IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 24 October 2012 (all times are UTC)
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| 03:22 | <ltspuser_04> i am having a time trying to get LTSP on CentOS 6.3 with a single nic. I am a Linux newb, but trying to figure this out to play around some linux terminal servers. Am i trying the impossible?
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| 11:07 | <ltspuser_23> Hi
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| 11:08 | I have an Ubuntu 12.04 with ltsp
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| 11:08 | and when I specify the Printer_0_Device and Printer_0_Type in lts.conf the terminal doesn't boot
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| 11:08 | stays on ubuntu splash screen
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| 11:08 | why?
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| 11:15 | anyone?
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| 11:17 | <andygraybeal_> maybe no one is awake yet bro
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| 11:17 | <mgariepy> https://bugs.launchpad.net/ltsp/+bug/996533
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| 11:22 | stgraber, is this fix uploaded in precise yet ?
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| 11:23 | <ltspuser_23> thks mgariepy
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| 11:29 | and anyone knows which is the best flags to improve graphics on LDM??
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| 11:31 | <stgraber> mgariepy: still waiting in the queue
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| 11:31 | quite a bit of backlog after the release...
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| 11:31 | <mgariepy> well wasn't that uploaded before the release?
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| 11:33 | <stgraber> yep, it was uploaded during BTS but was item 200 or so on the list, now it's number 7 assuming they review in the right order
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| 11:33 | so should be accepted into -proposed next time someone has time to review the queue
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| 11:34 | with UDS next week and some people traveling already, I wouldn't be on it being accepted this week or next
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| 11:34 | <mgariepy> stgraber, can i have acces to view the queue ? i looked a bit but didn't find anything this morning.
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| 11:34 | <stgraber> https://launchpad.net/ubuntu/precise/+queue?queue_state=1&queue_text=
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| 11:35 | <mgariepy> ha, i was on that page but it was showing new, thanks a lot ;)
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| 11:36 | <stgraber> np
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| 12:14 | <ltspuser_23> just one thing that I detected
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| 12:14 | if I have a printer configured
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| 12:15 | and if the printer is connected all work fine
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| 12:15 | but if we disconnect the printer and print 1 file it says that the print job was successfully done but the printer was disconected...
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| 12:16 | and when I connect the printer I lost the job
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| 12:17 | what I have to do is detect if the printer is connected or not and if it's disconnected the jetpipe process must be killed
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| 12:17 | if anyone have another solution please tell me
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| 13:31 | <||cw> ltspuser_23: other than "don't do that"? my guess is that jetpipe is very simple and assumes that you won't unplug printers
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| 13:36 | <||cw> http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/view/head:/client/jetpipe/jetpipe
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| 13:37 | looks so, there's no device file validation, and minimal error handling
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| 15:01 | <solfan> Does anyone have any links on how to install LTSP for thin clients on a server with 1 network interface? I can have a separate server with DHCP.
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| 15:02 | on a CentOS server.
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| 15:04 | * gvy installed own build more or less as usual | |
| 15:12 | <mikec> so I have a standalone Ubuntu 12.04 LTS machine able to login from lightdm screen using kerberos. User logs in, gets a ticket, and AFS tokens (our network file system). Configured all this with PAM. How can I port this idea over to a ltsp-cluster? Do I simply set up each application server to use kerberos authentication the same way as my test box? Or do I need to make any changes to the chroot environment on the root server? Thanks for any helpful di
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| 15:12 | rection.
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| 15:12 | <andygraybeal_> wow your using AFS, you rule.
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| 15:13 | well, and kerb. you are definetly awesome.
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| 15:14 | <gvy> mikec, if you're going to use thin clients then the homedirs are needed on the terminal server, thus "rather yes"
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| 15:14 | that is, if no localapps/fat clients
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| 15:15 | <mikec> i have local unix users with homedirs in /home for now, but thats not our final solution since users already have homedirs in AFS. Eventually I'll get to those details. I would like, for now, to simply get the cluster users to be able to log in with kerberos
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| 15:16 | so if you logged in with your unix password, you wouldn't get a kerb ticket, but if you use your kerberos password, you get your kerb ticket and AFS tokens
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| 15:16 | <gvy> XDMCP based scheme would just work as usual, don't know about ldm this way
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| 15:17 | <mikec> I tried setting this up on my app servers but the kerb passwords are being rejected
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| 15:17 | <gvy> my builds still use xdmcp and I'm happy. :)
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| 15:17 | <mikec> so ltsp-cluster is using ldm, not sure if thats an issue or not
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| 15:18 | ubuntu 12.04 out of the box uses lightdm, which is working fine on my standalone non-ltsp box
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| 15:20 | <gvy> well "ldm kerberos" does yield something
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| 15:23 | <mikec> this seems to be close to the same problem I may be having: http://lists.debian.org/debian-edu/2010/07/msg00097.html
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| 15:38 | <||cw> solfan: do you also have a current PXE setup?
