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


Channel log from 20 September 2009   (all times are UTC)

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10:33
<hipy>
can i connect to ltsp via a pc already runnin g with an os
10:37
<johnny>
if you want the full experience, you'd need to run a virtual machine.. otherwise you could connect via vnc or remote X
10:38
from a windows pc.. it is probably easier to use vnc..
10:38
from linux, you can try both
10:46
<vagrantc>
hipy: you can connect to an LTSP server through a variety of protocols, as LTSP is largely just a collection of services to network boot and run remote sessions.
10:46
but then you're not using LTSP. it's just remote X or VNC or whatever at that point.
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11:05
<alkisg>
vagrantc: I saw in the initramfs-tools/scripts/nfs that it calls modprobe af_packet, and I tried to replace the `sleep`s in udhcpc with that, and it worked fine. Do you think that's a better method?
11:06
<vagrantc>
alkisg: no idea
11:07
<alkisg>
Hmmm I'll mail the devel list with the patch, and I hope someone will know more than us! :-/ Thanks, though...
11:09
<elias_a>
Hello!
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12:35
<vagrantc>
alkisg: i think af_packet is needed to do dhcp type requests
12:35
alkisg: but it may not neccesarily be a module
12:36
<alkisg>
"not neccesarily be a module" ==> sorry I didn't get this
12:36
<vagrantc>
alkisg: "modprobe af_packet" ... that loads modules ... i think it tends to be compiled into the kernel, at least on debian.
12:37
but on older kernels, it wasn't
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12:37
<alkisg>
I wonder why it would work with that and without `sleep`, then...
12:38
<vagrantc>
alkisg: you run the udhcp stuff way earlier in the process than configure_networking is normally called
12:38
alkisg: maybe you're running it too early?
12:38
<alkisg>
Yes, that was not my desicion - stgraber put it there so that he didn't have to change any other initscripts
12:39
I'd also prefer it if it could be called instead of configure_networking
12:39
<vagrantc>
still would be interesting to see if you could override the configure_networking function, and then it would "just work" with all the other scripts.
12:39
<alkisg>
I don't think so, because the scripts are exec'ed, not sourced...
12:40
<vagrantc>
well, you can turn them into something source-able.
12:40
it would require some re-writing, but that would seem a better way to integrate.
12:40
<alkisg>
How would I do that, without modifying init?
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12:41
<alkisg>
...unless I exported a whole function in the "return file" -- each initscript generates a file with variables to be returned, maybe I could misuse it to return a configure_networking function... :-/
12:42
Nah, that wouldn't work either
12:47
vagrantc, on another front, I'm trying to create a proper <chroot>/etc/ltsp/update-kernels.conf so that <chroot>/usr/share/ltsp/update-kernels would generate a pxelinux.cfg/default with a *menu* in it. I don't think I can do it with the currently supported variables... Could I try to come up with some suggestions on that?
12:48
...or, if a $PXELINUX_PREPEND_FILE was also defined, instead of hardcoding Default ltsp, I think that would also work.
12:50
<johnny>
i don't even use configure_networking in gentoo
12:50
i just rely on the actual init scripts
12:51
i hope to eventually be able to rely on the init scripts only..
12:51
with a few *hints* or whatever
12:51
<alkisg>
How different are the (non-ltsp) initscripts of gentoo, compared to ubuntu?
12:51* alkisg has never seen init scrips from other distros
12:52
<johnny>
much better
12:53
much much much better..
12:53
<alkisg>
Heh :)
12:53
<johnny>
altho perhaps not better than native upstart scripts
12:53
which aren't really used yet.
12:53
but they are much better than the compat style used up to this point
12:54
alkisg, they are dependency based.. so none of the rc*.d/ files
12:54
and you can set up profiles
12:54
like nonetwork
12:55
<alkisg>
I think ltsp can be booted with the "non-ltsp" ubuntu initscripts, i.e. without using the ltsp modifications. Lts.conf won't be downloaded from tftp, but other than that I think it boots...
12:55
<johnny>
shouldn't it be? that is done in the initramfs on ubuntu iirc
12:55
now.. on fedora and gentoo.. they wouldn't be
12:56
<alkisg>
Yeah I mean that not much modifications are needed in the default ubuntu initramfs to be able to boot ltsp
12:56
<johnny>
no.. not the initramfs.. i'm just takling about the regular init system :)
12:56
<alkisg>
so... will all that be replaced with dracut in the future?
12:57
<johnny>
i don't think ltsp will boot in any kind of decent way on ubuntu without the proper init scripts disabled.. as ltsp-setup overrides much of their functionaliyt
12:57
i dont' do as much with that on gentoo
12:57
i use less of the configure_* functions and let the actual init scripts do the work..
12:58
alkisg, init scirpts in gentoo and both provide functionality to override defaults and depend on other init scripts.. it's not based on sequential numbering
12:58
the K* and S* scripts in /etc/rc?.d that is
12:59
<alkisg>
OK I used the wrong terminology before, now I get what you mean. I was refering to the initramfs scripts as "init scripts"
13:00
<johnny>
i plan on using dracut on gentoo for the initramfs
13:00
i just wish the gentoo project on the whole would adopt dracut instead of the genkernel initramfs creator..
