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


Channel log from 4 January 2011   (all times are UTC)

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00:37
<antilyman>
hey people happy new year
00:39
I'm in Madagascar and I don't have enough bandwidth, I would like to use my ltsp-server to update my ltsp-image
00:39
I'm on LUbuntu Maverick
00:40
when I do an update with aptitude on the server, it downloads everything that will be downloaded again when I chroot in the ltsp
00:40
so packets are downloaded twice
00:41
<muppis>
antilyman, install apt-cacher and set it as proxy for both.
00:42
But you still need use same arch for both, otherwise no help from that.
00:42
<antilyman>
they're on the same arch
00:42
it's ok
00:42
thank you
00:42
I was like installing apt-mirror
00:45
<muppis>
apt-cacher is easier, because it doesn't need any sources.list. It acts as proxy, so you can use it all installations and have their own sources.
00:46
<antilyman>
ok I catch it
00:46
<muppis>
And apt-cacher doesn't use your network by own like apt-mirror does.
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02:04
<gnunux>
hi
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03:48
<antilyman>
it's me again
03:48
I'm running ltsp-server on ubuntu maverick
03:48
and I don't know since when my clients takes long time to boot
03:49
I'm still searching
03:49
but if anyone has any advice to narrow my searches
03:49
<Appiah>
searching for what
03:49
<antilyman>
for how to make the clients boot faster
03:50
<Appiah>
where is the boot slow?
03:50
<antilyman>
since the beginning
03:50
then it looks like hanging on "trying to load pxe.cfg/default"
03:51
but after few minutes it goes on loading vmlinuz
03:51
<Appiah>
if it's slow already there i'd say its the network
03:51
<antilyman>
wires ?
03:51
<Appiah>
or the client
03:51
how many clients have this issue? all? some? just on 1?
03:51
<antilyman>
the client was OK before (PII 350 with 164 Mb RAM)
03:52
<Appiah>
1
03:52
<antilyman>
I tried to boot 2 clients
03:52
maybe t's the network
03:54
it's weird because I didn't do any changes
03:54
in network configuration
03:54
<Appiah>
check the dhcp server for errors
03:55
maybe just a restart of the dhcpd will do?
03:55
is the server spitting out other errors?
03:55
<antilyman>
already did
03:55
nothing special in daemon.log
03:55
<Appiah>
dmesg, /var/log/messages ?
03:56
I dont think dhcpd logs in daemon.log default on ubuntu
03:57
<antilyman>
seems like it's a network card problem
03:57
my card is a tulip
03:58
<Appiah>
on the client or server?
03:58
<antilyman>
on the server
03:58
and I've got a lot of : tulip_stop_rxtx() failed (CSR5 0xfc06c012 CSR6 0xff974111)
03:58
in dmesg
03:58
nothing special in /var/log/messages
03:59
I'll try to use another ethernet card
04:01
thank you
04:01
I'll install another ethernet card and test if it's better
04:01
see you
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07:35
<AndyGraybeal>
morning
07:36
got here late, my girl got a warning from the state patrol cause thinks she's in nascar
07:37
<Appiah>
:D
07:38
she was driving around fast in a circle?
07:39
<AndyGraybeal>
:)
07:40
naw.. running whiskey
07:40
just like my family heritage
07:40
thank god for appalachia
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08:00
<AndyGraybeal>
anyone know of a good hardware mailing list? i want to ask about a power distrobution unit (PDU) and i want to talk to people with experience with those before i purchase it. i emailed the ubuntu list o/t; but no one really responded.
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08:27
<mgariepy>
good morning everyone and happy new year ! :)
08:31
<highvoltage>
good morning and happy new year from me too!
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09:09
<Dantix>
hi all, I'm receiving this error: can't start hardware abstraction layer - please ensure dbus is running, but I can't figure out what runlevel is running my workstation to add the SXXdbus.
09:13
<Appiah>
is this the client?
09:13
What dist are you running?
09:16
<Dantix>
yes the client, Debian Lenny
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09:16
<robehend1>
has anyone used IceWM as a desktop enviro for LTSP?
09:19
<Appiah>
Dantix: weird , thought debian would add things like that automaticly
09:19
robehend1: read about people using other things then GNOME and KDE
09:20
using WM's instead of DE's
09:20
<robehend1>
hmm, guess ill have to play with it.
