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


Channel log from 12 April 2013   (all times are UTC)

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04:14
<muppis>
||cw, you're right, depency is there. So somehow oddly linux-headers never got installed no matter which nvidia (-current or -experimental) package I've installed. Bugs me.
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09:53
<vnc786>
if someone could help me with this http://ask.libreoffice.org/en/question/15377/printer-setting-changes-to-genric-printer/ already tried libre channel still looking for solution..or can point me somewhere where i can get help ...
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11:18* gvy looks at https://bugs.launchpad.net/ubuntu/+source/linux-nexus7/+bug/1075549 and ogra while foolin' around with a nexus7 :)
11:49
<ogra_>
gvy, what about it ?
11:49
the installer should have instaled it
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12:12
<gvy>
ogra_, I'm messing with altlinux on nexus7, obviously :) thx for the discussion there, quite helpful
12:12
<ogra_>
ah, k
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17:39
<elias_a>
What processor architectures are supported by LTSP in present?
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18:11
<||cw>
elias_a: depends on the distro. ltsp is mostly just a set of shell scripts and pxe and config recipes
18:13
<elias_a>
||cw: I am asking because in Finland the matriculation exam is about to get computerized.
18:14
I am trying to figure out which devices would be left out due to technical incompatibility if it would be done with LTSP.
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18:46
<||cw>
elias_a: are you talking about thin client devices? ltsp is not relevant for them, and they can work side-by-side with ltsp
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18:52
<elias_a>
||cw: Are you saying it does not matter what processor architecture the clients have?
18:52
That would be something quite astounding...
18:53
<||cw>
yes. as long as they PXE boot and the distro you choose has packages for them.
18:53
<elias_a>
This gets interesting....
18:53
<||cw>
also, you can use thin clients that support X11 against an ltsp server without actually using ltsp on the client
18:55
for an ARM example without pxe, look up BerryTerminal
18:55
<elias_a>
So it would be possible to support a large variety of architectures would be possible. This would be needed because the plan is the students could also use their own computers.
18:57
<||cw>
for pxe arm, there's some hints here http://www.solid-run.com/phpbb/viewtopic.php?f=7&t=906
18:58
students own computers are almost guaranteed to be x86
18:58
now, getting them to pxe boot might take some effort
19:00
unless you have a labor surplus to support setting up all these oddball systems, it's cheaper in the long run to just have dedicated old computers as terminals. even a P2 400 works acceptably for most tasks.
19:04
<elias_a>
||cw: No it does not.
19:05
||cw: We are talking about also including graphical material to the tasks.
19:06
<vagrantc>
though you can generally run arm-based thin clients with LTSP... if the kernel support is there, or you grab a kernel from elsewhere that supports initramfs
19:06
<elias_a>
||cw: And also math equations are going to be done with the terminals.
19:07
<vagrantc>
you also don't *need* PXE in order to boot LTSP ...
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19:07
<elias_a>
||cw: Old PCs as terminals have another big problem: electricity consumption.
19:09
In Finland the tests are usually done in the gym hall. The desks and chairs are taken there because the amount of students taking the tests would not fit into any classroom.
19:10
Now, Imagine 200 old PCs in one gym hall :P
19:11
We have 230 VAC electricity. In spite of that the regular 16A fuses would only be sufficient enough to a part of them...
19:15
The electricity issues are of course a big problem in a temporary setup like this.
19:17
If the schools are going to buy something, my guess they are going to buy used laptops as they are easier to store and can be used in other use cases, too.
19:24
<vagrantc>
used laptops work pretty good as thin clients, and generally have lower power requirements
19:24
although the power consumption of even an old desktop pc will be *less* than running it as a thin client
19:24
vs. a disked machine
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20:05
<elias_a>
vagrant is right. The problem with the 200 - 600W switching power sources is that the current is quite big when you switch them on.
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20:31
<yalu>
hi. anyone tried running video players (xine, mplayer) with localapps yet?
20:33
<elias_a>
yalu: I have tested it. Works.
20:34
<yalu>
cool, which player? I just tried xine, it sort of stopped after 5 seconds and also stopped reacting to mouse clicks
20:35
<elias_a>
yalu: I think I tried VLC.
20:36
It was about 2 years ago.
20:49
<yalu>
so, it didn't work but the culprit was audio. pulseaudio is unreliable in my setup... I have yet to troubleshoot it.
20:50
<elias_a>
yalu: That's odd... pulseaudio has been quite reliable for a couple of years.
20:53
<yalu>
well it mostly just doesn't seem to accept data. I posted to the pulseaudio-users list a couple days back to get some help troubleshooting the daemon - I can't even get it to not "daemonize". it just exits if I start pulseaudio from a terminal.
20:53
oddly, it always works if I use a virtualbox machine as thin client (my server is also a virtualbox box, with no virtualm audio hardware)
21:00
but xine and mplayer are so wonderful. playing a 1280x544 h264 film on a mobile 1.8 GHz pentium 4 without skipping
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