point,
establish a connection and authenticate using the pre-shared key. Only
once that link is established, can the DHCP sequence begin. This
involves broadcasting a request packet and then listening for several
seconds (this is repeated at varying intervals). Once an acceptable
acknowledgement packet is received, then hook scripts are run to set IP,
DNS, NTP etc. Only once they are done, can the interface be considered
"ready".

You MIGHT be able to hide the message for a little bit by setting the
interface from "auto wlx..." to "allow-hotplug wlx...". I believe this
will lower the priority of the interface such that it is not critical to
the booting of the system. "auto" tells the system that it must bring up
the interface (and any services that depend on networking will thus wait
for that to happen), whereas "allow-hotplug" says that the system MAY
bring up the interface when it appears (however, services that depend on
networking may or may not have an issue with only 'lo' being up).

> 
> Thanks,
> 
> Rodolfo
> 
> 
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> Archive: https://lists.debian.org/87io9wnvya@gmail.com
> 

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Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[Linux4Bene]

Op Mon, 06 Jul 2015 20:12:10 -0400, schreef Marc D Ronell:

> I am  working toward  teaching a free  introductory class to  teens on
> GNU/Linux  and the  philosophy of  free  software at  the Newton  Free
> Library in MA this coming September.
> 
> For the class, the participants  will need access to GNU/Linux.  After
> reviewing   some  options,   including   sdf.org,  virtual   machines,
> Chromebooks,  etc.,  I  am  considering just  asking  participants  to
> purchase a dedicated  laptop and installing the OS.  I  may be able to
> direct students to install fests  in the area before the class starts.
> I am  not sure that this is  the best idea, but  it offers significant
> advantages including a potentially working  box as part of the results
> of the course.
> 
> As a test, I purchased  a laptop (Toshiba Satellite C75-B7180) on sale
> for $350  at our local Microcenter  in Cambridge and was  able to load
> GNU/Linux  for my  son.  I  am  thinking of  working some  programming
> assignments in Squeak (Smalltalk), but  maybe C is a better choice for
> an OS class?
> 
> Has  anyone tried  running a  GNU/Linux  intro class  for teens?   Can
> anyone  share their  experiences, thoughts  or  suggestions?  Feedback
> based on actual experience would be most helpful, I think, but I would
> appreciate any insights.
> 
> Thanks for your thoughts,
> 
> Marc

If it's an intro class to Linux, I would expose them to the system first, 
install later. If so, then it could suffice to setup a VPS server and 
make SSH accounts for the students.
You could then even have them make a ssh connection from a Windows box, 
and with the help of Xming run graphical programs from their Win box.

It doesn't cost them any money, and it's easy to setup.
You could focus on teaching instead of installing. When they get the hang 
of the system, you could always go with the laptop route.

As for programming assignments, C has a learning curve.
Python might be better suited, don't know about Smalltalk as I haven't 
used it. You may want to focus on ideas and how to translate those in a 
program, not fight with syntaxes.

Regards,
Bene




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Re: / 100% used

[Linux4Bene]

Op Mon, 06 Jul 2015 14:44:41 -0300, schreef Beco:

> Current usage:
> $ du -hc var = 1.1 GB (ext4)
> usr = 8.5 GB (ext4)
> tmp = 200 KB (ext4)
> 
> I'm thinking of:
> var = 10 GB usr = 20 GB tmp = 10 GB
> 
> Or maybe:
> var = 15 GB usr = 20 GB tmp = 5 GB
> 
> And keep all ext4 (to simplify my life, if that is ok, or at least not
> critical).

Using ext4 is not a problem. As for disk sizes, either of your 
suggestions would do, although I would rather spent more disk space on 
var, home or usr then /tmp. Before your tmp was very small so 5 GB should 
do unless you use it to copy very large files, or other users use it all 
the time. Then bigger might be better.


> (**) What configuration tool do you suggest to use for partitioning? Is
> it safe to do it via ssh?

I use gdisk or fdisk. Parted is also well known.

> (***) Should I trust better NetworkManager, or let the server using
> ifupdown? Or change to Wicd?

I edit /etc/network/interfaces myself on my machines and servers.
Works without a problem.

