IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 8 July 2011 (all times are UTC)
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| 05:31 | <alkisg> stgraber: I believe the problems you were seeing with nbd compression were caused by nbd-proxy, now that nbd-proxy is disabled by default, is it possible to turn on compression again?
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| 05:32 | It makes nbd disk access about 2.5 times faster, it's very significant especially for fat clients
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| 06:41 | <jimjimovich> Hi Ya'll. Got an LTSP riddle for you. Got 2 thin clients that are completely identical, configured identically, and both running firefox as a local app (connected to an ubuntu 10.04 ltsp server). On one machine, no matter who logs in, Firefox throws certificate and other errors. How can this be?
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| 07:10 | <Hyperbyte> jimjimovich, try running Firefox from a local xterm, see what errors it spits out on the console about this
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| 07:12 | <jimjimovich> Hyperbyte, great idea. Will try :)
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| 07:18 | <jimjimovich> Hyperbyte, no luck. It doesn't throw any errors in the xterm
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| 07:36 | <Guest12483> is there any document regarding kiosk on redhat
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| 07:37 | #ulteo
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| 08:13 | <Guest12483> is there any document regarding kiosk on redhat
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| 08:16 | <Appiah> ltsp on redhat? never heard iof that
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| 08:16 | well on fedora ...
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| 08:16 | <Guest12483> fedora we can install ....u saying
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| 08:16 | <Appiah> ?
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| 08:16 | <Guest12483> any document for fedora
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| 08:16 | <Appiah> I'm just saying
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| 08:16 | I never heard of a LTSP install on RedHat
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| 08:17 | and the closest thing to RedHat is Fedora
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| 08:17 | check topic
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| 08:18 | <Guest12483> Appiah : can we install ltsp on fedora ?
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| 08:18 | <Appiah> sure go ahead..
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| 08:18 | "LTSP-5 is the current version that you should be using. Check out Ubuntu, Debian and Fedora for awesome integration."
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| 08:19 | <Guest12483> k , i tried ubuntu 10.04 but kiosk mode is not working
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| 08:19 | <Hyperbyte> jimjimovich, could it have something to do with your network setup? One client being routed through a proxy, another directly onto the internet, maybe?
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| 08:20 | jimjimovich, because if Firefox doesn't error, and clients are onto the same server, and it happens regardless of which user.... there must be something else that's different I guess?
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| 08:21 | Guest12483, what is your goal exactly? LTSP on Ubuntu or LTSP on Fedora?
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| 08:22 | <jimjimovich> Hyperbyte: That's what I thought too. But all the machines are routed exactly the same, no proxies or anything. It's just really confusing me. I even tried changing the IP address of the client with no effect.
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| 08:22 | <Guest12483> Hyperbyte: i want to intsall ltsp on ubutu ..but kiosk kiosk mode is not working ..so i want to try on other os
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| 08:22 | <Hyperbyte> jimjimovich, you don't run a mac filter somewhere, that prevents strange machines from accessing certain things?
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| 08:23 | <jimjimovich> also, checked lts.conf and dhcpd.conf for any strange things. it's configured just like all the other machines
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| 08:23 | <Hyperbyte> Guest12483, well, then let me save you some time: Ubuntu is far better for LTSP than Fedora.
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| 08:23 | <jimjimovich> Hyperbyte: used to, but now it's turned off
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| 08:23 | Hyperbyte: and the machine can access the internet, it just throws errors on https connections for some reason
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| 08:24 | <Hyperbyte> Guest12483, my advice, stick with Ubuntu and wait someone to help you with kiosk mode (I can't, but others will)
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| 08:24 | <Guest12483> k
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| 08:24 | <jimjimovich> Guest12483: I second that advice.
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| 08:24 | <alkisg> 10.04 is missing a file (kiosksession) that's why kiosk isn't working, I told viks about it and showed him the bug report but to no avail. :(
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| 08:25 | <Guest12483> alkisg : tell me how to do that on 10.04 if u can send me any link
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| 08:25 | <alkisg> https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/572974
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| 08:25 | <Hyperbyte> jimjimovich, have you tried other browsers? Like, even lynx, perhaps?
