Re: Having weird seqfaults

[Zenaan Harkness]

On 12/12/13, Goren Buckwalk  wrote:
>> So just segfault when trying to run certain application(s)?
>> If you can consistently reproduce a segfault, then that is excellent
>> news - should be easier to debug.
>
> It happens a lot, but no single app is gaurenteed to seg fault.
>
>> Did you check the various logs immediately after the segfault? Eg:
>> cd /var/log
>> ls -lrt # most recent logs at bottom
>>
> Here are some examples from the syslog:
>
> Dec 11 19:35:52 spare kernel: [ 5424.840022] glines[11138]: segfault at 17
> ip b6e7c04a sp bfd4f0e0 error 4 in libcairo.so.2.11200.2[b6e3+10a000]
>
> (clip)
>
> Dec 11 20:49:09 spare kernel: [  111.144146] lxsession-logou[3009]: segfault
> at 18 ip b723c48f sp bfd37f30 error 4 in
> libgdk-x11-2.0.so.0.2400.10[b71e7000+ae000]
>
> (here's a whole series:)
>
> Dec 11 21:29:22 spare kernel: [  962.601219] lxpolkit[3107]: segfault at 8
> ip 08049a91 sp bfbeb790 error 4 in lxpolkit[8048000+3000]
> Dec 11 21:29:48 spare kernel: [  988.395434] pcmanfm[3101]: segfault at 2 ip
> b70f4459 sp bfffdff0 error 4 in libgdk-x11-2.0.so.0.2400.10[b709f000+ae000]
> Dec 11 21:30:17 spare dbus[2154]: [system] Activating service
> name='org.freedesktop.UDisks' (using servicehelper)

> (clip)

>> Just re-seating your RAM can sometimes fix RAM problem.
>
> I pushed on everything before I connected it up to do the reinstall.

Re-seating means pulling it out, and putting it back in. Same with CPU.

If the motherboard is dusty. Then you might (very carefully!) do a
little vacuuming over the dusty areas (after removing sensitive things
and making sure you don't bump anything with the vacuum cleaner).

>> > things causes it (like adding a couple of apps to the launcher, but
>> > running
>> > a browser like midori doesn't cause a problem.
>>
>> Do you consistently, or just randomly, get segfault when running those
>> apps?
>
> It mostly seems random, one thing that seems consistant is adding apps to
> the LXDE launcher on the panel. If you do 3 or 4 in row it pushes it over
> the edge. I think the first series of errors above is me doing just that.

Ah - could be a disk problem then - "reseat" all your connectors,
everything, run the RAM check.

The inconsistency does make it look like you have a hardware issue -
it can be a pain, but you need to go through process of elimination.

> Thanks. Hope you don't mind the direct reply + cc, let me know what is
> preferred.

For all debian-* lists, just reply to the list. I only got your
original email because I am subscribed, so I will also get all your
replies that go to the list. I do not need an extra copy directly from
you :)

With gmail webmail non-javascript interface (probably others too), you
will need to "reply all" then select-all and cut the CC field into the
TO field. Please do this thanks. No need to reply to this paragraph :)
 - excessive politeness is certainly tolerated, but not necessary at
all.

Good luck
Zenaan


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Re: Maximum RAM

[Scott Ferguson]

On 12/12/13 18:24, Ralf Mardorf wrote:
> Ethan, still HTML, really ;)?
> 
> On Thu, 2013-12-12 at 01:42 -0500, erosenb...@hygeiabiomedical.com
> wrote:
>> Are there any command line statement(s) that will enable the system to
>> use more than 4 GB of RAM?
> 
> Only when you compile a 32-bit architecture kernel, then you can enable
> it by
> 
> echo "CONFIG_HIGHMEM4G is not set" >> .config
> echo "CONFIG_HIGHMEM64G=y" >> .config
> make oldconfig
> 
> Regards,
> Ralf
> 
> 

Huh?  :/


Which distro ships a pae kernel with highmem64G *disabled* in the
default .config?


Kind regards


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Re: sudo security Was: Reporting missing package during install

[Gian Uberto Lauri]

Ralf Mardorf writes:
 > On Wed, 2013-12-11 at 15:33 +0100, Gian Uberto Lauri wrote:
 > >  > You need  to inform yourself, to  know that there's a  callback for
 > >  > the danger to life baby bottle.
 > > 
 > > Ouch, InsufficentEnglishSkillException! Could you help me please :)
 > 
 > Assumed a baby bottle does poison the milk, because they use bad
 > synthetic material and assumed there should be a callback, nobody comes
 > to your home and gives you this information, you need to read the news
 > or read a notice where you bought the baby bottle.
 
Got the point, except that the information has a larger broadcasting
than a single web site.

 > Debian btw. has got a FreeBSD port too, but I couldn't install
 > it to VirtualBox for testing, installation failed.

This is really O.T. :), but you gave me a good idea about installing
FreeBSD on a kvm-supported vm... Thanks!

 > If a user should disagree with sudo, the user could disable sudo and use
 > su instead.

To agree or disagree you have to be informed.

 > "Ubuntu: ancient African word meaning "I can not install Debian"" - from
 > your signature.
 > 
 > I install *buntu to help newbies and assumed a release of *buntu is
 > ok,

1) It's a joke

2) there are issues with the system choices in Ubuntu (or there were
   some issues) especially on servers, but is really OT in this
   mailing list. If you like, we could discuss it in a private e-mail
   exchange.

 > The problem with *buntu is, that it fakes, that
 > a user has not to do that much, that less self-responsibility should be
 > needed.

This is an issue. The real problem is that you should make it easy but
not reduce self-responsibility. It should prevent users from acting
dangerously unless they want - and therefore understand - to do so.

My opinion is that Free Software should differentiate itself from
proprietary software also in not taking design decisions that are
flashy but potentially dangerous, I would never read the adjective
"madness" describing a design decision in a Free Software item (I
got it in a Microsoft Press book of the mid '90, and was about the 32
bit architecture).

-- 
 /\   ___Ubuntu: ancient
/___/\_|_|\_|__|___Gian Uberto Lauri_   African word
  //--\| | \|  |   Integralista GNUslamicomeaning "I can
\/ coltivatore diretto di software   not install
 già sistemista a tempo (altrui) perso...Debian"

Warning: gnome-config-daemon considered more dangerous than GOTO


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Re: Xfce config question

[Paul E Condon]

On 20131211_231356, Robert Holtzman wrote:
> On Thu, Dec 12, 2013 at 09:53:51AM +0700, Diep Pham Van wrote:
> > On Wed, 11 Dec 2013 17:49:26 -0700
> > Paul E Condon  wrote:
> > 
> > > I want to configure the clock display in Wheezy-Xfce to display
> > > date and time of day combined and in an arrangement that is like
> > > this
> > > 20120123 213703
> >No manual entry for strftime > i.e. 
> > > MMDD HHMMSS
> > You should add Orage Panel Clock to lower panel and read man strftime.
> 
> I have Orage Panel Clock in the upper panel and man strftime yields
> 
> "No manual entry for strftime"
---
Thanks. You broke my mental block, I found strftime codes listed on
pg909 of Stroustrup's book. Yes, a paper book. The answer is:
%Y%m%d_%H%M%S


-- 
Paul E Condon   
pecon...@mesanetworks.net


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Re: Maximum RAM

[Scott Ferguson]

On 12/12/13 18:11, David Guntner wrote:
> Scott Ferguson grabbed a keyboard and wrote:
>> On 12/12/13 17:42, erosenb...@hygeiabiomedical.com wrote:
>>> Dear  List -
>>>
>>> I am running 32 bit sid with a pae kernel. What is the maximum RAM that
>>> can be used?
>>
>> 64GB
> 
> Really? 

Yes. Really.  With few exceptions (do crippled PC-Chips boards count?),
from last centuries Pentium Pro to current.

> As I understand it, a 32-bit operating system cannot address
> more than 4G of memory.

Really?

http://lmgtfy.com/?q=pae+i386+linux+maximum+ram

> 
> What am I missing here?

Please start another thread for a new problem.

> 
> --Dave
> 
> 


Kind regards


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Re: Maximum RAM

[Bob Proulx]

David Guntner wrote:
> Scott Ferguson grabbed a keyboard and wrote:
> > erosenb...@hygeiabiomedical.com wrote:
> >> I am running 32 bit sid with a pae kernel. What is the maximum RAM that
> >> can be used?
> > 
> > 64GB
> 
> Really?  As I understand it, a 32-bit operating system cannot address
> more than 4G of memory.
> 
> What am I missing here?

Read all about PAE (Physical Address Extension) here:

  https://en.wikipedia.org/wiki/Physical_Address_Extension

The hardware actually has more than 32-bits for physical memory
addressing.  It is actually a 36-bit addressing machine.  That is why
it is an address extension.  But only the operating system kernel has
access to those extra address bits.  Programs do not.

This allows the system _kernel_ to address more than 32-bits of
memory.  The kernel could address up to 64G.  However _programs_ are
still limited to 32-bits.  In practice an individual program is
limited to either 2G or 3G depending upon how it is compiled and
linked.  But if the system has more memory then many 2G programs could
be running at one time consuming more than the 4G total that a 32-bit
operating system would be limited to.  You could run Firefox and still
have system memory available for something else! :-)

Bob


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Re: Maximum RAM

[Jean-Marc]

On Wed, 11 Dec 2013 23:11:58 -0800
David Guntner  wrote:

> 
> Really?  As I understand it, a 32-bit operating system cannot address
> more than 4G of memory.
> 
> What am I missing here?

Some more infos about PAE (Physical Address Extension):
https://en.wikipedia.org/wiki/Physical_Address_Extension

To be checked in /proc/cpuinfo, search for pae in your CPU flags.

> 
> --Dave
> 
> 

Like PailNM said, not implemented in Microsoft O/S.

Jean-Marc 


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Re: startx + ~/.xsession and no ~/.xinitrc, results in reduced functionality (xfce4, sid)

[Bob Proulx]

Charlie wrote:
> On Thu, 12 Dec 2013 17:23:31 +1100 Zenaan Harkness sent:
> 
> > My .xsession is mode 755 and contains:
> > ---
> > #!/bin/bash --login
> > exec ck-launch-session startxfce4
> 
> I may be wrong but shouldn't that be .xsessionrc?

No it really should be ~/.xsession.  This can be deduced by inspecting
the /etc/X11/Xsession.d/50x11-common_determine-startup file.  Or see
the man page such as these snippets from it.

  $ man Xsession

   /etc/X11/Xsession.d/40x11-common_xsessionrc
  Source global environment variables.  This  script  will  source
  anything  in  $HOME/.xsessionrc  if  the  file  is present. This
  allows the user to set global environment variables for their  X
  session, such as locale information.

   /etc/X11/Xsession.d/50x11-common_determine-startup
  Determine  startup  program.  The X client to launch as the con-
  trolling process (the one  that,  upon  exiting,  causes  the  X
  server  to  exit  as  well) is determined next.  If a program or
  failsafe argument was given and is allowed (see  above),  it  is
  used  as  the  controlling  process.   Otherwise,  if  the  line
  ‘allow-user-xsession’  is   present   in   Xsession.options,   a
  user-specified session program or script is used.  In the latter
  case, two historically popular names for user X session  scripts
  are  searched for: $HOME/.xsession and $HOME/.Xsession (note the
  difference in case).  The first  one  found  is  used.   If  the
  script  is  not executable, it is marked to be executed with the
  Bourne shell interpreter, sh.  Finally, if  none  of  the  above
  succeeds,thefollowing   programs   are   searched   for:
  /usr/bin/x-session-manager,/usr/bin/x-window-manager,and
  /usr/bin/x-terminal-emulator.   The first one found is used.  If
  none are found, Xsession aborts with an error.

And so we see that ~/.xesssionrc is intended to be used to set
variables.  Therefore almost anything in the .profile or .bashrc should
be reasonable.

But for X session scripts such as starting xfce then the ~/.xsession
script is the documented interface.  (However I would be the first to
volunteer that the above is a complicated description!  It is
accurate.  But now you know why I think reading the script itself is
simpler than the documentation of it.)

Bob


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Re: Maximum RAM

[Ralf Mardorf]

On Wed, 2013-12-11 at 23:11 -0800, David Guntner wrote:
> > On 12/12/13 17:42, erosenb...@hygeiabiomedical.com wrote:

> >> pae kernel
This ^

> What am I missing here?





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Re: Maximum RAM

[PaulNM]

On 12/12/2013 02:11 AM, David Guntner wrote:
> Scott Ferguson grabbed a keyboard and wrote:
>> On 12/12/13 17:42, erosenb...@hygeiabiomedical.com wrote:
>>> Dear  List -
>>>
>>> I am running 32 bit sid with a pae kernel. What is the maximum RAM that
>>> can be used?
>>
>> 64GB
> 
> Really?  As I understand it, a 32-bit operating system cannot address
> more than 4G of memory.
> 
> What am I missing here?
> 
> --Dave

You're missing that it's a complete fallacy.  Pretty much any processor
from the Pentium Pro and up support PAE, and thus 64GB of RAM. Microsoft
decided not to support that on the 32-bit versions of their consumer
operating systems, but there's no technical reason preventing a 32-bit
OS from using more than 4GB. (I mention MS because that's where most
people I talk to get this idea from.)

Provided the motherboard supports it, that is. :)

-PaulNM



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Re: Maximum RAM

[Ralf Mardorf]

Ethan, still HTML, really ;)?

On Thu, 2013-12-12 at 01:42 -0500, erosenb...@hygeiabiomedical.com
wrote:
> Are there any command line statement(s) that will enable the system to
> use more than 4 GB of RAM?

Only when you compile a 32-bit architecture kernel, then you can enable
it by

echo "CONFIG_HIGHMEM4G is not set" >> .config
echo "CONFIG_HIGHMEM64G=y" >> .config
make oldconfig

Regards,
Ralf


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Re: startx + ~/.xsession and no ~/.xinitrc, results in reduced functionality (xfce4, sid)

[Bob Proulx]

Charlie wrote:
> Bob Proulx sent:
> > If you are using startx then yes you should use xinitrc.
>
> I use startx and have an .xsessionrc file that loads all manner of
> things for me at start up. [gkrelm,terminals,kalarm etc.,] It works for
> me, copied from FVWM. Now using Xfce4 as FVWM on AMD64 isn't all that
> nice, and I can't configure it to make it nice again. My problem and
> no time to work with it at the moment.

I am not quite following.  You say you have startx and a .xsessionrc
file.  And this is working for you?  Sounds like it is.  In which case
I don't know how.  But then you say that you can't configure it so I
am not sure.

> I didn't realise that xinitrc is the way to go?

Not quite.  There are many layers and many choices available.

With startx the documented interface is ~/.xinitrc or ~/.xsessionrc or
~/.xsession.  The man page only documents the ~/.xinitrc file.

  man startx

But since startx chains off to /etc/X11/xinit/xinitrc which chains off
to /etc/X11/Xsession then all of the customization of Xsession is
also available through the daisy chain.

  man Xsession

The man page for Xsession documents ~/.xsessionrc and ~/.xsession.  It
says that ~/.xsessionrc is only for setting variables and the
~/.xsession is for executing commands.  (But in reality this is a grey
area.)

In order to get the entire list of possibilities you would need to
connect across from one man page to the next as one references the
next one in the next layer.  Or you could keep it simple and use the
one that the command documents first.  But the reality is that one
chains to the other and so both are possible.