Regards,
Bene


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Re: Dedicated server doesn't boot, can't seem to figure out why

[Linux4Bene]

Op Tue, 07 Jul 2015 01:17:04 +0200, schreef Pascal Hambourg:

>> I have installed grub,
> 
> In a chroot ?
> Did you properly install the GRUB bootloader on both disks ?
> 
> grub-install /dev/sda grub-install /dev/sdb

The installation is with debootstrap from the rescue prompt.
Then I chroot into the installation, adjust my settings and install grub2.
It asks to what devices I want to install, and I always choose /dev/sda 
and /dev/sdb


> Did you run update-grub in a chroot to create a grub configuration file
> in /boot/grub and did you check it ?

Yes. After the installation of grub which does already do all that,
I have done update-grub, grub-install, and checked the /boot/grub/grub.cfg 
file. I've checked the disk/raid UUID's, compared them and it's all ok.
I made sure the correct UUID is placed in my /etc/fstab also to load boot.
Same method of install works offline in Virtualbox.
 
> Note that GPT is only required on disks larger that 2 TiB. But it's so
> cool even on smaller disks. However, some BIOSes are broken and may not
> boot a standard GPT disk, see
> 

Thanks for the info. The disks are 2 TB. I've tried an installation with 
the OVH installer, and it chose GPT for the disks too, and it booted.
GPT should be ok.


>> only a small EF02 Bios boot partition as I read you need one for some
>> Grub files when using GPT layout.
> 
> Small ? 24 MiB is just huge for this partition. Even 1 MiB is big.

Yeah but one gets a bit paranoia after trying install after install and 
seeing how this install works locally but not on a dedicated server :)


Thanks for the info,

Regards,
Bene


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Message at boot: `A start job is running for LSB: Raise network interfaces'

[Rodolfo Medina]

Hi all Debian users.

On my old Pentium III, at boot, a message similar to:

 A start job is running for LSB: Raise network interfaces

appears for some seconds, accompanied with a sort of red lightening.  In Google
I saw some similar cases and they were solved commenting out particular lines
in /etc/network/interfaces, but non of them is suitable for my case.  Here's my
/etc/network/interfaces:

--
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# my wifi device
auto wlx14cc20116af7
iface wlx14cc20116af7 inet dhcp
wpa-ssid my-ssid
wpa-psk my-password
--

.  I wish that message disappeared.  Please help.

Thanks,

Rodolfo


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Re: Dedicated server doesn't boot, can't seem to figure out why

[Linux4Bene]

Op Mon, 06 Jul 2015 16:18:04 +0200, schreef claude juif:

> Hi,
> 
> Why don't you use the OVH installer ?

Because the partitioner from the OVH installer doesn't allow me to 
partition the disks how I want. It imposes certain restrictions such as 
putting root in a lv partition, even if you keep the boot partition on 
raid.
It's not very flexible.

Regards


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Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[Frédéric Marchal]

2015-07-07 6:08 GMT+02:00 Glenn English :
>
> On Jul 6, 2015, at 6:12 PM, Marc D Ronell  wrote:
>
>> Has  anyone tried  running a  GNU/Linux  intro class  for teens?   Can
>> anyone  share their  experiences, thoughts  or  suggestions?  Feedback
>> based on actual experience would be most helpful, I think, but I would
>> appreciate any insights.
>
> Have a look at a problem set from Harvard's CS50 course:
>
> https://cdn.cs50.net/2015/x/psets/0/pset0/pset0.html
>
> This is Harvard's take on an intro to CS, and much of it would be over the 
> heads of a group of teenagers. Most of it, so far, has been fairly hard core 
> C, but they start out using Scratch:
>
> https://scratch.mit.edu/
>
> Scratch looks to be more aimed at kids, but you might be able to get some 
> ideas from the CS50 site.

Scratch is very good to teach the basis to pre-teens (and possibly as
a starter for older kids).

To go beyond that, have a look at Alice: http://www.alice.org.

Plain C requires a lot of effort before producing any visible result.
Instead, you may want to have a look at Qt and its IDE: QtCreator. Its
C++. It makes it easy to produce a windowed application with moderate
user interaction.

