IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 17 October 2010 (all times are UTC)
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| 02:31 | <sweetpi> is there a kernel arg to specify the ltsp server? cant remember the name of it
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| 02:31 | <alkisg> A kernel arg to do what?
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| 02:32 | <sweetpi> alkisg: ssh ip
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| 02:32 | <alkisg> I don't understand what you're asking, sorry
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| 02:33 | <sweetpi> alkisg: different network, nfs. kernel and initrd are downloaded over http. I just need to specify the ltsp ssh server as kernel arg
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| 02:34 | <alkisg> Ah :)
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| 02:35 | If NFS_SERVER is set, it should default to that then
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| 02:37 | <sweetpi> its trying nbd for some reason, I figured I needed to specify the ltsp server. iirc it works IN the network fine
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| 02:38 | <alkisg> If it's trying nbd, then set "nbdroot="
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| 02:38 | It'll get the default SERVER from there
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| 02:39 | <sweetpi> using "netboot=nfs nfsroot=nfsip:/path nbdroot=". still trying nbd
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| 02:39 | <alkisg> I mean "nbdroot=THESERVERIPHERE"
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| 02:40 | If the problem is that it tries to use nbd instead of nfs, then that a different problem...
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| 02:40 | <sweetpi> still says "Failed to connect to NBD server."
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| 02:40 | <alkisg> Right, you didn't switch to nfs then
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| 02:40 | distro/version?
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| 02:40 | <sweetpi> iirc nfs works find IN the network
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| 02:40 | s/find/fine/
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| 02:41 | debian squeeze
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| 02:41 | <alkisg> So it's using nfs by default, you didn't change any initscripts, right?
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| 02:42 | <sweetpi> no
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| 02:42 | guess I should test nfs inside before wasting your time :)
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| 02:53 | hmm nfs isnt working inside the network either.. someone must have been messing with stuff
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| 03:00 | It's still trying nbd instead of nfs.. Is there anywhere that would be overridden?
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| 03:10 | <alkisg> Last paragraph here: https://help.ubuntu.com/community/UbuntuLTSP/LTSPWithoutNFS
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| 03:13 | <sweetpi> yeah, everything is exported. but the client looks like its defaulting to nbd even when I specify nfs
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| 03:17 | alkisg: It says "Running /scripts/nfs-top...done." gets an ip then says "Failed to connect to NBD server"
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| 03:29 | <komunista> sweetpi: I am happy NBD user under debian/squeeze :-)
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| 03:30 | sweetpi: but when I playng with switching NFS / NBD I create new client croot always
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| 03:30 | <sweetpi> komunista: same here, but we use nfs for testing and nbd for production
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| 03:31 | <komunista> ah, lot of typos...
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| 03:32 | <sweetpi> mainly from trying to get wireless thinclients to work
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| 03:33 | <komunista> for me is wireless wery slow to use with SSH only, without X...
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| 03:35 | <sweetpi> these were all g and n wireless with good signals so it worked really good
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| 03:36 | <komunista> sweetpi: you are mixing things from NFS/testing and NBD/production?
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| 03:37 | <sweetpi> after the testing is done we build nbd images
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| 03:38 | <komunista> I know only one abut this (I never mix it):
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| 03:38 | when I try NFS client simple switch to NBD by generating the NBD image, it do not works for me
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| 03:39 | I don't play with this and generate new client's chroot with NBD switch...
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| 03:39 | <sweetpi> we have never had a problem until now, I think someone must have changed something without letting me know. and of course everyone is sleeping
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| 03:47 | <komunista> you are writing about kernel args... what do you have in pxelinux.cfg/default?
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| 03:50 | <sweetpi> the only thing special im passing is "netboot=nfs nfsroot=serverip:/opt/ltsp/i386"
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| 03:51 | which worked last time I tested it. thats why I thing someone changed something in the chroot
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| 03:51 | <komunista> in my old NFS copy I have: append ro initrd=initrd.img quiet root=/dev/nfs ip=dhcp boot=nfs
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| 03:51 | <sweetpi> s/thing/think/
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| 03:52 | <komunista> sweetpi: I am not machine, I understand typos :-D
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| 03:52 | <sweetpi> :)
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| 03:54 | <komunista> I can't help more ...