> I'm happy with what happens when I boot my system - same as when I
> used .xsessionrc with FVWM. But will look into it and read a bit when
> time permits. I could be doing the wrong thing entirely.

The choice of customization file is not an attribute of the window
manager.  It isn't tied to fvwm nor xfce.  The choice of customization
file is tied to how X is started.  After X is started then any of the
window managers or desktop sessions may be started after that point.

Let me try to explain this in a slightly different way.

  1.1. xinit command line
 Uses ~/.xinitrc
  1.2. startx command line (wrapper around xinit for reasonable defaults)
 Uses ~/.xinitrc if exists
   Otherwise uses /etc/X11/xinit/xinitrc
 /etc/X11/xinit/xinitrc sources /etc/X11/Xsession
   Redirects output to .xsession-errors
 sources ~/.xsessionrc if exists
 executes ~/.xsession if executable, sources if not, if exists
  2.1 xdm graphical login manager (or gdm, or kdm, or lightdm, or other)
 Runs /etc/X11/Xsession
Redirects output to .xsession-errors
  sources ~/.xsessionrc if exists
  executes ~/.xsession if executable, sources if not, if exists

These are all scripts so very easy to trace through.  I highly
recommend that if anyone is still confused that they simply read
through the scripts and see for themselves what they do.  Then there
is nothing between the scripts and your understanding of them.

The /usr/bin/startx script is a relatively small and simple script.
I would not call it beautiful.  But it is easy reading.  I suggest
that if there anyone is wondering what is going on with startx that it
is easier to browser the script and look.  Then all doubt can be
removed.

  less /usr/bin/startx

Or they could trace through the running of the script when they start
it.

  sh -x /usr/bin/startx 2>&1 | tee startx.out

That will show all of the commands run by the script and will save
them to the file.  Then browsing the file should reveal all that is
happening in the script.

Being a script is an advantage at times like this because it makes it
simple to see what it is doing.  How did I know it was a script?  It
has been one forever.  And I always look.  Because may commands are
scripts.  If they then I browse through them to see what is in them.

Bob


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Re: Maximum RAM

[David Guntner]

Scott Ferguson grabbed a keyboard and wrote:
> On 12/12/13 17:42, erosenb...@hygeiabiomedical.com wrote:
>> Dear  List -
>>
>> I am running 32 bit sid with a pae kernel. What is the maximum RAM that
>> can be used?
> 
> 64GB

Really?  As I understand it, a 32-bit operating system cannot address
more than 4G of memory.

What am I missing here?

--Dave




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Re: Xfce config question

[Ralf Mardorf]

On Thu, 2013-12-12 at 17:28 +1100, Zenaan Harkness wrote:
> On 12/12/13, Paul E Condon  wrote:
> > I want to configure the clock display in Wheezy-Xfce to display
> > date and time of day combined and in an arrangement that is like
> > this
> > 20120123 213703
> > i.e.
> > MMDD HHMMSS
> ...
> > Does anyone know?
> 
> Choose Format -> Custom and set the following as your custom format field:
> 
> +%Y%m%d %H%M%S
> 
> For reference, the format field appears to be from the "date" command.
> date --help
> is your friend.

+1, but -+ for the format :D.



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Re: Xfce config question

[Ralf Mardorf]

On Thu, 2013-12-12 at 09:53 +0700, Diep Pham Van wrote:
> Orage Panel Clock

What's bad with using the Xfce default clock and to chose "Custom
Format"? And then, as I already mentioned
http://lists.debian.org/1386831679.1257.173.camel@archlinux




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Re: Xfce config question

[Ralf Mardorf]

%Y%m%d %H%M%S

Take a look at $ man date ;). The panel clock does use the same format.


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Re: Maximum RAM

[Scott Ferguson]

On 12/12/13 17:42, erosenb...@hygeiabiomedical.com wrote:
> Dear  List -
> 
> I am running 32 bit sid with a pae kernel. What is the maximum RAM that
> can be used?

64GB

> Are there any command line statement(s) that will enable
> the system to use more than 4 GB of RAM?

n/a

> 
> TIA
> 
> Ethan


Kind regards


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Re: startx + ~/.xsession and no ~/.xinitrc, results in reduced functionality (xfce4, sid)

[Charlie]

On Wed, 11 Dec 2013 23:36:51 -0700 Bob Proulx sent:

> If you are using startx then yes you should use xinitrc.

I use startx and have an .xsessionrc file that loads all manner of
things for me at start up. [gkrelm,terminals,kalarm etc.,] It works for
me, copied from FVWM. Now using Xfce4 as FVWM on AMD64 isn't all that
nice, and I can't configure it to make it nice again. My problem and
no time to work with it at the moment.

I didn't realise that xinitrc is the way to go?

I'm happy with what happens when I boot my system - same as when I
used .xsessionrc with FVWM. But will look into it and read a bit when
time permits. I could be doing the wrong thing entirely.

Thanks for the information.
Charlie
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***

A dream grants what one covets when awake. - German proverb

***

Debian GNU/Linux - just the best way to create magic

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Maximum RAM

[erosenberg]

Dear  List -
I am running 32 bit sid with a pae kernel. What is the maximum RAM
that can be used? Are there any command line statement(s) that will
enable the system to use more than 4 GB of RAM?
TIA
Ethan

Re: Having weird seqfaults

[Goren Buckwalk]

> 
> If trying to use debian on your hardware, this list is ok.

Very kind, thank you.


> How old is the hardware? Ie if it's _very_ old, you might try an _old_
> Debian distribution - just one possible line of testing.
> 
> Was it yours before? Ie, if yes, then the problem is "new" and more
> likely software, if no, the problem is unknown?
> 

It is old, an K6-2 450mhz. I bought it and the mobo new (P5A Asus) new years 
ago. The RAM is of various origins, but I get no beeps as it boots. Not that 
would help much the manual doesn't even describe what various beeps mean if it 
were to. Its not modern, but 2 evenings ago I got a K6 233mhz box running just 
fine. Slow, but if you had nothing else you definately could get some actual 
work done with it running wheezy.

> So just segfault when trying to run certain application(s)?
> If you can consistently reproduce a segfault, then that is excellent
> news - should be easier to debug.

It happens a lot, but no single app is gaurenteed to seg fault.

> 
> Did you check the various logs immediately after the segfault? Eg:
> cd /var/log
> ls -lrt # most recent logs at bottom
> 
Here are some examples from the syslog:

Dec 11 19:35:52 spare kernel: [ 5424.840022] glines[11138]: segfault at 17 ip 
b6e7c04a sp bfd4f0e0 error 4 in libcairo.so.2.11200.2[b6e3+10a000]

(clip)

Dec 11 20:49:09 spare kernel: [  111.144146] lxsession-logou[3009]: segfault at 
18 ip b723c48f sp bfd37f30 error 4 in 
libgdk-x11-2.0.so.0.2400.10[b71e7000+ae000]

(here's a whole series:)

Dec 11 21:29:22 spare kernel: [  962.601219] lxpolkit[3107]: segfault at 8 ip 
08049a91 sp bfbeb790 error 4 in lxpolkit[8048000+3000]
Dec 11 21:29:48 spare kernel: [  988.395434] pcmanfm[3101]: segfault at 2 ip 
b70f4459 sp bfffdff0 error 4 in libgdk-x11-2.0.so.0.2400.10[b709f000+ae000]
Dec 11 21:30:17 spare dbus[2154]: [system] Activating service 
name='org.freedesktop.UDisks' (using servicehelper)
Dec 11 21:30:17 spare dbus[2154]: [system] Successfully activated service 
'org.freedesktop.UDisks'
Dec 11 21:30:30 spare kernel: [ 1030.903285] lxpanel[3098]: segfault at 100 ip 
b70f5bb2 sp bf86d350 error 4 in libglib-2.0.so.0.3200.4[b7091000+fb000]
Dec 11 21:31:08 spare kernel: [ 1068.749419] lxpanel[3133]: segfault at 
244c8b62 ip b72044a7 sp bfb0e058 error 4 in 
libgobject-2.0.so.0.3200.4[b71d2000+5]
Dec 11 21:31:09 spare kernel: [ 1069.642384] lxpanel[3137]: segfault at 18 ip 
b72bf48f sp bfcde170 error 4 in libgdk-x11-2.0.so.0.2400.10[b726a000+ae000]
Dec 11 21:31:14 spare kernel: [ 1075.022219] lxpanel[3138]: segfault at 4244496 
ip b71b14a7 sp bf9f6498 error 4 in libgobject-2.0.so.0.3200.4[b717f000+5]
Dec 11 21:31:15 spare kernel: [ 1076.011949] lxpanel[3139]: segfault at 
24548b62 ip b72284a7 sp bfb37c18 error 4 in 
libgobject-2.0.so.0.3200.4[b71f6000+5]
Dec 11 21:31:17 spare kernel: [ 1077.103982] pcmanfm[3120]: segfault at 
244c8b62 ip b6c1f4a7 sp bf908e98 error 4 in 
libgobject-2.0.so.0.3200.4[b6bed000+5]
Dec 11 21:31:21 spare kernel: [ 1081.726252] lxpanel[3140]: segfault at 4244496 
ip b72464a7 sp bfcb5058 error 4 in libgobject-2.0.so.0.3200.4[b7214000+5]

(clip)

Dec 11 21:31:27 spare acpid: client 2636[0:0] has disconnected
Dec 11 21:31:36 spare dhclient: DHCPREQUEST on eth1 to 192.168.2.1 port 67
Dec 11 21:31:36 spare dhclient: DHCPACK from 192.168.2.1
Dec 11 21:31:36 spare dhclient: bound to 192.168.2.22 -- renewal in 300 seconds.
Dec 11 21:31:36 spare kernel: [ 1096.366211] nm-dhcp-client.[3164]: segfault at 
100 ip b7547087 sp bfe6ee90 error 6 in libpthread-2.13.so[b7539000+15000]

> To eliminate RAM, boot the install CD and run the memcheck option -
> let it run for a few hours/ a few full cycles, and see if it crashes
> or says your RAM has faults.

I'll do this tonight.

 
> Just re-seating your RAM can sometimes fix RAM problem.

I pushed on everything before I connected it up to do the reinstall.

 
> > things causes it (like adding a couple of apps to the launcher, but running
> > a browser like midori doesn't cause a problem.
> 
> Do you consistently, or just randomly, get segfault when running those apps?
> 

It mostly seems random, one thing that seems consistant is adding apps to the 
LXDE launcher on the panel. If you do 3 or 4 in row it pushes it over the edge. 
I think the first series of errors above is me doing just that.


> Good luck
> Zenaan
> 

Thanks. Hope you don't mind the direct reply + cc, let me know what is 
preferred.


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Re: startx + ~/.xsession and no ~/.xinitrc, results in reduced functionality (xfce4, sid)

[Charlie]

On Thu, 12 Dec 2013 17:23:31 +1100 Zenaan Harkness sent:

> My .xsession is mode 755 and contains:
> ---
> #!/bin/bash --login
> exec ck-launch-session startxfce4

I may be wrong but shouldn't that be .xsessionrc?

Charlie
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Re: startx + ~/.xsession and no ~/.xinitrc, results in reduced functionality (xfce4, sid)

[Bob Proulx]

Zenaan Harkness wrote:
> My .xsession is mode 755 and contains:
> ---
> #!/bin/bash --login
> exec ck-launch-session startxfce4
> ---
> 
> When I run startx, ...

Because startx does not use .xsession.  You have things criss-crossed.

  $ grep xsession /usr/bin/startx
  ... nothing shown ...

The xsession script is only used by the xdm, gdm, gdm3, kdm, lightdm X
Display Manager graphical login manager programs because they all call
the /etc/X11/Xsession script.

  $ grep -rl xsession /etc/X11/Xsession*
  /etc/X11/Xsession
  /etc/X11/Xsession.d/40x11-common_xsessionrc
  /etc/X11/Xsession.d/50x11-common_determine-startup
  /etc/X11/Xsession.options

> my xfce4 session starts, but Restart, Shutdown,
> Suspend and Hibernate are all disabled, only Logout is enabled.

I remember reading about people complaining about that happening but I
don't remember the detail as to why.

> When I do:
> cd; cp .xsession .xinitrc
> startx
> 
> my xfce4 session starts, and all the Restart, Logout etc options are
> now enabled.

Yes, because startx does use xinitrc.

  $ grep xinitrc /usr/bin/startx
  # interface than xinit.  It looks for user .xinitrc and .xserverrc
  # files, then system xinitrc and xserverrc files, else lets xinit choose
  # its default.  The system xinitrc should probably do things like check
  userclientrc=$HOME/.xinitrc
  sysclientrc=/etc/X11/xinit/xinitrc

> What seemed like a good idea, at, the, time ... is longer looking so
> good. Any ideas why this odd behaviour would appear as it does?

Frankly it is exactly as I wrote in the previous message about this. :-)
Really!  :-)

> In the meantime, it looks like I'll have to go back to using .xinitrc

If you are using startx then yes you should use xinitrc.  Only use the
xsession or xsessionrc file (either one) if you are using one of the
graphical login managers such as xdm, gdm, gdm3, kdm, lightdm.

Bob


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Re: Postgresql setup on Debian system

[Raffaele Morelli]

2013/12/11 Gary Roach 

>  On 12/10/2013 11:13 PM, Raffaele Morelli wrote:
>
>  BTW you are not clear: what are you trying to achieve?
>
> Not too surprising that I wasn't clear. I feel like I'm floundering
> around. I am trying to build a data archiving system that will have
> multiple levels of users and has a web page access system. Python, Django,
> html and javascript will take care of most of the project. I just need to
> get the permissions setup for Postgresql. Thanks for pointing out Chapter
> 19 of the manual. I haven’t read it yet but will do so asap. I guess I am
> primarily struggling with the setting up of accounts and roles; which I
> guess is about 90% of the database setup. I probably need to just read more
> and hope for the best.
>
> Gary R.
>

you are using a frontend that should keep care of user permissions, then
you should create one role (user) on postgres with all permission on a
database he must own.

so, as user postgres create a role for the frontend (eg. groach), then log
into postgres as groach and create a database (eg. mydatabase).
pgadmin or phppgadmin are your friends if you're not familiar with terminal
interfaces in doing this.

next add the relevant line to your pg_hba.conf (first line is for clarity).
this will grant connection to database `mydatabase` to user `groach` from
all ip addresses, using md5 encryption method.

# TYPE  DATABASEUSERADDRESS METHOD
hostmydatabasegroachall
md5

Re: Xfce config question

[Zenaan Harkness]

On 12/12/13, Paul E Condon  wrote:
> I want to configure the clock display in Wheezy-Xfce to display
> date and time of day combined and in an arrangement that is like
> this
> 20120123 213703
> i.e.
> MMDD HHMMSS
...
> Does anyone know?

Choose Format -> Custom and set the following as your custom format field:

+%Y%m%d %H%M%S

For reference, the format field appears to be from the "date" command.
date --help
is your friend.

:)
Zenaan


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startx + ~/.xsession and no ~/.xinitrc, results in reduced functionality (xfce4, sid)

[Zenaan Harkness]

My .xsession is mode 755 and contains:
---
#!/bin/bash --login
exec ck-launch-session startxfce4
---

When I run startx, my xfce4 session starts, but Restart, Shutdown,
Suspend and Hibernate are all disabled, only Logout is enabled.

