IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 28 January 2011 (all times are UTC)
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| 08:03 | <CrypTom> hi all, I'm running LTSP on Kubuntu Maverick, but would like to use xfce for the clients
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| 08:04 | how can I add xfce to be selectable in the display manager?
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| 08:04 | I've installed xubuntu-desktop on the host
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| 08:05 | do I need to install xfce in the /opt/ltsp/ chroot?
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| 08:10 | <robehend1> i'm not sure that LDM supports swithing DEs.
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| 08:11 | <Gremble> certainly does
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| 08:11 | <robehend1> my mistake then
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| 08:11 | <Gremble> if you install the xfce session in the client chroot, you'll get a session option
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| 08:12 | alkisg has joined #ltsp | |
| 08:12 | <Gremble> I've been lazy in the past and just installed the whole of XFCE/gnome/kde or whatever in the chroot
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| 08:12 | which also get's you all those sessions available
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| 08:12 | but you should be able to do it by just copying the relevant files
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| 08:13 | "<CrypTom> do I need to install xfce in the /opt/ltsp/ chroot?" - basically no, but that's an easy option to get what you want
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| 08:17 | <alkisg> Gremble: if ldminfod is running on the server, it should notify the client about the available sessions
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| 08:17 | <Gremble> alkisg, cool, that didn't work for me
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| 08:18 | <alkisg> Trync -w 5 server-ip 9571
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| 08:18 | Try: nc -w 5 server-ip 9571
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| 08:18 | <Gremble> from the client?
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| 08:18 | <alkisg> Maybe you have blocked ldminfod somehow
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| 08:18 | <Gremble> maybe
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| 08:18 | <alkisg> From any remote location
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| 08:18 | <Gremble> not near the system at the moment
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| 08:18 | <alkisg> Not from within the thin client session though as that's on the server
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| 08:19 | <Gremble> sure, from client shell
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| 08:19 | <alkisg> Btw, you're using ldm, not kdm or anything else, right?
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| 08:20 | <Gremble> yep
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| 08:20 | Debian Squeeze - ltsp 5
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| 08:20 | <alkisg> OK. Installing xfce on the chroot *shouldn't* make it show up in the ldm available sessions list then, though
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| 08:20 | On the host, yes, but not on the chroot
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| 08:21 | <Gremble> odd
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| 08:21 | well it worked for me
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| 08:21 | :)
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| 08:21 | <robehend1> are you a wizard
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| 08:21 | <Gremble> unless it was that there was something else going on
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| 08:21 | <alkisg> Erm, kubuntu maverick or debian sqeeze?
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| 08:21 | <Gremble> " if ldminfod is running on the server" - doesn't appear to be running
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| 08:21 | <alkisg> Ah sorry
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| 08:22 | Saw another person's question in the logs, ignore that
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| 08:22 | Gremble: grep ldminfod /etc/inetd.conf
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| 08:22 | <Gremble> 9571 stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/ldminfod
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| 08:22 | yep, fair enough, it's there
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| 08:22 | <alkisg> nc -w 2 localhost 9571
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| 08:22 | (on the server)
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| 08:23 | (e.g. within a client session)
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| 08:23 | <Gremble> oh wow, it give me all the available session names!
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| 08:23 | <alkisg> OK, so you got it blocked remotely
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| 08:23 | grep -v ^# /etc/hosts.*
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| 08:23 | <Gremble> well either that, or it was working but I installed the sessions on the client chroot and thought that was what had fixed it!
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| 08:24 | <CrypTom> Gremble, ok, thanks, I'll try thatz
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| 08:24 | <Gremble> /etc/hosts.allow:nbdrootd: ALL: keepalive
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| 08:24 | /etc/hosts.allow:nbdswapd: ALL: keepalive
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| 08:24 | okay, I need ldminfod too then?
