Re: ffmpeg vs libav: Please clarify the situation

2013-05-23 Thread Reinhard Tartler
On Wed, May 22, 2013 at 6:54 PM, John Moser john.r.mo...@gmail.com wrote:
 I've stumbled across this:

 http://blog.pkh.me/p/13-the-ffmpeg-libav-situation.html
[...]
 This can't all parse at once.  Something is wrong here.

 Will somebody please explain what's going on?

Most of the driving forces behind what was formerly known as FFmpeg is
now continuing under the name Libav. Continuing to follow Libav
instead of FFmpeg is the more conservative, and IMO the better choice.

Disclaimer: I was the release manager of the former FFmpeg project,
and do the same Job in Libav these days.

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Re: Alternatives to preseed installation?

2012-12-07 Thread Reinhard Tartler
On Thu, Dec 6, 2012 at 3:43 PM, Christoph Mathys erase...@gmail.com wrote:
 Maybe FAI?
 http://wiki.fai-project.org/wiki/Installing_Ubuntu_Linux_with_FAI

 Thanks for the link. Have you used FAI already? Is it complicated to
 learn? Is it reliable?

 From a quick look at the website I guess I could also manage
 ubuntu/debian servers with this tool.

I'm using it here to deploy a lab consisting of about 20 computers
running Ubuntu/quantal and about 100 students.

FAI itself is very reliable, but it is a bit of an effort to set it up
if you are not used to PXE setups etc.


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Re: Alternatives to preseed installation?

2012-12-06 Thread Reinhard Tartler
On Thu, Dec 6, 2012 at 11:17 AM, Christoph Mathys erase...@gmail.com wrote:
 I'm interested to know about alternatives to preseed installations. As
 endproduct, I require an image that I can restore with partclone. The
 system is a customized installation of ubuntu-alternate. Our current
 process to obtain such an image is as follows:
 1. Create a preseed image based on ubuntu-alternate. All modification
 need to be part of the preseed process.
 2. Install this preseeded iso image inside kvm.
 3. Use partclone to create the desired images from the kvm disk image.

 I kind of think that it should be possible to eliminate the preseed
 iso step. However, I fear that I just end up reimplementing a lot of
 stuff that preseed already handles nicely. The annoying part in this
 process is installing the iso image. This takes far too long if I need
 to iteratively fix errors in the preseed file.

 Any buzzwords or tools worth looking at?

Maybe FAI?
http://wiki.fai-project.org/wiki/Installing_Ubuntu_Linux_with_FAI


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Re: RTMP/HLS in Nginx for 13.04

2012-11-17 Thread Reinhard Tartler
On Wed, Nov 14, 2012 at 1:20 PM, John Moser john.r.mo...@gmail.com wrote:

 Nod.  I'll have to work this out.  However it crashes in libavformat.so when
 using HLS, causing a segfault.  The developer (Roman) suggests using a newer
 version of ffmpeg (and NOT using libav); I'll have to try with newer libav.
 I've tried with the ffmpeg in PPA:

   https://launchpad.net/~jon-severinsson/+archive/ffmpeg

 but 0.10 is still too old (March?!).  Was hoping to test with ffmpeg 1.0
 and/or the latest libav.

See http://launchpad.net/~motumedia/+archive/libav9-raring/

Does your crash happen with that version of libavcodec as well? if
yes, please come to #libav-devel and let's discuss it there.

PS: As you can see, there is still quite some work to do until we can
have libav9 in raring. Help on that more than welcome, most of the
packages are rather easy to fix (missing #includes, update to use
newer API, etc.)


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Re: Secure attention Key: Login and GkSudo

2011-10-31 Thread Reinhard Tartler
On Mo, Okt 31, 2011 at 06:50:42 (CET), staticd wrote:

 On Mon, Oct 31, 2011 at 12:07 AM, Reinhard Tartler siret...@ubuntu.comwrote:

 On So, Okt 30, 2011 at 15:11:04 (CET), staticd wrote:

  Windows NT is designed so that, unless system security is already
  compromised in some other way, only the Winlogon process, a trusted
  system process, can receive notification of this keystroke
  combination. This is because the kernel remembers the process ID of
  the Winlogon process, and allows only that process to receive the
  notification.
 