When I do:
cd; cp .xsession .xinitrc
startx

my xfce4 session starts, and all the Restart, Logout etc options are
now enabled.

What seemed like a good idea, at, the, time ... is longer looking so
good. Any ideas why this odd behaviour would appear as it does?

In the meantime, it looks like I'll have to go back to using .xinitrc

TIA
Zenaan


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Re: Xfce config question

[Robert Holtzman]

On Thu, Dec 12, 2013 at 09:53:51AM +0700, Diep Pham Van wrote:
> On Wed, 11 Dec 2013 17:49:26 -0700
> Paul E Condon  wrote:
> 
> > I want to configure the clock display in Wheezy-Xfce to display
> > date and time of day combined and in an arrangement that is like
> > this
> > 20120123 213703
>No manual entry for strftime > i.e. 
> > MMDD HHMMSS
> You should add Orage Panel Clock to lower panel and read man strftime.

I have Orage Panel Clock in the upper panel and man strftime yields

"No manual entry for strftime"

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Re: script line not working as its supposed to, but why?

[Scott Ferguson]

On 11/12/13 22:14, Sharon Kimble wrote:
> On Wed, 11 Dec 2013 21:58:19 +1100
> Scott Ferguson  wrote:
> 
>> On 11/12/13 21:45, Sharon Kimble wrote:
>>> I have this line in a bash script that is not doing what its
>>> supposed to - 
>>> 'find /home/boudiccas/.fluxbox -type f -mtime +"$num" -name 'menu-*'
>>> -delete'
>>> where "$num" = 7 and 'menu-*'=menu-20131209-11:05 . Obviously the
>>> date and time can be different in each case, so how do I get it so
>>> that it deletes the menus if their number is greater than 7 please?
>>
>> That's the tricky part. As it stands the "menu" is just a string
>> *not* a value. Either convert it into a value or use another method
>> to determine which menu to delete (hint: creation date).
> 
> But there is no consistency with the creation date, the menu itself is
> regenerated whenever I install a new programme, and the old menu is
> saved with the suffix of the date and time. This could happen several
> times a day, or just once a week, there is no pattern to it. 
> 
> Or am I missing something obvious? :)

Each menu (like any file) has a creation date. You can use ls to list
according to creation date, which allows you to delete all but the most
recent 7 menu files.

> 
> Sharon.
> 

I see Gian and Mathias have already provided solutions.

Kind regards


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Re: Using an AOS 1600x900 monitor with Wheezy

[Zenaan Harkness]

On 12/12/13, Ken Heard  wrote:
> I am in the process of assembling a new box in which Wheezy will be
> installed.  The CPU I am planning to use is based on the Intel i5-4670
> which has integrated in it the Intel HD4600 GPU.  The mainboard I want to
> use is a Gigabyte GA-87N.
>
> The monitor I would like to use is an AOS E2051SDN which is capable of a
> maximum resolution of 1600x900 @ 60Hz, although it is capable of smaller
> resolutions.  Would the described CPU + integrated GPU with Wheezy be
> capable of handling this monitor, with or without any special setup?

You should be fine. I can't test it for you, but I'm running two
external WUXGA monitors (1920x1200) on an intel laptop which is well
over a year old - newer gear should be fine with Intel anyway.

Good luck
Zenaan


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Re: Having weird seqfaults

[Zenaan Harkness]

On 12/12/13, Goren Buckwalk  wrote:
> But maybe someone can suggest a good place to discuss
> older PC hardware.

If trying to use debian on your hardware, this list is ok.

How old is the hardware? Ie if it's _very_ old, you might try an _old_
Debian distribution - just one possible line of testing.

Was it yours before? Ie, if yes, then the problem is "new" and more
likely software, if no, the problem is unknown?

> I am trying to rehab an older system, I just installed a fresh copy of
> wheezy using the LXDE boot CD. I am now keep getting segfaults when doing
> random things. The machine has 386megs of ram, and booted up the system is
> using about half of this at most. I was in the process of shutting unneeded
> services, etc to make it leaner when i first noticed the problem.

So just segfault when trying to run certain application(s)?
If you can consistently reproduce a segfault, then that is excellent
news - should be easier to debug.

Did you check the various logs immediately after the segfault? Eg:
cd /var/log
ls -lrt # most recent logs at bottom

> This problem is very frustrating, it seems to happen a lot when running the
> console and I hit tab to do file completion. In the gui doing some basic

Could be disk. Could be RAM. Could be something else. Possibly software.

To eliminate RAM, boot the install CD and run the memcheck option -
let it run for a few hours/ a few full cycles, and see if it crashes
or says your RAM has faults.

Just re-seating your RAM can sometimes fix RAM problem.

> things causes it (like adding a couple of apps to the launcher, but running
> a browser like midori doesn't cause a problem.

Do you consistently, or just randomly, get segfault when running those apps?

Good luck
Zenaan


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Re: Debian Wheezy Compromised - www-data user is sending 1000 emails an hour

[Bob Bernstein]

On Wed, Dec 11, 2013 at 08:57:57PM -0600, Lukasz Szybalski wrote:

>I run my own site, and I do have postfix, apache, wordpress, 
>and moinmoin installed. www-data is sending 100s of emails a 
>minute.

I hope you have by hook or crook pulled the plug on this system by 
now. I believe you have had a close encounter of the maddening kind 
with sql injection. I wish I had a quick url to which to send you, 
but google 'sql injection php' after you shut down postfix.

May one ask what hosting provider are you using?

Please note the above is merely *suggested* as I have no expertise 
in these matters beyond what happened to me some time ago. Good 
luck.
 
-- 
Bob Bernstein

I am dissatisfied, profoundly so, with the world as it is. But I 
would be dissatisfied with any world. And I'd hate to lose my 
dissatisfaction.

   Alfred Kazin
 


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Using an AOS 1600x900 monitor with Wheezy

[Ken Heard]

I am in the process of assembling a new box in which Wheezy will be
installed.  The CPU I am planning to use is based on the Intel i5-4670
which has integrated in it the Intel HD4600 GPU.  The mainboard I want to
use is a Gigabyte GA-87N.

The monitor I would like to use is an AOS E2051SDN which is capable of a
maximum resolution of 1600x900 @ 60Hz, although it is capable of smaller
resolutions.  Would the described CPU + integrated GPU with Wheezy be
capable of handling this monitor, with or without any special setup?

Regards, Ken Heard

Re: Debian Wheezy Compromised - www-data user is sending 1000 emails an hour

[Tazman Deville]

On Wed, Dec 11, 2013 at 07:07:42PM -0800, David Christensen wrote:
> On 12/11/2013 06:57 PM, Lukasz Szybalski wrote:
> >I run my own site, and I do have postfix, apache, wordpress, and moinmoin
> >installed. www-data is sending 100s of emails a minute. Either wordpress or
> >moinmoin is compromised? How do I debug to find out where is the problem?
> 
> I suggest that you shut down the machine immediately, pull all the
> drives, take images, put them into another machine, mount them, and
> start analyzing the contents.

At the very least, stop postfix.

Taz
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Re: Debian Wheezy Compromised - www-data user is sending 1000 emails an hour

[David Christensen]

On 12/11/2013 06:57 PM, Lukasz Szybalski wrote:

I run my own site, and I do have postfix, apache, wordpress, and moinmoin
installed. www-data is sending 100s of emails a minute. Either wordpress or
moinmoin is compromised? How do I debug to find out where is the problem?


I suggest that you shut down the machine immediately, pull all the 
drives, take images, put them into another machine, mount them, and 
start analyzing the contents.



David


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Debian Wheezy Compromised - www-data user is sending 1000 emails an hour

[Lukasz Szybalski]

Hello,
I run my own site, and I do have postfix, apache, wordpress, and moinmoin
installed. www-data is sending 100s of emails a minute. Either wordpress or
moinmoin is compromised? How do I debug to find out where is the problem?

I'm watching the mail.log and I see a lot of "emails" being sent from my
domain to other sites. hotmail.com, yahoo, mac.com,etc

Looking at the logs I initially thought my postfix main.cf was setup
incorrectly, but after verifying and testing everything I confirmed it was
just fine.  I then looked at syslog and I found that UID 33 was sending all
these emails. UID33 is www-data. This makes me believe either wordpress or
moinmoin was compromised, or somehow it allows emails to be sent to "
y...@yahoo.com" from "famen...@mydomain.com".

One way I could fix it is to block/reject any emails from www-data user, or
add senders restrictions to check "mail from" to see if its valid. While
this would be fine, the problem is still there. Either wordpress or
moinmoin on debian wheezy is compromised and can be used to send out 1000s
of spam emails.

What can I do to find out "which part of the code" is calling the sendmail,
or postfx pickup program?

Dec 11 20:51:22 myserver postfix/pickup[15547]: A9C91AE012: uid=33 from=<
joanne_mcc...@mydomain.com>

Dec 11 20:52:05 myserver postfix/pickup[15547]: B2972AE030: uid=33 from=<
pam_hend...@mydomain.com>
Dec 11 20:52:05 myserver postfix/cleanup[17248]: B2972AE030: message-id=<
20131212025205.b2972ae...@mydomain.com>
Dec 11 20:52:06 myserver postfix/qmgr[31735]: B2972AE030: from=<
pam_hend...@mydomain.com>, size=678, nrcpt=1 (queue active)

I've increased the debug mode for postfix, but it does not generate any
usefull info other then what I know already.


Thank you
Lucas

Re: Xfce config question

[Diep Pham Van]

On Wed, 11 Dec 2013 17:49:26 -0700
Paul E Condon  wrote:

> I want to configure the clock display in Wheezy-Xfce to display
> date and time of day combined and in an arrangement that is like
> this
> 20120123 213703
> i.e. 
> MMDD HHMMSS
You should add Orage Panel Clock to lower panel and read man strftime.

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Having weird seqfaults

[Goren Buckwalk]

Sorry if this is off topic, being (i think) more of a hardware issue than a 
software problem. But maybe someone can suggest a good place to discuss older 
PC hardware.

I am trying to rehab an older system, I just installed a fresh copy of wheezy 
using the LXDE boot CD. I am now keep getting segfaults when doing random 
things. The machine has 386megs of ram, and booted up the system is using about 
half of this at most. I was in the process of shutting unneeded services, etc 
to make it leaner when i first noticed the problem. I just barely going on this 
so not much was done, mostly tweaking the appearance of the GUI. I do not think 
I had a chance to do anything wacky enough to cause this though.

This problem is very frustrating, it seems to happen a lot when running the 
console and I hit tab to do file completion. In the gui doing some basic things 
causes it (like adding a couple of apps to the launcher, but running a browser 
like midori doesn't cause a problem. It might be gtk related because I see 
references to gtklibs in a lot of segfaults in the logs.

My main question then is does this sound like a flaky hardware problem? Any 
thoughts on whether it would it be the processor, RAM or the motherboard? 
Thanks.


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Re: sudo security Was: Reporting missing package during install

[Bob Proulx]

Ralf Mardorf wrote:
> http://www.paritynews.com/2013/03/05/762/sudo-authentication-bypass-vulnerability-emerges/

In the article:

  ... it must be possible for users to modify the system time without
  entering a password.

How would this be accomplished?  (Answer cannot contain a use of sudo!
No circular logic please.)

Regardless, Debian is already shipping versions which addresses that
concern.  It was reported 27-Feb-2013 and closed as fixed on
01-Mar-2013.

  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=701838

> But note! The Chaos Computer Club does publish howtos using sudo on
> Linux: http://muc.ccc.de/uberbus:ubd
> 
> I don't think the Chaos Computer Club folks would write a howto using
> sudo, if sudo would be a security risk.

Right.  Because normal users can't change the system time.  If they
could other attacks would also be possible.

Bob


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Re: Jesse install images?

[Shane Johnson]

Sorry I also should have stated that you can use either a Live CD or a
Rescue CD.

Shane


On Wed, Dec 11, 2013 at 6:57 PM, Shane Johnson
wrote:

> Nope, It's a little more difficult, but you can do a bootstrap install
> following these instructions adapted to Debian.
>
> Ubuntu Debootstrap 
> instructions
>
> Shane
>
>
> On Wed, Dec 11, 2013 at 6:36 PM, Jon N  wrote:
>
>> I have a new computer that needs (AFAIK) the kernel version 3.10 or
>> better to support my ethernet (Qualcomm Atheros AR8171).  I was hoping
>> I could do this with a small download, like the net insttall ISO, but
>> so far I haven't been able to find one.  Are by only choices to
>> install Jesse to download multiple CD or 1 DVD file?
>>
>> Thanks,
>> Jon
>>
>>
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>>
>
>
> --
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> IT Administrator
> Rasmussen Equipment
>
>
>


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IT Administrator
Rasmussen Equipment

Re: Jesse install images?

[Shane Johnson]

Nope, It's a little more difficult, but you can do a bootstrap install
following these instructions adapted to Debian.

Ubuntu Debootstrap
instructions

Shane


On Wed, Dec 11, 2013 at 6:36 PM, Jon N  wrote:

> I have a new computer that needs (AFAIK) the kernel version 3.10 or
> better to support my ethernet (Qualcomm Atheros AR8171).  I was hoping
> I could do this with a small download, like the net insttall ISO, but
> so far I haven't been able to find one.  Are by only choices to
> install Jesse to download multiple CD or 1 DVD file?
>
> Thanks,
> Jon
>
>
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>


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Jesse install images?

[Jon N]

I have a new computer that needs (AFAIK) the kernel version 3.10 or
better to support my ethernet (Qualcomm Atheros AR8171).  I was hoping
I could do this with a small download, like the net insttall ISO, but
so far I haven't been able to find one.  Are by only choices to
install Jesse to download multiple CD or 1 DVD file?

Thanks,
Jon


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Re: Debianly Correct place to add ~/bin to $PATH ?

[Paul E Condon]

Thankyou, but I think I have solved the problem by adding a line
to ~/.bashrc , as was suggested on this list. Sorry for the confusing
way I announced the problem solved and then proceeded to continue
posting to the thread.

Thanks to all, and I hope I can refrain from making this thread a
continuing blog. ;-)

On 20131211_101148, Zenaan Harkness wrote:
> On 12/10/13, Paul E Condon  wrote:
> ..
> > Now, I want to try to do things in the way the developers had
> > in mind when they built the install CD images.
> >
> > I see the file ~/.profile . It contains code that tests for the
> > existence of ~/bin/ and adds it to $PATH , if it exists.  But it
> > doesn't 'work'. After I have created my ~/bin/.  and filled it with
> > some scripts, and rebooted, there is still no mention of ~/bin/ in
> > $PATH .
> 
> Here is where you might provide more information about how you're
> logging in, to properly debug your problem. Yes it sounds like
> something is not quite right.
> 
> There are different ways to log in:
> a) linux console
> b) remote ssh login
> c) graphical desktop login, then some ?term terminal
> 
> A general principal of debugging (whether networking, shell
> environment, etc) is to start with the lowest technical level, and
> work up from there, to eliminate the lowest level of possible problems
> first, to avoid excess wandering fruitless journeys.
> 
> So, if you have a ?DM graphical login manager installed by default,
> first start testing by reboot, then Ctrl-Alt-F1 to get to a plain
> ("low level"), linux console, and log in there.
> 
> Then of course echo $PATH, and tell us what you get.
> 
> Let's get your linux console login environment sorted first (if you
> are willing), then we can work on a graphical login environment
> problem.
> 
> 
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> 

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Re: udev rule for a kindle

[Scott Ferguson]

On 12/12/13 01:01, Sharon Kimble wrote:
> 
> I have a script for backing up my kindle when its first mounted, but 
> its not running on mounting, but *does* run when invoked manually!
> When the kindle is mounted it should trigger this udev rule -
> 
> # saved to /etc/udev/rules.d/85-kindle.rules ACTION=="add",\ 
> SYSFS{idVendor}=="1949", SYSFS{idProduct}=="0004",\ 
> RUN+="/home/boudiccas/bin/obkindle"
> 
> but its not happening. The script 'obkindle' has it being executable 
> from all users, so it should in theory be executable by the system
> when the kindle is mounted. According to 'lsusb' the kindle is
> recognised as -
> 
> Bus 001 Device 018: ID 1949:0004 Lab126, Inc. Amazon Kindle
> 3/4/Paperwhite

To get the correct udev parameters for the device:-
udevadm info -a -p $(udevadm info -q path -n $mount) | less

where $mount is where it is mounted


> 
> Can anyone show me where and why its not running on mounting please?