I had a look at Smalltalk once. It looked good until I got into
introspection of introspection of introspection... That got me lost
:-)

Frederic


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Re: Free GNU/Linux intro class for teens advice? Purchase box? Squeak/Smalltalk programming

[shawn wilson]

On Jul 6, 2015 8:17 PM, "Marc D Ronell"  wrote:
>

>
> As a test, I purchased  a laptop (Toshiba Satellite C75-B7180) on sale
> for $350  at our local Microcenter  in Cambridge and was  able to load
> GNU/Linux  for my  son.  I  am  thinking of  working some  programming
> assignments in Squeak (Smalltalk), but  maybe C is a better choice for
> an OS class?
>

I agree - no on the extra laptop. Virtualbox would be fine (a Pi might work
too but then you've got to consider peripherals).

Smalltalk is fine but I'd go with pharoh. No on c too - too complex. Maybe
teach js if you don't want Smalltalk. Don't teach bash either - too many
edge cases and weirdness (when to quote, not being able to return date from
functions properly, etc.

If you did ruby or js you could probably get help from a local group.

I would also teach the system separate from programming. They're both big
topics and you'll end up overwhelming everyone (yourself included).

Re: login version 1:4.1.5.1-1

[Darac Marjal]

On Tue, Jul 07, 2015 at 02:47:38AM +0530, rajiv chavan wrote:
> Tue, 07 Jul 2015 02:32:45 +0530
> 
> debian version:stretch
> /bin/su does not prompt for password. Changes user id.
> 
> Any help?

Likely this is a problem with your PAM configuration. PAM is basically
the arbiter for who can change permissions and how. Perhaps you
have removed something which should be asking for the password, or you
have added something which caches (or negates the need for) the
password.

So, in summary, check /etc/pam.d/**.

> 
> 

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Re: Using OpenVPN client with wicd

[tomas]

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Hash: SHA1

On Mon, Jul 06, 2015 at 04:23:28PM -0400, James P. Wallen wrote:

[...]

> If any of you has managed to do this in conjunction with wicd, I'd
> really appreciate a pointer to information to help me get started.
> The man pages are kicking me in the boinloins.

FWIW -- I set up OpenVPN (don't like it much[1], but had to) without
either NetworkManager nor wicd. What's the functionality you expect
from those? Automatic route setting?

- - - - - - - - -
[1] What do I do when I have to pierce the corp firewall? Just use
socat on both sides, port 443 (corp firewalls believe in numbers),
TLS encapsulated (don't know if they do deep packet inspection and
don't want to find out). Yes, some consider me weird.

regards
- -- tomás
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Re: Logrotate failure

[Darac Marjal]

On Mon, Jul 06, 2015 at 06:16:37PM +0100, Tony van der Hoff wrote:
> Since installing Jessie from scratch on this laptop, I'm getting a
> nightly error message from logrotate:
> 
> /etc/cron.daily/logrotate:
> error: error running shared postrotate script for '/var/log/mysql.log
> /var/log/mysql/mysql.log /var/log/mysql/mysql-slow.log
> /var/log/mysql/error.log '
> run-parts: /etc/cron.daily/logrotate exited with return code 1
> 
> /etc/logrotate.d/mysql-server is unchanged from the packaged version:
> 
> # - I put everything in one block and added sharedscripts, so that mysql
> gets
> #   flush-logs'd only once.
> #   Else the binary logs would automatically increase by n times every day.
> # - The error log is obsolete, messages go to syslog now.
> /var/log/mysql.log /var/log/mysql/mysql.log
> /var/log/mysql/mysql-slow.log /var/log/mysql/error.log {
>   daily
>   rotate 7
>   missingok
>   create 640 mysql adm
>   compress
>   sharedscripts
>   postrotate
>   test -x /usr/bin/mysqladmin || exit 0

The error code was 1 so, unless your system is pathologically broken,
/usr/bin/mysqladmin exists and is executable.

> 
>   # If this fails, check debian.conf!
>   MYADMIN="/usr/bin/mysqladmin 
> --defaults-file=/etc/mysql/debian.cnf"

So therefore, this line should work fine. (Though, as the comment says,
check that file)

>   if [ -z "`$MYADMIN ping 2>/dev/null`" ]; then

This pings mysql, if there's no response, then the following lines
happen.