  So says Wikipedia.
 
  Interestingly, VMWare catches the sequence as well.
 
 
  I was thinking of a Alt+Sysrq combination capturable only by the kernel.
  (Ctrl+Alt+Sysrq ?)

 The SAK for Linux systems is Alt+Sysrq+k

 While this SAK can be disabled, Ubuntu ships with this functionality
 enabled. It safely and uncatchably terminates your running X11 session,
 returning back to your login manager.

 Cheers,
 Reinhard.

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 Reinhard,
 doesn't pressing Alt+Sysrq+k kill the current X session?

Yes, that's correct.

See also the upstream documentation:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/sysrq.txt,

 Is there a secure way of getting the login manager without disrupting other
 users who are also working in the background? (a switch user functionality
 that cannot be spoofed)

Not one that I would be currently aware of.

 Do you know how i could go about implementing this?

Change the login/display manager to always allocate a new VT and switch
to it after successful login. The login manager would continue to be
active on its old VT. Then you're SAK would be CTRL-ALT-F7 (if v7 is
your 'secure' vt with the login manager). This could probably be made
more 'user-friendly', but I think you get the general idea.


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Re: Secure attention Key: Login and GkSudo

2011-10-30 Thread Reinhard Tartler
On So, Okt 30, 2011 at 15:11:04 (CET), staticd wrote:

 Windows NT is designed so that, unless system security is already
 compromised in some other way, only the Winlogon process, a trusted
 system process, can receive notification of this keystroke
 combination. This is because the kernel remembers the process ID of
 the Winlogon process, and allows only that process to receive the
 notification.

 So says Wikipedia.

 Interestingly, VMWare catches the sequence as well.


 I was thinking of a Alt+Sysrq combination capturable only by the kernel.
 (Ctrl+Alt+Sysrq ?)

The SAK for Linux systems is Alt+Sysrq+k

While this SAK can be disabled, Ubuntu ships with this functionality
enabled. It safely and uncatchably terminates your running X11 session,
returning back to your login manager.

Cheers,
Reinhard.

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Re: bug reporting and file descriptors...

2010-07-22 Thread Reinhard Tartler
On Tue, Jul 20, 2010 at 23:27:38 (CEST), Daniel J Blueman wrote:

 With certain types of bug, it really helps to know what file
 descriptors were open at the time of crashing.

 For example, gstreamer is crashing in libavformat, however no
 information was gathered to show the path of inodes attached to the
 file descriptors [1], where it would be immediately clear what file to
 try and reproduce with:

 $ ls -l /proc/6117/fd
 0 - /dev/null
 1 - pipe:[3602840]
 2 - /dev/pts/6
 3 - socket:[3602928]
 4 - pipe:[3602929]
 5 - pipe:[3602929]
 6 - socket:[3602931]
 7 - /home/daniel/test.mp3

 Would it make sense to have this information, or have I overlooked something?

I think it would be incredibly helpful.

extra points for an interactive apport hook that asks the users if the
detected files may be automatically attached with the bug.

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Re: bug reporting and file descriptors...

2010-07-22 Thread Reinhard Tartler
On Thu, Jul 22, 2010 at 14:10:23 (CEST), Martin Pitt wrote:

 Reinhard Tartler [2010-07-22 13:00 +0200]:
  7 - /home/daniel/test.mp3
 
  Would it make sense to have this information, or have I overlooked 
  something?
 
 I think it would be incredibly helpful.

 Note that we got quite a lot of complaints when hooks exposed
 arbitrary paths to files or even directories, due to privacy reasons.
 If we are going to do this, we need to do some anonymization there.

In this case, I think we can:

 - interactively ask the user if he/she is OK with that
 - only attach the first few megabytes of the file
 - randomize the filename

This should address privacy concerns.

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Re: GRUB 2 now default for new installations

2009-06-10 Thread Reinhard Tartler
John Moser john.r.mo...@gmail.com writes:

 GRUB2 on its own partition is silly.  Like having a separate /boot.

It is required for stuff like root on LVM, a configuration supported by
the alternate installer.