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| 08:26 | jimjimovich, also, could you show me the completely certificate error? (pastebin)
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| 08:26 | *complete
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| 08:28 | <alkisg> Has anyone tried LDAP with the passwd backend? I'm wondering if we could use that for LTSP by default, it would make things a lot easier than ssh screen scraping or libpam_sshauth etc
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| 08:30 | http://www.openldap.org/doc/admin24/backends.html#Passwd
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| 08:34 | <jimjimovich> Hyperbyte: Got it! How stupid! The date got reset to 2009 on the thin client BIOS ... so it was rejecting all certs issued after 2009 :)
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| 08:35 | <alkisg> Ah again the time code not working...
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| 08:35 | A fix was committed about this
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| 08:40 | <Appiah> alkisg: whats the diff between ldap passwd backend and just using "Normal" ldap auth
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| 08:40 | ?
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| 08:41 | and also kiosk mode in 10.04 is that fixed in other releases and only affects 10.04 ?
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| 08:41 | <alkisg> Appiah: I've never used ldap, but I imagine that the passwd backend allows you to continue working as usual on the server. E.g. gnome users-admin to manage the user accounts.
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| 08:42 | So the ldap server would only be used for thin/fat clients, it wouldn't be needed for the server itself
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| 08:42 | (but using the same tools for user management is my main point)
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| 08:42 | According to the bug report, the kiosk mode was fixed in natty
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| 08:42 | <Appiah> I've used ldap on many setups
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| 08:42 | <alkisg> So it's broken in 10.04, 10.10 - I don't know about 9.10.
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| 08:43 | <Appiah> and the teachers/admins usally use tools like webmin so I never thought about that
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| 08:43 | <alkisg> Not all people are fond of webmin, many hate it in fact
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| 08:43 | <Appiah> but in cli a root user can reset a ldap password
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| 08:43 | like it was a localuser
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| 08:43 | dunno about the gui tools
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| 08:44 | well lucky there are more tools similar to webmin
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| 08:44 | not just webmin
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| 08:44 | <alkisg> Yes, but using the usual tools would be even better
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| 08:44 | <Appiah> I dont like it myself but have gotten the request to set it up
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| 08:44 | <alkisg> Do you think it would work? LDAP with the passwd backend?
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| 08:44 | <Appiah> and I end up customizing it for the teacher so the only thing they have is the users list so they can easily reset password
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| 08:44 | <alkisg> It says it's for "demonstration purposes only"...
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| 08:45 | <Appiah> well I dont know enough about LDAP passwd backend
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| 08:46 | <alkisg> Usually, are ldap clients able to change their passwords etc? Or special tools are needed?
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| 08:46 | <Appiah> if cli can change the password on ldap users "passwd anyuser" , shouldn't the gui tools do the same
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| 08:46 | nope
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| 08:46 | you tell /etc/nsswitch to look for ldap users
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| 08:47 | <alkisg> So if I install LDAP on a school server, and have the clients ask him for authentication, can the users use "gnome-about-me" to change their LDAP passwords?
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| 08:48 | In general, I don't think it's possible, isn't that why special tools were developed for LDAP user management?
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| 08:48 | <Appiah> Like I said, works in a terminal
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| 08:48 | dunno about gnome utilites
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| 08:48 | <alkisg> OK, thanks. If someone has access to such a setup and could try it, I'd appreciate it.
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| 08:49 | <Appiah> I'll see if I get time later today
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| 08:49 | can't promise anything
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| 08:49 | <alkisg> np
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| 08:55 | <Hyperbyte> jimjimovich, glad you got it sorted. :)
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| 11:19 | <stgraber> alkisg: hey!
