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


Channel log from 2 November 2010   (all times are UTC)

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02:22
<alkisg>
But I think you need to add some package in the chroot that slows the cpu down, something about power management but I don't remember it
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02:25
<hahlo>
alkisg: any documentation somewhere?
02:25
<alkisg>
It's not LTSP specific, so probably in the ubuntu wiki or something
02:26
<hahlo>
I didn't know that client-side is also possible to install something
02:27
<alkisg>
sudo chroot /opt/ltsp/i386 apt-get install package && sudo ltsp-update-image
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02:32
<alkisg>
hahlo: on the localxterm, try: cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
02:32
What do you get?
02:32
<hahlo>
I check
02:34
performance
02:36
<alkisg>
hahlo: you need to change that to "ondemand"
02:36
Search for the package that does this. If you don't find it you can put a script that does it, but it's better to find the package.
02:37
<hahlo>
can laptop-mode do that?
02:38
<alkisg>
Hmmm... /etc/init.d/ondemand, package "initscripts"
02:38
That should already be in the chroot...
02:41
<hahlo>
CPUFreq Utilities: Setting ondemand CPUFreq governor... disabled, governor not available...
02:48
<alkisg>
Check if it still does that with an ubuntu live cd
02:49
<muppis>
hahlo, do you cpufreq-selector from gnome-applets ?
02:52
<hahlo>
no
02:53
but suddenly fan eased up don't know why didn't notice any diffrence in local xterm
02:53
<muppis>
I use that from cli and as an applet in my laptop, but I don't use this as LTSP client.
02:53
What is your load history?
02:53
<hahlo>
I check
02:54
load average:o.40
02:54
0.40
02:55
<alkisg>
hahlo: if the fan eased up, try: cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor again to see if the governor changed by some script
02:55
<hahlo>
alkisg: yes now ondemand
02:56
<alkisg>
I think the ondemand script scales it down after 60 seconds (to have a fast boot), maybe for some reason it takes longer for your ltsp client...
02:56
So anyway if it does that after a few minutes, np then...
02:58
<hahlo>
ok cool I can live with that
03:07
btw my ltsp-server is desktop machine with nvidia videocard, now using nouveau, any improvment to install nvidia-driver?
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03:35
<alkisg>
hahlo: you'll see improvement only on the server, although there's a small possibility that it might cause problems on some clients
03:42
<muppis>
I got NV8500 GT in my headless server.. What overdoze..
03:45
But what rattrap it is. Server is in attic and I placed trap just in airflow. No rat problem anymore.
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06:38
<muppis>
Hope LTSP: Workgroup of Ministry of Education and Culture is suggesting pilot for bookless school.. But I think there is MS 'funding' this pilot.
06:38
Hope for LTSP..
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07:42
<AndyGraybeal>
so backup my image, i just copy /opt/ltsp/i386 correct?
07:43
<alkisg>
Correct (while preserving file attributes)
07:43
<AndyGraybeal>
okay, thank you (cp -p)
07:46
<hahlo>
what about 3d in ltsp noticed that client says direct rendering yes but glxgears runs slow, does it depend client hardware or what?
07:57
<AndyGraybeal>
this command should take care of my backup correct?: sudo cp -Rp ltsp ltsp_backup
07:58
<muppis>
Yes.
07:59
<AndyGraybeal>
thank you muppis :)
07:59
<muppis>
Alternative command what I use is rsync -av ltsp ltsp_backup
07:59
<AndyGraybeal>
aah which is best?
07:59
<alkisg>
hahlo: 3d runs slow over the network
07:59
<AndyGraybeal>
i guess rsync only copies diffs right?
07:59
<muppis>
AndyGraybeal, yes.
08:00
<alkisg>
AndyGraybeal: Right, so it's better if you want to re-sync later on
08:00* alkisg just copies the images/i386.img file, much quicker :D
08:00
<AndyGraybeal>
alkisg: nice :)
08:00
do you guys run a cron job for that?