No. Sorry, but I can point you at where it's not working (bad tag). My
Kindle "just works". SOLID/udisk/KDE/Wheezy automagically mounts the
internal storage at /media/Kindle (and Calibre detects it).

You do know your Kindle *is* Linux and easy to root right? I back up the
Linux, but not the ELibrary (storage) as that's a (partial) backup of my
Calibre collection.

> 
> Thanks Sharon.
> 

Try (though I 'suspect" ACTION is unnecessary):-
ACTION=="add",SUBSYSTEM=="usb", ATTR{idVendor}=="1949",
ATTR{idProduct}=="0004", MODE="0666", RUN+="/home/boudiccas/bin/obkindle"

Look at:-
$ grep kindle /var/log/syslog
you'll probably find "unknown key 'SYSFS" and other useful hints
also "udevadm monitor --kernel" and "udevadm monitor --udev" will give
you some real-time info about udev.

Don't forget to "# udevadm control --reload-rules" when you add a new
udev rule.


Kind regards


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Xfce config question

[Paul E Condon]

I want to configure the clock display in Wheezy-Xfce to display
date and time of day combined and in an arrangement that is like
this
20120123 213703
i.e. 
MMDD HHMMSS

I had something this once before in the lower Panel, but I lost
it in a failed disk incident, and I can't remember where the
date/time display configuration is documented (and can't find just by
looking in there 'help'). I think I have found places where I can
type in format codes for date and time separately, but not together
in a single window, and I can't find a list of format codes from 
which to choose what to type.

Does anyone know? 

TIA

-- 
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pecon...@mesanetworks.net


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Re: sudo security Was: Reporting missing package during install

[Ralf Mardorf]

http://www.paritynews.com/2013/03/05/762/sudo-authentication-bypass-vulnerability-emerges/

But note! The Chaos Computer Club does publish howtos using sudo on
Linux: http://muc.ccc.de/uberbus:ubd

I don't think the Chaos Computer Club folks would write a howto using
sudo, if sudo would be a security risk.





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Re: libdrm-nouveau2/libdrm-radeon1 installed as requirement to libgl1-mesa-dri

[Ivan Kovnatsky]

On Dec 10, 2013 at 14:54, Chris Bannister  wrote:
> On Sat, Dec 07, 2013 at 08:06:42PM +0100, Ralf Mardorf wrote:
> > 
> > Sometimes there are insane hard dependencies, but what's bad with those
> > dependencies? Take a look at the modules compiled into the default
> > kernel, most modules are unneeded on your machine ;).
> 
> Huh? That is not insane at all! It allows the kernel to boot on as many
> machines as possible.
> 
> AFAIU, only the modules which are necessary for your machine are
> actually loaded, so approx. an extra 20MB is used(?) which, these days, 
> shouldn't be a problem.

Hm, somehow I haven't seen response mail from Ralf.  OK, you guys that makes it
pretty clear.

I've been paying attention to kernel dependencies and quite for some time I did
compiled custom kernel, but in the end I've tired, since anyway not much
performance is gained.

Being a Gentoo fan/user for a while I was just curious about software
management and possibility to limit dependencies of software packages in
Debian. 

Cheers,

-Ivan


signature.asc
Description: Digital signature

Re: sudo security Was: Reporting missing package during install

[Brian]

On Wed 11 Dec 2013 at 21:04:48 +0100, Gian Uberto Lauri wrote:

> Gentleman, the exploits are unknown to you, not to the black market
> that supplies those investing in "not perfectly legitimate software".
> Should I quote stuxnet one more time or you took the time to read how
> it reached it's not-network-connected intended targets?

Thank you, no. Speculation is interesting but for the present I'll stick
with viewing Debian's default installation of services as secure, with
serious attacks against them capable of being discovered and countered. 


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Re: VirtualBox kernel mod compile fails

[Kent West]

On 12/11/2013 03:47 PM, Kent West wrote:

Looks like there may be a bug, as suggested by Ralf's first link:

https://forums.virtualbox.org/viewtopic.php?f=7&t=53126





I'll try Ralf's solution:
Likely a Debian related issue. I would use VirtualBox from 
https://www.virtualbox.org/wiki/Linux_Downloads 




That worked; I downloaded the .deb from that site, and "dpkg -i"d it. 
Works great.


Thanks!

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Re: VirtualBox kernel mod compile fails

[Kent West]

On 12/11/2013 03:24 PM, Reco wrote:

  Hi.

On Wed, 11 Dec 2013 21:54:39 +0100
Ralf Mardorf  wrote:


On Thu, 2013-12-12 at 00:37 +0400, Reco wrote:

DKMS should be able to build the modules for more or less every version
of virtual box with more or less every kernel headers, as long as they
are not years apart and as long as there should be no obscure Debian
patches. I'm doing this for different distros even with rt patched
kernels.

Given the general quality of VirtualBox upstream developers (currently -
Oracle), there is a huge difference between 'DKMS should build' and
'DKMS can actually build something that works'. Kernel developers put
it simple:

https://lkml.org/lkml/2011/10/6/317


But, rants aside - this particular problem is described at Debian Bug
696011. Long story short - out-of-tree kernel modules break from time to
time, and for Virtualbox 4.1 that happened for kernels > 3.7.

Solution 1: Apply patch to virtualbox kernel module source.

Solution 2: Install backported Virtualbox, where the problem is solved.

Which one is simplier in your option?

Reco



Looks like there may be a bug, as suggested by Ralf's first link:

https://forums.virtualbox.org/viewtopic.php?f=7&t=53126


westk[@]goshen]:/home/westk:> sudo aptitude -t wheezy-backports install 
virtualbox

The following NEW packages will be installed:
  dkms{a} fakeroot{a} libcurl3{a} libgsoap2{a} libvncserver0{a} 
patch{a} virtualbox virtualbox-dkms{a}

  virtualbox-qt{a}
0 packages upgraded, 9 newly installed, 0 to remove and 59 not upgraded.
Need to get 0 B/18.9 MB of archives. After unpacking 71.5 MB will be used.
Do you want to continue? [Y/n/?]
Selecting previously unselected package libcurl3:amd64.
(Reading database ... 147389 files and directories currently installed.)
...
First Installation: checking all kernels...
Building only for 3.11-0.bpo.2-amd64
Building initial module for 3.11-0.bpo.2-amd64
Error! Bad return status for module build on kernel: 3.11-0.bpo.2-amd64 
(x86_64)

Consult /var/lib/dkms/virtualbox/4.1.18/build/make.log for more information.
[ ok ] Stopping VirtualBox kernel modules.
[FAIL] Starting VirtualBox kernel modules[] No suitable module for 
running kernel found ... failed!

 failed!
invoke-rc.d: initscript virtualbox, action "restart" failed.
Setting up virtualbox-qt (4.1.18-dfsg-2+deb7u1) ...


I'll try Ralf's solution:
Likely a Debian related issue. I would use VirtualBox from 
https://www.virtualbox.org/wiki/Linux_Downloads 


Thanks!

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Re: VirtualBox kernel mod compile fails

[Ralf Mardorf]

PS: But I have all kinds of kernel releases installed, very old kernels
latest kernel, with and without rt patch and dkms always builds the
modules.


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Re: VirtualBox kernel mod compile fails

[Ralf Mardorf]

On Thu, 2013-12-12 at 01:24 +0400, Reco wrote:
> https://lkml.org/lkml/2011/10/6/317

Then I only but always had good luck. Because I share a VDI by different
Linux distros installed on the same machine, I also don't upgrade VBox
that often.

One of several distros:
warning: virtualbox: ignoring package upgrade (4.2.12-2 => 4.3.4-1)

Regards,
Ralf



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Re: VirtualBox kernel mod compile fails

[Reco]

 Hi.

On Wed, 11 Dec 2013 21:54:39 +0100
Ralf Mardorf  wrote:

> On Thu, 2013-12-12 at 00:37 +0400, Reco wrote:
> 
> DKMS should be able to build the modules for more or less every version
> of virtual box with more or less every kernel headers, as long as they
> are not years apart and as long as there should be no obscure Debian
> patches. I'm doing this for different distros even with rt patched
> kernels.

Given the general quality of VirtualBox upstream developers (currently -
Oracle), there is a huge difference between 'DKMS should build' and
'DKMS can actually build something that works'. Kernel developers put
it simple:

https://lkml.org/lkml/2011/10/6/317


But, rants aside - this particular problem is described at Debian Bug
696011. Long story short - out-of-tree kernel modules break from time to
time, and for Virtualbox 4.1 that happened for kernels > 3.7.

Solution 1: Apply patch to virtualbox kernel module source.

Solution 2: Install backported Virtualbox, where the problem is solved.

Which one is simplier in your option?

Reco


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Re: VirtualBox kernel mod compile fails

[Reco]

 Hi.

On Wed, 11 Dec 2013 21:54:39 +0100
Ralf Mardorf  wrote:

> On Thu, 2013-12-12 at 00:37 +0400, Reco wrote:
> 
> DKMS should be able to build the modules for more or less every version
> of virtual box with more or less every kernel headers, as long as they
> are not years apart and as long as there should be no obscure Debian
> patches. I'm doing this for different distros even with rt patched
> kernels.

Given the general quality of VirtualBox upstream developers (currently -
Oracle), there is a huge difference between 'DKMS should build' and
'DKMS can actually build something that works'. Kernel developers put
it simple:

https://lkml.org/lkml/2011/10/6/317


But, rants aside - this particular problem is described at Debian Bug
696011. Long story short - out-of-tree kernel modules break from time to
time, and for Virtualbox 4.1 that happened for kernels > 3.7.

Solution 1: Apply patch to virtualbox kernel module source.

Solution 2: Install backported Virtualbox, where the problem is solved.

Which one is simplier in your option?

Reco


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Re: VirtualBox kernel mod compile fails

[Ralf Mardorf]

On Thu, 2013-12-12 at 00:37 +0400, Reco wrote:
>  Hi again.
> 
> On Wed, 11 Dec 2013 14:31:54 -0600
> Kent West  wrote:
> 
> > Setting up virtualbox-dkms (4.1.18-dfsg-2+deb7u1) ...
> …
> > Building only for 3.11-0.bpo.2-amd64
> 
> You use backported kernel, but stock VirtualBox kernel module source.
> This won't fly.
> 
> To make it work, you should upgrade virtualbox and its' dependents to
> wheezy-backports' versions.

DKMS should be able to build the modules for more or less every version
of virtual box with more or less every kernel headers, as long as they
are not years apart and as long as there should be no obscure Debian
patches. I'm doing this for different distros even with rt patched
kernels.



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Re: VirtualBox kernel mod compile fails

[Ralf Mardorf]

On Wed, 2013-12-11 at 14:31 -0600, Kent West wrote:
> error: ‘VM_RESERVED’ undeclared (first use in this function)

https://forums.virtualbox.org/viewtopic.php?f=7&t=53126

Likely a Debian related issue. I would use VirtualBox from
https://www.virtualbox.org/wiki/Linux_Downloads

Regards,
Ralf



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Re: VirtualBox kernel mod compile fails

[Reco]

 Hi again.

On Wed, 11 Dec 2013 14:31:54 -0600
Kent West  wrote:

> Setting up virtualbox-dkms (4.1.18-dfsg-2+deb7u1) ...
…
> Building only for 3.11-0.bpo.2-amd64

You use backported kernel, but stock VirtualBox kernel module source.
This won't fly.

To make it work, you should upgrade virtualbox and its' dependents to
wheezy-backports' versions.

Reco


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Re: sudo security Was: Reporting missing package during install

[Iain M Conochie]

On 11/12/13 08:01, Gian Uberto Lauri wrote:

  > Encrypt your hard disk.

Hoping that the encryption you use has no backdoor.
You do understand what the peer review process is right? Although not a 
magic bullet, it can help weed this out.





Choose a *very* good password.

For the encryption, I suppose. That once one has his hands on the
hardware there is no user/prom/bios password stopping his intrusion.


Oh please. A BIOS password does nothing if your computer is stolen. Just 
remove the disk and put it in another one.




  > Unless they are a honey trap - and then you can see what is actually
  > trying to break into your network

Honey trap are honey trap, not unguarded computers - I mean computer
people use without care for security.

OK - misunderstanding there - sorry.


Security is a journey, not a destination. No one thing will make your 
computer use secure. Well, maybe never connecting it to a network is the 
one major thing you can do. However, that makes it un-usable in my 
opinion. You can never be completely secure. Just as in the world you 
can never be completely safe. You have to make compromises.


The one thing I would say is that security by obscurity is worse than no 
security as it gives you the nice warm glow that you are secure without 
being so. I see this alot in the commercial world and it really sucks :(


Iain


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VirtualBox kernel mod compile fails

[Kent West]

I have a new Dell that has a new network adapter that is not supported 
by the wheezy kernel (3.2), so I started my new install of Debian with a 
minimal jessie network installer, since it's kernel (3.11) does work 
with my network adapter. Once I got to a very minimal install, I changed 
my apt sources.list to point only to wheezy, and downgraded best as I 
could, including the kernel, which again broke my network. I then 
rebooted in rescue mode from the jessie DVD into the wheezy root system, 
and installed the 3.11 kernel from backports, and rebooted. All is fine.


