IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 5 July 2010 (all times are UTC)
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| 01:51 | <dobber> my co-workers left the entire office without sound for the weekend :(
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| 01:51 | clever guys
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| 01:55 | <dobber> ltsp-update-image does not update the kernel from /opt/ltsp/i386/boot/ to /var/lib/tftpd/ltsp/i386/
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| 02:56 | <frederickjh> Anyone here had any success running minitube as a localapp?
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| 02:57 | <dobber> what is minitube ?
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| 02:57 | Youtube client
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| 02:57 | i can give it a go in a few minutes
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| 02:58 | <frederickjh> http://flavio.tordini.org/minitube
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| 02:58 | It is for watching youtube videos
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| 02:58 | without flash.
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| 02:58 | Before nat was setup correctly it would say it could not reach a server.
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| 02:59 | Now it load as a local app. The pictures of the videos for your search load in the left hand panel but the video does not play.
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| 03:00 | The Opera web browser works fine with the same nat setup as a local app.
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| 03:00 | I setup the nat with the UbuntuLTSPThinClientHowtoNAT.
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| 03:04 | <frederickjh> Thanks dobber for the offer. Let me know how it goes.
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| 03:04 | <dobber> in a minute
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| 03:04 | <frederickjh> ok
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| 03:08 | <dobber> well i can start it
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| 03:08 | but it does not play
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| 03:09 | <frederickjh> Yes, same here.
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| 03:09 | but on the server it works fine.
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| 03:10 | I am wondering if it is not using the same ports in and out and then the nating does not work to let the data back in.
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| 03:11 | <dobber> no it does not play even if i start it from server
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| 03:12 | <frederickjh> It works here on the server but with HD enabled the playing some times stops. Pause and play fixes that.
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| 03:40 | <frederickjh> Well, thanks for trying dobber. I need to figure out which ports it is using.
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| 03:41 | <dobber> well i haven't debug at all
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| 03:43 | <frederickjh> I see there is a more recent version. I may try and install that.
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| 03:52 | <rickogden> hi all, does anyone know what the package ltsp-server-standalone contains that ltsp-server doesn't in Ubuntu?
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| 03:52 | <ogra> additional dependencies
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| 03:53 | use apt-cache show <package> to compare them
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| 03:54 | <rickogden> thanks ogra :)
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| 04:04 | <frederickjh> dobber looks like it may be a dependency problem. I found it in the comment on the minitube site. I am trying to install them to the image.
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| 04:14 | <frederickjh> Well, installing the gstreamer plugins and removing phonon got it to work as a localapp on the client but everything is blue!
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| 08:32 | <komunista> please, can somebody tell me what is difference in network usage (bandwith) between NFS and NBD for root dir (if any)?
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| 08:53 | <johnny> komunista, nbd is better
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| 08:53 | otherwise we wouldn't go through the hassle of rebuildig images
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| 08:53 | and just go b ack to using nfs
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| 08:54 | <komunista> IMHO rebuilding is no problem after configuration is done
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| 08:54 | thanks
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| 08:57 | <johnny> sure.. it's no problem, but still it's annoying during developing or upgrades :)
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| 08:58 | <komunista> yes, during developing it must be horrible :-)
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| 09:01 | <johnny> there is a way to tell it to use nfs , not sure if it still works tho
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| 09:01 | i haven't tried it in 3 releases
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| 09:02 | <komunista> 7 days agou aj switch from ubuntu to debian server, then default root is changed
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| 09:02 | and I have not testers (students) now :-)
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| 09:26 | <vbundi> hey I'm running ltsp-localapps firefox, when a user finds a PDF document they want to download/open, firefox doesn't have evince associated with it (I realize it's because it's not in the chroot where firefox is running) what's the best way to get around this... install evince in the chroot?
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| 10:08 | <komunista> yes
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| 10:59 | <Yobi> I am now trying to set up my LTSP server as a gateway for non-ltsp computers on the network, using dansguardian, and either squid or tinyproxy. Will this effect my LTSP clients, or can i use both these server roles on the same box?
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| 11:00 | <vagrantc> thin clients are effectively logged into the server, from an http proxy's point of view
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| 11:01 | there's no technical reason why you couldn't run LTSP and any of those proxies
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| 11:14 | <komunista> imho environment variable http_proxy=127.0.0.1 is needed only
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| 11:54 | <zeitsofa> hello :) what can i do to use 2 monitor on a thinclient?
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| 12:47 | <Yobi> thanks for the help vagrantc. i have my thin clients all running fine after the install. i'm just trying to figure out how to point all non-ltsp clients through the proxy now
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| 12:47 | <vagrantc> to force it, you'd have to use a firewall...
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| 12:48 | <Yobi> i'm seeing that now :(. i was hoping i could just point the dns settings at the proxy box or something to that nature
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| 12:49 | <vagrantc> you might be able to set something in dhcp and something called "wpad" that i'm not very familiar with
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| 12:51 | <Yobi> is there anyway that you now of to point a router to pass through a proxy. I have every other aspect of my network complete, but i'd like to let users connect wirelessly, if there is an effect way of filturing them
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| 12:55 | i'm considering just putting the wireless networks on a different subnet and running them through an untangle box or something, but i would rather use 1 server if you guys know of anything i can do...
