IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 11 May 2009 (all times are UTC)
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| 02:11 | <amitz> the feature of autodetecting proxy in ltsp-build-client, is it included in ltsp5.1.10?
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| 02:38 | <openstep> hi
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| 02:39 | <openstep> anyone here has some time for me?
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| 02:39 | I would like to ask some help
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| 02:42 | <cyberorg> openstep, you wont get it if you don't ask
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| 02:45 | <openstep> I am running an LTSP at a high school and now I need to extend it with other servers...
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| 02:46 | problem is I do not use ldap yet, but I should and this is where my question is
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| 02:46 | I am trying to install and configure openldap on a test server and do not understand something
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| 02:47 | when setting up my linux server I gave a name ubuntuLDAP
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| 02:47 | <openstep> ldpa configuration asks my domain name and I do not know what to give
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| 02:48 | it may sounds strange but.... really
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| 02:49 | so can anyone help?
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| 02:50 | <cyberorg> openstep, ldap setup has nothing to do with ltsp, you may get better directions if you ask in #ubuntu for that
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| 02:52 | <openstep> ok, I know, but guessed others also have done a setup like I would like
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| 02:52 | but thanks I will ask there
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| 03:27 | <v-pro> hello
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| 03:28 | has anyone had problems with ltsp in hardy with eee boxes?
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| 03:28 | can't seem to get the intel graphics drivers to work
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| 03:29 | vesa drivers give me decent resolution but not full HD
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| 03:31 | I tried making new xorg.conf with "X -configure" and that settles for vesa
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| 03:33 | editing the driver manually does not help as the driver fails with drmopen and driscreeninit
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| 03:33 | any ideas?
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| 04:54 | <chrisjrob> in lenny i had a failed install of italc, which i removed, and successfully installed x11vnc. i have now upgraded to lenny-backports and, with a new client image, i have reinstalled x11vnc. i can see it is running on the client, but nmap <clientip> does not display the port. i suspect something in the original abortive italc client install has helped x11vnc to work.
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| 04:55 | the instructions i followed were these https://wiki.edubuntu.org/InstallX11VncOnLtspClients.
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| 04:56 | there is no firewall in between.
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| 05:18 | <chrisjrob> i have switched to the console and tried running the command directly: /usr/bin/x11vnc -- -display :7 -loop -passwdfile /etc/x11vncpassword -nossl, and it just keeps cycling with waiting 2000ms
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| 05:30 | <chrisjrob> seems to be saying that I must have read permission for the auth file, so i have tried running with -auth /var/run/ldm-xauth-l... etc
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| 05:33 | <chrisjrob> no idea whether that is correct or not, but it fails with
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| 05:34 | X Error of failed request: BadShmSeg (invalid shared segment parameter)
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| 06:12 | <chrisjrob> i am trying to get x11vnc working on lenny-backports, but following the exact installation that worked under lenny does not work under lenny-backports...
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| 06:13 | running directly from the console /usr/bin/x11vnc -- -display :7 -loop -passwdfile /etc/x11vncpassword -nossl just keeps cycling every 2000ms
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| 06:13 | saying that I must have read permission for the auth file
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| 06:13 | i have tried running with -auth /var/run/ldm-xauth-l... etc, as i believe this is one of the changes is lenny-backports
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| 06:14 | but it fails with X Error of failed request: BadShmSeg (invalid shared segment parameter)
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| 06:25 | <chrisjrob> i now have a working command /usr/bin/x11vnc -display :7 -loop -passwdfile /etc/x11vncpassword -nossl -logfile /var/log/x11vnc -auth /var/run/ldm-xauth-l...
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| 06:26 | <amitz> I need to install a kernel module for my client network card. I can probably do it with --late-packages. But I plan to just chroot and run apt-get (suppose to work?)? apt-get doesn't seem to work since it can't configure the module since no apt-utils. Installing apt-utils before hand doesn't have any effect. Any idea?
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| 06:26 | <chrisjrob> seemingly the "--" was being refused, although it was working under lenny, and it does indeed seem to require the -auth switch.
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| 06:26 | <amitz> Or I can only use --late-packages option of ltsp-build-client?
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| 06:26 | debian lenny
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| 06:28 | <chrisjrob> amitz: can you not just add it in the chroot to /etc/modules ?