09:20
<Appiah>
search the mailinglist
09:20
<robehend1>
will do
09:21
<Dantix>
Appiah: yes, weird, I've just add the link en every rc folder and testing
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09:21
<Appiah>
Dantix: :D
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09:22
<Appiah>
robehend1: found one here saying they switched to IceWM and things went quicker
09:22
<robehend1>
i'm hoping for quicker, as well as less overhead, as well as throwing a easy to use theme on there for my kindergarten
09:22
<Appiah>
it's just a matter of making it start IceWM instead of gnome..
09:22
(should be)
09:23
<robehend1>
yep. thats through init scripts, correct?
09:23
<knipwim>
i'm using fluxbox on my ltsp-client by adding LDM_SESSION=/usr/bin/fluxbox to the lts.conf
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09:24
<Dantix>
Appiah: before try with debian i've installed the ltsp that comes with ubuntu and the clients never boots, do you know about problems with ubuntu pacakges?
09:24
<Appiah>
Dantix: 10.10 ?
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09:24
<Dantix>
Appiah: yes
09:25
<robehend1>
knipwim: thanks knipwim. does that still give people the option to go into gnome, or does it force them into fluxbox?
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09:25
<knipwim>
robehend1: no, force into fluxbox
09:26
<robehend1>
knipwim: for configs, did you just like put the fluxbox config files in /etc/skele, so all users get the same? or I guess Flux could work differently, not familiar with it.
09:26
<Appiah>
if you just install icewm via packagemanger I think people will have the option to switch to IceWM (just like GDM does)
09:26
and you can set the default
09:26
<robehend1>
Appiah: ldm has that option?
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09:26
<knipwim>
robehend1: that could be done
09:26
<Appiah>
I think so, not 100% sure
09:27
<knipwim>
robehend1: although all users have their own config now
09:27
robehend1: and, the LDM_SESSION doesn't work since ldm-2.2, but that might be a gentoo issue
09:27
<robehend1>
knipwim: ah, true. anyway that I could like, setup a default config, put it somewhere, and have all users use that? I'm trying to find a replacement for Sabayon, so I can control what kids can and cant get too, etc
09:27
<Appiah>
https://bugs.launchpad.net/ubuntu/+source/ldm/+bug/67397 LDM does seam to have the option
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09:30
<robehend1>
ls
09:30
oops, sorry
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09:31
<knipwim>
robehend1: i think that should be possible somehow, either a central default config, or symlinking each user config from a default one
09:31
too late :(
09:32
<Dantix>
the ltsp's clients logs are at --chroot--/var/log?
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10:15
<knipwim>
Dantix: if configured right, the client logs should be at the server at /var/log/remote/<client-host>
10:16
<Dantix>
knipwim: I'll look for there, thanks
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10:27
<alkisg>
Dantix: does debian still use hal? What's your actual problem, besides the warning?
10:28
Or, what problem did you have with ubuntu?
10:29
<Dantix>
alkisg: seems nothing more that a annoying message every time the client boots
10:31
alkisg: I've tryed to add dbus and hal to all rc..d directories, but the popup still appears
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10:31
<alkisg>
moment, phone...
10:32
<Dantix>
alkisg: with ubuntu the clients never ends to boot.
10:35
<alkisg>
Back
10:36
Dantix: maybe some program tries to use hal and it's not available
10:36
I don't think you need to add hal just for a warning...
10:36
With Ubuntu, if you had some specific error message we could help, but since you moved to debian np
10:37
To add a service the usual command is update-rc.d
10:37
(in debian/ubuntu)
10:38
But if you just reinstall a service it should be automatically enabled (as ltsp-build-client disables a lot of them)
10:39
<Dantix>
alkisg: I think I'll try to come back to Ubuntu and start from zero.
