IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 27 April 2009 (all times are UTC)
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| 03:23 | <tsurc> good morning all ;)
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| 03:30 | <tsurc> Hi, I'm using dapper and ltsp 4.2 and I have an issue related to X
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| 03:50 | <knipwim> ltspfs currently mounts my usbstick to /tmp/.<user>-ltspfs/usbstick-sda1
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| 03:51 | how do you change this mountpoint, to /home/<user>/usbstick for example?
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| 03:51 | <cyberorg> knipwim, kde/gnome?
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| 03:51 | <knipwim> fluxbox
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| 03:51 | <cyberorg> does fluxbox show desktop icons?
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| 03:51 | <knipwim> nope
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| 03:52 | <cyberorg> devices should be in /media not /tmp
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| 03:53 | <knipwim> you know where the mount point is configured?
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| 03:53 | <cyberorg> knipwim, grep for it in ltspfs-trunk code
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| 04:06 | <ogra> knipwim, in the ltspfs_entry script of udev
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| 04:08 | cyberorg, wrong, device mountpoints (where never anything is mounted though, since ltspfs onlöy uses that on demand) are in /tmp on the backend side
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| 04:09 | <cyberorg> ogra, but the devices should show up in /media ?
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| 04:09 | <ogra> only the session mount is remapped to /media/$USER/<devicename> on the server side *after* all udev and network operations succeeded
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| 04:10 | the mount in /tmp is the network mount, for the UI it gets remapped
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| 04:10 | both are needed
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| 04:11 | <cyberorg> lbmount maps it from /tmp to /media?
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| 04:11 | <ogra> knipwim, oh, sorry i was wrong, the server side is actually done in ltspfsmounter, but that should already do the right thing and bind mount the /tmp dir to /media/$USER
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| 04:11 | cyberorg, right
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| 04:11 | called by ltspfsmounter
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| 04:22 | <knipwim> ogra: it doesn't, but thanks, i now know where to look for
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| 04:35 | <slashdotfx> ogra, can you help with with usb stick not mounted on server problem?
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| 04:35 | I run jaunty ltsp, after following ubuntu wiki on debugging ltsp local devices
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| 04:35 | <ogra> no idea :)
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| 04:35 | is it properly partitioned ?
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| 04:35 | <slashdotfx> on the last step, ssh -S /var/run/ldm_socket(etc) user@server id
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| 04:36 | the process just stop
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| 04:36 | yes, it is properly partitioned
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| 04:37 | it mount and showed ok if I plug it just before the client bootup
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| 04:37 | but if I plugged it in after client bootup, it doesn't show up on the server
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| 04:39 | <ogra> nothing in /media/$USER ?
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| 04:39 | <slashdotfx> nothing, if i see on the thinclient console, from dmesg, it detect the usb ok
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| 04:40 | <ogra> can you put the last lines of dmesg on the client on the pastebot ?
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| 04:40 | !patebot
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| 04:40 | <ltspbot`> ogra: Error: "patebot" is not a valid command.
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| 04:40 | <ogra> !pastebot
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| 04:40 | <ltspbot`> ogra: "pastebot" is The LTSP pastebot is at http://pastebot.ltsp.org. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. A link to the content will be pasted in the channel.
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| 04:40 | <ogra> bah
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| 04:41 | <NeonLicht> slashdotfx, what hapens if (after you boot the client with the stick pluged in) you remove the stick and plug it in again? Does the server get to access it again?
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| 04:44 | <ltsppbot> "slsahdotfx" pasted "usb stick not mounted on server" (53 lines) at http://pastebot.ltsp.org/313
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| 04:45 | <slashdotfx> NeonLicht: if I remove the stick, and removeing it, the mount point is still there
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| 04:45 | <ogra> slashdotfx, hmm, i wonder why you use squashfs there
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| 04:45 | ubuntu switched to aufs with intrepid
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| 04:46 | is that an upgraded system or a fresh jaunty install ?
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| 04:46 | <slashdotfx> it's fresh install
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| 04:46 | <ogra> hmm ... the squashfs errors look worrying in your dmesg
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| 04:47 | the usb key looks fine
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| 04:48 | to me it looks more like your whole client FS is dieing
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| 04:49 | can you do a ls of any dir (/usr/lib for example) on the client ?
