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


Channel log from 27 January 2011   (all times are UTC)

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02:05
<gnunux>
hi
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05:56
<Edencampus>
LTSP - Edubuntu 10.10 with Via C3 clients - clients unable to boot due to cx8 and cmov kernel requirements - any suggestions?
05:58
<elias_a>
Edencampus: Yes - 10.04.
05:59
IMHO there's no way getting around that prob if you use 10.10.
05:59
<Edencampus>
Bummer. I hoped I could rebuild the client kernel :(
06:00
Oh well, time for a big download. Thanks for confirming my suspicions.
06:07
Thanks for the input. Downloading 10.04 now. Pity about the new features in Edubuntu 10.10 - now unusable in many thin client labs.
06:09
<elias_a>
Edencampus: It is a shame. However the reason is clear - for some reason support for Via C3, K6 and old i386 processors has simply been dropped.
06:09
On the other hand - it is nice that it was not done in the LTS version.
06:14
<Edencampus>
True. At least we still have a couple of years of lts support.
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09:23
<robehend1>
anyone had any kind of success with running virtualbox as a localapp? I have a few windows-only programs that I'm wanting to support, and rdesktop sadly wont work in this situation
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09:56
<highvoltage>
robehend1: yep, I ran it as a local app and it worked just fine
09:56
<robehend1>
what kind of client specs, can i ask?
09:57
<highvoltage>
I can't remember the exact specs, it was some via machine with 1GB of RAM
10:01
<robehend1>
hmm, alright
10:02
so, would it be possible to then, say, install it in the chroot, and set Screen_08 = virtualbox , so that my users could just hit ctrl alt f8 and have a windows login prompt? I understand I'd have to write the script for that to work, of course
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10:05
<highvoltage>
yeah virtualbox needs an x session, of course, that doesn't sound ideal but I guess it can be done
10:05
<robehend1>
is there a better recommendation? I'm trying to avoid them having to launch virtualbox, then launch the guest
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10:13
<highvoltage>
you could probably just have a session that launches the guest full screen, and when you close the guest it exits. that way you could just choose on ldm what you want
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10:54
<crazed>
hm would it be possible to launch an ltsp image that is running a newer version of ubuntu than the server?
10:54
for example, i could launch 11.04 on my thin clients while the server is running 10.04
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11:00
<robehend1>
crazed: hmm, not sure on that one. i'd think it would be, since the chroot is seperate than the server in many ways. maybe with fat clients?
11:01
<crazed>
eh not really looking for fat clients though
11:01
mostly looking for the new ldm version
11:01
<robehend1>
woudl it be possible to backport it from 11.04?
11:02
<crazed>
hm possibly
11:02
<robehend1>
i think, otherwise, you may run into dependencie hell
11:12
highvoltage: that'd work. do you think i'd be able to have 1 xp guest that all the users could use? I'm thinking for easy administration side.
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11:58
<highvoltage>
robehend1: virtualbox can't do that
11:59
crazed: it's possible to connect to a newer application server than what your chroot is, yes. I think there's a limit to how for you can go back but I think 10.04 to 11.04 should be fine
12:01
<crazed>
wait i'm confused, my application server would be running 10.04, but my thin client images would do 11.04
12:01
is that doable/
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12:09
<highvoltage>
crazed: I haven't used that configuration before, and I believe LTSP clients don't work currently on 11.04, so it's likely that it won't work at this time
12:09
<Nubae>
hmm sure they do, what do u mean they dont work?
12:09
<crazed>
bah alright
12:10
<Nubae>
oh wait 11.04, sorry misread, could be
12:10
<highvoltage>
Nubae: they don't stop somewhere during the boot process and hang, I don't have all the details with me, stgraber said he's planning to look at it over the next week
12:10
s/don't//g
12:11
<Nubae>
oh wow, so so much changed in natty?
12:11
<highvoltage>
crazed: why would you want to do that anyway? do you need some hardware support?
12:11
<Nubae>
highvoltage btw, I've been hired as lead dev for sugar server development in py/uy
12:11
<crazed>
highvoltage: just for the new ldm version really
12:11
<Nubae>
I'd love to know what's needed to get sugar working properly for ubuntu
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12:12
<highvoltage>
Nubae: you should update us some time on what's going on in sugar, I've gotten quite out of touch with it
12:12
<Nubae>
though we are concentraing on rhel6 for now
12:12
<crazed>
the one in 10.04 spreads the screen across both monitors while the one in 11.04 will have your login in one monitor
12:12
<Nubae>
s/conentraing/concentrating
12:12
<crazed>
there was also some cool stuff about being able to login to an RDP session from ldm? i believe?
12:13
<Nubae>
crazed thats been around for a while
12:13
<highvoltage>
crazed: indeed, there might be a backport to lucid for that somewhere in a ppa...