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| 11:19 | alkisg: I'm switching to nbd-server for Oneiric
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| 11:20 | <alkisg> Hi stgraber
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| 11:20 | <stgraber> alkisg: so it's going to be using tcp/10809 and config in /etc/nbd-server/config
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| 11:20 | instead of inetd
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| 11:20 | <alkisg> Coool! At last!
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| 11:20 | <stgraber> (inetd is broken for nbd apparently and I don't want to debug it ;))
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| 11:20 | nbdroot should be easy to implement, nbdswap might be a bit trickier
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| 11:20 | <alkisg> Please also put boot=ltsp_nbd in the pxelinux.cfg/default command line
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| 11:21 | For nbdswap we can make a single swap file for all clients (sparse) and export it as cow
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| 11:21 | This way nbd-server will automatically clean the temp files as well
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| 11:22 | <stgraber> ah yes, that should work
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| 11:22 | <stgraber> for boot=ltsp_nbd I'm not going to do anything there yet as Oneiric will very likely port initramfs-tools to upstart
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| 11:22 | so it's a bit pointless changing that and then having to rewrite everything anyway with the switch to upstart...
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| 11:22 | <alkisg> Ah... I thought for 12.10 Ubuntu was going to drop upstart?!
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| 11:23 | And switch to systemd (not sure about the name) that debian and opensuse use?
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| 11:24 | <stgraber> hmm, rumors :) The only thing that was said is "If we were to switch away from upstart, it wouldn't be possible before 12.10"
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| 11:24 | <alkisg> Mhm
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| 11:24 | <stgraber> and I'd be surprised if that was to happen considering the amount of time that's currently being spent on improving upstart
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| 11:28 | <alkisg> stgraber: about the rc_whitelist thing... if you'll be changing that now, then I think that the reboot/poweroff upstart scripts would no longer be needed, as sendsigs would work properly
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| 11:32 | <stgraber> hmm, IIRC the problem was that sendsigs would also kill nbd-client and then the whole system would hang
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| 11:33 | but that was a while ago, maybe it's nbd aware now :)
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| 11:50 | <stgraber> wow, that stuff actually works :)
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| 11:50 | now, the fun part of updating ltsp-trunk to support it and then figure out what to do in ltsp-update-image
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| 11:53 | <alkisg> stgraber: the nbd initscripts register themselves with sendsigs so it's working fine. And getting rid of the shutdown/reboot upstart scripts will also allow other services to properly disconnect.
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| 12:13 | <alkisg> So now we only need inetd for ldminfod? I don't think it'd be hard to remove that dependency as well... :)
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| 12:14 | <stgraber> yeah, adding the network part directly in the code should be quite easy
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| 12:14 | as in, I have 10 lines of python that can do it :)
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| 12:14 | <alkisg> SimpleHttpServer ftw!
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| 12:16 | <stgraber> well no, ldminfod isn't a httpserver, but socket + ThreadinMixIn would do the trick in ~10 lines of python
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| 12:16 | less if we don't care about the multithreading part
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| 12:18 | <alkisg> I was thinking of http server in case we want to expand it in the future, and it wouldn't make any difference on client side for now.. but sure anything that works
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| 12:47 | <stgraber> ldm-trunk updated
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| 12:47 | now to work on ltsp-trunk, the hard one, ...
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| 12:50 | <Hyperbyte> !stgraber
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| 12:50 | <ltsp> Hyperbyte: stgraber: rules.
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| 12:50 | <Hyperbyte> Seriously. All you LTSP guys rock. :-)
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| 12:51 | I think it's awesome to see active development like this.
