IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 20 January 2013   (all times are UTC)

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02:05
<MRH2>
hi i'm having trouble with ltsp ver 3 (yes old!) connecting to the xserver with a new kernel on the xserver
02:05
it boots ok
02:06
but what sort of kernel changes would stop a remote x session from working?
02:07
kernel on the server
02:07
<vagrantc>
considering ltsp 4.2 was released in what... 2006 ?
02:07
and that's basically so old we can barely support it
02:08
maybe 2005...
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02:10
<vagrantc>
MRH2: so, no ill will or anything, but is there any possible way to upgrade? :)
02:10
MRH2: good luck, in any case.
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02:11
<MRH2>
would like to - have some old equipment with specific drivers on the terminals
02:11
but will this year
02:11
or maybe early next
02:11
lol
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02:13
<MRH2>
i think it might have been 2004
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02:18
<MRH2>
any thoughts on where i could look? nfs stuff?
02:20
the xorg file looked ok - maybe networking issues with ltsp 3 that only come to light now?
02:22
ok just too many updates to the kernel that are beyond me - i'll keep it on an old one for the mo
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11:43
<alkisg>
!nbd-client
11:43
<ltsp>
nbd-client: To try mounting the NBD image from the client initramfs: nbd-client 192.168.67.1 -N /opt/ltsp/i386 /dev/nbd0
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13:20
<alkisg>
Does anyone know the meaning of this line in initramfs-tools/nbd ?
13:21
echo deadline > /sys/block/$nbdbasedev/queue/scheduler
13:21
# This should be removed once the cfq scheduler no longer deadlocks nbd devices
13:21
I'm asking because that part is there for the root device, nbd0, but not for the swap devices
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14:43
<otwieracz>
Hello.
14:44
Still noone have ideas why I can not log in with LDM?
14:45
http://wklej.org/id/929110/
14:46
How can I find where from the ssh is being started?
14:48
<alkisg>
ssh is started from ssh.c, the plugin
14:49
There are a lot of errors in your paste; some might be due to the bind-mounts and some due to bash vs dash
14:49
It's possible that they affect LDM too, if you run it properly otherwise
14:50
<otwieracz>
ssh is using /etc/ssh_config?
14:51
<alkisg>
Here in Ubuntu that's /etc/ssh/ssh_config, and it also has some command-line parameters
14:52
<otwieracz>
/etc/ssh/ssh_config in chroot, right?
14:52
<alkisg>
What are the contents of /var/log/ldm.log?
14:52
Right
14:53
<otwieracz>
So hypothetically I can set „RequestTTY” in /opt/ltsp/i686/etc/ssh/ssh_config?
14:53
<alkisg>
You shouldn't have to do that though
14:54
<otwieracz>
I understand.
14:54
<alkisg>
How are you launching ldm?
14:54
<otwieracz>
From /etc/init.d/ltsp-client
14:54
<alkisg>
Not from xterm, right?
14:54
<otwieracz>
Right.
14:54
<alkisg>
And what are the contents of /var/log/ldm.log?
14:55
<otwieracz>
Please wait a second.
14:55
<alkisg>
(after a login attempt)
14:56
<otwieracz>
http://wklej.org/id/931548/
14:57
ldm_debug.log: http://wklej.org/id/931550/
14:59
(output from „ldm” command, I've modified screen.d/ldm: http://wklej.org/id931552/)
14:59
And modyfing /etc/ssh/ssh_config gives no effects.
15:00
<alkisg>
About these: "date: invalid date ‘+%s’", /usr/share/ldm/rc.d/I01-halt-check: line 2: [: : integer expression expected
15:00
That's a bug in the ltsp script, please file a bug report with that message
15:00
!ltsp-bug
15:00
<ltsp>
ltsp-bug: To file a bug report for upstream LTSP, go to https://bugs.launchpad.net/ltsp
15:01
<alkisg>
That's not the problem you're having though
15:01
<otwieracz>
I know.
15:02
<alkisg>
About the rest, try `set -x` in some of the ldm rc.d scripts, so that all commands show in stderr, in your ldmdebug file
15:02
That way we'll see which commands produce the next errors
15:04
I don't think you're having an ssh problem; the output says it's authenticated
15:04
It sounds like an xsession problem, e.g. you just might even lack an xsession
15:04
<otwieracz>
Oh.