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| 06:30 | <amitz> Is that the only configuration debconf do when installing module? hmm I'll try but I already delete the image and building from scratch again with --late-packages option turned on :-)
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| 07:08 | <chrisjrob> so if i'm right that x11vnc now needs the "-auth /var/run/ldm-xauth-l..." parameter, then i need to determine the name of this authority file, as part of /etc/init.d/x11vnc, but how?
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| 07:17 | ronalde has joined #ltsp | |
| 07:18 | <ronalde> When offering Jaunty ltsp root images and nbd chroot from a hardy tftp-server, the resulting chroot produces boot errors like: Broken pipe Reconnecting and Error Ioctl/1.1a failed bad file descriptor. Any clues?
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| 07:26 | <alkisg> ronalde: that's "normal"
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| 07:35 | <ronalde> alkisg: ? ... but after authentication the screen stays black
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| 07:35 | <alkisg> ronalde: that would be a different problem
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| 07:36 | <alkisg> ronalde: see ldm.log or the other log files for any clues...
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| 07:36 | <ronalde> alkisg: how come you are so sure about the harmlessnes for these errors?
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| 07:37 | <alkisg> ronalde: well, I've been seeing this in all (=6-7) installations for the past months, and I've heard people saying the same thing here about a dozen of times.
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| 07:37 | (one of them being one of the ubuntu devs)
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| 07:39 | <ronalde> alisg: thx, i'll try checking for other problems. Right now we reverted back to our hardy chroot, which was the last version without the symptom
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| 07:40 | alkisg: thx, i'll try checking for other problems. Right now we reverted back to our hardy chroot, which was the last version without the symptom
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| 07:40 | <alkisg> 8.10 also had this error message... something else is your problem
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| 07:41 | And you're saying that you see ldm fine, but when you log in, the screen stays blank?
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| 07:41 | <ronalde> alkisg: yep
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| 07:41 | <alkisg> Well, I'd try with SCREEN_02=shell and SCREEN_07=ldm in lts.conf,
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| 07:41 | so that I could (1) see the logs and (2) try ssh'ing to the server...
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| 07:41 | <ronalde> alkisg: did that
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| 07:42 | alkisg: we have central syslog enabled; ssh-ing to the server works fine
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| 07:43 | <alkisg> ronalde: did it show any additional info, like e.g. a warning about changed keys or something? (if you tried it from the SCREEN_02 I mean)
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| 07:43 | and, what does ldm log say?
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| 07:44 | <ronalde> alkisg: no, the only extra message in the chroot was something like: SCREEN_01 contains a screen script ...
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| 07:44 | I would have to reeanble the new chroot to check ldm.log
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| 07:45 | <alkisg> Yeah...
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| 07:47 | <ogra> ronalde, first check ~/.xsession-errors :)
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| 07:47 | (on the server for the user you try to log in with)
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| 07:48 | <ronalde> ogra: will do that too, thx
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| 08:03 | leio_ is now known as leio | |
| 08:04 | <toddobryan> I'm having some trouble with a second server. I can boot from the server that's running DHCP, but when I set next server to another server (that also has all the LTSP packages installed, the client built, etc) I get Trying to load pxelinux.cfg/... and it tries all the paths really slowly.
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| 08:05 | <toddobryan> I'm on Ubuntu. The current DHCP server is running 8.10, the new server is running 9.04. (I'm trying to upgrade.)
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| 08:12 | <alkisg> toddobryan: try to load those files with a real tftp client
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| 08:12 | i.e apt-get install tftp-hpa and tftp server and get /path/to/file to see if it takes too long...
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| 08:12 | <toddobryan> from another machine, you mean?
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| 08:12 | <alkisg> Yeah, of from one server to the other, of from a client
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| 08:13 | <ogra> also make sure that you only have one DHCP server running in your network
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| 08:14 | <toddobryan> OK...trying both of those now.
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| 08:15 | <ogra> having a second dhcp server running will definately break
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| 08:16 | <toddobryan> I'm pretty sure I don't have a second DHCP server running, at least on the local network.
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| 08:17 | The client is getting the right IP address. (They're statically set, so I know which client is which.)
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| 08:17 | Checking on tftp now...
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| 08:22 | <toddobryan> OK. On the DHCP server, I installed tftp-hpa and started tftp to the new server.