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Re: Ubuntu Gaming Team

2009-05-01 Thread Reinhard Tartler
Jan Claeys li...@janc.be writes:

 As explained, users shouldn't assign bugs, but a LP team that subscribes
 to bugs reported on games is a good idea probably (but maybe that
 already exists?  Reinhard should be able to tell.).

Ah, yes, there is already a team for that:
https://launchpad.net/~motugames/, but the team seens pretty much
abandoned these days. How about reviving that team instead of creating
new ones? I can indeed imagine that a bug triaging team, forwarding bugs
in games related packages to debian would be a benefit.

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Re: Ubuntu Gaming Team

2009-04-29 Thread Reinhard Tartler
Philip Wyett philwy...@gmx.com writes:

 On Tue, 2009-04-28 at 22:28 +0200, Reinhard Tartler wrote:
 Philip Wyett philwy...@gmx.com writes:
 
  It could. Maybe additions of:
 
   - List of participants.
 
 https://alioth.debian.org/project/memberlist.php?group_id=30862
 
   - A collecting of the more useful links to get you started from the
 Debian wiki.
   - Reporting of bugs in Ubuntu and then recommended but voluntary how
 to check Debian bugs and go through that process.
 
 Probably.
 
  Whilst musing... I know we have now the team to market and promote which
  is this one and we have a void of no devel team visible on the Ubuntu
  side any longer. Would it be feasible to maybe setup a games swat team
 
 What problem would creating a new team solve that couldn't be done
 within the Debian Games Team itself? Is using a mailing list ending in
 @alioth.debian.org instead of @ubuntu.com such an obstacle? why?
 

 - It would solve having to go to pages hosted on servers with the self
   signed certificate problem. Launchpad does not have these issues.

what service is using a self-signed certificate here? IME, all debian
services use certificates signed by the SPI CA.

 - I have been subscribed since yesterday and these lists are spam
   heaven. Launchpad list control is better by my experience. I am very
   sure I have not won 2 million euro. ;-)

This is pretty much unavoidable if you want to be reachable by users.

 - Ubuntu users want to report and assign bugs to a Ubuntu team on 
   launchpad and not be sent all over the place. This is not about
   what we know, but what a user knows and expects, which could be
   very little about what Debian is to Ubuntu etc.

Yes.

None of your points answer my question above, btw.

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Re: Ubuntu Gaming Team

2009-04-28 Thread Reinhard Tartler

Philip Wyett philwy...@gmx.com writes:

 https://wiki.ubuntu.com/MOTU/Teams/Games

 This old and defunct page is very lacking.

The page currently reads:

,
| THIS TEAM IS NOT ACTIVE ANYMORE
| 
| There is currently no active MOTU Games team anymore. All of the former
| members now contribute directly in the Debian Games Team. Please see the
| following Page for more information:
| 
| http://wiki.debian.org/Games/Development
`

That is totally accurate, but I agree that the page could definitivly be
improved.


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Re: Ubuntu Gaming Team

2009-04-28 Thread Reinhard Tartler
Philip Wyett philwy...@gmx.com writes:

 It could. Maybe additions of:

  - List of participants.

https://alioth.debian.org/project/memberlist.php?group_id=30862

  - A collecting of the more useful links to get you started from the
Debian wiki.
  - Reporting of bugs in Ubuntu and then recommended but voluntary how
to check Debian bugs and go through that process.

Probably.

 Whilst musing... I know we have now the team to market and promote which
 is this one and we have a void of no devel team visible on the Ubuntu
 side any longer. Would it be feasible to maybe setup a games swat team

What problem would creating a new team solve that couldn't be done
within the Debian Games Team itself? Is using a mailing list ending in
@alioth.debian.org instead of @ubuntu.com such an obstacle? why?

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Re: Ubuntu Gaming Team

2009-04-27 Thread Reinhard Tartler
Danny Piccirillo danny.picciri...@ubuntu.com writes:

 It's already a problem? Really? The problem i think you're trying to say is
 simply confusing the packaging team with this team. Firstly, i don't see how
 people would be so confused. 

Let's see. There is already a well known, established team in debian
called the Debian Games Team. It actually cares for Games in both
debian *and* ubuntu.

Now a new team is created named Ubuntu Gameing Team that doesn't claim
to work on actually packaging games.