15:04
<alkisg>
Except for the `set -x` try, also put `env` somewhere there
15:04
<otwieracz>
Wait.
15:04
<alkisg>
To verify that your LDM_SESSION etc are all correct
15:05
<otwieracz>
OK, I've probably found the problem.
15:05
Current /etc/portage/make.profile symlink: hardened/linux/amd64
15:07
I'll try to set not hardened and recompile everything.
15:07
<knipwim>
hmm
15:07
the chroot?
15:08
not likely
15:08
<otwieracz>
No, in server.
15:08
I remember that it makes some problems with X forwarding.
15:08
I'll try.
15:08
<knipwim>
remove all your bin files
15:09
<otwieracz>
What do you mean by „bin files”?
15:09
<knipwim>
sorry, i'm still a bit wasted from last night
15:09
when building the client, by default binary packages are made, so the second build will be done much quicker
15:10
probably those are in /usr/portage/packages/i686/
15:10
<otwieracz>
I've rebuilded whole chroot witk --usepkg=no
15:11
Two days ago.
15:11
<knipwim>
and while you're rebuilding, set your locale properly in ltsp-build-client.conf
15:11
ok
15:11
<otwieracz>
But tell me.
15:11
ltsp-build-client is used while ltsp-build-client?
15:11
Or also in chroot and emerge -e --usepkg=no @world?
15:12
<knipwim>
huh?
15:12
ah
15:12
you're rebuilding from within the chroot
15:12
not create a new one
15:15
in the chroot, your make.profile should be linked to /usr/portage/profiles/default/linux/x86/10.0
15:15
ls -lh /etc/portage/make.profile
15:16
/etc/portage/make.profile -> /var/lib/layman/ltsp/profiles/default/linux/x86/10.0/ltsp/
15:16
and cat /etc/portage/make.profile/parent
15:16
/usr/portage/profiles/default/linux/x86/10.0
15:18
that's hardcoded
15:18
you cannot have made a hardened server
15:18
erm, hardened client
15:37
<otwieracz>
in chroot:
15:37
Current /etc/portage/make.profile symlink: ltsp:default/linux/x86/10.0/ltsp
15:39
euclid / # ls -lh /etc/portage/make.profile
15:39
lrwxrwxrwx 1 root root 58 Jan 16 13:49 /etc/portage/make.profile -> /var/lib/layman/ltsp/profiles/default/linux/x86/10.0/ltsp/
15:39
euclid / # cat /etc/portage/make.profile/parent
15:39
/usr/portage/profiles/default/linux/x86/10.0
15:39
So looks good.
15:39
../../../../../ltsp
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15:45
<otwieracz>
I have to go for a 2 hours.
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17:23
<otwieracz>
I'm back.
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18:29
<otwieracz>
Nope, still did not helped.
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21:11
<otwieracz>
knipwim: offline?
21:12
alkisg: offline?
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21:12
<alkisg>
otwieracz: ?
21:13
<otwieracz>
You have no futher ideas what can be wrong with my LTSP server?
21:13
s/server/setup/
21:14
<alkisg>
otwieracz: I've never even seen gentoo, but I asked about the environment and about ssh -x
21:14
Did you pastebin those?
21:15
set -x, sorry
21:15
<otwieracz>
In every script, right?
21:15
in rc.d?
21:15
<alkisg>
No, the first one in each ACTION
21:15
I.e. the first X, the first I etc
21:15
<otwieracz>
ok
21:15
<alkisg>
Maybe just in ldm-script
21:15
As that's the one that sources the others
21:16
/usr/share/ldm/ldm-script
21:16
<otwieracz>
Yep, Im rebooting thin client
21:16
<alkisg>
Also, check that you can manually run the command that LDM runs to launch the X session
21:17
E.g. if you're trying to run gnome-session on the server, and it's not installed... :)
21:20
<otwieracz>
http://wklej.org/id/932185/
21:20
<alkisg>
otwieracz: you can also call `xterm` somewhere from those scripts, this should give you a debugging environment
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21:24
<alkisg>
otwieracz: you have localapps yet no sshfs, how are you mounting the local /home?