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| 08:22 | I get permission denied on every get request.
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| 08:22 | <alkisg> Firewall?
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| 08:23 | <toddobryan> Nope.
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| 08:23 | <alkisg> Is the tftp server running ok?
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| 08:23 | <toddobryan> How would I check?
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| 08:23 | <ogra> vmware installed on your server ? (it forcefully pulls in xinetd which isnt supported under ubuntu/debian's default setup)
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| 08:23 | <toddobryan> Nope, no vmware.
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| 08:24 | <ogra> tftp us started by inetd
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| 08:24 | check /etc/inetd.conf for a tftp line
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| 08:24 | <toddobryan> #:BOOT: TFTP service is provided primarily for booting. Most sites
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| 08:24 | # run this only on machines acting as "boot servers."
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| 08:24 | tftp dgram udp wait root /usr/sbin/in.tftpd /usr/sbin/in.tftpd -s /var/lib/tftpboot
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| 08:24 | <ogra> good
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| 08:25 | and inetd is running on the machine ?
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| 08:25 | <ogra> ps ax|grep inetd
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| 08:25 | <toddobryan> Not much.
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| 08:25 | sysadmin@200-202-server-1:~$ ps ax|grep inetd
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| 08:25 | 2945 ? Ss 0:00 /usr/sbin/inetd
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| 08:25 | 4889 pts/1 R+ 0:00 grep inetd
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| 08:25 | brb
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| 08:25 | <ogra> enough
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| 08:26 | ls -l /var/lib/tftpboot
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| 08:31 | <toddobryan> Wow, that's weird.
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| 08:31 | It's working, now.
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| 08:31 | My remote session got stuck and I couldn't reconnect, so I rebooted.
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| 08:32 | I must have not restarted some service when I finished installing.
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| 08:32 | Any idea which one?
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| 08:33 | <alkisg> To restart inetd (and tftp along with it): sudo invoke-rc.d openbsd-inetd restart
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| 08:33 | <ogra> well, since tftp is run by inetd and you didnt get tftp files its likely inetd
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| 08:33 | <toddobryan> Ah.
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| 08:33 | I did try to restart tftp-hpa, but not inetd.
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| 08:33 | Duh.
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| 08:34 | <ogra> heh
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| 08:34 | <toddobryan> How long does it take to actually feel like you know what you're doing and aren't just trying things and hoping the gods smile on you?
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| 08:34 | <ogra> can take a while, especially with ltsp :)
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| 08:36 | <toddobryan> Thanks for the help. Sorry to bother you with something so simple.
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| 08:36 | (I would have restarted on principle, but I was busy copying home folder over from the old server.)
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| 08:39 | <alkisg> ogra, any way (more proper than `chattr`) to have a custom pxelinux.cfg/default persist updates? E.g. some ltsp-conf file to put boot prompt opts in? :)
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| 08:40 | <ogra> there was something, have a look at the ltsp-update-kernels code
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| 08:40 | (its long ago that i have looked at it, but we had a config file that gets sourced)
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| 08:40 | <alkisg> ty,looking...
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| 08:42 | <ogra> i know vagrant always wanted to improve it though you have to jump though a bunch of hoops to use it
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| 08:43 | <ronalde> ogra, alkisg: just pu a fresh jaunty i386 chroot live; logged in as a fresh user. The only processes that are started are: sshd: gast2 [priv] / sshd: gast2@pts/9 / bash -c echo LTSPROCKS; /bin/sh - / /bin/sh -. The screen stays black and displays the wait-cursor. ldm.log diaplays no errors (last lines: Beginning X session. / rc_files: /bin/sh /usr/share/ldm/ldm-script xsession / ldm_spawn: pid = 3827)
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| 08:48 | <ronalde> alkisg, ogra: actueally ... after waiting a loooong while the desktop shows. What could I check further?
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| 08:49 | <alkisg> dns?
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| 08:49 | (bbl)
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| 08:54 | <ronalde> alkisg: dns? you're right, the booted chroot doesn't have /etc/resolv.conf ... the i386-directory on the boot-server does have it . I'll try rebuilding the image
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| 08:55 | <ogra> dns isnt needed in a default ltsp setup on ubuntu
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| 08:55 | is the loopback device up on the server ? is gdm running ? (some apps in the gnome session check for the gdm socket to be available)
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