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| 14:04 | <alkisg> stgraber: do you think now with the nbd named export change, it's a good time to also change the colons that we use (nbdroot=server:host), to the commas-based syntax that the standard nbd uses? https://bugs.launchpad.net/ubuntu/+source/nbd/+bug/594595
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| 14:05 | nbdroot=server,port
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| 14:07 | <alkisg> Wouter said he preferred commas to allow for ipv6 later on
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| 14:08 | <stgraber> hmm, I find the idea of using commas quite weird... especially as the syntax for ipv6 is quite clear on that
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| 14:09 | [2001:470:b511:1000:223:14ff:fea3:d9a4]:10809 is my current nbd server
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| 14:09 | <alkisg> He also allows for a third parameter, server,port,device - but we just use the first one available anyway
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| 14:10 | <stgraber> I don't particularly mind changing the nbdroot syntax as it's not going to be used much anyway :)
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| 14:10 | <alkisg> I was just thinking that it'd be nicer to have a common syntax, that's all, no strong feelings about it
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| 14:10 | <stgraber> most people were just using nbdport=XXX and will now switch to nbdname=XXX
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| 14:11 | yeah common syntax is good, it's just that comma separated kind of sucks (as nothing else uses that)
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| 14:11 | <host>:<port>/<name> would have been a lot better in my opinion
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| 14:12 | <alkisg> Agreed, if ipv6 uses [] then that sounds better
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| 14:12 | <stgraber> as it'd have been the same as pretty much all the existing formats of URIs in existence :)
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| 14:12 | http uses http://[ipv6]:<port>/<page> nfs uses [ipv6]:port/<share>, ...
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| 14:13 | * alkisg has proposed using dhcp root-path for nbd named exports too | |
| 14:13 | <alkisg> But Wouter said he didn't like it because root-path should be used only for nfs (don't know why)
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| 14:14 | <stgraber> option root-path text;
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| 14:14 | This option specifies the path-name that contains the client's root disk. The path is formatted as a character string consisting of characters
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| 14:14 | from the NVT ASCII character set.
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| 14:14 | it's not NFS specific
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| 14:14 | and it matches our use of nbd quite well ;)
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| 14:14 | <alkisg> :)
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| 14:15 | <stgraber> anyway, we don't really need wouter's approval to do so. We already have our custom udhcp script for that ;)
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| 14:16 | <alkisg> Of course not, on the contrary, since http and nfs use [] then I'll suggest on the bug report that wouter changes the nbd initscript to match ours :)
| |
| 14:17 | What I'd like though is to be able to boot the same chroot with NFS without running ltsp-update-kernels
| |
| 14:18 | Let me find a tiny change for that...
| |
| 14:18 | ltsp-trunk/client/initramfs/conf.d/ltsp
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| 14:18 | BOOT=${BOOT:-ltsp_nbd}
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| 14:19 | So if BOOT=nfs is defined on the command line, conf.d/ltsp won't forcifully override it
| |
| 14:19 | Also my experience with compcache so far says that it makes more bad than good for ltsp, I suggest we disabled it by default
| |
| 14:21 | <stgraber> compcache no longer exists in oneiric anyway, there's something else that's replacing it
| |
| 14:23 | * highvoltage never liked compcache | |
| 14:23 | <stgraber> the new thing comes directly from the upstream kernel, so maybe it works better
| |
| 14:25 | <alkisg> The difference between live CDs to ltsp installations, is that in ltsp we have NBD_SWAP, so it's almost always better to use that 25% that compcache/ramzswap reserve as real ram instead
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| 14:35 | <highvoltage> a long time ago in Windows I used to use a tool that did something similar to compcache, but it grew the compressed space as required so it wasn't so intrusive. I hope the new kernel one does something similar
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| 14:36 | <alkisg> Another idea for swap that worked fine in my test was to export the nbd disks as cow, and create a /swap file on them
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| 14:36 | This way even aufs wasn't needed
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| 14:37 | But nfs won't support that method
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| 16:48 | <roasted> Anybody ever have issues with audacity in LTSP?
| |
| 16:48 | Only my first user logged in who uses audacity first can utilize it. they create a tmp folder automatically and they own it. If another user tries to open audacity it tanks, saying no temp location found.
| |
| 16:49 | If I rm -rf the folder, the 2nd user can then run audacity. The 1st user? Nope.
| |
| 16:49 | Any ideas?
| |
| 16:51 | <alkisg> Which folder? /tmp/audacity-$USER ?