21:24
<otwieracz>
I do not understand.
21:25
<alkisg>
The client /home is on a different file system than the client /
21:25
<otwieracz>
Yes.
21:25
<alkisg>
You're using NFS with bind-mounts... so... hm...
21:25
So / is NFS, and /home is tmpfs?
21:26
<otwieracz>
Looks like.
21:26
http://wklej.org/id/932200/
21:27
<alkisg>
The localapps code breaks in that environment
21:27
<otwieracz>
This is default setup.
21:28
<alkisg>
In your .dmrc, you have Session=rio
21:28
And LDM_SESSION=/usr/bin/urxvt
21:28
Which session do you want the clients to run?
21:29
I think the client will try to run LDM_SESSION=/usr/local/plan9port/bin/rio
21:30
LIBGL_ALWAYS_INDIRECT=true ==> is your client nouveau?
21:31
<otwieracz>
No.
21:31
<alkisg>
ssh -Y -t -S /var/run/ldm_socket_5669_server server ' LTSP_CLIENT=10.10.1.148 LTSP_CLIENT_HOSTNAME=hp-t5720 LIBGL_ALWAYS_INDIRECT=true LC_ALL=en_US.UTF-8 LANGUAGE=en_US.UTF-8 LANG=en_US.UTF-8 DISPLAY=10.10.1.148:7 PULSE_SERVER=tcp:10.10.1.148:4713 ESPEAKER=10.10.1.148:16001 LTSP_ALSA_DEFAULT=pulse /usr/lib/X11/xdm/Xsession "/usr/local/plan9port/bin/rio" < /dev/null > /dev/null ; /usr/sbin/ltspfsmounter all cleanup
21:32
==> this is what you should try manually
21:32
I.e. open an xterm locally, then ssh to the server, and run the rest of the command
21:32
<otwieracz>
Yep.
21:32
I will.
21:33
<alkisg>
E.g. "X11 forwarding request failed" might mean a problem in your sshd configuration
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23:11
<oo-dragon>
hello, I have been searching all day trying to get my LTSP in Edubuntu (12.04) to auto mount windows user shares. I think I need some help. The main sources I have been going to are the man page for pam_mount and a older active directory integration (says its for 9.04)
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23:12
<oo-dragon>
Lots of google searches come up with old documents that may not apply to 12.04 and the ones I try any way don't seem to work
23:12
any assist in getting this working would be appricated
23:19
<Hyperbyte>
oo-dragon, no idea really
23:19
But
23:19
This question isn't LTSP related.
23:19
You could ask questions like this in #ubuntu
23:20
Also, it might help if you explained your problem better... I have no idea what "automounting Windows user shares" means.
23:24
<oo-dragon>
well its for clients in LTSP
23:24
basically I'm integrating LTSP into a windows Active directory domain
23:24
and I want the user shares from windows to be auto mounted in LTSP, so they can go back and forth between platforms
23:28
<Hyperbyte>
Still not an LTSP question per say.
23:29
You'd have to run the mount after login of course, else you don't know which user to mount as. How about creating a script that automounts the CIFS filesystem? You can create a .desktop file for the script in /etc/xdg/autostart/ so it runs during login
23:29
<oo-dragon>
yes though... cause it has to happen at the LTSP clients login. if it was just mounting locally for a single user, wouldn't be so bad
23:30
<Hyperbyte>
It doesn't have to happen at LTSP client login, does it? It could happen when the graphical desktop launches.
23:30
<oo-dragon>
your right
23:31
tell me more about this /etc/xdg/autostart ^_^
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23:31
<Hyperbyte>
# ls /etc/xdg/autostart
23:32
http://standards.freedesktop.org/autostart-spec/autostart-spec-latest.html
23:33
<oo-dragon>
reading and trying now. Thanks, and I'l let you know what happens ;)
23:34
<Hyperbyte>
Feel free
23:34
However, and this is why I pointed you to #ubuntu... I'm off to bed. ;-)
23:34
Not sure if anyone else is reading along to help you further, but I'm off to dreamland.
23:34
G'night.
23:35
<oo-dragon>
thanks again ^_^
23:35
night
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