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| 04:50 | <slashdotfx> yes I can, I can log into the client without problems (via ssh)
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| 04:51 | <ogra> and the ls doesnt produce any filesystem errors ?
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| 04:51 | it realloy looks like something screwed the client chroot
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| 04:52 | did you install anything or made any changes apart from installing the ssh server ?
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| 04:52 | <slashdotfx> no ogra, no error on filesystem at all
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| 04:52 | I only add openssh-server and wakeonlan
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| 04:52 | if I try to add some more packages, my thinclient wont boot, that is another problem
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| 04:52 | <ogra> Apr 27 15:53:20 w6 kernel: [ 19.734666] nbd0: Attempted send on closed socket
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| 04:52 | Apr 27 15:53:20 w6 kernel: [ 19.734725] end_request: I/O error, dev nbd0, sector 369824
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| 04:52 | Apr 27 15:53:20 w6 kernel: [ 19.734799] SQUASHFS error: sb_bread failed reading block 0x2d250
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| 04:53 | thats definately a disconnect of the client
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| 04:54 | <ogra> sometrhing is badly screwed in your chroot imho ... i'd try to move away the old .img file and chroot (sudo mv /opt/ltsp /opt/ltsp.bak) and re-run sudo ltsp-build-client
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| 04:54 | see if it works then, if it does, try to find the difference between /opt/ltsp.bak/i386 and /opt/ltsp/i386
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| 04:55 | <slashdotfx> yes, I've already did rebuild the chroot, couple of times
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| 04:56 | with pristine (from ltsp-build-client) without adding openssh-server or wakeonlan, the nbd error is still there
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| 04:56 | <ogra> the "end_request: I/O error, dev nbd0, sector 369824" ?
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| 04:56 | note that we enforce a reconnect, but that surely shouldnt trigger any squashfs errors
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| 04:57 | <slashdotfx> Apr 27 15:53:20 w6 kernel: [ 11.943448] nbd0: unknown partition table
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| 04:57 | <ogra> thats fine
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| 04:57 | <slashdotfx> Apr 27 15:53:20 w6 kernel: [ 19.681349] nbd0: NBD_DISCONNECT
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| 04:57 | Apr 27 15:53:20 w6 kernel: [ 19.710253] nbd0: Receive control failed (result -32)
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| 04:57 | Apr 27 15:53:20 w6 kernel: [ 19.721617] nbd0: queue cleared
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| 04:57 | and that
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| 04:57 | Apr 27 15:53:20 w6 kernel: [ 19.734666] nbd0: Attempted send on closed socket
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| 04:58 | <ogra> thats all fine, the squashfs errors arent
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| 04:59 | <slashdotfx> ic, ok I'll try to rebuild it again, and find the difference, thank you
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| 04:59 | <ogra> anyway, if you tried already with a clean chroot the only thing i can imagine is a kernel issue with your HW so the kernel doesnt see the plug events
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| 04:59 | any idea what USB controller that client hasd ?
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| 05:00 | (lspci should show something )
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| 05:01 | <slashdotfx> 00:03.3 USB Controller: Silicon Integrated Systems [SiS] USB 2.0 Controller
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| 05:01 | <ogra> shudder :) SiS
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| 05:01 | but that should still work though ...
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| 05:01 | <slashdotfx> :) it a cheap mobo, I know, but that is what we can get down here :)
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| 05:01 | <ogra> even if its crap HW
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| 05:01 | can you check if udevd is running ?
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| 05:02 | <slashdotfx> yes udev daemon is running
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| 05:03 | ogra, what about ldm_socket? if I try to "ssh -S /var/run/ldm_socket_3806_192.168.0.1 user@server id" it should run ok right?
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| 05:03 | but it doesn't, the ssh process is hung
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| 05:03 | <ogra> no idea, that troubleshooting page is massively out of date
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| 05:03 | <slashdotfx> I see couple of ltspfs_entry is hung also, because it run "ssh -S" too
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| 05:04 | <ogra> hmm
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| 05:04 | LDM is running fine and you are logged in through it while trying teh commands i assume
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| 05:04 | <slashdotfx> but if I run ssh with new different socket, it runs ok
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| 05:05 | <ogra> (else that socket wont exist at all)
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| 05:07 | i'm not even sure the socket location in the wikipage still matches ... check /var/run after you logged in through ldm, ldm creates it during the session login process
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| 05:08 | <slashdotfx> yes it still there
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| 05:12 | <ogra> do you have any special setup of your sshd server side ?