Is it really so hard to see the confusion here? An outsider (including
members of the first team) will almost certainly assume a competition
between the two teams. AFAIUI you don't seek competition. Moreover, I
feel that competition is actually harmful here.

I fully agree to Scott, the name of the team is very unfortunate.

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Re: Joysticks/joypads/etc information needed for Ubuntu 8.10 Intrepid Ibex and later

2008-10-21 Thread Reinhard Tartler

Mackenzie Morgan [EMAIL PROTECTED] writes:

 I can't run Intrepid on my laptop.  Can my lshal output for my Guitar
 Hero controller still be useful if it's done on 8.04?

how about booting a desktop live cd?

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Re: Intrepid hangs on boot often

2008-10-06 Thread Reinhard Tartler
George Farris [EMAIL PROTECTED] writes:

 I have a Dell Inspiron and an Acer Aspire 2000 and both seem to hang on
 boot quite often.  

Sounds pretty similar to https://launchpad.net/bugs/263330

so maybe it does not only affect thinkpads more more machines?

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Re: The Case For Re-Evaluating Our Release Approach To FFMPEG

2008-09-09 Thread Reinhard Tartler
Null Ack [EMAIL PROTECTED] writes:

 Summary : I think we need to have regular snapshots of svn ffmpeg,
 libavcodec and so forth released in both the current development build
 and as backports to production builds. User's expect to have video
 experiences atleast as good as Windows and Mac, and this is necessary
 for actually delivering that.

The main problem is lack of manpower. Every time ffmpeg is updated, we
can more or less expect applications and libraries that use them to
break.

FWIW, the next upstream snapshot that I'm preparing for
debian/experimental right now is going to drop nearly all
patches. Packaging new snapshots should become pretty easy then.

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Re: libavcodec51 and libavcodec1d package description

2008-09-01 Thread Reinhard Tartler
Philip Wyett [EMAIL PROTECTED] writes:

  We have two libavcodec packages, libavcodec51 in main and
 libavcodec1d in universe. A quick delve into the package shows that
 lbavcodec51 is a stripped package to disable anything mpeg and bad,
 but if you go by the package description you see in synaptic this
 cannot be ascertained that as both packages have the one below.

libavcodec1d is the obsolete binary package that used to be produced by
the 'ffmpeg' source package.

the 'ffmpeg' source package got obsoleted by 'ffmpeg-debian' and
produces libavcodec51.

Both versions of ffmpeg have mpeg encoding capabilities removed because
of requirements by our archive team.

If you have a suggestion how to improve the package description, please
file a bug.

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Call for testing: qbankmanager/gnucash/hbci users

2008-03-31 Thread Reinhard Tartler

Rationale: cf. https://launchpad.net/bugs/209181

If you are runnung hardy and use qbankmanager, please give the packages
from http://launchpad.net/~gnucash/+archive a shot. They are unmodified
sources from debian/unstable, and I expect them to work in hardy just
fine.

How to test: execute the following instructions in a shell:

cat EOT  | sudo tee -a /etc/apt/sources.list
deb http://ppa.launchpad.net/gnucash/ubuntu hardy main
deb-src http://ppa.launchpad.net/gnucash/ubuntu hardy main
EOT

sudo apt-get install qbankmanager gnucash

Now the latest versions of qbankmanager and gnucash should be available
for use on your system. Please test them and report your experiences
(both positive and negative) to https://launchpad.net/bugs/209181.

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Re: Easy Add/Remove Porgrams for non-sudoers with local PREFIX?

2007-12-24 Thread Reinhard Tartler
Carsten Agger [EMAIL PROTECTED] writes:

 Like in many packages, you can say

 ./configure PREFIX=~/bin

 you'll install the package locally and don't need to be superuser. Are
 there any plans to integrate this functionality with synaptic/Add-Remove
 for non-sudoers, or am I missing something?

http://0install.net/ should do exactly what you want.

Note that there are no plans to actively support or promote this in
ubuntu.

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Re: What do I do with disturbing bug reports in Wine about system crashes?