13:01
<alkisg>
Is it ready for adoption yet? Or is it too early?
13:02
<johnny>
for what to adopt what?
13:02
<alkisg>
Dracut, to be adopted e.g. in gentoo
13:02
Is it ready, or does it lack necessary functions?
13:02
<johnny>
dracut is already used in fedora 12
13:02
<alkisg>
Ooooh :) /me googles...
13:03
<johnny>
i'm using fedora 12 alpha right now
13:03
it needs a few modifications to work properly in gentoo, but some are are already done
13:05
<alkisg>
"With Dracut, the initramfs has one purpose in life - getting the rootfs mounted so that we can transition to the real rootfs." - nice, sounds focused :)
13:06
<johnny>
alkisg, if only it was that easy :)
13:07
alkisg, it has stuff for nfs, nbd, fibrechannel, iscsi, aoe, etc..
13:07
<alkisg>
aoe, lvm, iscsi, nbd... yeah I understand :)
13:07
<johnny>
i wanna find a way to make it not try to unlock mounted /home until gdm
13:07
my /home is encrypted
13:08
i'd like to find a way to delay the unencryption until i try to login
13:08
perhaps i need to encrypt /home/johnny and not /home
13:09
<alkisg>
I think I lost you there. Dracut bothers to unencrypt your /home? Isn't that an init script task?
13:09
<johnny>
if your root is encrypted.. you must do it there
13:09
<alkisg>
I understand the need to unencrypt /, but why /home?
13:10
<johnny>
probably overzealous regex or something
13:10
<alkisg>
Dah :)
13:10
<johnny>
plus stuff like /usr might need to be done there
13:10
i think it might require too much special casing
13:11
<alkisg>
It does sound like it could be something cross-distro, though, so it would have much people for testing it
13:12
<johnny>
well.. it would be nice if somebody other than fedora adopted it :)
13:12
in gentoo.. it is just another option.. as we don't really have a default other than genkernel.. which many people don't even use
13:16
<alkisg>
I saw warren is in the dracut, and I followed the link to his cv... "founded the original Fedora Project" ??? Wow!!!
13:16
*team
13:19
<johnny>
yes
13:19
he sure did
13:19
warren is everywhere
13:24* alkisg just saw that the netbooks to be offered to all 12 y.o. Greek students are actually dual boot (windows/edubuntu 9.04)! Woot!
13:25
<johnny>
alkisg i'm still waiting for arm netbook..
13:25
gimme a netbook with no optical drive and an arm chip :)
13:25
and ssd
13:25
i know tvs are starting to come out that are LED not LCD
13:26
i wonder what the power usage of an led display would be
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13:26
<alkisg>
johnny makes alkisg google too much :-/
13:26* alkisg looks for LED Tvs... :P :D
13:27
<johnny>
the only selling point on the commercial is "deeper blacks" and being THX certified
13:27
<vagrantc>
alkisg: PXELINUX_DEFAULT=menu
13:27
alkisg: will default to a menu
13:27
alkisg: you could also use vesamenu
13:28* alkisg tries...
13:32* vagrantc hasn't been able to update dracut git repo in a while
13:32
<johnny>
vagrantc, re clone
13:32
after that it worked for me
13:32
<vagrantc>
awesome.
13:32
pfft.
13:33
johnny: same problem.
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13:33
<vagrantc>
johnny: what git URL you using?
13:34
<johnny>
git://dracut.git.sourceforge.net/gitroot/dracut/dracut
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13:35
<johnny>
too many dracuts in there..
13:36
<vagrantc>
that seems better.
13:36
the /topic of #dracut still has the old location
13:37
<alkisg>
vagrantc: Works like a charm!!! :P :D Merci!!!! (I thought that it wouldn't accept the TITLE at the end of the file, but it does)
13:40
<petre>
In the chroot, root's $HOME is set to /root in /etc/passwd; but $HOME isn't set for the root that's on the client console (Ctrl-Alt-F2); why is that?
13:41
<alkisg>
petre: did you login, or just used SCREEN_02=shell ?
13:41
<petre>
alkisg, SCREEN_02=shell
13:41
<alkisg>
petre: I think that bypasses the normal login process, so /etc/profile isn't sourced, and other things like HOME aren't set...
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14:12
<Pulga>
I'd like to known where I can find reviews, scientific researches, any kind of performance analysis, all about LTSP???
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15:44
<Pulga>
i am looking for a site with ltsp analysis.....
15:44
for scientific research
15:48
<alkisg>
Pulga: the only scientific paper *I*'ve seen concerning ltsp is an environmental analysis: http://it.umsicht.fraunhofer.de/TCecology/docs/TCecology2008_en.pdf
15:52
<Pulga>
ok
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17:39
<treyh>
audio on ltsp clients is very choppy, running ubuntu
17:40
cpu and memory aren't being maxed, network is running great, any other ideas?
17:51
have any of you did this on your ltsp server
17:51
sudo adduser $USER pulse-rt
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18:35
<vagrantc>
yay! ltsp-docs made it into debian!
18:36
sbalneav: ^^
19:21
<jammcq>
whoa!!! Cool
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