08:01
<alkisg>
Cron job? Why? If you want it automated, just put it at the end of ltsp-update-image or whatever else you use when you modify the chroot...
08:01
<muppis>
AndyGraybeal, just keeping in mind installed packages. Everything else is quickly rebuild.
08:03
<pmatulis>
alkisg: ah come on! why not copy over the same file every day? you're boring
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08:03
<muppis>
pmatulis :)
08:04* alkisg humbly apologizes, I didn't think of that parameter... :D
08:04
<AndyGraybeal>
alkisg: okay, thank you
08:04
muppis: thank you too.
08:04
<muppis>
No problem.
08:04
<alkisg>
AndyGraybeal: btw, I use this method when I want to do things at the same time I run other commands:
08:04
mkdir ~/bin
08:05
create a ~/bin/ltsp-update-image
08:05
#!/bin/sh
08:05
/usr/sbin/ltsp-update-image && backup chroot
08:05
This way when I run ltsp-update-image the backup also runs, and I don't need to worry about ltsp upgrades / dist-upgrades etc
08:08
(~/bin gets first in the PATH if it exists when the user logs in)
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08:09
<AndyGraybeal>
alkisg: interesting.
08:11
is backup a program or a script?
08:11
&& backup chroot
08:11
<alkisg>
Whatever you want, I don't do backups, I just gave an example...
08:11
<AndyGraybeal>
ah yes, yes, thank you
08:11
<alkisg>
You could put this in its place: ltsp-update-image "$@" && rsync -av /opt/ltsp/i386 /opt/ltsp-backup/
08:12
<pmatulis>
real men don't do backups
08:12
<AndyGraybeal>
yes, i understand, i'm sorry i just needed a little clarification
08:12* alkisg does a lot of backups for /home though :D
08:12
<AndyGraybeal>
"$@" <-- i'm not familiar with this
08:12
i run backups every night :)
08:12
eventually i want to run zfs and do snapshots :)
08:12
well.. LVM snaps too.. but i'm not there yet.
08:12
<alkisg>
That means "pass to /usr/sbin/ltsp-update-image all parameters that were passed to ~/bin/ltsp-update-image", like e.g. --arch fat-i386
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08:13
<AndyGraybeal>
aah okay
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08:13* alkisg wants to run fat clients based on zfs snapshots :D
08:13
<mgariepy>
good morning everyone
08:14
<alkisg>
Good morning mgariepy
08:14
<pmatulis>
morning
08:15
<AndyGraybeal>
alkisg: zfs seems awesome, i haven't been able to wrap my head around the zones, containers, datasets, and all that..
08:16
i think i'm going to need to cozy up with a book one weekend for it
08:17
but i really like the ACL's.
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09:24
<AndyGraybeal>
i'm installing nrpe-nagios-server onto my clients, as well as apcupsd
09:30
<highvoltage>
good morning!
09:33
<mgariepy>
morning highvoltage
09:37
<highvoltage>
mgariepy: can't stay away from IRC on your day off? :)
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09:54
<Gadi>
mgariepy: did you spread the news about remoteapps?
09:55
<Kyle__>
What news about remote apps?