> # Really no mysqld or rather a missing debian-sys-maint user?
> # If this occurs and is not a error please report a bug.
> if ps cax | grep -q mysqld; then
>   exit 1

This looks likely to be where your error has come from. AIUI, you'll get
to this line if mysqladmin CAN'T ping your server AND there is a mysqld
process. There are a number of reasons for this, but I suspect the main
one is a mis-configured /etc/mysql/debian.cnf

> fi
>   else
> $MYADMIN flush-logs
>   fi
>   endscript
> }
> 
> I actually installed mariadb, not mysql, not sure whether that matters.

If the process names are the same, the above script should still work.

> 
> Any suggestions as to what's wrong, please?
> 
> -- 
> Tony van der Hoff| mailto:t...@vanderhoff.org
> Buckinghamshire, England |
> 
> 
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Re: cpan module in Jessie

[Erwan David]

On Tue, Jul 07, 2015 at 08:44:41AM CEST, Erwan David  said:
>   Hi,
> 
> I need to install the perl module Net::SSH::Expect on a jessie.  Since
> it is notpackaged, I tried cpan Net::SSH::Expect It needs the IO::Pty
> module, so I installed the libio-pty-perl package.  However the cpan
> version of Net:SSH:Expect wants at least IO::Pty 1.11 and the packaged
> one is 1.08. So I tried to install it through cpan. It then tells me
> it does not find cc (which is /usr/bin/cc).
> 
> What am I doing wrong ?
> 

Sorry for the trouble : I just lacked libc6-dev package. All is working now.


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Compiling Audacious

[notoneofmy]

I tried to install audacious from source, installing dependencies as it 
needed them.


It all went well, except for the plugins package.

But although the icon is seen in Multimedia, clicking on it wont' start 
the program.


And so I uninstalled everything and installed from Debian repo with

apt-get install audacious audacious-plugin

I got no errors. But it still won't start by clicking on its icon in 
Multimedia.


audacious -v in Terminal gives

Audacious 3.6.2 (unknown build)

And so I thought I had removed it all, with ---purge etc.

and when run it as root and regular user in terminal

audacious

output:
ERROR dbus-server.cc:794 [dbus_server_init]: D-Bus error: The connection 
is closed

ERROR plugin-init.cc:132 [start_single]: No output plugin found.
(Did you forget to install audacious-plugins?)
Aborted

It's apparent one can't add the nilarimogard/webupd8, ppa, which has the 
latest build. And so compiling is the only option left.


Any help in removing everything, including the files installed when I 
tried to compile it would be great.


Also, anyone here who has successfully installed it from source who can 
help me do so?


Thanks a lot in advance!


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Re: XFCE and screensavers

[Petter Adsen]

On Mon, 6 Jul 2015 14:06:40 -0700
Paul Zimmerman  wrote:

> Just a minor annoyance. Every time I install Debian with my favored
> desktop environment, XFCE, I get a different result with the
> screensaver. Not even between different versions. I can literally
> install twice from the same install disk and get different behavior.
> Sometimes the screensaver daemon just won't start at all and it's not
> possible to use a screensaver with that install. Other times it will
> only turn off the display, not run a configured screensaver. And yet
> other times it will run the screensaver but won't accept any time
> settings. It just uses its own default from some unknown location and
> cannot be changed. Apparently this has something to do with XFCE not
> being the default desktop for Debian, and so there is a conflict with
> something else that was intended to work with KDE and/or Gnome?  Is
> there some simple way to uninstall the "default" whatever it is and
> fix/reinstall the XFCE screensaver?

AFAIK, Xfce does not have a screensaver as such (if you mean
animations and/or pictures and such), it just blanks and turns the
screen off. The settings are under Settings -> Power Manager -> Display.

If you want more functionality than that, I would try something like
xscreensaver. You might want to disable Xfce power management of the
display for that to work properly, I have never tried.

If you want a screen locker, one that works well with Xfce (provided
you use lightdm) is light-locker.

Petter

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