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| 05:12 | something that might restrict socket usage in ssh connections
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| 05:13 | <slashdotfx> no ogra, only ListenAddress directive, set to 0.0.0.0 if that matters
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| 05:14 | <ogra> can you revert to the default sshd_config and check ?
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| 05:14 | <slashdotfx> that because I want to turn ssh from listening on ipv6
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| 05:15 | <ogra> it might enforce a DNS lookup to set that, not sure
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| 05:16 | <ogra> so the server would eternally try to look up the client name
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| 05:20 | <slashdotfx> still no good, I've revert sshd_config back, the ssh socket cannot be reused
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| 05:22 | <kevincolyer> Anybody got experience of LTSP with KDE 4.2? Very little in mailing list I can see. I'm thinking of upgrading 3.5 and concerned about performance hits on thin clients.
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| 05:22 | <ogra> did you make any changes to the ssh_config file on the client =
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| 05:22 | <kevincolyer> yes, I turned off the encryption
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| 05:22 | <slashdotfx> no ogra, no changes at all
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| 05:22 | <ogra> kevincolyer, that was to slashdotfx, sorry
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| 05:22 | <kevincolyer> oops
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| 05:23 | <slashdotfx> btw, if I set LDM_DIRECT=True, the client won't boot properly, again that is another problem :)
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| 05:23 | oops sory, LDM_DIRECTX=False
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| 05:27 | and what user groups beside fuse, should thinclient users be a member of?
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| 05:27 | <ogra> the default set adduser or the GUI tool use
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| 05:31 | <chrisjrob> i am rolling out a new debian lenny ltsp5 server, as phase 1 we are using LTSP to connect to a citrix server, but after about 20mins or so the monitor switches off, but when it comes back rdesktop is unresponsive, and needs to be restarted. has anyone come across this problem?
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| 05:33 | <slashdotfx> I had to run, see you and thanks ogra, I'll try to gather some more information
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| 05:33 | <ogra> slashdotfx, if LDM_DIRECTX doesnt work i'd start looking server side
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| 05:34 | that and teh nonworking local device indicates somehow that somethng in your server setup is screwed
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| 05:35 | slashdotfx, note that LDM_DIRECTX=False is the default ... we would have had a lot of bugreports if it wouldnt work for other users
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| 06:29 | <zamba> i need some advice for my thin client setup.. i've set up fat clients running ubuntu in my lab environment.. this is for a school with students aged 6 to 14, so for simplicity and stable learning environment we've set up the machines to only log on using one shared account for every user..
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| 06:30 | <zamba> i've also set up a nfs shared /home directory.. but to prevent one of the student's changes being permanently replicated to all others, i mount a unionfs ontop of the read-only /home directory.. this works very nicely for the fat clients, but i want to do the same for the thin clients.. any suggestions?
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| 06:43 | <NeonLicht> hey, alkisg, did you finally check out the time out thing on your Win2003 server? I still have the pop up of the login screen trouble here :-(
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| 06:44 | <alkisg> Hello NeonLicht, no, I didn't check anything, I didn't know if you needed me to...
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| 06:44 | <alkisg> Want me to check when I get some free time?
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| 06:45 | <NeonLicht> alkisg, well, that's really annoying people here. THey simply cannot work on the thin clients with the thing poping up every few minutes on their screen :(
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| 06:45 | I would really appreciate if you could, alkisg :)
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| 06:45 | <alkisg> You could bypass that with a login script like Gadi told you, but if you prefer to do it from the windows-side, then I could have a look...
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| 06:46 | Just one thing - I think I have a 2008 installation on vbox, not a 2003 one - I hope they're similar
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| 06:46 | <NeonLicht> alkisg, I'm not a coder and have no clue on how to write the script, alkisg
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| 06:47 | <NeonLicht> I just need to get rid of this behaviour, or just have everybody here (but me) go back to PCs running Windows and forget aout the nice thin clients I've got installed
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| 06:53 | <alkisg> NeonLicht: well an easy solution would be to ask/pay someone to write you that script - it wouldn't take more than a few minutes - but anyway I'll have a look into it, I'll tell you probably tomorrow.