Except, when I try to install virtualbox, I get this:

Setting up libcurl3:amd64 (7.26.0-1+wheezy6) ...
Setting up libvncserver0:amd64 (0.9.9+dfsg-1) ...
Setting up libgsoap2 (2.8.7-2) ...
Setting up virtualbox (4.1.18-dfsg-2+deb7u1) ...
[ ok ] Stopping VirtualBox kernel modules.
[FAIL] Starting VirtualBox kernel modules[] No suitable module for 
running kernel found ... failed!

failed!
invoke-rc.d: initscript virtualbox, action "restart" failed.
Setting up patch (2.6.1-3) ...
Setting up dkms (2.2.0.3-1.2) ...
Setting up virtualbox-dkms (4.1.18-dfsg-2+deb7u1) ...
Loading new virtualbox-4.1.18 DKMS files...
First Installation: checking all kernels...
Building only for 3.11-0.bpo.2-amd64
Building initial module for 3.11-0.bpo.2-amd64
Error! Bad return status for module build on kernel: 3.11-0.bpo.2-amd64 
(x86_64)

Consult /var/lib/dkms/virtualbox/4.1.18/build/make.log for more information.
[ ok ] Stopping VirtualBox kernel modules.
[FAIL] Starting VirtualBox kernel modules[] No suitable module for 
running kernel found ... failed!

failed!
invoke-rc.d: initscript virtualbox, action "restart" failed.


westk[@]goshen]:/home/westk:> cat 
/var/lib/dkms/virtualbox/4.1.18/build/make.log

DKMS make.log for virtualbox-4.1.18 for kernel 3.11-0.bpo.2-amd64 (x86_64)
Wed Dec 11 14:27:39 CST 2013
make: Entering directory `/usr/src/linux-headers-3.11-0.bpo.2-amd64'
LD /var/lib/dkms/virtualbox/4.1.18/build/built-in.o
LD /var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/built-in.o
CC [M] /var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/linux/SUPDrv-linux.o
CC [M] /var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/SUPDrv.o
CC [M] /var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/SUPDrvSem.o
CC [M] /var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/alloc-r0drv.o
CC [M] /var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/initterm-r0drv.o
CC [M] /var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/memobj-r0drv.o
CC [M] 
/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/mpnotification-r0drv.o
CC [M] 
/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/powernotification-r0drv.o
CC [M] 
/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/linux/assert-r0drv-linux.o
CC [M] 
/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/linux/alloc-r0drv-linux.o
CC [M] 
/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/linux/initterm-r0drv-linux.o
CC [M] 
/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/linux/memobj-r0drv-linux.o
/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/linux/memobj-r0drv-linux.c: 
In function ‘rtR0MemObjNativeMapUser’:
/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/linux/memobj-r0drv-linux.c:1451:38: 
error: ‘VM_RESERVED’ undeclared (first use in this function)
/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/linux/memobj-r0drv-linux.c:1451:38: 
note: each undeclared identifier is reported only once for each function 
it appears in
make[4]: *** 
[/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv/r0drv/linux/memobj-r0drv-linux.o] 
Error 1

make[3]: *** [/var/lib/dkms/virtualbox/4.1.18/build/vboxdrv] Error 2
make[2]: *** [_module_/var/lib/dkms/virtualbox/4.1.18/build] Error 2
make[1]: *** [sub-make] Error 2
make: *** [all] Error 2
make: Leaving directory `/usr/src/linux-headers-3.11-0.bpo.2-amd64'


Any suggestions?

Thanks!

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Re: Postgresql setup on Debian system

[Gary Roach]

On 12/10/2013 11:13 PM, Raffaele Morelli wrote:
2013/12/11 Gary Roach >


I just switched from using PHP and Mysql to Python / Django and
Postgresql. I am having trouble with the setup of Postgresql
permissions. I am locked out of some parts of the system and am
unsure when to use postgres login vs user login. Most of the
Postgresql instructions are written for non-debian like
installations. They have one do a bunch of things that Debian does
automatically (I think). I found the Debian README confusing,
especially in regards to setting up a special shell that I don't
think I need. Most of the instructions seem to have already been
done automatically.


Debian does not tweak things for you, the special shell you are 
talking about is just (I guess) the psql terminal interface to postgres.


Postgres permissions administration is not trivial and if you are 
looking for security on a per database basis you should read carefully 
how it works.

http://www.postgresql.org/docs/9.1/static/client-authentication.html

BTW you are not clear: what are you trying to achieve?
Not too surprising that I wasn't clear. I feel like I'm floundering 
around. I am trying to build a data archiving system that will have 
multiple levels of users and has a web page access system. Python, 
Django, html and javascript will take care of most of the project. I 
just need to get the permissions setup for Postgresql. Thanks for 
pointing out Chapter 19 of the manual. I haven't read it yet but will do 
so asap. I guess I am primarily struggling with the setting up of 
accounts and roles; which I guess is about 90% of the database setup. I 
probably need to just read more and hope for the best.


Gary R.

Re: Network services started before NIC UP.

[Erwan David]

On Wed, Dec 11, 2013 at 07:02:14PM CET, Bob Proulx  said:

> 
> In that case we will need to keep peeling back layers until the root
> cause is found.  How are you starting the network?  Is this a section
> listed in /etc/network/interfaces?  Please show us the section.  Or is
> this using NetworkManager / wicd?  (If NetworkManager/wicd then there
> will be no section in /etc/network/interfaces for your network
> device.  No config there means that NM/wicd manages it.)

Everything in /etc/networkinterfaces.

It is a bit complicated let me explain the situation before going to 
configuration :

The machine has 2 IPv4 addresses and 1 IPv6 on same physical
interface.  IPv6 is fixed, but I must get a prefix delegation by a
dhcpv6 client for the prefix I get from hoster to be routed to the
machine (I use dibbler per the hoster doc, but I could you another one)

So here is /etc/network/interfaces

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

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet static
address 88.190.17.120
netmask 255.255.255.0
gateway 88.190.17.1
up ip addr add 88.191.245.121/32 dev eth0 label eth0:0
up ip -6 addr add 2001:0bc8:30d3::1/64 dev eth0
down ip addr del 88.191.245.121/32 dev eth0 label eth0:0
down ip -6 addr del 2001:0bc8:30d3::1/64 dev eth0

88.190.17.120 is the "private" address (if I change server I will get
another address) 88.191.245.121 and 2001:0bc8:30d3::1 are the "public
addresses", becaus I may migrate them to another machine at same
hoster, making them more robust for public facing services (web email
and ntp server in pool.ntp.org for this one)

The router for IPv6 is given through the RA (I have the correct sysctl
set up for accepting teh RA *and* routing IPv6)

resolv.conf is 

search rail.eu.org
nameserver 127.0.0.1


unbound listen on loopback when it is started:

unbound 3048 unbound3u  IPv4  11035  0t0  UDP 127.0.0.1:domain 
unbound 3048 unbound4u  IPv4  11036  0t0  TCP 127.0.0.1:domain (LISTEN)
unbound 3048 unbound5u  IPv6  11037  0t0  UDP [::1]:domain 
unbound 3048 unbound6u  IPv6  11038  0t0  TCP [::1]:domain (LISTEN)



> To get ahead in the discussion I will suggest this excellent reference
> for understanding the /etc/network/interfaces file.
> 
>   
> http://www.debian.org/doc/manuals/debian-reference/ch05.en.html#_the_basic_syntax_of_etc_network_interfaces

I know it thanks

> 
> Just for the purposes of debugging if you are using "allow-hotplug"
> then try switching that to "auto".  In theory allow-hotplug should
> always work but since it is the newer event driven method sometimes
> there are still bugs to be found.  It is possible that your case is
> one of those.  Try "auto" instead and see if that older start ordering
> causes things to work in the correct way.

I always use auto for fixed machines, like this server.

> The errors you showed in the log file were from dns name resolution
> failures.  How are nameservers configured for your machine?  Are you
> using DHCP to set them?  Or are they statically definited?  Are you
> running a local machine nameserver daemon such as bind9 or dnsmasq or
> other?  What is in the /etc/resolv.conf file?

I use 2 dns servers, on different IP addresses : NSD on public
addresses, authoritative for the rail.eu.org zone and
2001:0bc8:30d3::/48 reverse zone, unbound on loopback and
88.190.17.120 as recursive server for my small infrastructure

But the problem is not here. I realize that my choice of logs was
rather poor. Here is another excerpt that I will comment

Dec 10 18:21:24 tee kernel: [   14.722600] loop: module loaded
Dec 10 18:21:24 tee kernel: [   15.276191] bnx2 :02:00.0: firmware: agent 
loaded bnx2/bnx2-mips-09-6.2.1b.fw into memory
Dec 10 18:21:24 tee kernel: [   15.282623] bnx2 :02:00.0: firmware: agent 
loaded bnx2/bnx2-rv2p-09-6.0.17.fw into memory
Dec 10 18:21:24 tee kernel: [   15.282687] bnx2 :02:00.0: irq 49 for 
MSI/MSI-X
Dec 10 18:21:24 tee kernel: [   15.282699] bnx2 :02:00.0: irq 50 for 
MSI/MSI-X
Dec 10 18:21:24 tee kernel: [   15.282712] bnx2 :02:00.0: irq 51 for 
MSI/MSI-X
Dec 10 18:21:24 tee kernel: [   15.282718] bnx2 :02:00.0: irq 52 for 
MSI/MSI-X
Dec 10 18:21:24 tee kernel: [   15.282725] bnx2 :02:00.0: irq 53 for 
MSI/MSI-X
Dec 10 18:21:24 tee kernel: [   15.282732] bnx2 :02:00.0: irq 54 for 
MSI/MSI-X
Dec 10 18:21:24 tee kernel: [   15.282739] bnx2 :02:00.0: irq 55 for 
MSI/MSI-X
Dec 10 18:21:24 tee kernel: [   15.282746] bnx2 :02:00.0: irq 56 for 
MSI/MSI-X
Dec 10 18:21:24 tee kernel: [   15.282752] bnx2 :02:00.0: irq 57 for 
MSI/MSI-X
Dec 10 18:21:24 tee kernel: [   15.347478] bnx2 :02:00.0 eth0: using MSIX
Dec 10 18:21:24 tee kernel: [   15.347685] IPv6: ADDRCONF(NETDEV_UP): eth0: 
link is not ready

-> link not re

Re: sudo security Was: Reporting missing package during install

[Gian Uberto Lauri]

Gentleman, the exploits are unknown to you, not to the black market that 
supplies 
those investing in "not perfectly legitimate software". Should I quote stuxnet 
one more time or you took the time to read how it reached it's 
not-network-connected intended targets?


--
Gian Uberto Lauri
Messaggio inviato da un tablet

> On 11/dic/2013, at 17:22, Brian  wrote:
> 
>> On Wed 11 Dec 2013 at 09:11:56 +0100, Gian Uberto Lauri wrote:
>> 
>> Brian writes:
>> 
>>> We do not worry about serious, unpublicised exploits. Their existance is
>>> of little consquence for your argument as your "attackers" would not
>>> know about them.
>> 
>> Are you kidding?
> 
> About attackers being unable to take any significant action over
> something they don't know about? Not really; its rather obvious.
> 
> 
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> 


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Re: No Sources for Backported Kernels?

[Kent West]

On 12/11/2013 11:46 AM, Reco wrote:

  Hi.

On Wed, 11 Dec 2013 11:33:08 -0600
Kent West  wrote:


I have a new Dell Precision T1700 that has a network adapter which is
not recognized by wheezy's kernel (3.2). So I've installed the
backported 3.11 kernel, which does work with my NIC. However, now my
virtualbox modules won't compile, complaining that the source for this
kernel is not installed:

Setting up virtualbox-dkms (4.1.18-dfsg-2+deb7u1) ...
Loading new virtualbox-4.1.18 DKMS files...
First Installation: checking all kernels...
Building only for 3.11-0.bpo.2-amd64
Module build for the currently running kernel was skipped since the
kernel source for this kernel does not seem to be installed.

Don't believe VirtualBox. It lies. It does not need kernel sources.
What it does need is kernel headers.

Specifically, you need to install linux-headers-3.11-0.bpo.2-amd64 from
wheezy-backports.

Reco



Yea! Thanks, Reco! That got me farther along. It still doesn't work, but 
now it's a different problem, worthy of a different thread.


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Re: Network services started before NIC UP.

[Bob Proulx]

Erwan David wrote:
> Bob Proulx said:
> > Erwan David wrote:
> > > I have a problem that services are started on a server I manage before
> > > link is UP. This leads to some services failing, or not bound to every
> > > addresses :
> > 
> > Please say what release track you are using?  Unstable, Testing, Stable?
> 
> I use testing.

Testing.  Gotcha.

> > Please say whether you are using parallel boot or not. 
> 
> I use the stndard testing sysVrc with "make style parrallel boot".
> 
> > Running
> > 'insserv' manually and noting any errors and reporting them would be
> > very useful.
> > 
> >   # insserv -v
> >   insserv: creating .depend.boot
> >   insserv: creating .depend.start
> >   insserv: creating .depend.stop
> 
> No error.

Very good.  Many systems upgrading from Squeeze 6 to Wheezy 7 are held
back to the legacy boot ordering due to "obsolete conffiles" in
/etc/init.d that don't contain LSB headers.

> > The 'ntpdate' package is obsolete.  You should remove it and let ntpd
> > do the task itself.  I think that is very likely the problem.  I think
> > you have an old ntpdate package installed when it should have been
> > removed.  I think this old package is one (of possibly several) that
> > is causing the boot sequence to be legacy mode instead of the current
> > parallel mode controlled by insserv.  I think because of those things
> > the boot order is unhappy on your system.
> 
> I maay remove ntpdate, but other services are touched by the
> problem. Most annoyings are the dibbler dhcpv6 client (which does not
> get any answer) and NSD name server (which binds to the IPv4 address
> but not to the IUPv6 one which is at that time not yet configured).

In that case we will need to keep peeling back layers until the root
cause is found.  How are you starting the network?  Is this a section
listed in /etc/network/interfaces?  Please show us the section.  Or is
this using NetworkManager / wicd?  (If NetworkManager/wicd then there
will be no section in /etc/network/interfaces for your network
device.  No config there means that NM/wicd manages it.)

To get ahead in the discussion I will suggest this excellent reference
for understanding the /etc/network/interfaces file.

  
http://www.debian.org/doc/manuals/debian-reference/ch05.en.html#_the_basic_syntax_of_etc_network_interfaces

Just for the purposes of debugging if you are using "allow-hotplug"
then try switching that to "auto".  In theory allow-hotplug should
always work but since it is the newer event driven method sometimes
there are still bugs to be found.  It is possible that your case is
one of those.  Try "auto" instead and see if that older start ordering
causes things to work in the correct way.

The errors you showed in the log file were from dns name resolution
failures.  How are nameservers configured for your machine?  Are you
using DHCP to set them?  Or are they statically definited?  Are you
running a local machine nameserver daemon such as bind9 or dnsmasq or
other?  What is in the /etc/resolv.conf file?

Bob


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Description: Digital signature

Re: Debianly Correct place to add ~/bin to $PATH ? - .xsession vs .xinitrc

[Bob Proulx]

Brian wrote:
> Zenaan Harkness wrote:
> > Bob Proulx wrote:
> > > I prefer:
> > > ,[ ~/.xsession ]
> > > | #!/bin/bash --login
> > > | exec x-session-manager
> > > `
> > >
> > > And VERY IMPORTANT FOR THE ABOVE then be sure to:
> > >
> > >   chmod a+x ~/.xsession
> > 
> > This looks like an elegant solution. Thank you.
> > 
> > I currently have .xinitrc with a single line:
> > exec ck-launch-session startxfce4

I assume by your use of .xinitrc that you are logging into the Linux
virtual console (aka a text console) and then starting X by launching
it with either "xinit" or "startx"?  Is that correct?  Otherwise I
don't believe the .xinitrc file would be used.  (I do this too.)

The ck-launch-session program is an undocumented part of consolekit.
The x-session-manager is a Debian "alternative" that launches the
currently installed and configured X session manager.  Could be GNOME,
KDE, LXDE, XFCE or even lighter could be Openbox.  x-session-manager
implies a Desktop Environment.