09:56
<Gadi>
Kyle__: one of the things mgariepy and I hacked up over the weekend at BTS was a working remoteapps implementation
09:56
so you could run local firefox and have openoffice links open the doc on the server
09:56
for example
09:58
should also make it easy for folks running fat clients to choose to have some apps open remotely, too (should that be desired)
10:02* alkisg thinks that would be handy for gnome-about-me on fat clients ;)
10:02
<alkisg>
(i.e. to enable the users to change their passwords and other info)
10:07
!xauthority
10:07
<ltspbot>
alkisg: "xauthority" :: to access the client X session from a local root shell, try: eval $(tr '\0' '\n' < /proc/$(pidof -s ldm gdm-simple-greeter gnome-session | cut -d' ' -f1)/environ | egrep '^DISPLAY=|^XAUTHORITY=') && export DISPLAY XAUTHORITY
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10:27
<Gadi>
alkisg: actually, what sbalneav is working on should fix that - he's got a pam-sshauth module in the works
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10:50
<Gieltjev>
Hi
11:16
<Uzzi>
I've problems booting old pc that has not PXE lan boot
11:18
I'm using eb-5.4.4-rtl8139.zlilo but It doesn't find dhcp server
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11:22
<Uzzi>
I've problems booting old pc that has not PXE lan boot. I'm using eb-5.4.4-rtl8139.zlilo but It doesn't find dhcp server
11:23
the same with gpxe
11:25
<Gadi>
Uzzi: do you get the DHCP.....\
11:25
<alkisg>
!gpxe
11:25
<ltspbot>
alkisg: "gpxe" :: the successor to etherboot (http://etherboot.org). To download bootable floppy, cd, usb, kernel etc images, visit http://rom-o-matic.net/
11:26
<alkisg>
Uzzi: use gpxe instead of the older etherboot versions
11:26
Booting from etherboot (.nbi images) is broken in recent Ubuntu versions, and maybe in other distros too
11:26
Uh sorry
11:26
I didn't read all the lines :D
11:27
<Uzzi>
alkisg, with gpxe and debian server it doesn't find dhcp server! a laptop on the same network cable works fine
11:27
<alkisg>
Which gpxe version?
11:28
<Uzzi>
gpxe-0.9.5
11:28
<alkisg>
Gadi: nice, pam-sshauth will be much appreciated!
11:28
Uzzi: can you try with specifically 1.0?
11:28
0.9.5 is too old...
11:28
(and I've been experiencing problems with 1.0.1 ...)
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11:32
<Uzzi>
alkisg, http://rom-o-matic.net/gpxe/gpxe-1.0.0/contrib/rom-o-matic/ this?
11:32
<alkisg>
Uzzi: yes
11:33
<Uzzi>
ok I try with this gpxe-1.0.0-gpxe.dsk
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11:40
<Uzzi>
alkisg, tftp://0.0.0.0/ecc ecc than doesn't find pxelinux.0
11:41
<alkisg>
Uzzi: press ctrl+B to get a command line in gpxe,
11:41
then run: dhcp net0
11:41
then: config
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11:41
<alkisg>
And see the dhcp info it receives, and check if it is correct or not
11:43
<_UsUrPeR_>
hey all.
11:43
<Uzzi>
root-path it's ok
11:44
<_UsUrPeR_>
...so I got Fedora 13 working with LTSP, but I seem to be having a really big problem with X. The taskbar does not populate with open windows, and there is no border around open windows.
11:46
<alkisg>
Uzzi: boot filename? next-server?
11:47
<Uzzi>
/opt/i386 ecc ecc
11:48
next-server empty
11:49
<alkisg>
Uzzi: then you need to fix your dhcp server?
11:49
Put next-server in dhcpd.conf
11:50
Also, is really boot filename supposed to be /opt/ltsp/i386.. etc? Are you exporting the whole / with tftp?
11:51
Check /usr/share/doc/ltsp-server/examples/dhcpd.conf for a sample dhcpd.conf, I think it exists in Debian too (using Ubuntu here)
11:55
<Uzzi>
alkisg, Thanks now works fine!!!!!
11:55
<alkisg>
Nice :)
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14:31
<vagrantc>
sbalneav: y'all gorged on lobster?
14:32
ready to hibernate for the winter?
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14:55
<highvoltage>
vagrantc: why didn't you attend!?
14:56
<vagrantc>
highvoltage: it's on the other side of the continent, and i burned too much vacation time recently
14:57
<highvoltage>
ah
14:58
<vagrantc>
it's percolated in the back of my mind to host another pdx hackfest, though
14:58
not sure when would be good
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