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| 06:54 | <NeonLicht> thanks a lot, alkisg, I really appreciate it
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| 06:58 | <zamba> i need some advice for my thin client setup.. i've set up fat clients running ubuntu in my lab environment.. this is for a school with students aged 6 to 14, so for simplicity and stable learning environment we've set up the machines to only log on using one shared account for every user..
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| 06:58 | i've also set up a nfs shared /home directory.. but to prevent one of the student's changes being permanently replicated to all others, i mount a unionfs ontop of the read-only /home directory.. this works very nicely for the fat clients, but i want to do the same for the thin clients.. any suggestions?
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| 06:59 | <alkisg> "using one shared account for every user.." => you mean for every PC?
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| 06:59 | <NeonLicht> wouln't that mae things more difficult instead of easier?
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| 06:59 | s/mae/make
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| 07:00 | <ogra> it would break a lot of things :)
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| 07:03 | <kevincolyer> Any advice or experience with KDE 4?
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| 07:26 | <Drakonen> zamba: one account sounds quite problematic actually :s
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| 08:24 | <_Shane> Does anyone have any experience with LTSP terminals randomly locking up?
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| 08:44 | <coolzero> Bonjour tous le monde
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| 08:51 | <kevincolyer> Any advice or experience with KDE 4? Really? Anyone!
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| 09:31 | <_UsUrPeR_> hey, can anyone point me towards the code that allows X_VIRTUAL in the lts.conf for Fedora?
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| 09:31 | * _UsUrPeR_ needs to get virtual resolutions working in openSUSE 11.1's lts.conf | |
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| 09:40 | <zamba> alkisg: for every pc, yeah
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| 09:40 | Drakonen: well.. that's why i have the unionfs mounted on-top
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| 09:43 | <alkisg> zamba: well answering after 2 hours makes conversations a little difficult... :)
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| 09:43 | What was the problem again?
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| 10:04 | <chrisjrob> using debian lenny, with rdesktop to connect to a citrix server, we are finding that the clients are locking up; we believe when client goes into power-saving. when the screen wakes up the citrix display is still present, but unresponsive. has anyone seen this behaviour?
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| 10:05 | (ltsp5)
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| 10:10 | <mahdi_ja> hi all]
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| 10:10 | i want run windows app on my linux ltsp server. i can do this without less performance ?
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| 10:12 | <chrisjrob> windows apps will not run on linux without either Wine or a connection to a windows server (which may or may not be virtualised)
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| 10:12 | no all apps will run under wine.
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| 10:13 | s/no/not/
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| 10:13 | <mahdi_ja> chrisjrob: i can create virtual windows with xen and when client connect to ltsp server run virtual windows.
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| 10:14 | <chrisjrob> yes, and performance shouldn't be any worse connecting from linux to windows than from windows to windows.
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| 10:15 | <mahdi_ja> chrisjrob: thank you.
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| 10:16 | <chrisjrob> we are using kvm to virtualise windows, and using rdesktop to connect from ltsp to the virtualised windows server 2003.
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| 10:17 | <mahdi_ja> chrisjrob: kvm stronger than xen.
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| 10:17 | chrisjrob: kvm stronger than xen ?
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| 10:17 | <chrisjrob> no idea, never used xen, sorry.
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| 10:19 | <NeonLicht> en is wonderful, mahdi_ja, I use it to do server consolidation and live migration
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| 10:19 | <chrisjrob> note that the windows applications will run in a full screen Windows desktop, unless you use the Cendio seamlessrdp rdesktop patch,
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| 10:19 | or go the proprietary route with 2X or Citrix.
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| 10:19 | <ogra> just dont forget that you violate the windows licensing if more than one user uses the same copy
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| 10:19 | <NeonLicht> s/en/Xen
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| 10:20 | <chrisjrob> we use a terminal server with licences for all users,
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| 10:20 | <ogra> right
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| 10:20 | but with Xen you will likely use the same image shared
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| 10:20 | or with any other virtualization software
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| 10:21 | * ogra doesnt mind if people violate MS licenses anyway, just wanted to point the legal issues out | |
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| 10:21 | <mahdi_ja> NeonLicht: you virtual windows there is in the ltsp server or on the separate server.