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| 16:52 | <roasted> /tmp/audacity-c
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| 16:52 | even if I chmod -R 777 it, no dice.
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| 16:52 | <alkisg> Is audacity installed as a localapp?
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| 16:52 | <roasted> It's as if it's based on the owner of tmp/audacity-c, which seems to be whoever opens it first.
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| 16:52 | I didn't do much with this install, so I'd have to say no.
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| 16:52 | <alkisg> It should be /tmp/audacity-roasted (i.e. the username there)
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| 16:52 | <roasted> oh
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| 16:53 | hm
| |
| 16:53 | <alkisg> So it's strange that you have -c there
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| 16:53 | distro/version?
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| 16:53 | <roasted> alkisg, I see that now. on my laptop it comes up as audacity-jason
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| 16:53 | alkisg, I'm on 10.04 Edubuntu 64 bit
| |
| 16:53 | <alkisg> And I suppose your $USER env var is set, right?
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| 16:54 | <roasted> um..
| |
| 16:54 | can you elaborate?
| |
| 16:54 | <alkisg> echo $USER
| |
| 16:54 | (from one of the accounts having the problem)
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| 16:54 | <roasted> k, one second, booting them up
| |
| 16:54 | its always the person who tries to open audacity 2nd
| |
| 16:54 | whoever opens it first = no problems
| |
| 16:55 | the ownership of audacity-c seems to be dictated by who opens it first
| |
| 16:55 | <alkisg> If all of them want to access /tmp/audacity-c, then yes it makes sense for only the 1st to succeed
| |
| 16:55 | <roasted> not sure I follow. I DO want all of them to access, yet it's failing.
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| 16:55 | <alkisg> Because normally the first would be /tmp/audacity-roasted, the second /tmp/audacity-alkisg etc
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| 16:55 | So no, you don't want them to access the same dir
| |
| 16:56 | You want audacity to use different dirs
| |
| 16:56 | <roasted> oh, I see
| |
| 16:56 | I wonder if I can just set audacitys preferences to /tmp/audacity-$USER
| |
| 16:56 | <alkisg> First, see why it doesn't work ok
| |
| 16:56 | Then, find workarounds
| |
| 16:56 | :)
| |
| 16:56 | <roasted> now wiat a second
| |
| 16:56 | I just booted up
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| 16:56 | logged in as local administrator
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| 16:57 | and I opened audacity and in tmp I see audacity-administrator
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| 16:57 | maybe it was just hating on me for a few moments??
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| 16:57 | <alkisg> Maybe for those users you forced the tmp dir to the same location
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| 16:57 | <roasted> ah, there it is
| |
| 16:57 | <alkisg> Remove their audacity preferences to revert them to defaults
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| 16:57 | <roasted> audacity-c when I logged in as myself on the thin client
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| 16:58 | Ill have to reset the profile in ske
| |
| 16:58 | skel
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| 16:58 | <alkisg> $ grep ^TempDir .audacity-data/audacity.cfg
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| 16:58 | TempDir=/tmp/audacity-alkisg
| |
| 16:58 | In that file the temp dir is stored
| |
| 16:58 | Delete that file, change that line, something to make it use the default dirs which contain the username
| |
| 16:58 | Did you include that file to your /etc/skel?
| |
| 16:59 | If yes, that's what broke it
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| 16:59 | Don't include paths to your /etc/skel
| |
| 16:59 | <roasted> I think I may have
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| 16:59 | I just did a select all to the home dir
| |
| 16:59 | hidden files included
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| 16:59 | <roasted> if I'm setting my skel, which should I exclude or include then?
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| 17:01 | <alkisg> I don't use /etc/skel, but if I did, I would manually check all the files I put there to make sure they don't contain paths
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| 17:02 | I prefer logon scripts for user dir initialization
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| 17:02 | <roasted> I see
| |
| 17:02 | I prefer using default profiles since that's just what I'm used to with windows.