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| 12:57 | <vagrantc> search the interwebs for "transparent proxy" firewalling rules
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| 12:58 | <Yobi> cool. i'll give it a go. i been at this for 7 hour, so ima break for lunch first :-P. Thanks again for the help
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| 15:47 | <RicardoPerez> Hi! I would like to change the hostnames of the LTSP clients (I'm using Ubuntu 10.04 LTSP) to something different than the current "ltsp21" or so. Where may I look at? Thanks in advance!
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| 16:34 | <johnny> RicardoPerez, you have to setup a dns server
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| 16:34 | and assign all yoru clients names there
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| 16:35 | <RicardoPerez> johnny: thanks very much, I suppossed so, but... could it be a simpler way editing any configuration file or script?
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| 16:38 | <johnny> nope
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| 16:38 | tha'ts how you do it
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| 16:39 | otherwise the change will get overwrittein every time you upgrade
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| 16:39 | <RicardoPerez> johnny: that sounds reasonable
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| 16:39 | <johnny> the best you could do would be to change to somethingelse21 ianyways
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| 16:39 | or you could rewrite the script
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| 16:39 | <vagrantc> what?
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| 16:39 | <johnny> if you wanna do that.. read the ltsp src
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| 16:39 | <vagrantc> you can change it in lts.conf
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| 16:39 | <johnny> !!!
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| 16:39 | <ltspbot> johnny: Error: "!!" is not a valid command.
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| 16:40 | <johnny> hah.. force the hostname in lts.conf
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| 16:40 | <RicardoPerez> so setting up a dns server in the ltsp server should be the best option, right?
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| 16:40 | <johnny> what's the variable for that?
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| 16:40 | <vagrantc> i forget all the options, but you can tweak the hostname from lts.conf
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| 16:40 | <RicardoPerez> vagrantc: is there a variable for that in the lts.conf?
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| 16:40 | <johnny> i don't remember that one.. but maybe i'm just tired
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| 16:40 | man lts.conf
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| 16:40 | <vagrantc> fairly recent
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| 16:40 | <johnny> i know there's a username one, and a password one
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| 16:40 | but i don't remember a host one
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| 16:41 | <vagrantc> not in lts.conf
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| 16:41 | <RicardoPerez> i think it can't be done in lts.conf :(
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| 16:41 | <johnny> ok
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| 16:41 | <RicardoPerez> because i can't find any variable related with the hostname
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| 16:41 | unfortunately...
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| 16:41 | <vagrantc> HOSTNAME
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| 16:41 | or HOSTNAME_BASE
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| 16:41 | or HOSTNAME_EXTRA
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| 16:42 | <RicardoPerez> mmmmm
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| 16:42 | I just do man 5 lts.conf
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| 16:42 | and there's no HOSTNAME on it....
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| 16:42 | /HOSTNAME returns no results...
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| 16:42 | <vagrantc> that's what i meant when i said "not in lts.conf" :P
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| 16:42 | <RicardoPerez> oh, sorry :)
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| 16:42 | you're right, vagrantc :)
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| 16:43 | so.... where, then?
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| 16:43 | <vagrantc> been there since december of 2008, apparently :)
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| 16:45 | HOSTNAME will set the hostname, HOSTNAME_BASE defaults to ltsp, and HOSTNAME_EXTRA=mac or HOSTNAME_EXTRA=ip will determine weather the extra stuff is based on ip address or mac address.
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| 16:45 | <RicardoPerez> vagrantc: that sounds great! are they in lts.conf?
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| 16:45 | <vagrantc> so setting HOSTNAME_BASE=foobar and HOSTNAME_EXTRA=ip will get you hostnames foobarX where X is some number based on the ip address.
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| 16:45 | RicardoPerez: that's where you would set them
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| 16:46 | <RicardoPerez> great! i'll try it right now! thank you very much!
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| 16:46 | and sorry for such a newbie question :)
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| 16:46 | <vagrantc> it's a well hidden option, so it's no surprise.
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| 16:47 | sorry it's not documented better.
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| 16:48 | <RicardoPerez> may I need to do "ltsp-update-image" after editing lts.conf?
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| 16:48 | <vagrantc> not if you do it in /var/lib/tftpboot
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| 16:49 | <RicardoPerez> great, i did so
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| 16:50 | <johnny> i didn't even know about it .. and i've been hear for years :)
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| 16:50 | somebody needs to update the man page
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| 16:51 | <RicardoPerez> aside from that, if I set up a dns server in my ltsp server, then my clients should see their new hostnames when issuing "hostname" command in a terminal, right?
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| 16:52 | (btw, the HOSTNAME_BASE & HOSTNAME_EXTRA solution works perfect! i just tried it) ;)
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| 16:52 | <johnny> i have a feeling that solution is distro specific..