2007-11-17 Thread Reinhard Tartler
Scott Ritchie [EMAIL PROTECTED] writes:

 Reinhard Tartler wrote:
 Scott Ritchie [EMAIL PROTECTED] writes:
 
 These are clearly not Wine bugs, but it's unclear to me where I should
 refile them.  Wine's exposing a bug somewhere else (probably the driver
 or X), but what should I do?
 
 We haven't done that so far, but would that workflow work for you here?
 
   - open a new bugtask against ubuntu, but don't associate it to 
 any packge
   - reject the wine bugtask
 
 This way the status is properly documented, and bug triagers could help
 you finding the correct package for this bug.
 

 It would be much more efficient if launchpad could just let me set a bug
 as still in need of triage rather than against the Wine package.  I see
 no reason why I should have to file a separate bug containing the same
 information (and, presumably, contacts.)

I was not suggesting filing a new bug, but rather creating a new bugtask
to the existing bug. However doing this could indeed be more
straightforward than it is now.

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Re: What do I do with disturbing bug reports in Wine about system crashes?

2007-11-15 Thread Reinhard Tartler
Scott Ritchie [EMAIL PROTECTED] writes:

 These are clearly not Wine bugs, but it's unclear to me where I should
 refile them.  Wine's exposing a bug somewhere else (probably the driver
 or X), but what should I do?

We haven't done that so far, but would that workflow work for you here?

  - open a new bugtask against ubuntu, but don't associate it to 
any packge
  - reject the wine bugtask

This way the status is properly documented, and bug triagers could help
you finding the correct package for this bug.

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Re: Checking /usr/local/ before upgrading

2007-10-28 Thread Reinhard Tartler
Fergal Daly [EMAIL PROTECTED] writes:

 I'd really suggest to install your special libraries, local software
 etc. either to /usr/local/$PACKAGE or /srv/local/$PACKAGE or somewhere
 else. You can use environment variables or rpath to make them work.

 So when should anything go in /usr/local?

 http://www.debian.org/doc/debian-policy/ch-opersys.html#s-sysvinit

 contains this paragraph

 However, because /usr/local and its contents are for exclusive use of
 the local administrator, a package must not rely on the presence or
 absence of files or directories in /usr/local for normal operation.

You have correctly quoted me. I suggested to install /usr/local/$PACKAGE
instead of /usr/local. This means for a package called 'foo', you would
use `configure --prefix=/usr/local/foo` instead not using any prefix.

Or you just install it in your ~ `configure --prefix=$HOME/local`. Or
somewhere else.

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Re: Checking /usr/local/ before upgrading

2007-10-27 Thread Reinhard Tartler
Vincenzo Ciancia [EMAIL PROTECTED] writes:

 Similar issues might happen if one has something in /usr/local/bin, so
 wouldn't it be wise to ask, in the upgrade program, if user wants to
 temporarily rename /usr/local to /usr/local.upgraded during upgrade, so
 things are safer? 

Isn't your email/request rather a pretty good example why installing
software to /usr/local is a bad idea wrt to system upgrades?

I'd really suggest to install your special libraries, local software
etc. either to /usr/local/$PACKAGE or /srv/local/$PACKAGE or somewhere
else. You can use environment variables or rpath to make them work.

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Re: UI for backports usage

2007-10-24 Thread Reinhard Tartler
John Dong [EMAIL PROTECTED] writes:

 No, IMO the UI, underneath, should be adding the entire backports repository,
 just all packages pinned back. 

This does not necessarily need pinning via /etc/apt/preferences. Apt has
a feature which does something similar. Please compare 

http://archive.ubuntu.com/ubuntu/dists/gutsy-backports/Release

with

http://backports.org/backports.org/dists/etch-backports/Release

wrt to the NotAutomatic: Yes field in bpo.

I always wondered by ubuntu backports don't have that field.

See http://backports.org/dokuwiki/doku.php?id=instructions for
instructions how to use them. If backports were NotAutomatic: yes, then
the instructions would reduce to step 3, i.e.:

apt-get -t gutsy-backports install package


Synaptic and aptitude already offer a nice interface for selecting
specific version (i.e. backports for instance).

John, does this satisfy your concerns?

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Re: More libraries needed in ia32-libs for Wine

2007-09-20 Thread Reinhard Tartler
Scott Ritchie [EMAIL PROTECTED] writes:

 I've uncovered a few bugs in the Wine package for AMD 64 that are the
 result of a few 32 bit libraries not being included at build time.