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| 17:02 | Ill just copy everything to skel I did before, but exclude audacity
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| 17:02 | and see if that fixes this particular issue
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| 17:02 | <alkisg> On windows they don't work too
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| 17:02 | <roasted> I see in the cfg exactly what you were talkin about
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| 17:03 | they work fine on windows xp
| |
| 17:03 | on windows vista and 7, its a joke
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| 17:03 | <alkisg> Nope, you just didn't realize it
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| 17:03 | <roasted> perhaps I didn't, but they seem to operate normally for us
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| 17:03 | <alkisg> Absolute paths, registry keys, same SIDs etc make a mess
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| 17:03 | <roasted> the only thing that I really do with default profiles in xp is so they get the same printers and firefox settings
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| 17:03 | <alkisg> E.g. if sometimes a PC wouldn't see the network shares of another PC, how would you imagine that the default profile was to blame?
| |
| 17:04 | But anyways, do what works for you
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| 17:04 | <roasted> potentially same ID's trying to talk to one another?
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| 17:04 | well, it's what we've always done. I wouldn't say it's optimal by any means. but its done the job.
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| 17:06 | alkisg, you, once again, were dead on
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| 17:06 | I must owe you 6 cases of beer by now bro...
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| 17:09 | <alkisg> Haha I'll avoid your place then, you'll get me fat again - I spend days and days at the gym trying to get thinner :D
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| 17:10 | <roasted> hahah, well there's always light beer! :P
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| 17:10 | but I hear ya, I've been on the same path as you with the gym and self training. It's hard to keep up on.
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| 17:15 | well, alkisg, once again you the man. Thanks for your time and effort. It's appreciated like you cannot believe.
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| 17:15 | Gotta get rolling though. More imaging to do!
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| 18:27 | <jfisher> Hi, I'm having a little trouble with the RCFILE variable in lts.conf. I've created a short little bash script, copied it to /opt/ltsp/i386/etc/init.d/myscript.sh, and I've added the line "RCFILE_01=/etc/init.d/myscript.sh" to the computer I'm targeting it to in lts.conf, but the script doesn't appear to be running. Am I missing something?
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| 18:27 | Oh and I did run a ltsp-update-image command
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| 18:28 | And I know other settings in lts.conf are applying correctly to targeted machines
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| 18:28 | <knipwim> perhaps a stupid question, but is it executable?
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| 18:29 | <jfisher> chmod'd a+x
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| 18:29 | hopefully it is something stupid, those are usually easy to fix :)
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| 18:30 | And I did test run the script manually, it works as intended
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| 18:30 | <jammcq> is it a bash script?
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| 18:30 | <jfisher> it is
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| 18:30 | <jammcq> what's the first line?
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| 18:31 | I start mine with '#!/bin/bash'
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| 18:31 | <jfisher> #!/bin/bash
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| 18:31 | <jammcq> hmm
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| 18:31 | when debugging this kind of thing, i'll usually add a line like: env >/tmp/env.out
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| 18:32 | near the top of the script
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| 18:32 | then on the client, look in /tmp for that file
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| 18:32 | to see if it's even trying to run
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| 18:32 | <jfisher> good idea, i'll give that a shot
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| 18:32 | <jammcq> cuz knowing the script is even trying to run is a good first step
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| 18:35 | <jfisher> yeah it did print a list of env variables
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| 18:35 | <jammcq> well... that's good to know. what is the script trying to do?
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| 18:35 | <jfisher> so it looks like it ran
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| 18:35 | it tries to set the browser homepage, and then run firefox
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| 18:36 | sed -i 's|\("browser.startup.homepage",\) "\(.*\)"|\1 "http://nhl.com"|' $HOME/.mozilla/firefox/*.default/prefs.js
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| 18:36 | firefox &
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| 18:36 | so two lines
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| 18:36 | <jammcq> is '$HOME' set?
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| 18:36 | actually, what would it be set to, if you haven't logged in yet?
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| 18:36 | <jfisher> oh, rc files run prior to login?