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| 03:56 | <sweetpi> adding "boot=nfs" worked, thanks :)
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| 03:56 | now to find out why we never had to add that
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| 03:58 | <komunista> sweetpi: nice :-)
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| 04:06 | <alkisg> !reenable_compiz
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| 04:06 | <ltspbot`> alkisg: Error: "reenable_compiz" is not a valid command.
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| 04:06 | <alkisg> !enable_compiz
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| 04:06 | <ltspbot`> alkisg: Error: "enable_compiz" is not a valid command.
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| 04:07 | <alkisg> !compiz
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| 04:07 | <ltspbot`> alkisg: "compiz" :: if compiz is giving you problems, one way to disable it for all users is: sudo gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type string --set /desktop/gnome/session/required_components/windowmanager metacity
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| 04:07 | <alkisg> !reenable-compiz
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| 04:07 | <ltspbot`> alkisg: Error: "reenable-compiz" is not a valid command.
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| 04:07 | <alkisg> Bah :(
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| 04:10 | <sweetpi> alkisg: gconftool-2 --type string --set /desktop/gnome/session/required_components/windowmanager compiz
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| 04:11 | <alkisg> sweetpi: nah I was looking for the system-wide removal command - no worries, I'll just retype it :)
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| 04:12 | <sweetpi> I see, should be the same thing except s/metacity/compiz/
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| 13:37 | <salomon_> Hello all, I'm trying to install an ltsp 5 server, I'm having a problem, when the client login, I get an error sayinf "invalid card number"
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| 13:38 | I' can't find the solution on internet, can enybody help me please?
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| 13:47 | <vagrantc> !release
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| 13:47 | <ltspbot`> vagrantc: "release" :: please mention the linux distro and release you're using :)
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| 13:47 | <vagrantc> salomon_: ^^
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| 13:47 | <salomon_> I'm using lubuntu 10.4
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| 13:51 | <alkisg> salomon_: except for the message, what's your actual problem? It hangs when trying to login?
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| 13:52 | <salomon_> No, it says invalid card, and then it ask me the user again, so I can't login
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| 13:53 | I'm entering the correct user and password and it works since I can login with that user on the server
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| 13:53 | <alkisg> So you're seeing the login screen (ldm), then enter a username/password, and then X resets and you're prompted again for a username/password?
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| 13:56 | <alkisg> (ignore that "invalid card" error for a while, it's probably a wrong parameter in amixer)
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| 13:56 | <salomon_> yes, after I entet the user and password it shows some errors not in X mode and then X resets and it ask the user and password again. befores the invalid card number error it shows an error that starts whit sys/devices/virtusl.../sysvendor: No such file or directory
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| 13:57 | <alkisg> OK. Check your server's /var/log/auth.log. Do you see a login attempt?
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| 13:57 | <salomon_> let me check
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| 13:59 | this is what it shows
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| 13:59 | Oct 17 13:54:28 servidor-ltsp sshd[2082]: pam_sm_authenticate: Called
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| 13:59 | Oct 17 13:54:28 servidor-ltsp sshd[2082]: pam_sm_authenticate: username = [usuario01]
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| 13:59 | Oct 17 13:54:28 servidor-ltsp sshd[2082]: Accepted password for usuario01 from 10.0.0.5 port 60969 ssh2
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| 13:59 | Oct 17 13:54:28 servidor-ltsp sshd[2082]: pam_unix(sshd:session): session opened for user usuario01 by (uid=0)
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| 13:59 | Oct 17 13:54:29 servidor-ltsp sshd[2146]: subsystem request for sftp
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| 13:59 | Oct 17 13:54:30 servidor-ltsp sshd[2146]: Received disconnect from 10.0.0.5: 11: disconnected by user
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| 13:59 | Oct 17 13:54:30 servidor-ltsp sshd[2082]: pam_unix(sshd:session): session closed for user usuario01
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| 14:00 | <alkisg> OK, try this first, and if that doesn't work, you'd need more deep debugging:
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| 14:00 | !compiz
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| 14:00 | <ltspbot`> alkisg: "compiz" :: if compiz is giving you problems, one way to disable it for all users is: sudo gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type string --set /desktop/gnome/session/required_components/windowmanager metacity
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| 14:00 | <alkisg> Hmmm lubuntu...