 Among those we lack 32 bit version of in any package:
 libssl (for both libssl and libcrypto)
 libjack
 And a few others related to translation.

 Wine won't work fully without these libs in some 32 bit form.  What I
 want to know is the best way to proceed from here.  It seems like there
 are several options:

 Option 1:
 Patch ia32-libs to include all the missing libraries.

Since ia32-libs is in universe now, I think this is the way to go. 

We used to have complementary versions of ia32-libs, namely
'ia32-libs-gtk', 'ia32-libs-kde', ia32-libs-scim' and
'ia32-libs-sdl' see [1] for the full list. AFAIU, they all have been
merged to the ia32-libs package.

So if nobody else speaks up, I'd suggest you post a debdiff against the
ia32-libs package which adds the additional packages wine needs work
working.

[1]
http://packages.ubuntu.com/cgi-bin/search_packages.pl?keywords=ia32-libssearchon=namessubword=1version=allrelease=all


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Re: That need to close bugs?

2007-09-18 Thread Reinhard Tartler
Sarah Hobbs [EMAIL PROTECTED] writes:

 As one of those who triages various KDE bugs...in the area of KDEBase,
 in particular, there are around 450 open bugs, we *have* to close
 invalid bugs.  There are around 750, with the INVALID and WONTFIX bugs
 included.

Please correct me, but I suspect that when you mean we have to close
invalid bugs, I think you actually mean we need to filter out those
incomplete bugs which we don't have the ressources for investiagting
further from 'our' 'default' bug listings. (YMMV of course what is
your default bug listing.

I think tags could help you here, right?

 There is simply no way to deal with the current lot of open bugs, to get
 an overview of them all, let alone having the invalid ones in there -
 the problem gets too great, and you can't solve any of it (and become
 very demotivated in the process).

I agree that you that handling packages with tons of bugs is a real
pain. Perhaps the launchpad artists have ideas how to solve this in an
elegant fashion?

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Re: The latest amd64 nightly desktop ISO is 730 megs

2007-09-17 Thread Reinhard Tartler
Bryce [EMAIL PROTECTED] writes:

 That really does not make any sense if thats the case.  What is the
 point in making daily images available for testing if know one is
 going to be able to use them?

You can always burn them on a DVD, or use it in a VM like qemu or
vmware.

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Re: LVM on gutsy (#132138)

2007-08-23 Thread Reinhard Tartler
Scott James Remnant [EMAIL PROTECTED] writes:

 since a few days the lvm symlinks in /dev/vg/lv are no longer created in
 gutsy. The releavant launchpad bug is #132138, marked as critical, but
 not assigned to a milestone yet.
 
 Do you know when it stopped working?  If you know which day, could you
 cross-reference with dpkg.log to see what you upgraded on that day?

Sure, see http://launchpadlibrarian.net/8791776/p, linked from
https://bugs.launchpad.net/ubuntu/+bug/132138/comments/1

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Re: ML for ubuntu+1

2007-08-18 Thread Reinhard Tartler
shirish [EMAIL PROTECTED] writes:

 I looked at http://lists.ubuntu.com  while there is a ubuntu-users is
 that where people should post queries like the one I am going to put
 up next or here. Shouldn't there be a dedicated ML for the next
 development release.  While we have this ML its seems to be more about
 crystal-gazing, implementation in the near term  not with the
 specifics of issues arising in the distro. one is using now.  (gutsy
 7.10)

quoting https://lists.ubuntu.com/mailman/listinfo/Ubuntu-devel-discuss:

 About Ubuntu-devel-discuss

* Sharing of experiences with the current development branch of Ubuntu
* Technical questions about new features in the development branch
* Ideas and suggestions about future development of Ubuntu
* Point of contact for Ubuntu users to reach Ubuntu developers
* Open to all to subscribe, posting moderated for non-subscribers 

I agree that the description doesn't really match with reality that
much, but the text above states what this mailing list was actually
intended for, and it seems to me that this is exactly what you ask for.

Perhaps we should more actively promote this mailing list to our testers
to report about issues?

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