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| 18:36 | <jammcq> yeah, they run at boot time
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| 18:36 | <jfisher> (I know just enough linux to be dangerous)
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| 18:37 | I see.
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| 18:37 | <jammcq> are you trying to run firefox as a local app?
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| 18:37 | <jfisher> No, I don't mind it being on the server
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| 18:37 | <jammcq> cuz you probably want to put this on the server, in /etc/X11/Xsession.d
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| 18:37 | so when you log in, it runs that script
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| 18:38 | <jfisher> well I'd like to target the script to specific user groups
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| 18:38 | and modify it to launch different webpages
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| 18:38 | based on the client
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| 18:38 | <jammcq> I wonder if there's a provision for running Xession scripts for individual users
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| 18:38 | hmm
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| 18:38 | <jfisher> I haven't been able to dig up much in my googling
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| 18:50 | <knipwim> is there any way to search through the irc logs?
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| 18:51 | <abeehc> search google with "your query site:http://www.nubae.com/logs/" maybe
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| 18:57 | <knipwim> abeehc: yes!
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| 18:57 | genius
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| 19:08 | <knipwim> and 5.2.9 released for gentoo
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| 20:38 | <vmassuchetto> is there a way to make command line auto login?
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| 20:39 | i mean, no ldm, just a command line prompt
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| 20:39 | <roasted> How can I default XFCE to be the default DE of my clients?
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| 20:48 | <knipwim> roasted: for fluxbox i got LDM_SESSION = /usr/bin/fluxbox in lts.conf
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| 20:50 | <roasted> hm, I wonder if xfce would be the same
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| 20:50 | or should I say, "xubuntu-session"
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| 21:07 | <vmassuchetto> no clue how to auto login in tty?
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| 21:10 | <knipwim> i think the shell screen script takes you to a shell
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| 21:11 | <knipwim> it's located on the client in /usr/share/ltsp/screen.d/ (on gentoo)
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| 21:16 | <alkisg> vmassuchetto: do you want to login locally on the client, or to start a session on the server with xterm on it?
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| 21:23 | <vmassuchetto> alkisg, i just need to startx
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| 21:23 | alkisg, the rest of the things are fine until now
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| 21:23 | alkisg, ive put startx on .bashrc, so i think its cool to just auto login on tty
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| 21:27 | <vmassuchetto> knipwim, how these scripts are called?
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| 21:28 | knipwim, i mean, how can i use them to get in a shell?
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| 21:45 | <alkisg> vmassuchetto: do you know the difference between "running locally" and "running on the server"?
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| 21:45 | Usually, the LTSP clients get connected to the server with ssh, which is managed by LDM, the ltsp display manager
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| 21:46 | So there's no easy way to autologin on the server from a tty on the client
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| 21:46 | You can autologin with LDM though, but that's after X has started
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| 21:46 | <vmassuchetto> alkisg, so maybe using the ldm_autologin
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| 21:46 | alkisg, but i would need this option to be enabled for every client
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| 21:46 | <alkisg> Yes. So, delete that startx command from your bashrc
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| 21:47 | <vmassuchetto> alkisg, done
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| 21:47 | <alkisg> Then put LDM_AUTOLOGIN=True under [Default] in lts.conf, so that it affects all clients,
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| 21:47 | and put LDM_USERNAME/LDM_PASSWORD separately for each one of them
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| 21:47 | If you don't define those, they default to the client hostname (ltsp123 etc)
| |
| 21:48 | It's strongly suggested that you use different user accounts for each client
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| 21:48 | <vmassuchetto> alkisg, is there a way to globally set LDM_USERNAME/PASSWORD?
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| 21:48 | i would like all of them to fall into the same user
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| 21:48 | theyll be sharing an application
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| 21:48 | <alkisg> E.g. you can't start firefox from the same user twice
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| 21:48 | Also, gnome will complain if you start it for the same user twice
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| 21:48 | <vmassuchetto> its not firefox, its a custom pygtk application
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| 21:49 | <alkisg> How many thin clients do you have?