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| 10:22 | <NeonLicht> mahdi_ja: I never use Windows, sory, just Debian GNU/Linux, OpenBSD and FreeBSD
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| 10:23 | <mahdi_ja> what idea is better:virtual windows is in ltsp server or on the separate server ?
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| 10:24 | <chrisjrob> mahdi_ja: with kvm we have the windows server running on the same metal as the ltsp servers,
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| 10:24 | but always preferable to separate, if you can afford the extra hardware.
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| 10:25 | we have 25 users on a dual quad-core xeon server with 4gb ram, with most users using windows and linux applications seamlessly on the same server, and performance is fine.
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| 10:27 | <mahdi_ja> chrisjrob: why your virtual windows is server 2003,can i use xp or i must windows server family ?
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| 10:28 | chrisjrob: why your virtual windows is server 2003,can i use xp or i must use windows server family ?
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| 10:29 | <chrisjrob> for licensing reasons - its cheaper to licence 25 users on a windows server, than to buy 25 xp licences
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| 10:29 | <chrisjrob> also, getting xp to work in this way is a bodge
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| 10:29 | whereas windows server with terminal services is designed for the purpose.
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| 10:31 | <mahdi_ja> chrisjrob: you do not use terminal server properties of windows server 2003,you user this for desktop reason,i think right ?
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| 10:32 | <chrisjrob> we use terminal services, because this enables multiple users to connect via rdesktop to the windows server, which is how our linux users are connecting to the windows server.
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| 10:32 | <richard_parker_v> Good day. Anyone on that is familiar with LOCALAPPS and related scripts?
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| 10:33 | <chrisjrob> mahdi_ja: but we switch off the desktop, so that the applications run seamlessly on the linux desktop,
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| 10:34 | but, as I said, this requires the Cendio patch, and also another from Fontis to enable each user to use multiple applications - but if you are happy for Linux users to log into a Windows desktop, then you don't need these.
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| 10:36 | <NeonLicht> chrisjrob, do you set up LTSP to log into LTSP (ldm) and Windows servers on different VTs?
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| 10:36 | <mahdi_ja> chrisjrob: thank you.
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| 10:38 | <chrisjrob> NeonLicht: no we just have the Windows applications integrated into the KDE menus, run Internet Explorer from the menu, and it almost instantly logs into the terminal server, and returns Internet Explorer as a seamless window on the Linux desktop.
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| 10:38 | the next application piggybacks the same connection, so that it loads instantaneously as a second windowed application on the linux desktop.
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| 10:40 | we use the standard rdesktop drive mapping to make the file structure seamless as well, so that "My Documents" under windows is /home/user/Documents under Linux.
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| 10:42 | of course the Windows applications don't look like native linux applications, and obviously you're not going to play 3d accellerated games on the Windows server, but really it works well.
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| 10:52 | <richard_parker_v> regarding LOCAL_APPS -- the S01-localapps script takes care of UID and GID on the client, but expects /etc/passwd and /etc/group to be rw -- eg mounted tmpfs, but on our clients, these locations are not--they are on the readonly mount and thus the attempt to modify them locally fails and the script fails. Are we missing a parameter in lts.conf? LOCAL_APPS is true...
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| 10:58 | <coolzero> bonsoir tous le monde
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| 10:58 | <coolzero> je cherche un petit coup de main s'il vous plait
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| 10:58 | <ogra> richard_parker_v, you mean you use nfs ?
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| 11:01 | <coolzero> vous parler francais ici ?
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| 11:02 | <richard_parker_v> ogra: yes, we had some problems with nbd on some of our older clients--I can't remember now the details, but the short story was that they did not boot until we reverted back to nfs.
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| 11:02 | <coolzero> do you speak french here ?
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| 11:03 | <ogra> richard_parker_v, in nbd the whole rootfs is writable (and so are group and password) after the client has booted, for nfs the two files are in the bindfiles variable in /etc/default/ltsp-client-setup so should be writable as well
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| 11:03 | <coolzero> ha y a pas de francais ici ?