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| 15:53 | <mikec> yes
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| 15:54 | the ltsp-cluster works as it should out of the box, with local unix users on the applications servers
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| 15:54 | thin-clients boot, and i can log in using the local unix passwords that were used to create the local application server user accounts
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| 15:54 | but if the username is also found via kerberos, and the proper kerb password is used, the user should be able to log in
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| 15:55 | but can't right now with my cluster environment
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| 19:33 | <ltspuser_18> Hello. This is the first time I use this chat... How does it work? I have a question that I hope someone can answer.
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| 19:35 | <effenberg> just ask and wait patiently
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| 19:36 | <ltspuser_18> Is there a limit to the ethernet cable length? It seems that the thin clients won´t boot when the cable is about 20 meters or longer.
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| 19:38 | I have 30 thin clients, but only 20 are working. The ones that are farther from the switch aren´t able to boot, but they do when I connect them through a shorter cable.
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| 19:41 | <vagrantc> probably just bad cables.
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| 19:41 | ethernet should be able to go ... 100 meters, i think?
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| 19:43 | https://en.wikipedia.org/wiki/Category_5_cable#Maximum_cable_segment_length
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| 19:45 | <ltspuser_18> I used Cat 5 cables. When you say "probably just bad cables", what do you mean? exacly what would be bad since they are cat 5?
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| 19:45 | <vagrantc> damaged cables
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| 19:46 | <vagrantc> or badly crimped connectors
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| 19:47 | ltspuser_18: try changing ports on the switch to verify if it's the cables ...
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| 19:47 | ltspuser_18: do those cables work at all?
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| 19:47 | ltspuser_18: try plugging in a regular computer, rather than a thin client
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| 19:47 | <ltspuser_18> hmm. Actually, I made the cables, they are from a new roll I bought. Yes, they work
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| 19:48 | <vagrantc> well, 20 meters is well below the distance they should be able to go...
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| 19:48 | <ltspuser_18> I just want to make sure that there is no length limit. If there isn´t any, then I´ll have to test by trying different connectors, or cables, etc.
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| 19:48 | <vagrantc> exactly
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| 19:48 | it should be able to go 100 meters.
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| 19:49 | <ltspuser_18> Since you´re telling me that there is no limit, I´ll start testing....
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| 19:49 | Thank you so much for responding!!
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| 19:49 | <vagrantc> good luck!
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| 19:49 | <ltspuser_18> have a beautifull day. Greetings from mexico!
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| 19:49 | bye
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| 19:55 | <alkisg> vagrantc: hi, any ideas why we haven't solved the /etc/profile bug? bugs.debian.org/cgi-bin/bugreport.cgi?bug=542270
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| 19:55 | ...it sounds easy enough to just source it...
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| 19:56 | <vagrantc> alkisg: not sure...
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| 19:57 | alkisg: the purpose of /etc/profile is for login shells, really.
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| 19:57 | alkisg: do other display managers source it?
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| 19:57 | <alkisg> vagrantc: yes, it's sourced on any kind of logins
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| 19:57 | And a graphical logic is still considered a login, doesn't need to be a shell one I think
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| 19:57 | *login
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| 19:58 | vagrantc: e.g. in fat clients, /etc/profile is sourced (by su -)
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| 19:58 | <vagrantc> ok, if other display managers do it, then i guess we should to. it's not like it's a cliff or something.
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| 19:58 | <alkisg> LDM runs su instead of ssh, so it gets sourced
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| 19:58 | <vagrantc> "su -" is a login shell.
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| 19:58 | <alkisg> And ssh bash -l is as login shell as well
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| 19:59 | Other DMs do the same afaik
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| 19:59 | <vagrantc> the file /etc/profile itself suggests it's for shells, but if your session is run by a shell, i guess.
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| 20:00 | if it's the wrong thing to do, i want to make sure we're all doing the wrong thing :)
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| 20:03 | <alkisg> !learn alkisg-todo as Check ltsp bugs in debian.org
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| 20:03 | <ltsp> The operation succeeded.
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| 20:03 | <vagrantc> !vagrantc-todo
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| 20:03 | <ltsp> I do not know about 'vagrantc-todo', but I do know about these similar topics: 'vagrant-todo'
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| 20:03 | <vagrantc> !vagrant-todo
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| 20:03 | <ltsp> vagrant-todo: (#1) pxemenus, or (#2) tweak debian/rules to install appropriate update-kernels.conf, or (#3) update-kernels fix memtest support or drop it
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| 20:04 | <effenberg> 2 much ors in your todo
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| 23:12 | <Takyoji[laptop]> Quick and (hopefully) simple question: how does a person get better video playback on a thin client (RaspberryPi in this case, with BerryTerminal; for the details)?
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| 23:14 | Or is it a limitation with the concept?
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| 23:26 | <andygraybeal_> how do i test the dhcp server in ltsp?
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| 23:26 | other than trying to boot a machine offa pxe? is there an in-between troubleshooting step?>
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| 23:27 | oh i remember a setting i need in dhcpd.conf the 'eth1' goes somewhere
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| 23:33 | hmm i have isc-dhcpd and dhcpd3 ... which one is the right one?
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| 23:33 | dhcp3-server is the one in my ubuntu 10.04
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