IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 16 November 2015   (all times are UTC)

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15:01
<teknkik_>
has anybody got any experience with running LTSP over an VPN
15:01
w/ separate computer for VPN connectivity; obviously it can technically work
15:01
<alkisg>
Are you having any specific issues?
15:01
<teknkik_>
nope
15:01
pondering about our setup in the future
15:03
anyway, the vpn would be over 100 megabit fiber optic connection and both ends in the same operators network
15:04
<alkisg>
I'm not sure if DHCP can work over VPN, but other than that, you shouldn't have any issues...
15:04
gigabit is recommented for ltsp though
15:04
You could use fat clients with some local caching to speed it up
15:05
Or a proxy nbd server, to intercept the bulk of the traffic
15:05
(xnbd-server could do that part easily)
15:07
<teknkik_>
well we use fat clients anyway; ltsp mostly provides an easy way of generating the disk images and hosting them
15:08teknkik_ is now known as teknkik
15:08
<alkisg>
Are you using the default sshfs for home?
15:08
<teknkik>
yep
15:09
sorry no, we use NFS directly from our file server
15:09
sshfs only for guest users
15:09
<alkisg>
Which is over the vpn?
15:09
(the file server)
15:09
<teknkik>
not yet
15:09
but in the future probably
15:09
<alkisg>
And are you caching the squashfs image somewhere, or you only have that in the ltsp server?
15:09
(the one served via nbd)
15:10
<teknkik>
on the server
15:11
we could actually just switch the guest users over to tempfs... it's not like the files are needed
15:11
would need to make an script to copy skel over to the new session every time a guest logs in
15:11
<alkisg>
The file server will be in one location, right? So some of the users will be local, and the others remote?
15:13
<teknkik>
yep, and the file server would be over the VPN after migrating
15:14
<alkisg>
Instead of caching the nbd image, you could also mirror it in a second server
15:16
That server would have (proxy)dhcp, tftp and nbd services only
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15:19
<teknkik>
actually hm
15:20
we could just run the LTSP server locally although the home folders are on the external server
15:20
<alkisg>
Sure
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16:46
<Phantomas>
vagrantc: work_alkisg told me that you found a bug when trying to broadcast with epoptes. Can you confirm that it's because a .config/epoptes directory wasn't created on the first run and that it worked the second time you tried after closing epoptes?
16:52
<vagrantc>
Phantomas: i can try booting again...
16:52
Phantomas: or i could manually remove .config/epoptes and try again
16:53
Phantomas: i don't know if it matters ... i was also logging in from the console and running "startx" rather than using a display manager
16:53
<Phantomas>
vagrantc: Sure, please run it from a terminal so we can see a traceback if something crashes.
16:54
I don't think that it matters.
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16:56
<vagrantc>
Phantomas: it doesn't create ~/.config/epoptes at all
16:57
Phantomas: maybe some XDG_* variable isn't set, due to running without a display manager?
16:59
hrm. and now it created it on the third try...
17:09
!epoptes
17:09
<ltsp`>
epoptes: Epoptes is a computer lab administration and monitoring tool. It works on Ubuntu and Debian based labs with LTSP or non-LTSP servers, thin and fat clients, standalone workstations, NX clients etc. More info: http://www.epoptes.org
17:09* vagrantc forgets how to install the client certificates with ltsp
17:10
<vagrantc>
i guess i'll just do ltsp-pnp style instead.
17:23
Phantomas: ok, it appears to work once .config/epoptes gets created
17:24
although it didn't create .config/epoptes until the third launch
17:24
unless i'm confused
17:25
<Phantomas>
back
17:25
vagrantc: It's a bug (epoptes bug). It creates the .config/epoptes dir whenever the config module wants to write a config file
17:25
and that, currently, happens when epoptes closes (clean close)
17:26
<vagrantc>
after stopping epoptes, manually removing .config/epoptes, starting epoptes, broadcasts fail. stopping and then starting epoptes again makes it work
17:26
Phantomas: yup, you've got it.
17:26
i don't know if i was just confused about the third time issue
17:26
<Phantomas>
yep. Thanks for the confirmation testing! Will fix it ASAP
17:27
<vagrantc>
epoptes is stuck in jessie-backports NEW queue ... hopefully it'll get approved soon
17:27
<Phantomas>
probably. Or you control-c'd it maybe?
17:27
<vagrantc>
ah, that could be
17:29
<Phantomas>
I'm not really familiar with the debian release processes (I feel a bit guilty :P). So didn't get much from what you said except that we'll get approved soon :D
17:30
<vagrantc>
Phantomas: ah, current stable release is jessie, but i've uploaded the newer epoptes to jessie-backports, but it's still waiting on being approved to get into the archive
17:31
normally new upstream versions don't go into a debian stable release
17:32
<Phantomas>
Oh, that's great, hope we get approved, we had quite a few fixes in 0.5.8
17:32
btw we are on 0.5 since 2012.... It's really time to move to 0.6
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17:34
<Phantomas>
I think that 0.5 became a habit :p
17:39
<vagrantc>
sure
17:39
in general, i'd increment at least once a year
17:52
<Phantomas>
We do have time to do another epoptes release in testing before it becomes stable, right?
17:52
<vagrantc>
plenty of time
17:55
Phantomas: roughly a year :)
17:55
<Phantomas>
cool!
17:57
<vagrantc>
or, at least till June
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19:53
<m3741>
hey everyone, i'm running a headless ubuntu 14.04 x64 server to host ltsp, if that matters. why when i run ltsp-update-kernels does it set the permissions to not be world readable? my tftp server can't read vmlinuz etc then of course
19:53
running ltsp 5.5.1 from the ubuntu repos.
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22:31
<sbalneav>
vagrantc: lightdm-webkit-greeter 1.0 released
22:31
<vagrantc>
wheee
22:31
<maldridge>
wow, so it is in fact back from the dead
22:32
<sbalneav>
Yup.
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22:33* vagrantc eyes up sbalneav the necromancer
22:36
<sbalneav>
heh
22:39
<maldridge>
sbalneav: pushed to ubuntu?
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22:46
<sbalneav>
maldridge: I doubt it.
22:46
Someone will have to package it.
22:47
<maldridge>
I may be confusing things here, this is the thing that handles logins correct? I thought that was packaged
22:48
<sbalneav>
There are two phases to software being available in a particular distro.
22:48
1) is actually the "upstream" writing the software, fixing bugs, etc.
22:48
<maldridge>
yes, but my understanding was the whole point of launchpad is that it does automatic package building
22:49
<sbalneav>
No.
22:49
<maldridge>
ah, that clears up my confusion
22:49
<sbalneav>
They may automatically check it when it comes time to make another release.
22:50
But it won't get updated between releases.
22:50
In the meantime, you can just download the tarball, compile and install that way.
22:50* maldridge is on another distro and shall package it there
22:51
<maldridge>
sbalneav: for a feature request, is there a place to route that to?
22:51
<sbalneav>
https://bugs.launchpad.net/lightdm-webkit-greeter
22:51
<maldridge>
thnx
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