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| 11:03 | <ogra> coolzero, not normally, no, this is mainly an english speaking chgannel
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| 11:03 | pfft
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| 11:03 | <Lumiere> boom?
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| 11:03 | <ogra> heh
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| 11:03 | coolzero, not normally, no, this is mainly an english speaking channel
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| 11:04 | <Lumiere> ogra: "Remote closed the connection" is usually a boom
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| 11:04 | <coolzero> que ce passe t-il
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| 11:04 | <Lumiere> *food*
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| 11:04 | <richard_parker_v> ogra: I looked at bindfiles and I didn't see them there (passwd and group) -- I expect I can just add them?
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| 11:05 | <ogra> Lumiere, yeah ... the nicer variant of that swedish guy who often resets your connection ...
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| 11:05 | Lumiere, peer is his name i think :P
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| 11:05 | richard_parker_v, right, they should be there by default though
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| 11:06 | anyway, /me calls it a day
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| 11:09 | <jammcq> hola #ltsp
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| 11:14 | <coolzero> merci
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| 11:16 | bonsoir
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| 11:16 | hi
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| 11:32 | <alkisg> stgraber: the locale fix made it for jaunty and works fine, thanks a lot! :)
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| 11:33 | <zamba> alkisg: i'm using a shared user account for all my machines.. with the fat clients i fix this by combining the read only home directory with a writable tmpfs using unionsfs.. i want to do the same using ltsp..
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| 11:33 | <alkisg> zamba: why???!!!
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| 11:34 | <zamba> alkisg: for simplicity and ease of management.. it has been decided this way because we don't want all the extra management for 130+ students with forgotten usernames/passwords..
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| 11:34 | and all are aged 5-6 to 14
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| 11:35 | we also want to make sure that all students have identical desktops for the learning environment
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| 11:35 | <alkisg> zamba, e.g. for ltsp you could have 1 user for each pc, and with ldm_autologin you won't even need to enter a username/password
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| 11:35 | <zamba> well.. those other arguments i mentioned is also valid..
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| 11:35 | are*
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| 11:35 | <alkisg> And you could lock down panels or even delete the home directory after each logout
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| 11:35 | <coolzero> je chercher un peti coup de main pour installer un serveur ltsp dommage
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| 11:35 | <zamba> coolzero: i think you have to write english in here to make yourself understood
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| 11:36 | <alkisg> zamba: so I see extra work the way you do it, not less...
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| 11:36 | <zamba> alkisg: well.. on the fat clients it's very easy..
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| 11:36 | <zamba> alkisg: much easier than writing scripts to wipe home directories or doing something other fancy
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| 11:37 | <alkisg> ok, so what's the difference with ltsp? can't you also use the same login script for unionfs?
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| 11:37 | <zamba> alkisg: no, because all the pam magic happens server side
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| 11:37 | <alkisg> So? ltsp apps also run server side...
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| 11:38 | <zamba> yeah, but i have to do the unionfs-part on the client, if not then the tmpfs will be mounted on-top of the home directory in effect permanently
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| 11:38 | and then all users will see the same unionfs
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| 11:39 | <alkisg> If you do the unionfs part on the client then the client is not really thin anymore... how much RAM is this going to need?
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| 11:40 | <zamba> i could of course create one directory on the server for each thin client
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| 11:40 | <alkisg> E.g. if the user surfs on the net and downloads e.g. 100 Mb of stuff, or temporarily copies a movie from a usb to his home dir, what then?
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| 11:40 | <zamba> oh.. one modification.. i don't use tmpfs..
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| 11:41 | i did in my first tests, but then i experienced the same issues as you refer to now
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| 11:41 | instead i just used disk
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| 11:41 | <alkisg> And your thin clients have disks?
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| 11:41 | <zamba> nope, i don't want them to have that.. but i was thinking if i instead created one temp directory for each thin client on the server
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| 11:42 | <alkisg> So why not a different user account WITH a unionfs? What would the difference be?
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| 11:42 | <zamba> that each of them can write to and then is mounted with unionfs
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| 11:42 | the overhead with user administration
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| 11:43 | <alkisg> what, creating 100 users with a single command line script? because they won't even need to enter usernames/passwords...