  $ update-alternatives --display x-session-manager
  x-session-manager - manual mode
link currently points to /usr/bin/xfce4-session
  /usr/bin/gnome-session - priority 50
slave x-session-manager.1.gz: /usr/share/man/man1/gnome-session.1.gz
  /usr/bin/lxsession - priority 49
slave x-session-manager.1.gz: /usr/share/man/man1/lxsession.1.gz
  /usr/bin/openbox-session - priority 40
slave x-session-manager.1.gz: /usr/share/man/man1/openbox-session.1.gz
  /usr/bin/startlxde - priority 50
slave x-session-manager.1.gz: /usr/share/man/man1/startlxde.1.gz
  /usr/bin/xfce4-session - priority 40
slave x-session-manager.1.gz: /usr/share/man/man1/xfce4-session.1.gz
  Current 'best' version is '/usr/bin/gnome-session'.

There is also the x-window-manager Debian "alternative" which is what
you have installed for a window manager.  It could be any one of the
long list window managers that you might have installed.

  $ update-alternatives --display x-window-manager
  x-window-manager - auto mode
link currently points to /usr/bin/fvwm2
  /usr/bin/awesome - priority 20
slave x-window-manager.1.gz: /usr/share/man/man1/awesome.1.gz
  /usr/bin/fvwm2 - priority 90
slave x-window-manager.1.gz: /usr/share/man/man1/fvwm2.1.gz
  /usr/bin/i3 - priority 20
slave x-window-manager.1.gz: /usr/share/man/man1/i3.1.gz
  /usr/bin/metacity - priority 60
slave x-window-manager.1.gz: /usr/share/man/man1/metacity.1.gz
  /usr/bin/openbox - priority 90
slave x-window-manager.1.gz: /usr/share/man/man1/openbox.1.gz
  /usr/bin/stumpwm - priority 20
slave x-window-manager.1.gz: /usr/share/man/man1/stumpwm.1.gz
  /usr/bin/twm - priority 40
slave x-window-manager.1.gz: /usr/share/man/man1/twm.1.gz
  /usr/bin/xfwm4 - priority 60
slave x-window-manager.1.gz: /usr/share/man/man1/xfwm4.1.gz
  Current 'best' version is '/usr/bin/fvwm2'.

I used x-session-manager in my example .xinitrc file because it is the
most general.  In reality I don't start a Desktop Environment.  For me
(and perhaps for you) using x-window-manager is more appropriate.
Actually I just start either 'fvwm' (or awesome, another window
manager) directly since I know exactly what I want there.  It is a
strongly personal preference for everyone.

> > Is .xession (as you show above) better or different to .xinitrc ?
> 
> I'd associate .xinitrc with xinit and startx (which is a frontend for
> xinit).
> 
> xdm uses xsession (and .xsession if it exists).

Correct.  The difference is the difference between starting X from the
user logged in by the text console _or_ having the graphical login
manager start X and then have you log into the already runnin
session.

The .xinitrc is used by 'xinit'.  You can log into one of the Linux
virtual consoles and start X with either 'xinit' or the 'startx'
wrapper for it.  The xinit program expects to find a configuration
file in $HOME/.xinitrc just like a typical program.  The startx script
is a system wrapper that points xinit to /etc system locations of
configuration files.  That way if the user has not set up window
managers, X resources, keymaps and so forth that a nice default system
set of all of those things will be used.

If you have a freshly created new user and no files then running
startx will start up something reasonable by what is configured in the
system /etc configuration files.  On the other hand if you are an
experienced user, know what you want, have customizations to set up
your own window manager and so forth then you will have overridden
everything startx would do.  In that case I prefer just to use xinit
directly since I am not using any of the features of startx.

The result between using xinit and startx does not really matter and
is no difference.  But just for simplication I prefer to remove extra
layers that don't do anything and work more directly.  Using .xinitrc
is about as simple as things can get.

If there are no customized user files then startx will point xinit to
the system /etc

Re: No Sources for Backported Kernels?

[Reco]

 Hi.

On Wed, 11 Dec 2013 11:33:08 -0600
Kent West  wrote:

> I have a new Dell Precision T1700 that has a network adapter which is 
> not recognized by wheezy's kernel (3.2). So I've installed the 
> backported 3.11 kernel, which does work with my NIC. However, now my 
> virtualbox modules won't compile, complaining that the source for this 
> kernel is not installed:
> 
> Setting up virtualbox-dkms (4.1.18-dfsg-2+deb7u1) ...
> Loading new virtualbox-4.1.18 DKMS files...
> First Installation: checking all kernels...
> Building only for 3.11-0.bpo.2-amd64
> Module build for the currently running kernel was skipped since the
> kernel source for this kernel does not seem to be installed.

Don't believe VirtualBox. It lies. It does not need kernel sources.
What it does need is kernel headers.

Specifically, you need to install linux-headers-3.11-0.bpo.2-amd64 from
wheezy-backports.

Reco


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No Sources for Backported Kernels?

[Kent West]

I have a new Dell Precision T1700 that has a network adapter which is 
not recognized by wheezy's kernel (3.2). So I've installed the 
backported 3.11 kernel, which does work with my NIC. However, now my 
virtualbox modules won't compile, complaining that the source for this 
kernel is not installed:


Setting up virtualbox-dkms (4.1.18-dfsg-2+deb7u1) ...
Loading new virtualbox-4.1.18 DKMS files...
First Installation: checking all kernels...
Building only for 3.11-0.bpo.2-amd64
Module build for the currently running kernel was skipped since the
kernel source for this kernel does not seem to be installed.
[ ok ] Stopping VirtualBox kernel modules.
[FAIL] Starting VirtualBox kernel modules[] No suitable module for 
running kernel found ... failed!

 failed!
invoke-rc.d: initscript virtualbox, action "restart" failed.

westk[@]goshen]:/home/westk:> uname -a
Linux goshen 3.11-0.bpo.2-amd64 #1 SMP Debian 3.11.8-1~bpo70+1 
(2013-11-21) x86_64 GNU/Linux


westk[@]goshen]:/home/westk:> aptitude search linux-source
p   linux-source - Linux kernel 
source (meta-package)
p   linux-source-2.6 - Linux kernel 
source (dummy package)
p   linux-source-3.10- Linux kernel 
source for version 3.10 with Debian patches
i   linux-source-3.11- Linux kernel 
source for version 3.11 with Debian patches
i   linux-source-3.2 - Linux kernel 
source for version 3.2 with Debian patches
p   linux-source-3.9 - Linux kernel 
source for version 3.9 with Debian patches



I *could* upgrade to testing (or unstable), but I'd prefer it to stay on 
stable. Any suggestions as to what I should do to be able to get 
virtualbox to run?


Thanks!

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Re: Installing TrueType Fonts (TTF)

[Mathias Bauer]

* Siard wrote on 2013-12-11 at 17:24 (+0100):

> Mathias Bauer:
> > Also, fonts-conf(5) contains an example user configuration file
> > ~/.fonts.conf, so that your font files (.ttf, .otf) may remain in
> > their original directories and need not to be mixed together in
> > *one* of the directories mentioned above by Siard.
>
> "Original directories"? We're talking about locally installed
> fonts here, living beyond the package manager's realm.

Yes, so do I.  Perhaps I wasn't clear enough.  My ~/.fonts.conf
lists several directories:

snip



  ~/.fonts
  ~/fonts/sourcecodepro
  ~/fonts/sourcesanspro
  

snip

Each font family I use, consists of serveral font files, e.g. 6
files for Adobe SourceCodePro, 13 files for Adobe SourceSansPro,
etc.  To keep things clear I simply don't want to put all these
files into one single directory, neither into ~/.fonts (for a
single user) nor into /usr/local/share/fonts (for all local
users).  I left them in separate directories which I called
"original directories" in my previous mail and adapted
~/.fonts.conf accordingly.  Sorry for the confusion.

> http://lists.debian.org/debian-user/2013/05/msg00148.html
> "For locally installed, system wide fonts, /usr/local/share/fonts
> looks like the most suitable place."
>
> BTW, /usr/local/share/fonts is mentioned in my /etc/fonts/fonts.conf.

Yes, here it is, too, and there's no need to alter this file.

The above link is a little bit misleading.  For short: Don't run
fc-cache as normal user.  You don't want to have in ~/.fontconfig
a mixture of cache files for all the system font directories
/usr/share/fonts/* with those for the user font directories
specified in your ~/.fonts.conf.  The former ones are located in
/var/cache/fontconfig (you don't have write permissions for it)
and are handled by the package management hooks.  You can simply
remove ~/.fontconfig completely and let it rebuild automatically.
To initiate this rebuild just now, run, e.g. fc-list.

Regards,
Mathias


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Re: Installing TrueType Fonts (TTF)

[Siard]

Mathias Bauer:
> Also, fonts-conf(5) contains an example user configuration file
> ~/.fonts.conf, so that your font files (.ttf, .otf) may remain in
> their original directories and need not to be mixed together in
> *one* of the directories mentioned above by Siard.

"Original directories"? We're talking about locally installed fonts
here, living beyond the package manager's realm.

http://lists.debian.org/debian-user/2013/05/msg00148.html
"For locally installed, system wide fonts, /usr/local/share/fonts
looks like the most suitable place."

BTW, /usr/local/share/fonts is mentioned in my /etc/fonts/fonts.conf.


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Re: sudo security Was: Reporting missing package during install

[Ralf Mardorf]

On Wed, 2013-12-11 at 15:33 +0100, Gian Uberto Lauri wrote:
>  > You need  to inform yourself, to  know that there's a  callback for
>  > the danger to life baby bottle.
> 
> Ouch, InsufficentEnglishSkillException! Could you help me please :)

Assumed a baby bottle does poison the milk, because they use bad
synthetic material and assumed there should be a callback, nobody comes
to your home and gives you this information, you need to read the news
or read a notice where you bought the baby bottle.

For Linux distros there usually is information about issues on the
distro's homepage.

If Linux isn't secure enough by the point of view of a user, the user
could take a look at other FLOSS OS, some people consider e.g. FreeBSD
as more secure. There are likely tons of less known FLOSS OS, such as
Plan 9. Debian btw. has got a FreeBSD port too, but I couldn't install
it to VirtualBox for testing, installation failed. I've got a FreeBSD
(not Debian) install (not virtual), but I prefer Linux. However, I never
tested jails and what ever is provided by FreeBSD. For audio work Linux
is better and for audio work security isn't the most important issue.

If a user should disagree with sudo, the user could disable sudo and use
su instead.

"Ubuntu: ancient African word meaning "I can not install Debian"" - from
your signature.

I install *buntu to help newbies and assumed a release of *buntu is ok,
I also use it on my own. The problem with *buntu is, that it fakes, that
a user has not to do that much, that less self-responsibility should be
needed.

Regards,
Ralf


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Re: sudo security Was: Reporting missing package during install

[Brian]

On Wed 11 Dec 2013 at 09:11:56 +0100, Gian Uberto Lauri wrote:

> Brian writes:
> 
>  > We do not worry about serious, unpublicised exploits. Their existance is
>  > of little consquence for your argument as your "attackers" would not
>  > know about them.
> 
> Are you kidding?

About attackers being unable to take any significant action over
something they don't know about? Not really; its rather obvious.


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Re: Shutting down lessens computer life............

[Russell Powers]

> On December 11, 2013 at 1:59 AM Andrei POPESCU 
> wrote:
>
>
> On Lu, 09 dec 13, 17:21:11, Steven Rosenberg wrote:
> > I don't see well-used laptops lasting longer than 5 years. Something's
> > bound to go wrong.
>
> What about not well used laptops? Seriously, as far as I recall my
> Thinkpad is already 5 years old. I had to replace the CPU fan twice and
> the keyboard once, but otherwise it works fine.

Toshiba Satellite, used every day for 6 years. Only replaced the battery.
Previous Gateway lasted 8 years.

HFSC, understanding umax,dmax,rate

[patrick]

hi,

im looking at HFSC currently and im not sure if this is right:

acording to: tc-hfsc 8
http://manpages.ubuntu.com/manpages/precise/man8/tc-hfsc.8.html


 SC := [ [ umax BYTE ] dmax SEC ] rate BPS
  umax : maximum unit of work
  dmax : maximum delay
  rate : rate



does this mean that:
umax is the normal packet size, what do i set it to when using teamspeak 
for example...packet size varies 0-xxx bytes. or should this just be set 
to ethernet frame size?


dmax - the maximum delay at which it has to be sent.
assuming dmax is 1ms and umax is 1500 does this mean that rate has to be 
12000?


Code:
rate = 8*1500bytes / 1 = 12000kbit


why is rate not optional or is it supposed to be bigger then whats 
needed to keep up with the delay/packet size?

Re: script line not working as its supposed to, but why?

[Gian Uberto Lauri]

Mathias Bauer writes:
 >head -n -7 

That's the option I did not recall :)

Nice job.

-- 
 /\   ___Ubuntu: ancient
/___/\_|_|\_|__|___Gian Uberto Lauri_   African word
  //--\| | \|  |   Integralista GNUslamicomeaning "I can
\/ coltivatore diretto di software   not install
 già sistemista a tempo (altrui) perso...Debian"

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Re: script line not working as its supposed to, but why?

[Sharon Kimble]

On Wed, 11 Dec 2013 15:19:22 +0100
Mathias Bauer  wrote:

> LC_ALL=C ls menu-* | head -n -7 | xargs -r rm

Thank you Mathias, I incorporated the line above into the script and it
works beautifully, thanks. :)

I'll also have a look at the bash tutorials that you posted because I
know that they will be useful for me, thanks again.

Sharon.
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Re: script line not working as its supposed to, but why?

[Gian Uberto Lauri]

Sharon Kimble writes:
 > ++ wc -l
 > ++ ls -1 'menu-*'
 > ls: cannot access menu-*: No such file or directory
 > + '[' 0 -gt 7 ']'
 > 

I fear that you should either 'cd' to the directory (~/.fluxbox I
suppose) you want to clear before running my code or change it this
way

if [  `ls -1 ~/fluxbox/menu-* | wc -l` -gt 7 ]
then
 ls -t ~/fluxbox/menu-* | tail $((7-`ls | wc -l`)) | xargs rm
fi

ls returned an error because it did not find any file matching
"menu-*" in the current directory.

-- 
 /\   ___Ubuntu: ancient
/___/\_|_|\_|__|___Gian Uberto Lauri_   African word
  //--\| | \|  |   Integralista GNUslamicomeaning "I can
\/ coltivatore diretto di software   not install
 già sistemista a tempo (altrui) perso...Debian"

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Re: sudo security Was: Reporting missing package during install

[Gian Uberto Lauri]

Ralf Mardorf writes:
 > On Wed, 2013-12-11 at 14:07 +0100, Gian Uberto Lauri wrote:
 > > It happens that appliances are called back by manufacturers due safety
 > > issues.
 > 
 > Debian and other distros provide security updates _and_ much more
 > important, analog to a product callback, homepages with news about the
 > distro. 

I never said Debian does a bad work. 

Sometimes  debian  maintainers do  errors  (he  who works  may  fail),
sometimes my opinion is that the  design choice is not good, sometimes
I even wonder  wich kind of mushroom they used  for their 'risotto coi
funghi'.

I think that I switched to Debian more than 10 years ago, and I am
sticking with Debian at least for the most recent HW and the HW I use
to work.

(I could consider another distro for my old iMac lamp, since last
stable is unusable at this time due a problem with the frame buffer
handling during boot).

 > You need  to inform yourself, to  know that there's a  callback for
 > the danger to life baby bottle.