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| 08:25 | <alkisg> Guys sorry I mixed up I thought it was Gremble who had the problem, now I see that it was CrypTom
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| 08:25 | <Gremble> CrypTom, maybe follow this thread for a bit before you try it
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| 08:25 | <alkisg> So CrypTom try those "nc" lines above
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| 08:25 | (04:18:25 μμ) alkisg: Try: nc -w 5 server-ip 9571
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| 08:27 | Gremble: if nc server-ip 9571 works from your client local shell, sure, that's how it gets the sessions
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| 08:27 | <Gremble> okay
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| 08:27 | <alkisg> Currently it doesn't read any sessions available in the chroot
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| 08:27 | It should, but it doesn't
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| 08:27 | <Gremble> excellent, time for a chroot tidy up then :)
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| 08:27 | <CrypTom> alkisg, I'm on it, right now, thanks
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| 08:28 | <Gremble> how do I control which sessions are shown by ldminfod then alkisg ?
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| 08:28 | <alkisg> ldminfod just exposes the sessions that are available on the server
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| 08:29 | so to "control" them you add or remove stuff on the server (other DEs etc)
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| 08:29 | <Gremble> it's the one like KDE/openbox I want to remove
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| 08:29 | Gnome/openbox
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| 08:30 | <alkisg> You want to remove them completely from your server, i.e. uninstall the packages?
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| 08:30 | Or just hide them?
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| 08:30 | <Gremble> ah, hide them
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| 08:30 | <alkisg> Then dpkg-divert the .desktop files?
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| 08:30 | In /usr/share/xsessions-something I think
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| 08:31 | xsessionlist=("/etc/X11/xinit/Xsession",
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| 08:31 | "/etc/X11/Xsession",
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| 08:31 | "/usr/lib/X11/xdm/Xsession",
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| 08:31 | "/etc/X11/xdm/Xsession")
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| 08:31 | lines = get_sessions('/usr/share/xsessions/')
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| 08:33 | <CrypTom> I'm logged in on the server (ssh) and execute: nc -w 5 localhost 9571
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| 08:33 | I dont get anything returned
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| 08:33 | <Gremble> alkisg, thanks very much for that
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| 08:33 | <CrypTom> Do I need to execute these command from an ltsp client?
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| 08:33 | <alkisg> CrypTom: no
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| 08:33 | grep ldminfod /etc/inetd.conf
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| 08:33 | <CrypTom> #<off># 9571 stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/ldminfod
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| 08:34 | <alkisg> So, someone or something turned off ldminfod
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| 08:34 | Any idea what?
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| 08:34 | <CrypTom> no
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| 08:34 | <alkisg> To reenable it, remove the #<off># and run: sudo invoke-rc.d openbsd-inetd restart
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| 08:34 | <CrypTom> ok
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| 08:35 | boa, now I get quite a huge list with the nc command
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| 08:36 | <CrypTom> 3 times: session:/usr/share/gdm/guest-session/Xsession
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| 08:36 | 2 times: session:gnome-session
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| 08:36 | ah, gnome-session (safe-mode and normal)
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| 08:37 | so, let's boot a client, thanks!
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| 08:38 | <Gremble> sorry for the false trail there CrypTom
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| 08:38 | <CrypTom> Gremble, no worries!
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| 08:38 | <Gremble> turns out what I did and what was actually two completely different things!
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| 08:41 | <CrypTom> alkisg, grep -v ^# /etc/hosts.* reports:
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| 08:42 | /etc/hosts.allow:nbdrootd: ALL: keepalive
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| 08:42 | /etc/hosts.allow:mysqld: ALL
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| 08:42 | /etc/hosts.deny:
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| 08:42 | do I need to modify something?
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| 08:43 | <alkisg> CrypTom: I don't think so. You're still not getting the xsession list on the client?
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| 08:43 | Try the nc command line from a remote machine
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| 08:43 | <CrypTom> I'm building a new client-image, the client did not boot :-), I played too hard :-)
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| 08:44 | so I couldn't try yet
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| 08:54 | <pmatulis> when logging in to a client as root user all client session users are logged out. is this normal?
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| 08:58 | <robehend1> anyone had luck using lxde as the de for LTSP?
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| 10:45 | <CrypTom> alkisg, it works now, thanks for your help!
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| 10:45 | <alkisg> You're welcome
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| 11:56 | <alkisg> Yey, win32-loader is getting a "boot from network with gpxe" option - will be very handy for netbooting windows machines: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607417
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