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| 11:43 | Creating the directories would be of equal overhead
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| 11:43 | <zamba> disk space is also an issue
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| 11:43 | <alkisg> Why is that different?
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| 11:44 | <zamba> *sigh*
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| 11:45 | i want to do it this way, because that's the way we've done it with the fat clients..
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| 11:45 | is it possible or is it not?
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| 11:45 | we can't do autologin either, because we have different groups of users.. one is for the students but another is for the teachers
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| 11:46 | <zamba> and they will log on to the system approx. an even number of times
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| 11:46 | <alkisg> OK, guest login then, with a single button on ldm... I have this for my students... anyway
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| 11:47 | <zamba> guest login? you mean the built-in guest account in ubuntu?
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| 11:47 | <alkisg> So... (07:37:19 μμ) zamba: yeah, but i have to do the unionfs-part on the client, if not then the tmpfs will be mounted on-top of the home directory in effect permanently ==> you later said you don't want that,
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| 11:47 | zamba: no, guest login is a feature of ltsp
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| 11:47 | <zamba> i altered what i meant with "tmpfs"
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| 11:48 | it's not in fact a tmpfs (meaning in ram), but a directory on the disk
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| 11:48 | <alkisg> So, again, if you're going to do it on the server, what's the difference with the fat clients?
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| 11:49 | <zamba> well.. the effect would be that all clients will share the same unionfs
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| 11:49 | meaning that all changes will be replicated to every other client
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| 11:49 | <alkisg> Well, that's why I proposed different accounts, but then you said you'd use different dirs for each client...
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| 11:49 | <zamba> which would be just the same as letting all the users access the same /home with read and write rights.. only that the changes never would hit the underlying /home
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| 11:50 | i'm just thinking of a solution to it.. that if i maybe created different temp directories on the server for each client.. and then do the unionfs mounting on the client
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| 11:51 | <alkisg> And then I said that unionfs on the client is wrong because you don't have enough ram or disk there... I don't think this is going anywhere... :)
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| 11:51 | <zamba> on the server: /tmp/tmp-01/, /tmp/tmp-02/, tmp/tmp-03/ and then on the clients: client-01 does a unionfs mount between a ro /home and a rw /tmp/tmp-01/
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| 11:51 | this won't use ram
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| 11:51 | this uses file storage on the server
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| 11:51 | <alkisg> It'll use network bandwidth, though
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| 11:51 | <zamba> sure, but that's no biggie
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| 11:52 | but would my solution be possible?
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| 11:52 | <alkisg> Well, you may try it, I don't think anyone else has :)
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| 11:53 | <zamba> on the fat clients i use pammount to accomplish this.. but according to vagrantc yesterday, all pam stuff happens server side
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| 11:53 | .. with ltsp
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| 11:54 | <alkisg> You know, a login script that empties everything sounds really more easy than all that you're saying... :)
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| 11:54 | <zamba> maybe :)
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| 11:55 | but how do i know what to empty?
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| 11:56 | in practice that was really the whole idea with doing a temp directory and unionfs.. because you could then just umount the unionfs and all the changes would be wiped.. not the "skeleton"
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| 11:56 | if you're going to wipe everything afterwards, then you need some mechanism to track what to wipe and what to leave..?
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| 11:57 | <alkisg> I don't think so, e.g. I usually delete the whole directory and then copy /etc/skel... I'm sure you can find information on google for this
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| 11:57 | But if you do it at login (as opposed to logout) it's easier.
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| 11:58 | <zamba> alkisg: well.. the skeleton should be updated now and then.. with configuration for firefox, openoffice and so on..
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| 11:59 | <alkisg> And? That wouldn't affect your login script...
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| 12:00 | <zamba> no, but it would be much harder for a teacher to update the students /home directory if he has to know linux commands to copy the right stuff into /etc/skel
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| 12:00 | instead of just logging on a machine that has no unionfs mounting and do the changes there
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| 12:00 | <alkisg> You may copy /home/testuser instead of /etc/skel
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| 12:01 | <zamba> sure, but the problem is still the same.. the people administering this isn't especially linux savvy
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| 12:03 | i could of course set up a cron job that copies the home directory now and then, but this would introduce some delay
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| 12:04 | <zamba> so i'm still convinced that the by far easiest way is to just introduce a unionfs layer on-top of the home directory for the selected user
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| 12:04 | so i'm still convinced that the by far easiest way is to just introduce a unionfs layer on-top of the home directory for the selected user.)
