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