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| 14:01 | <salomon_> But I have not installed compiz
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| 14:01 | <alkisg> I don't know if that uses compiz or not. Ignore that
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| 14:01 | In gnome, even if one doesn't install compiz, visual effects are enabled so manually declaring metacity is needed
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| 14:01 | <salomon_> lubuntu uses LXDE, not GNOME :)
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| 14:01 | <alkisg> k
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| 14:02 | Try this: sudo gedit /var/lib/tftpboot/ltsp/i386/lts.conf
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| 14:02 | [Default]
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| 14:02 | SCREEN_02=shell
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| 14:02 | SCREEN_07=ldm
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| 14:02 | Reboot the client - this way you'll get a local screen in vt2
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| 14:02 | So you'll be able to look at the local logs
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| 14:02 | <salomon_> ok, let me try
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| 14:04 | I don't have a lts.conf file in that directorym should I create it?
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| 14:04 | <alkisg> Yes - if the rest of the tftp files are there, of course
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| 14:05 | I.e. if you have a pxelinux.0 in that directory, etc
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| 14:05 | <salomon_> yes they are nbi.img, pxelinux.0 and other files
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| 14:05 | <alkisg> OK, create an lts.conf then
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| 14:05 | with those 3 lines
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| 14:05 | <salomon_> ok
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| 14:08 | I'm rebooting the client
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| 14:09 | I got hte ldm login screen, what should I try?
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| 14:12 | I entered to tty2 on the client after the login failed, what log should I check?
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| 14:19 | <salomon_> I checked the ldm.log file and one line says waitid returned an error: Interrupted system call
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| 14:20 | <alkisg> See also xorg.log for errors
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| 14:22 | And, with cat /dev/vcs7 you can see the error message which is hidden behind X
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| 14:26 | <salomon_> I'll check /dev/vcs7
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| 14:29 | This are the errors
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| 14:30 | (process:152): Glib-Warning **: getpwuid_r(): failed due to unknown user id(0)
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| 14:31 | cat: /sys/devices/virtual/dmi/sys_vendor: No such file or directory
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| 14:31 | Invalid card number
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| 14:31 | and then again cat: ...
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| 14:31 | <alkisg> The user id(0) is quite common, it shouldn't be your actual problem
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| 14:32 | I don't know about the other one. Check /var/log/Xorg.7.log too.
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| 14:32 | <salomon_> after that, X resets and ask for the user and password again
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| 14:32 | <alkisg> Check also that user's ~/.xsession-errors
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| 14:32 | (on the server
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| 14:32 | <salomon_> ok, I'll check
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| 14:34 | I have already check the Xorg.7.log file and I did not saw anithing wrong, I'l check xsessions-errors and then check again Xorg.7.log carefully
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| 14:38 | <salomon_> the .xsession-errors for that user shows
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| 14:38 | Xsession: X session started for usuario01 at dom oct 17 14:11:32 CDT 2010
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| 14:38 | /etc/X11/Xsession.d/80_ltsp-sound: 7: /usr/bin/asoundconf: not found
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| 14:38 | one per login I think
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| 14:58 | <salomon_> the user.log says pulseaudio[1458]: main.c: Running in system mode, but --disallow-exit not set!
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| 15:01 | I thing maybe pulseaudio is the problem here
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| 15:26 | <alkisg> salomon_: then try with SOUND=False in lts.conf
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| 15:26 | That would disable pulseaudio...
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| 15:26 | <salomon_> ok, I'll try
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| 15:27 | should I run ltsp-build-client after that?
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| 15:32 | Another question, one of the clients uses serial mouse, but it does not work when ldm shows, how do I configure it?
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| 15:32 | <alkisg> No when you change lts.conf you don't need to update anything
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| 15:33 | Search the ubuntultsp wiki, there's a page for serial mice there, and I think it's also in the docs on the topic link
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| 15:33 | Btw, if anyone's been experiencing a very heavy CPU load by indicator sound applet, here's the cause: https://bugs.launchpad.net/ubuntu/+source/indicator-sound/+bug/581173
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| 16:12 | <salomon_> Whit the Sound=False, I don't get the invalid card number error anumore, but X it still reseting, and the /sys/devices.. errors still shows
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| 16:22 | <alkisg> Can you try with an xterm session?
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| 16:29 | <salomon_> I'll try
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| 16:30 | When I get the xdm login prompt just change to tty3 for exmaple?