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| 16:54 | <vagrantc> it uses /proc/sys/kernel/hostname
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| 16:54 | ah, but it's called from initramfs-tools hooks
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| 16:55 | <johnny> that's even more of a reason
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| 16:55 | why i don't know about it :)
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| 16:55 | warren and i did our hostname hack in the init scripts
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| 17:02 | <vagrantc> pushed documentation of HOSTNAME* in ltsp-docs.
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| 17:02 | <RicardoPerez> vagrantc: great, thanks very much!
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| 17:04 | * vagrantc might tag ltsp-trunk later today. | |
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| 17:09 | <vagrantc> stgraber: might consider tagging ltsp-trunk later today... don't know if you have anything pending...
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| 17:26 | <RicardoPerez> ummmm... why /etc/hosts in LTSP client containts a line that says "server-ip server"? why is always "server"? my LTSP server isn't called "server"...
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| 17:29 | <vagrantc> hard-coded default.
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| 17:29 | it ensures a known name for environments without DNS.
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| 17:30 | <RicardoPerez> can I change the "server" name to be the real server name?
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| 17:31 | <vagrantc> not without a bit of hackery.
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| 17:32 | do you *need* it configured?
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| 17:32 | <RicardoPerez> oh, i see... so the best is to have a dns server, i think....
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| 17:32 | no, actually there's no need to do so...
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| 17:32 | actually, that's only for curious :)
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| 17:39 | <faranda> hi
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| 17:41 | how to export a different display variable in LDM ?
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| 17:48 | Sorry by my bad english. I need compress and catching the x traffic. Mi idea is a passing trough nxproxy or xdpc.
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| 17:52 | I did test the nxproxy and work well, in a simple environment. Now, i try to incorporate this in LTSP
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| 17:55 | afaik, I can put some script to start the proxies at both ends in /opt/ltsp/i386/usr/share/ldm/rc.d
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| 17:58 | I think my problem is with the server nxproxy...
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| 17:59 | someone has done something similar?
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| 18:01 | I need this to integrate thin clients on a network vpn low bandwidth, without losing ltspfs functionality.
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| 18:17 | <vagrantc> faranda: sounds interesting
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| 18:21 | <vagrantc> faranda: you could set it in the CLIENT_ENV variable.
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| 18:22 | faranda: in a hook in /opt/ltsp/i386/usr/share/ldm/rc.d
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| 18:22 | faranda: i.e. CLIENT_ENV="$CLIENT_ENV DISPLAY=foo"
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| 18:24 | <faranda> for the test, I put this in /opt/ltsp/i386/usr/share/ldm/rc.d/S11-test
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| 18:24 | ssh -X -S ${LDM_SOCKET} ${LDM_SERVER} 'echo $DISPLAY > /tmp/test_display_server'
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| 18:24 | echo $DISPLAY > /tmp/test_display_thinclient
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| 18:27 | <faranda> what contain the $CLIENT_ENV variable ?
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| 18:27 | <vagrantc> variables that are passed to the logged in session
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| 18:30 | <faranda> this variable is defined in lts.conf ?
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| 18:30 | <vagrantc> no
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| 18:31 | it's a variable that hooks in /opt/ltsp/i386/usr/share/ldm/rc.d/ can use
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| 18:32 | faranda: read /opt/ltsp/i386/usr/share/ldm/rc.d/X95-run-x-session
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| 18:33 | <faranda> i dont have this script
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| 18:34 | <vagrantc> it may be a different number. look at the scripts in /opt/ltsp/i386/usr/share/ldm/rc.d
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| 18:35 | <faranda> S05-set-ltspfs_token S10-delayed-mounter
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| 18:35 | <vagrantc> that's it?
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| 18:35 | <faranda> i have ltsp-server 5.0.40 in Ubuntu 8.04 LTS
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| 18:36 | <vagrantc> ah, 8.04 is getting pretty old
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| 18:36 | <faranda> ls /opt/ltsp/i386/usr/share/ldm/rc.d/
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| 18:36 | yes, we need upgrade...
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| 18:37 | not this time...
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| 18:40 | could you send me this script ?
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| 18:41 | <vagrantc> it won't do you any good if you don't have the whole infrastructure
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| 18:42 | it's just in the ltsp* and ldm* packages.
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| 18:42 | in newer versions
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| 18:42 | <faranda> ok, i understand
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| 18:43 | i will install a new vm for the test
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| 18:44 | but I think they should be able to do anyway
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| 18:45 | <vagrantc> hard to remember how long ago we started doing it that way...
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| 18:45 | that ltspfs files were there but none of the other files...
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| 18:45 | sounds like something was wron
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| 18:45 | wrong
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| 18:47 | <faranda> ok, I will prepare the environment
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| 18:47 | Thanks for your help
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| 18:47 | <vagrantc> good luck
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| 18:59 | <highvoltage> hey vagrantc
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| 18:59 | will you be at BTS this year?
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| 19:22 | <vagrantc> highvoltage: probably not. i'll be at the debian conference, though
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| 23:19 | <vagrantc> will be tagging ltsp 5.2.3 shortly...
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