10:39
<alkisg>
No problem either way, both are nice environments
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10:39
<alkisg>
And most glitches (like not booting at all :D) can usually be worked around easily
10:40
<Dantix>
thanks for you support, Ill back with news when I'll be on my new installation
10:42
<robehend1>
i forget: if i change something in lts.conf, say directx = yes , do I have to rebuild the image or just restart the clients
10:42
<alkisg>
Nope
10:43
<robehend1>
ah, nice. I'm going to see how much of a savings I get with no encryptoin
10:43
<alkisg>
Muuuuuuuuch better speed ;)
10:45
<robehend1>
another random. if i do the disable_compiz thing, do I have to do it per client, or just once on the server?
10:45
!disable_compiz
10:45
<ltspbot>
robehend1: "disable_compiz" :: To disable compiz, try: sudo gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type string --set /desktop/gnome/session/required_components/windowmanager metacity
10:45
<robehend1>
bah
10:47
<muppis>
Just runit onserver. It disables for all clients.
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10:48
<muppis>
Laggy wlan.
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10:58
<Q-FUNK>
stgraber: https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/439611
10:58
howdy y'all!
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11:00
<robehend1>
why hallo there
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13:37
<cemc>
hi. I would like to disable remote logging on the thin clients, that they don't send logs to the server. I understand that that's on by default, even if the server isn't set to receive them?
13:38
<alkisg>
Yup
13:38
You need to define the logging server in lts.conf to enable it
13:38
!lts.conf
13:38
<ltspbot>
alkisg: "lts.conf" :: http://manpages.ubuntu.com/lts.conf
13:39
<cemc>
I would like to _disable_ it actually
13:39
<alkisg>
It is disabled
13:39
by default...
13:39
afaik...
13:39* alkisg double checks
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13:40
<alkisg>
Hmm...
13:40
<cemc>
if you don't set the specific SYSLOG_SERVER, then SERVER is used. but I don't want it to use anything.
13:41
if I ssh to the thin client, I see /etc/rsyslog.d/lts.conf, and there it's *.* <servers_ip>
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13:43
<alkisg>
And if the server is not configured to accept connections, it falls back to logging locally on the thin client?
13:43
Because there are log files locally (I have not configured my server to accept connections)
13:44
<cemc>
not sure, I didn't check that yet. I thought syslog gets sent through UDP, so even if the server doesn't receive it, it's still being sent (again, I didn't check that yet)
13:44
I just thought I ask here first, if there's even an option to not do remote logging, to not even set it up on the thin client
13:47
<alkisg>
I don't see such an option in the code
13:47
Ah
13:48
Try SYSLOG=anything else than empty "" or "remote"
13:48
E.g. SYSLOG=local
13:49
I see in the code that this should work, but I don't find any references for that variable anywhere at all..
13:50
(in lts.conf)
13:52
<cemc>
me neither, that's why I was confused
13:53
<alkisg>
Btw the relevant code is in /opt/ltsp/i386/usr/share/ltsp/ltsp-init-common
13:53
<cemc>
alkisg: it seems to work
13:53
there's no ltsp.conf file generated in /etc/rsyslog.d/
13:53
so that's good then
13:53
<alkisg>
Right, but I wonder why that's completely undocumented...
13:54
<cemc>
maybe it was a quick hack and it got forgotten ;)
13:54
<alkisg>
Probably :)
13:55
<cemc>
is there a bugreport page somewhere?
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13:56
<alkisg>
Not sure if that code is in all distros, which one are you using?
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13:59
<cemc>
alkisg: Ubuntu 10.04
13:59
<alkisg>
Try https://bugs.launchpad.net/ubuntu/+source/ltsp/+bugs then
13:59
<cemc>
right, thanks
13:59
<alkisg>
np
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14:00
<cemc>
btw, the logs do get sent even if the server is not configured to receive them, I checked. they're sent to port 514/udp
14:00
without SYSLOG=local
14:04
alkisg: what about this: https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/197744 ?
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14:05
<cemc>
alkisg: never mind, that's old
14:09
done: https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/697387
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14:10
<cemc>
alkisg: thanks again, and a Happy New Year to you ;)
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14:26
<vagrantc>
hrm. with the new version of debian, non-free firmware split out of the kernel... feel like would have to include the non-free parts of the repositories and the non-free firmware in order to have people not revolt
14:26
:(
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14:29
<italovalcy>
hi guys! I'm using ltsp-cluster here and it's working very good! My doubt is: is there an way to don't display the information screen at end of ltsp-client's boot?