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| 16:33 | How do I try the xterm session from the client?
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| 16:51 | <alkisg> By clicking on the ldm preferences button
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| 17:03 | <salomon_> yes, I just saw that, thanks :)
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| 17:04 | I login but just in the upper part of the secreen, the bottom part shows the mouse pointer as if were loading something
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| 18:22 | <epaphus> Hello all. So according to the manual to enable shell on a client i can put something like Screen_12=shell in lts.conf... i did and in a client i can get there but it asks me for a login and pass... what would that be or howto set it_? obviously users from the server wont work here.
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| 18:37 | brb
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| 18:44 | <epaphus> back
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| 18:47 | <abeehc> https://help.ubuntu.com/community/UbuntuLTSP/UnlockChrootRootAcct
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| 18:56 | <epaphus> tnx
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| 18:57 | by default screen1 holds a shell... yet there is nothing in lts conf about it... how could i remove it?
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| 18:57 | brb
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| 19:02 | <epaphus> back
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| 19:38 | <epaphus> anybody_?
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| 23:05 | <salomon_> Hi alkisg, I did /usr/sbin/ltsp-update-sshkeys from the server and I can login with one user, I created another user and did that again but I can't login with that new user
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| 23:06 | You was helping me some hours ago :)
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| 23:06 | <alkisg> salomon_: if ssh keys needed updating, then auth.log shouldn't contain an entry
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| 23:06 | The symptoms you describe are the exact same symptoms that we see in gnome with compiz
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| 23:07 | The default window manager in gnome has those problems (logging in with one user but not another, and X restarting etc)
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| 23:07 | So forcing it to metacity for all user solves that problem
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| 23:07 | But I've no idea if lubuntu is using a similar compositing window manager
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| 23:08 | If you have an "effects" tab somewhere, try logging in with the problematic user on the server, and setting "effects" to none
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| 23:08 | <salomon_> I can try the solution that works for gnome, can you tell me again what is it?
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| 23:09 | <alkisg> salomon_: can you upload a "ps -ef" to pastebin?
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| 23:09 | Maybe that will show what window manager is used...
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| 23:09 | !compiz
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| 23:09 | <ltspbot`> alkisg: "compiz" :: if compiz is giving you problems, one way to disable it for all users is: sudo gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type string --set /desktop/gnome/session/required_components/windowmanager metacity
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| 23:09 | <alkisg> That's the gnome command, not sure if that'll help
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| 23:09 | (as it's a specific gnome key, I double lxde will be using that)
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| 23:13 | <salomon_> this is the url for the pastebin http://pastebin.com/wh0AxN3K
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| 23:14 | lxde uses openbox
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| 23:15 | <alkisg> Maybe /home/user-that-logs-in/.config/openbox/lubuntu-rc.xml has some special settings that enable that user to login?
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| 23:15 | (i.e. not crashing)
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| 23:16 | You didn't see any errors in the problematic user ~/.xsession-errors, did you?
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| 23:16 | <salomon_> let me check
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| 23:16 | <alkisg> And, did you try an xterm session?
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| 23:17 | When I first encountered the gnome compiz problem, I had to "bisect" through all of the "correct user's" ~/.gconf settings to pinpoint it
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| 23:17 | <salomon_> I tryed the xterm session and i logged in, but just at the upper left corner, when I move the mouse cursor to the bottom right corner, the mouse pointer change to the icon that is used when loading something
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| 23:18 | <alkisg> I.e I deleted half of the settings, checked if they worked, then the other half of the settings etc
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| 23:18 | OK then something in the session is crashing X
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| 23:19 | <salomon_> ok what should I do first? check .xsession-errors for the user that can't login?
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| 23:19 | <alkisg> Yes, that first,
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| 23:19 | and then if you don't see anything recognisable try mv'ing any ~/.settings files from your "correct" user to find out what makes the difference between those users
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| 23:19 | * alkisg has to leave in a couple of minutes... | |
| 23:20 | <salomon_> ok, thanks for the advice, I'll try it and see what happens
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| 23:30 | <epaphus> hell all.
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| 23:32 | So, iam testing ltsp... ive seem that the average bandwith cosumption is 600kbytes/sec-1mb/sec per client browsing dfs, and the internet with firefox (without media)... isthis about the same universal experience?
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