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| 21:49 | <vmassuchetto> by now just a couple
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| 21:49 | <alkisg> In the final setup?
| |
| 21:49 | <vmassuchetto> but well increase for 10 or more
| |
| 21:49 | maybe 15
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| 21:49 | <alkisg> OK, why creating 10 users is so bad?
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| 21:50 | <vmassuchetto> not bad at all
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| 21:50 | <alkisg> Then better follow the "normal" way to do things, you'll save yourself a lot of trouble
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| 21:50 | <vmassuchetto> true
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| 21:50 | <alkisg> You'll need one user for each client
| |
| 21:51 | <vmassuchetto> ok...
| |
| 21:51 | <alkisg> You can "assign" specific users to specific workstations with mac address,
| |
| 21:51 | <vmassuchetto> we expect these clients to have the machines changed quite frequently
| |
| 21:51 | <alkisg> or, if you put specific hostnames for each client from your dhcpd.conf, then you could also do it by hostname
| |
| 21:51 | <vmassuchetto> so i cant use mac addresses, for example
| |
| 21:52 | the dhcp.conf way seems nice
| |
| 21:52 | <alkisg> That relies on mac addresses too
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| 21:52 | (To assign specific hostnames to clients)
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| 21:52 | <vmassuchetto> alkisg, .... ow... true
| |
| 21:52 | well... thats a problem
| |
| 21:52 | <alkisg> Another way would be to create as many users as the subnet you're using
| |
| 21:53 | So e.g. for a /24 subnet, you'd create 255 users
| |
| 21:53 | <vmassuchetto> thats not a problem too
| |
| 21:53 | <alkisg> And then the clients would user whatever user corresponds to the IP they took
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| 21:53 | *use
| |
| 21:53 | <vmassuchetto> humn... sounds like what ill have to do
| |
| 21:53 | <alkisg> If you name your users like this:
| |
| 21:53 | <vmassuchetto> so i just create users like ltspXXX
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| 21:54 | <alkisg> username=ltsp123, pass=ltsp123
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| 21:54 | <vmassuchetto> ok...
| |
| 21:54 | <alkisg> Then you don't even need LDM_USERNAME/LDM_PASSWORD
| |
| 21:54 | You only need to specify LDM_AUTOLOGIN=True once, globally
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| 21:55 | vmassuchetto: what happens with the user /home's?
| |
| 21:55 | Will they be saving their data somewhere?
| |
| 21:55 | <vmassuchetto> no
| |
| 21:55 | <alkisg> So it's something like a kiosk mode, with clean settings each time?
| |
| 21:55 | <vmassuchetto> exactly
| |
| 21:55 | <alkisg> Then forget what I said so far
| |
| 21:55 | Ah wait
| |
| 21:55 | <vmassuchetto> hehehe... ok
| |
| 21:56 | <alkisg> Are your clients good enough to run the app locally?
| |
| 21:56 | CPU/RAM-wise?
| |
| 21:56 | <vmassuchetto> that will depend
| |
| 21:56 | i dont have how to find out wich machine will connect at a time
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| 21:56 | so maybe its nice to think in the worst case
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| 21:57 | but the application is really simple
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| 21:57 | <alkisg> E.g. if you have a light pygtk app, and your worst client has 512 RAM, then I assume that it can run it locally
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| 21:57 | <vmassuchetto> something like that
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| 21:58 | <alkisg> OK then do it like a kiosk mode, it'll also save you a lot of bandwidth, and user management, etc etc
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| 21:58 | <vmassuchetto> nice
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| 21:58 | <alkisg> Read about the kiosk plugin - you need something very similar, except that you'd run your app instead of firefox
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| 21:58 | No users necessary on the server
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| 21:58 | No /home, no persistency
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| 21:58 | <vmassuchetto> ok... im looking for it
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| 21:58 | thanks by now
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| 21:59 | *searching
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