Ouch, InsufficentEnglishSkillException! Could you help me please :)

 > People get informed by the news on all media that Facebook, Google
 > and others p!$s on data protection, they are working together with
 > the NSA, misuse data for marketing, manipulating people. Why are
 > there still users for Google, Facebook and what ever else. A big
 > conspiracy? No, people against one's better judgment continue, they
 > are simply not self-responsible. Linux distros aren't nannies.

Chances are that these messages are not as widespread as you may
suppose. Remember, you quoted two powerful companies and the
transmission intelligence branch of one of the topmost superpower on
the planet. These guys have enough power to "control the media" or
worse.

Do you think that *all* Italians are this [censored] to vote Mr.
Berlusconi for 20 years without understanding how [bunga bunga] he is?

(Hmmm, those who did not vote Berlusconi voted for a left wing that
spent more energies destroying herself than in doing something
sensible... Ouch, all Italians *are* this [censored] :()

 > If Linux should be to insecure for some users, they are free to use
 > another operating system.

This is a stance good for Windows, Mac OS/X, AIX, Solaris...
Free Software MUST be better, especially free software so concerned
with the society to have a strong social contract.

 > Did you already file a bug report about the security issue by sudo?
 > It's useless to continue the discussion. If there should be an
 > issue, sending a bug report with a high priority is what you need
 > to do.

At this time the issue is theoretical and the danger potential.

But there is an even better approach I took... Improve sudo if
possible. I can code, after all.

-- 
 /\   ___Ubuntu: ancient
/___/\_|_|\_|__|___Gian Uberto Lauri_   African word
  //--\| | \|  |   Integralista GNUslamicomeaning "I can
\/ coltivatore diretto di software   not install
 già sistemista a tempo (altrui) perso...Debian"

Warning: gnome-config-daemon considered more dangerous than GOTO


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Re: script line not working as its supposed to, but why?

[Mathias Bauer]

* Gian Uberto Lauri wrote on 2013-12-11 at 12:42 (+0100):

> Sharon Kimble writes:
>
> > I want to delete the 'menu-*' files if there are more than 7,
> > and the command is parsed when I have 'set -x' at the head of
> > the script but this line does nothing! It runs but doesn't
> > achieve anything.
>
> I would try with something like this:
>
> if [  `ls -1 menu-* | wc -l` -gt 7 ]
> then
> ls -t menu-* | tail $((7-`ls | wc -l`)) | xargs rm
> fi
>
> The first test ensures that you have more than 7 files.
>
> Then you list the files in reverse asciibetical order (that is
> older last), then the expression
>
> $((7-`ls | wc -l`))
>
> does the magic to compute the option to pass to tail so that it
> shows the last (number of files - 7). And finally xargs feeds
> rm. You can use rm -v to see them being deleted :)

This is too complicated: too many subshells, too many pipelines.

  $ cd /dir/with/files && LC_ALL=C ls menu-* | head -n -7 | xargs -r rm

will do the job:

* cd ... and && ensure that the directory exists and if (and only
  if it does the pipeline will be executed.

* LC_ALL=C ls menu-* lists all relevant files, one file per line,
  in the correct ascending order after the shell had expanded the
  "*".

* head -n -7 lists all but the last 7 lines.

* xargs -r will only call rm if there is some input.

For testing purposes run the above line without |xargs... part.

Although bash(1) is very long and its learning curve a little bit
steep I do recommend reading it.  In the long term there is no
way avoiding that.  Beginners may first tend to [1] and later to
[2].  Also, [3] is quite interessting.

Regards,
Mathias

[1] http://tldp.org/LDP/Bash-Beginners-Guide/html/index.html
[2] http://tldp.org/LDP/abs/html/
[3] http://www.gnu.org/software/bash/manual/bashref.html


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udev rule for a kindle

[Sharon Kimble]

I have a script for backing up my kindle when its first mounted, but
its not running on mounting, but *does* run when invoked manually! When
the kindle is mounted it should trigger this udev rule - 

# saved to /etc/udev/rules.d/85-kindle.rules
ACTION=="add",\
SYSFS{idVendor}=="1949", SYSFS{idProduct}=="0004",\
RUN+="/home/boudiccas/bin/obkindle"

but its not happening. The script 'obkindle' has it being executable
from all users, so it should in theory be executable by the system when
the kindle is mounted. According to 'lsusb' the kindle is recognised
as - 

Bus 001 Device 018: ID 1949:0004 Lab126, Inc. Amazon Kindle 3/4/Paperwhite

Can anyone show me where and why its not running on mounting please?

Thanks
Sharon.
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Re: Debianly Correct place to add ~/bin to $PATH ?

[Tixy]

On Tue, 2013-12-10 at 16:29 -0700, Paul E Condon wrote:
> On 20131210_175158, Tixy wrote:
> > On Mon, 2013-12-09 at 12:15 -0700, Paul E Condon wrote:
[...]
> > I don't know if this is 'the correct way' but what I do is create the
> > file ~/.xsessionrc to invoke ~/.profile like:
> > 
> > . /home/tixy/.profile
> > 
> 
> Thanks. I had been told about ~/.xsessionrc , but in a context where it seemed
> that the file should already exist, and since I didn't have such a file, I
> was confused as to what to do. Now I am emboldened to actually create my own
> instance. Some things in programming can be quite magical. Some demon might
> be watching user hidden files and do nasty things if a new file suddenly
> appears without proper authorizaion. :-( 

Researching a bit more, and looking at /etc/X11/Xsession
and /etc/X11/Xsession.d/40x11-common_xsessionrc ...
it certainly seems that a user creating their own .xsessionrc to
customise their environment is 'the correct way' to do things :-)

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Re: script line not working as its supposed to, but why?

[Sharon Kimble]

On Wed, 11 Dec 2013 12:42:51 +0100
"Gian Uberto Lauri"  wrote:

> Sharon Kimble writes:
>  > But there is no consistency with the creation date, the menu
>  > itself is regenerated whenever I install a new programme, and the
>  > old menu is saved with the suffix of the date and time.
> 
>  > I want to delete the 'menu-*' files if there are more than 7, and
>  > the command is parsed when I have 'set -x' at the head of the
>  > script but this line does nothing! It runs but doesn't achieve
>  > anything.
> 
> The find command is not your friend here, I think.
> 
> If you have a single directory where these menu are regenerated
> automatically, you could exploit the fact that lines like
> 
> menu-20131209-11:05
> 
> have an asciibetic order (order based on the ASCII code) that matches
> the age order, but reversed, I mean newer backups come last. The
> option -t of ls fixes this.
> 
> I would try with something like this:
> 
> if [  `ls -1 menu-* | wc -l` -gt 7 ]
> then
> ls -t menu-* | tail $((7-`ls | wc -l`)) | xargs rm
> fi
> 
> The first test ensures that you have more than 7 files.
> 
> Then you list the files in reverse asciibetical order (that is older
> last), then the expression
> 
> $((7-`ls | wc -l`))
> 
> does the magic to compute the option to pass to tail so that it shows
> the last (number of files - 7). And finally xargs feeds rm. You can
> use rm -v to see them being deleted :)
> 
> I hope this helps.
> 
Thanks for this, I've just got round to testing it. I pasted it into my
bigger script which works as expected, and then it came to your lines
of code, and this is its output from it -

++ wc -l
++ ls -1 'menu-*'
ls: cannot access menu-*: No such file or directory
+ '[' 0 -gt 7 ']'

Does this help in debugging it?

For the record, this is the working parts of the script so you can see
how it all fits together -

mv ~/.fluxbox/menu{,-$(date +%Y%m%d-%R)}; mmaker fluxbox -f; sed -i 
'\|\[exec[]]\s[(].*[)]\s[{]/usr/lib/xscreensaver/.*\s-root[}]|d' 
~/.fluxbox/menu; sed -i '\|\[exec[]]\s[(].*[)]\s[{]\b\(xscreensaver\).*[}]|d' 
~/.fluxbox/menu; perl -0777 -pi -e 
's/(.*)\[end]/$1/s;s/(.*)\[end]/$1/s;s/^\s*\n//gm' ~/.fluxbox/menu; printf 
'\t[end]\n\t[separator]\n\t[submenu] (My Menu)\n\t[include] 
(~/.fluxbox/usermenu)\n\t[end]\n\t[end]' >>~/.fluxbox/menu
chown boudiccas: ~/.fluxbox/menu
#find /home/boudiccas/.fluxbox -type f -mtime +"$num" -name 'menu-*' -delete
if [  `ls -1 menu-* | wc -l` -gt 7 ]
then
ls -t menu-* | tail $((7-`ls | wc -l`)) | xargs rm
fi

Sharon.
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Re: sudo security Was: Reporting missing package during install

[Ralf Mardorf]

On Wed, 2013-12-11 at 14:07 +0100, Gian Uberto Lauri wrote:
> It happens that appliances are called back by manufacturers due safety
> issues.

Debian and other distros provide security updates _and_ much more
important, analog to a product callback, homepages with news about the
distro. You need to inform yourself, to know that there's a callback for
the danger to life baby bottle.

People get informed by the news on all media that Facebook, Google and
others p!$s on data protection, they are working together with the NSA,
misuse data for marketing, manipulating people. Why are there still
users for Google, Facebook and what ever else. A big conspiracy? No,
people against one's better judgment continue, they are simply not
self-responsible. Linux distros aren't nannies.

If Linux should be to insecure for some users, they are free to use
another operating system.

Did you already file a bug report about the security issue by sudo?
It's useless to continue the discussion. If there should be an issue,
sending a bug report with a high priority is what you need to do. I do
not see a security issue, that's why I set up su and sudo on my own and
there is no need for me to file a bug against whatever.

Regards,
Ralf


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Re: nautilus -> spacefm

[Kailash Kalyani]

On Wednesday 11 December 2013 12:58 PM, Sharon Kimble wrote:

On Tue, 10 Dec 2013 13:16:47 -0500
Dave Woyciesjes  wrote:


On 12/10/2013 12:38 PM, Tixy wrote:

On Mon, 2013-12-09 at 16:25 +, Sharon Kimble wrote:

On Mon, 9 Dec 2013 15:03:33 +
Sharon Kimble  wrote:



I'm trying to move over to spacefm from nautilus because it
automount

s

my usb drives and kindle, but I've hit a snag. I occasionally
need to mount a partition via shfs of my website on a remote
server, but I cant see how to do that in spacefm. Can anyone help
me please?


Answering my own question, neither pcmanfm nor spacefm could do
it, bu

t

thunar can. The first two also didn’t show hidden files [think
'.foobar'] but thunar can, so I'm moving over to thunar as it, so
far at least, does everything that I've asked of it.

Thunar can -
* automount usb drives,


pcmanfm can do that, in pcmanfm it's a tickbox under the 'Volume
Management' tab of the Preferences menu.


* mount sftp drives,


pcmanfm can do that, if you have gnome vfs packages installed
(gvfs-backends and gvfs-fuse I beleive).


* show hidden files,


pcmanfm do that, it's the 'Show Hidden' option in the 'view' menu,
and it will remember you're last preference for that setting.

And I would expect other file managers to also support these things.


Have you checked out Nemo? It aims to be what Nautilus was...
http://cinnamon.linuxmint.com/?p=198



Thanks for this Dave. I had just installed 'nemo' when I installed
'cinnamon' to try out, but hadn't thought to try nemo, but now I have,
and so far it does the job!

Thanks again
Sharon.

Ah, found an article (on Ubuntu, but checked it on my Debian install and 
it works fine).

Using dconf-editor you can edit the automount behavior here:
org.gnome.desktop.media-handling

And here's the article with screenshots.
http://askubuntu.com/questions/89244/how-to-disable-automount-in-nautiluss-preferences

Sincerely,
Kailash


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Re: nautilus -> spacefm

[Kailash Kalyani]

On Wednesday 11 December 2013 12:58 PM, Sharon Kimble wrote:

On Tue, 10 Dec 2013 13:16:47 -0500
Dave Woyciesjes  wrote:


On 12/10/2013 12:38 PM, Tixy wrote:

On Mon, 2013-12-09 at 16:25 +, Sharon Kimble wrote:

On Mon, 9 Dec 2013 15:03:33 +
Sharon Kimble  wrote:



I'm trying to move over to spacefm from nautilus because it
automount

s

my usb drives and kindle, but I've hit a snag. I occasionally
need to mount a partition via shfs of my website on a remote
server, but I cant see how to do that in spacefm. Can anyone help
me please?


Answering my own question, neither pcmanfm nor spacefm could do
it, bu

t

thunar can. The first two also didn’t show hidden files [think
'.foobar'] but thunar can, so I'm moving over to thunar as it, so
far at least, does everything that I've asked of it.

Thunar can -
* automount usb drives,


pcmanfm can do that, in pcmanfm it's a tickbox under the 'Volume
Management' tab of the Preferences menu.


* mount sftp drives,


pcmanfm can do that, if you have gnome vfs packages installed
(gvfs-backends and gvfs-fuse I beleive).


* show hidden files,


pcmanfm do that, it's the 'Show Hidden' option in the 'view' menu,
and it will remember you're last preference for that setting.

And I would expect other file managers to also support these things.


Have you checked out Nemo? It aims to be what Nautilus was...
http://cinnamon.linuxmint.com/?p=198



Thanks for this Dave. I had just installed 'nemo' when I installed
'cinnamon' to try out, but hadn't thought to try nemo, but now I have,
and so far it does the job!

Thanks again
Sharon.


Hi Sharon,

Do you have Gnome installed? I have nautilus installed (default Debian 
install) as well and it seems to automount my usb disks and my kindle 
and my Kobo reader just fine.


Maybe I'm missing something.

Re hidden files, it's a preference - see attachment.

Sincerely,
Kailash
<>

coloured prompt for root (was ... Re: Reporting missing package during install)

[Gian Uberto Lauri]

Chris Bannister writes:

 > This is in a tty, so don't know what will happen in an xterm or other
 > virtual terminal.

The virtual terminals usually honour ANSI escape sequences. For sure
xterm, the rxvt family and the libvte-based ones do.

But with virtual terminals you can do something like having a
different background and foreground color (red on black is standard in
my family).

-- 
 /\   ___Ubuntu: ancient
/___/\_|_|\_|__|___Gian Uberto Lauri_   African word
  //--\| | \|  |   Integralista GNUslamicomeaning "I can
\/ coltivatore diretto di software   not install
 già sistemista a tempo (altrui) perso...Debian"

Warning: gnome-config-daemon considered more dangerous than GOTO


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Re: sudo security Was: Reporting missing package during install

[Gian Uberto Lauri]

Ralf Mardorf writes:
 > On Wed, 2013-12-11 at 09:39 +0100, Gian Uberto Lauri wrote:
 > > Let's suppose that Debian+Ubuntu get the largest share of the
 > > installed end user desktops.
 > 
 > The tendency is that seemingly newbies start using pre-build Linux
 > environments and use Linux as they would use Windows, IOW without
 > self-responsibility.

[... ommissis ...]

 > Those tendencies will make some Linux installs insecure, because the
 > problem exists between chair and keyboard, su or sudo or some other
 > technical reasons have nothing to do with it.

For these very reasons those who know should do things in order to let
others go safely without being forced to acquire skills.

Jobs (Steve) thought about computers that are used like appliances.
Fine! That's great! But the appliances makers must ensure that their
devices are safe and supply safety instructions: how much space you
must leave around your TV to prevent it from overheating, how to
handle correctly the electric knife blades.