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| 12:04 | oh!
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| 12:04 | sorry
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| 12:04 | arrow-up :)
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| 12:05 | <alkisg> I'd say that you're looking for sabayon (it's a program that helps setting up the users' environment the way you want it) but I don't know if it's been fixed, it had problems a while back..
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| 12:20 | <russell_nash> Hi, I am paying a return visit after several months. I still can't get my LTSP client to load the gnome desktop after login. I am using Jaunty. I assume it is the the same gnome problem that has existed since Hardy, though I currently only get this in my .xsesson-errors file http://pastebin.com/d2994f6a Is there any progress on this front?
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| 12:50 | <cyberorg> hi, can anyone explain how screen-session.d scripts are used? i can't seem to understand how they work
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| 12:51 | they seem to be sourced from /usr/share/ltsp/screen-x-common, but that script is not executed from ldm or screen_session
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| 13:35 | <droalt> hi guys, I have serveral setups working with intrepid and using a windows dhcp server, but for some reason just can't seem to get one of them working
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| 13:35 | get a tftp timeout error on the ltsp client
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| 13:42 | <schregge> hi, i have a small problem with ltsp5 and remote logging. The syslog messages are comming realy slow and much too late from the clients....
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| 13:45 | <droalt> is the date/time correct on the ltsp and syslog servers
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| 13:45 | <schregge> ltsp and syslog server are the same
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| 13:46 | and date/time is correct
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| 13:47 | <droalt> not sure then
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| 13:47 | how long is the delay?
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| 13:48 | seconds, minutes, hours, days...
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| 13:52 | <schregge> minutes
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| 13:53 | when the terminal is up, i get messages from the boot process
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| 13:54 | <droalt> so whats wrong with waiting a few minutes for it to pull the information
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| 14:06 | <schregge> its very hard for debugging...
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| 14:15 | <ogra_> schregge, add a (fake) entry for every client to /etc/hosts of the server there is a bug in syslogd that enforces it to do a hostname lookup for every line it recieves
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| 14:17 | <schregge> ok, thanks
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| 14:17 | <ogra_> (this is why i.e. in ubuntu remote syslogging isnt on by default ...)
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| 14:17 | * ogra_ goes afk again | |
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| 15:27 | <Ahmuck-Sr> hi. when i upgraded from 8.10 to 9.04 i lost flash
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| 16:27 | <zamba> i have a problem logging on my thin client
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| 16:27 | if i enter the wrong password i get a "permission denied" error back
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| 16:28 | but if i enter the right password, i get a blank screen for a split second and the it returns back to the login screen
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| 16:28 | then it*
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| 16:28 | in auth.log on the server i see: pam_env(sshd:setcred): Unable to open env file: /etc/default/locale: No such file or directory
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| 16:29 | and nothing in any other log files as far as i can tell
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| 16:31 | <zamba> update-locale created the file
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| 16:31 | let's see what happens now
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| 16:32 | nah, same problem
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| 16:41 | <zamba> could it be that i haven't got the required packages installed on the server to get a session running?
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| 17:03 | <comfrey> vagrantc: hey... i am having issues using vnc from a thing client connecting to a vncserver...
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| 17:04 | <vagrantc> i haven't really used vnc much at all...
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| 17:04 | let alone with thin clients
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| 17:04 | maybe others will be around
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| 17:04 | <comfrey> ok... yeah, i can connect through ssh tunnel...
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| 17:04 | but not from a thin client
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| 17:21 | <zamba> vagrantc: hi, it's me again ;)
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| 21:17 | <aminus> hi
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| 21:17 | does anyone have experience with dell optiplex gx1
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| 21:17 | http://support.dell.com/support/edocs/systems/ban_gx1/specs.htm
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| 22:06 | <Ryan52> aminus: probably best to have more than 9 minutes of attention span and to ask a real question.
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| 23:59 | <xmedex> why when i try to login from 9.04 thin client it says the server not respond???
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