14:29
<Q-FUNK>
vagrantc: typical debian.
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14:30
<italovalcy>
I'm talking about this screen: http://www.arkki.info/howto/Wiki/LTSP-Cluster/LTSP-ClusterControlCenter-05.png
14:34
<vagrantc>
Q-FUNK: to be clear, i'm supportive of the decision to make it clear when people are using non-free components, otherwise it's hiding problems that people will actually have.
14:35
i think it's the right decision, it just has some consequences
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14:43
<italovalcy>
hey, I've found that such screen is called by ltsp-cluster-info from /opt/ltsp/i386/usr/share/ltsp/xinitrc.d/I00-cluster
14:43
to call that script, we have a condition based on variable CLUSTER_CONFIGURED
14:44
if ! boolean_is_true "$CLUSTER_CONFIGURED" && [ -n "$(which ltsp-cluster-info)" ];
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14:44
<italovalcy>
what the usage of that variable?
14:44
I mean, can I just set it to TRUE?
14:46
<Gadi>
italovalcy: I believe that it gets set once a workstation is added to a node other than the root node in the control center
14:46
<italovalcy>
or, IMO, this could be configurable through another variable... something like: DISPLAY_CLUSTER_INFO=True/False, what do you thinnk?
14:49
Gadi: I didn't understand... somethink like a static node (appserv) through the web interface?
14:50
<Gadi>
italovalcy: in the web interface, create a node
14:51
then, move the workstation under that node
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15:04
<italovalcy>
Gadi: I did the following: http://homes.dcc.ufba.br/~italo/z/disable_ltsp-cluster-info.txt
15:05
Gadi: what do you think?
15:05* alkisg wonders if aufs[nbd rofs, + nbd cow] + nbd swap would be better than aufs[nbd rofs, tmpfs] + nbd swap, especially for fat clients... or caching makes those somewhat equivalent?
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16:12
<alkisg>
Yet another crazy idea... :P when btrfs is stable, to switch from squashfs to a sparse file-based "partition" with a compressed btrfs file system in it, served with nbd-server -c.
16:12
That will completely avoid the need for tmpfs/aufs on the client, will reintroduce compression for less bandwidth, and will allow rsync to be used for ltsp-update-image, resulting in fast updates of big fat client images...
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16:35
<vagrantc>
alkisg: who needs rsync ... you could just mount the image to update it, no?
16:37
<alkisg>
vagrantc: sure, but the clients would need to be offline for that
16:37
So that extra "update-image" step is handy there...
16:38* vagrantc has updated ext2 images live without anything crashing
16:38
<vagrantc>
not that i used it extensively ... and it kind of perplexed me that it continued to work ...
16:38
probably a little different with the nbd cow support, too
16:39
i.e. when you've mounted something read-only you don't need to worry about update clashes
16:39
although i'd think caching woudl get in the way
16:40
<alkisg>
I too had by mistake done that, i.e. I had the .vdi disk open with vbox, and at the same time mounted with vdfuse and exported with nbd-server -c, and it all worked, but I don't know if that was just luck
16:42
(and a fat client booted from the nbd cow image)
16:46
Ah. Logic failure. If I mount the image rw to rsync/update it, I might as well update it online.
16:46
Snapshots would be handy there :D
16:47
<vagrantc>
yeah
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17:52
<tekoholic>
Which file do I send another dhcp config utility to, as the boot image in LTSP?
17:53
<alkisg>
You mean that you have an external dhcp server?
17:54
<tekoholic>
No, I mean that I use (on same server) Zentyal, for network and DHCP config, and it asks for a boot image. Which file do I direct it to?
17:55
<alkisg>
Do you use tftpd-hpa for tftp?
17:55
Or does it have another tftp server?
17:55
The boot filename in ubuntu/debian is /ltsp/i386/pxelinux.0, relative to the tftp root dir
17:56
I don't know about other distros...
17:56
<tekoholic>
I believe that it uses tftpd-hpa, verifying now. This is an Ubuntu-LTS based system. You can check it out @ zentyal.org
17:57
alkisg, It does use tftpd-hpa
17:57
5.0-11ubuntu2.1, to be sure
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22:04
<Faithful>
I am looking for some all-in-one touch screen PCs... any suggestions?
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