It happens that appliances are called back by manufacturers due safety
issues.

Even if software is much more complex and (almost) impossible to prove
right, even if Linux is a volunteer driven effort, even if there are
the non-warranties, the software distribution should be assembled with
the same care.

About my messages sent to the person I reply to AND to the list, it's
all my fault. I apologize with you all.

-- 
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/___/\_|_|\_|__|___Gian Uberto Lauri_   African word
  //--\| | \|  |   Integralista GNUslamicomeaning "I can
\/ coltivatore diretto di software   not install
 già sistemista a tempo (altrui) perso...Debian"

Warning: gnome-config-daemon considered more dangerous than GOTO


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Re: sudo security Was: Reporting missing package during install

[Gian Uberto Lauri]

Chris Bannister writes:
 > On Tue, Dec 10, 2013 at 11:50:00PM +0100, Gian Uberto Lauri wrote:
 > > 
 > > What makes root special is not the name but the numerical user id and 
 > > group id, bot set to zero. See /etc/passwd.
 > 
 > Don't you have to be logged in to do that? 

Gentleman???

I was simply explaining what I meant with 0:0, since this was all but
clear to many.

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Warning: gnome-config-daemon considered more dangerous than GOTO


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Re: Postgresql setup on Debian system

[Chris Bannister]

On Tue, Dec 10, 2013 at 06:25:16PM -0800, Gary Roach wrote:
> automatically (I think). I found the Debian README confusing,
> especially in regards to setting up a special shell that I don't
> think I need. 

Are you referring to the postgres user?

-- 
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who are being oppressed, and loving the people who are doing the 
oppressing." --- Malcolm X


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coloured prompt for root (was ... Re: Reporting missing package during install)

[Chris Bannister]

On Tue, Dec 10, 2013 at 11:11:34PM +, Lisi Reisz wrote:
> On Tuesday 10 December 2013 06:39:17 Tom H wrote:
> > You can't trust yourself with sudo but you can trust yourself with
> > su or login root access...
> 
> I have to make a conscious effort to become root.  This reduces the 
> risk that I will accidentally do something extra foolish.  I do not 
> have root login access and do not want it. The Debian default in this 
> is very sensible.  (As it usually is.)

I put this in my .bashrc:
PS1='${debian_chroot:+($debian_chroot)}\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$
'
(All one line!)

This makes the prompt display in red, giving extra warning. :)

This is in a tty, so don't know what will happen in an xterm or other
virtual terminal.

Just comment out the old line, in case you want to go back to the way it
was.

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who are being oppressed, and loving the people who are doing the 
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Re: Cannot view all my android folders in nautilus after mounting android as MTP

[Chris Bannister]

On Thu, Sep 05, 2013 at 06:40:40PM +1200, Chris Bannister wrote:
> On Wed, Sep 04, 2013 at 06:35:57PM +0200, Siard wrote:
> > Anubhav Yadav:
> > > Chris Bannister:
> > > > Can't you just treat it as a normal USB stick?
> > > > e.g.
> > > > Plug it in
> > > > select connect to PC on phone. 
> > > > then
> > > > # mount /dev/sdb /mnt
> > > > (get some error msgs)
> > > 
> > > It gives me this no medium found on /dev/sdb

This *seems* to fix it:
echo 2000 > /sys/module/block/parameters/events_dfl_poll_msecs

See:
http://lists.debian.org/debian-user/2013/12/msg00407.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725978
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=713877

-- 
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who are being oppressed, and loving the people who are doing the 
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Re: sudo security Was: Reporting missing package during install

[Ralf Mardorf]

On Wed, 2013-12-11 at 09:39 +0100, Gian Uberto Lauri wrote:
> Let's suppose that Debian+Ubuntu get the largest share of the
> installed end user desktops.

The tendency is that seemingly newbies start using pre-build Linux
environments and use Linux as they would use Windows, IOW without
self-responsibility.

Take a look at http://distrowatch.com/index.php?dataspan=13 

Ubuntu is on a higher position than Debian is and Debian has the
tendency to get a lower position.
Manjaro based on Arch is on a higher position than Arch is.

Mint is on the highest position, people choose it because they like the
look and if they need help, they don't shy away from asking on Mailing
Lists that have absolutely nothing to do with Mint.

Those tendencies will make some Linux installs insecure, because the
problem exists between chair and keyboard, su or sudo or some other
technical reasons have nothing to do with it.

2 Cents,
Ralf

PS: You're sending your mails directly to me and to the list for days
now. I'm reading the list ;).




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Re: script line not working as its supposed to, but why?

[Gian Uberto Lauri]

Sharon Kimble writes:
 > But there is no consistency with the creation date, the menu itself is
 > regenerated whenever I install a new programme, and the old menu is
 > saved with the suffix of the date and time.

 > I want to delete the 'menu-*' files if there are more than 7, and
 > the command is parsed when I have 'set -x' at the head of the
 > script but this line does nothing! It runs but doesn't achieve
 > anything.

The find command is not your friend here, I think.

If you have a single directory where these menu are regenerated
automatically, you could exploit the fact that lines like

menu-20131209-11:05

have an asciibetic order (order based on the ASCII code) that matches
the age order, but reversed, I mean newer backups come last. The
option -t of ls fixes this.

I would try with something like this:

if [  `ls -1 menu-* | wc -l` -gt 7 ]
then
ls -t menu-* | tail $((7-`ls | wc -l`)) | xargs rm
fi

The first test ensures that you have more than 7 files.

Then you list the files in reverse asciibetical order (that is older
last), then the expression

$((7-`ls | wc -l`))

does the magic to compute the option to pass to tail so that it shows
the last (number of files - 7). And finally xargs feeds rm. You can
use rm -v to see them being deleted :)

I hope this helps.

-- 
 /\   ___Ubuntu: ancient
/___/\_|_|\_|__|___Gian Uberto Lauri_   African word
  //--\| | \|  |   Integralista GNUslamicomeaning "I can
\/ coltivatore diretto di software   not install
 già sistemista a tempo (altrui) perso...Debian"

Warning: gnome-config-daemon considered more dangerous than GOTO


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Re: sudo security Was: Reporting missing package during install

[Chris Bannister]

On Tue, Dec 10, 2013 at 11:50:00PM +0100, Gian Uberto Lauri wrote:
> 
> What makes root special is not the name but the numerical user id and group 
> id, bot set to zero. See /etc/passwd.

Don't you have to be logged in to do that? 
The issue was that there would be only one exploitable account, if root
was disabled by installing sudo.

-- 
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who are being oppressed, and loving the people who are doing the 
oppressing." --- Malcolm X


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Re: script line not working as its supposed to, but why?

[Sharon Kimble]

On Wed, 11 Dec 2013 12:09:18 +0100
"Gian Uberto Lauri"   wrote:

> Sharon Kimble writes:
>  > I have this line in a bash script that is not doing what its
>  > supposed to - 
>  > 'find /home/boudiccas/.fluxbox -type f -mtime +"$num" -name
>  > 'menu-*' -delete'
>  > where "$num" = 7 and 'menu-*'=menu-20131209-11:05 . Obviously the
>  > date and time can be different in each case, so how do I get it so
>  > that it deletes the menus if their number is greater than 7
>  > please? All the rest of the script works as expected, except for
>  > this one line!
> 
> Excuse me Sharon, I am not a native English speaker and I think my
> English skills are not up to the task to fully understand your
> message.
> 
> You want to delete file modified more than 7 days ago (-mtime) or if
> you have more of 7 of them?
> 
> And what goes wrong with the command execution?
> 
Thanks for replying.

I want to delete the 'menu-*' files if there are more than 7, and the
command is parsed when I have 'set -x' at the head of the script but
this line does nothing! It runs but doesn't achieve anything.

Sharon.
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Re: script line not working as its supposed to, but why?

[Sharon Kimble]

On Wed, 11 Dec 2013 21:58:19 +1100
Scott Ferguson  wrote:

> On 11/12/13 21:45, Sharon Kimble wrote:
> > I have this line in a bash script that is not doing what its
> > supposed to - 
> > 'find /home/boudiccas/.fluxbox -type f -mtime +"$num" -name 'menu-*'
> > -delete'
> > where "$num" = 7 and 'menu-*'=menu-20131209-11:05 . Obviously the
> > date and time can be different in each case, so how do I get it so
> > that it deletes the menus if their number is greater than 7 please?
> 
> That's the tricky part. As it stands the "menu" is just a string
> *not* a value. Either convert it into a value or use another method
> to determine which menu to delete (hint: creation date).

But there is no consistency with the creation date, the menu itself is
regenerated whenever I install a new programme, and the old menu is
saved with the suffix of the date and time. This could happen several
times a day, or just once a week, there is no pattern to it. 

Or am I missing something obvious? :)

Sharon.
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Re: Installing TrueType Fonts (TTF)

[Mathias Bauer]

Hello,

* Siard wrote on 2013-12-10 at 18:56 (+0100):

besides the hints you got from Siard and Patrick, I recommend
GNOME Character Map, package gucharmap, for examining and viewing
fonts.

> Muntasim-Ul-Haque wrote:
> > TrueType Fonts (TTF) would open in GNOME with a dialog box,
> > and it was just one-click away. But here in XFCE, I see
> > nothing that can open the TTFs.
>
> There is a more general, yet easy way to install fonts: just
> shove them into ~/.fonts (locally) or /usr/local/share/fonts
> (systemwide).

To get all the customization possibilities, take a look at the
fontconfig machinery and the packages fontconfig and
fontconfig-config which are almost certainly installed as you use
XFCE.

Also, fonts-conf(5) contains an example user configuration file
~/.fonts.conf, so that your font files (.ttf, .otf) may remain in
their original directories and need not to be mixed together in
*one* of the directories mentioned above by Siard.  Finally

  $ fc-list

will give you feedback if the fonts had been found and installed
correctly.  You don't need to logout or to restart as the cache
files in ~/.fontconfig will be updated automatically.

Regards,
Mathias


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Re: script line not working as its supposed to, but why?

[Gian Uberto Lauri]

Sharon Kimble writes:
 > I have this line in a bash script that is not doing what its supposed
 > to - 
 > 'find /home/boudiccas/.fluxbox -type f -mtime +"$num" -name 'menu-*'
 > -delete'
 > where "$num" = 7 and 'menu-*'=menu-20131209-11:05 . Obviously the date
 > and time can be different in each case, so how do I get it so that it
 > deletes the menus if their number is greater than 7 please? All the
 > rest of the script works as expected, except for this one line!

Excuse me Sharon, I am not a native English speaker and I think my
English skills are not up to the task to fully understand your
message.

You want to delete file modified more than 7 days ago (-mtime) or if
you have more of 7 of them?

And what goes wrong with the command execution?

-- 
 /\   ___Ubuntu: ancient
/___/\_|_|\_|__|___Gian Uberto Lauri_   African word
  //--\| | \|  |   Integralista GNUslamicomeaning "I can
\/ coltivatore diretto di software   not install
 già sistemista a tempo (altrui) perso...Debian"

Warning: gnome-config-daemon considered more dangerous than GOTO


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log on to Cinnamon failed

[Sharon Kimble]

Yesterday I installed 'Cinnamon' to have a play with, and I remember
that cinnamon itself and another cinnamon-type programmes both came
from sid, the rest required from jessie. Later in the day I found time
to log on to it and was greeted with this message 'Oh no! Something has
gone wrong. A problem has occurred and the system can't recover.
Please log out and try again.' 

Now that is so vague and unhelpful its not really worth its space, so,
can anybody make any suggestions as to things to try to enable a
successful log on please?

Thanks
Sharon.
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Re: script line not working as its supposed to, but why?

[Scott Ferguson]

On 11/12/13 21:45, Sharon Kimble wrote:
> I have this line in a bash script that is not doing what its supposed
> to - 
> 'find /home/boudiccas/.fluxbox -type f -mtime +"$num" -name 'menu-*'
> -delete'
> where "$num" = 7 and 'menu-*'=menu-20131209-11:05 . Obviously the date
> and time can be different in each case, so how do I get it so that it
> deletes the menus if their number is greater than 7 please?

That's the tricky part. As it stands the "menu" is just a string *not* a
value. Either convert it into a value or use another method to determine
which menu to delete (hint: creation date).

> All the
> rest of the script works as expected, except for this one line!
> 
> Does this make sense?
> Sharon.
> 


Kind regards


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script line not working as its supposed to, but why?

[Sharon Kimble]

I have this line in a bash script that is not doing what its supposed
to - 
'find /home/boudiccas/.fluxbox -type f -mtime +"$num" -name 'menu-*'
-delete'
where "$num" = 7 and 'menu-*'=menu-20131209-11:05 . Obviously the date
and time can be different in each case, so how do I get it so that it
deletes the menus if their number is greater than 7 please? All the
rest of the script works as expected, except for this one line!

Does this make sense?
Sharon.
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efever = http://www.efever.blogspot.com/
efever = http://sharon04.livejournal.com/
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Re: udev problem ?

[Brad Rogers]

On Tue, 10 Dec 2013 21:36:46 +0100
Erwan David  wrote:

Hello Erwan,

>Le 10/12/2013 20:25, Brad Rogers a écrit :
>> echo 2000 > /sys/module/block/parameters/events_dfl_poll_msecs  
>Thanks it works.

YW, but like I said, it's not my work.  I'm just the messenger.

-- 
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 / )   "The blindingly obvious is
/ _)radnever immediately apparent"
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Re: sudo security Was: Reporting missing package during install

[Gian Uberto Lauri]

Ralf Mardorf writes:
 > On Di, 2013-12-10 at 23:54 +0100, Gian Uberto Lauri wrote:
 > > Clever attacks manifest themselves a long time after the "infection" in 
 > > order
 > > to poison backups. And backup media may fail when they are most needed.
 > > That's an effect of Murphy's law :).
 > 
 > Read about my backup strategy below.

Your strategy seems to do nothing about backup poisoning.

 > Only one time in my life I lost a
 > little bit, because I made a mistake, not because there was an attack. I
 > mounted a partition read/write instead of read only.

That is what I mean "not to trust backup": do not think that you *are*
safe because you have backups, if all goes well a backup will save you
but it is not a magic talisman of invulnerable protection.

Of course no backup spells disaster, and your backup strategy is
excellent.

You got no attack (until now) does not imply you will never get one.
Or maybe that you never noticed one.

People like botnet owners - and these are not script kiddies - do
target anything they can turn into a bot. It is not your data, is
"pwning" your machine. For their revenue.

Back to sudo.

Let's suppose that Debian+Ubuntu get the largest share of the
installed end user desktops.

Then breaking these systems becomes automatically profitable (as for
revenue) and knowing what is the default sudo configuration could make
worthwile researching about exploiting certain weaknesses - last but
not least the fact that a very few of us is continuously paranoid
when using her everyday account.

Maybe I failed expressing that I am not completely against sudo, there
are several good sudo usages and even "caching" the authentication has
its very legitimate uses, and the -k and -K flags help a lot in this,
even if some kind of "start caching now" option could be nice...
Someting to work on...

-- 
 /\   ___Ubuntu: ancient
/___/\_|_|\_|__|___Gian Uberto Lauri_   African word
  //--\| | \|  |   Integralista GNUslamicomeaning "I can
\/ coltivatore diretto di software   not install
 già sistemista a tempo (altrui) perso...Debian"

Warning: gnome-config-daemon considered more dangerous than GOTO


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