12:13
<crazed>
Nubae: it has? what is it known as, I kind of want to configure this
12:13
would allow us to use one system for all employees
12:14
<Nubae>
highvoltage sure thing, let me know when the next edubuntu meet is
12:14
<highvoltage>
Nubae: next wednesday, 20:00 UTC
12:14
<Nubae>
crazed there was a lot of stuff done for persistent connections using rdp
12:14
meaning, if u get dropped physically by the network, u can reconnect and keep going
12:14
should be some howtos in the Ubuntu/ltsp wiki
12:14
<crazed>
interesting
12:15
not quite sure what that entails
12:15
<Nubae>
well, its one of the bennefits of using rdp
12:15
it should just be a ldm.conf value
12:16
X_SERVER=rdp or some such... check the docs
12:16
highvoltage cool, I'll try be there
12:28
<robehend1>
highvoltage: ah, thought so. Darn. Was an idea, at least. now to think of another one to make this work
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14:01* vagrantc waves to alkisg_debian
14:02* alkisg_debian waves back from his debian/lxde system ;)
14:02* vagrantc compliments alkisg_debian on an excellent taste
14:03
<alkisg_debian>
Unfortunately my laptop's nvidia card not longer works with the hair dryer... so I have to use the oven tomorrow :D
14:04
Baking the card at 200 °C for 20 min should do it, google says :)
14:05
<vagrantc>
pfft
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14:10
<robehend1>
oh gosh, dont do that
14:11
cards have heavy metals. heavy metals that can seep into your oven, causing toxicity
14:12
<alkisg_debian>
I'll use an old oven that I had when I was in the university 20 years ago :)
14:25
<vagrantc>
this doesn't seem like a sustainable maintenance effort
14:28
<robehend1>
actually, it works nicely. if you get it hot enough, can soften the solder and allow the connections to reseat
14:28
or light on fire. one of the two
14:30
<alkisg_debian>
I even saw a company while searching for new cards on ebay - they're "selling" their baking for 90 $
14:30
<robehend1>
oh gosh
14:30
at least your video card isnt completely onboard in the laptop, so you dont have to bake the entire motherboard
14:31
<alkisg_debian>
The bad news is that I can't find a suitable card for < 150$. The good news is that my laptop boots without the card, so I can use it as a headless ltsp server ;)
14:32
<robehend1>
nice
14:33
i should look into picking up a laptop, since my old latitude has seen better days
14:42
say, is there a way to build a fat client based off of the edubuntu desktop? I like not having to install all the extra programs manually
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14:43
<alkisg_debian>
You mean like --fat-client-desktop=edubuntu-desktop?
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14:48
<robehend1>
i wondered if that was possible. :D
14:49
and, if i'm reading --extra-help correctly, if i happened to throw an edubuntu dvd into the cdrom before doing that, it'd pull the packages from there instead of the internet?
14:50
<alkisg_debian>
Nope, it would need the packages in .deb format, not a live cd
14:50
<robehend1>
ah. so still just use the package cache
14:50
<alkisg_debian>
The alternate cd does have the packages in .deb, but not the edubuntu packages
14:51
<robehend1>
no problem. just noticing that building a fat-client takes longer, as it should, of course
14:51
any difference between --fat-client and --fat-client-desktop ?
14:51* alkisg_debian would like to make this scenario true in a later ltsp version: insead of ltsp-build-client, to open vbox, install edubuntu normally, and just install "ltsp-client" on top of it ==> fat client ready
14:51
<alkisg_debian>
--fat-client uses the DE of the server
14:52
<robehend1>
ah, and you get to specify in --fat-client-desktop.
14:52
<alkisg_debian>
Right
14:52
<robehend1>
hmm
14:52
looks like its gonna be a fun weekend of redoing this ltsp server
14:54
alkisg_debian: mind if i pick your brain on something, ltsp related/
14:54
<alkisg_debian>
shoot
14:55
<robehend1>
well, our state-mandated testing software will only run on windows. so i was thinking of setting up vbox to run windows on the fat clients. getting vbox up and running is no problem. I'm just wondering if you know of a decent way to deploy the xp disk to users, so that they could use it.
14:55
I'm trying to avoid using microsoft terminal services due to licensing costs.
14:56
<alkisg_debian>
Are you (license-wise) able to use the same XP installation for all users?
14:56
(a clone of it, of course)
14:56
<robehend1>
i've got the licenses available.
14:56
<alkisg_debian>
supposedly you need corporate for this
14:57
<robehend1>
we're on the k-12 volume license agreement, with an alotted amount. no where near hitting it yet
14:57
<alkisg_debian>
But anyway... well, you install vbox on the chroot and just have a script that creates a snapshot of a premade VM on boot
14:57
You could manually make those, but it's easier to have a script
14:57
<robehend1>
agreed
14:58
and i thought of something like that. my only concern would be admistration of the snapshot, because if I'm not mistaken, each user would have their own, correct?
14:58
<alkisg_debian>
+ add shared folders for desktop, documents etc, +autologon with the same user account for everyone (as it runs on their account, no need to have many)
14:58
The snapshot could be deleted when vbox is powered off
14:58
<robehend1>
hmm
14:58
<alkisg_debian>
It's just so that they can all use a single "master disk"
14:59
==> save hard disk space + administration time
14:59
<robehend1>
thats where I was getting stuck, since vbox locks the disk while in use, if i'm not mistaken
14:59
<alkisg_debian>
No, it doesn't, I've done it with vbox 4 yesterday
14:59
Booted 2 different XP installations from a single master disk
14:59
<robehend1>
by pointing them both to the same .vmdk file?
14:59
<alkisg_debian>
+1 different snapshot for each of those
15:00
No, the .xml file was pointing to the same .vdi file as the primary disk, and it also had a snapshot on top of it
15:00
<robehend1>
ah, ok. that makes better sense then
15:02
guess i'm giong to have to take a look at this closer. would be quicker than waiting on the state to update the software
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15:05
<alkisg_debian>
I'd make a /usr/local/bin/VirtualBox script that calls VBoxManage and sets up the snapshot when a user launches vbox from the gnome menu
15:06
That way it would be completely transparent. Just dropping a script, and everything's ready.
15:08
<robehend1>
that makes sense. i'm going to have to learn my vbox command line again it seems
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15:10
<alkisg_debian>
'night all
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