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


Channel log from 24 June 2009   (all times are UTC)

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03:54* Hyperbyte roars.
03:54
<Hyperbyte>
Client only at 10% CPU usage, server only at 10% CPU usage, network that can pull 928 megabits per second...
03:54
And still LTSP lags, both 32-bit and 64-bit versions, both Fedora 10 and Fedora 11
03:55
What could cause the slow responses on the client?
03:55
<alkisg>
Hyperbyte: the xlib bug?
03:55
(I don't know if it applies to fedora)
03:55
<Hyperbyte>
xlib bug?
03:55* alkisg is looking....
03:57
<alkisg>
Hyperbyte: I'm talking about this one: https://bugs.launchpad.net/ubuntu/+source/libxcb/+bug/277069 - again, I don't know if it affects fedora
03:58
Hyperbyte: try `ssh -Y somepc` and then `firefox` to see if the performance is good or not.
03:58
<Hyperbyte>
Sounds it could be related... it's mostly java applications that run slow I think
03:59
<alkisg>
E.g. ssh -Y localhost and then firefox and then right click => it takes >= 3 seconds to show the menu without the patch.
03:59
<Hyperbyte>
ugh
04:00
That's a trip to the server room right there. :P
04:00
Be right back.
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04:03
<Hyperbyte>
ugh... I can't even get there right now (long story)
04:03
<alkisg>
Hyperbyte: any fedora pc will do...
04:03
(if it has the same version of related software)
04:03
<Hyperbyte>
Yeah, I figured... but none of those. :)
04:03
... around here
04:03
<alkisg>
Ah, k
04:03
<Hyperbyte>
Only thin client...
04:04
But, this is good info.
04:05
At least I have some other place to look besides hardware and network.
04:05
Thanks. :)
04:05
<alkisg>
yw :)
04:28
<Hyperbyte>
alkisg: confirmed... Firefox right click menu takes 3 seconds to appear
04:28
:)
04:28
<alkisg>
Hyperbyte: I think the fix will go upstream...
04:29
So it's a matter of time to also get to fedora (if it hasn't already)
04:29
<Hyperbyte>
Well currently I'm running Fedora 10 and I had the same problems with Fedora 11
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04:32
<Hyperbyte>
Hmmm, there's an upstream fix for Fedora
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08:07
<lukas2511>
hi. i have a problem with my ltsp setup. i installed everything and configured LOCALDEV and so on. usb sticks are recognized on the thin client (i checked tty1) but on X there is no message. if i login as root i can see and mount the stick. the user accounts are over nfs and a mysql database. can anyone help me ?
08:09
some info: i am using debian lenny with ltsp-server-standalone package from debian repo
08:11vagrantc has joined #ltsp
08:17
<lukas2511>
no one can help me ?
08:19* ogra guesses you dont use proper default groups
08:19
<lukas2511>
wait...
08:19
<ogra>
you need one group per user to have localdev working properly
08:20
<lukas2511>
oh..
08:20
<ogra>
also you say "i installed everything and configured LOCALDEV and so on"
08:20
what exactly did you configure there ?
08:20
<lukas2511>
*;*;*;Al0000-2400;plugdev,fuse,scanner,video,audio,netdev,cdrom,dialout,floppy,powerdev,users,disk,haldaemon,staff
08:20
<ogra>
you dont need to configure anything, it works out of the box
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08:20
<coordinador>
help pls
08:20
<lukas2511>
i added this line to /etc/security/group.conf
08:21
<ogra>
lukas2511, beyond that, vagrantc maintains the debian port
08:21
he can probably help more detailed
08:21
<lukas2511>
vagrantc: :) help me please :)
08:21
<ogra>
but generally you should automatically see /media/$USER/<devicename> after plugging in a usb key
08:21
<lukas2511>
yeah that happens when i login as root
08:22
/media/root/STICK appears
08:22
but with other users.. no chance
08:23
<ogra>
well, make sure you havent messed up the user:grop mapping debian uses by default
08:23
*group
08:23
there should be one group per user
08:23
<lukas2511>
yeah i use mysql logins i have something like username:pupils
08:23
<ogra>
no
08:23
shoudl be user:user
08:23
<lukas2511>
okay then i have to reconfigure nscd...
08:23
<vagrantc>
lukas2511: i would strongly discourage adding all users to the disk group...
08:23
<ogra>
that too :)
08:23
<lukas2511>
vagrantc: was just a test
08:24
<ogra>
as well as haldaemon
08:24
<lukas2511>
cause i dont know what it is good for ^^
08:24
<vagrantc>
lukas2511: all you should need for LOCALDEV/ltspfs is the fuse group.
08:24
<ogra>
and proper user groups
08:25
<lukas2511>
vagrantc: i added this first but didnt work. i will try to configure nscd like ogra said (user:user)
08:25
<ogra>
else /media/$USER/<devicename> wont be bind mounted
08:25
<coordinador>
thanks, the problem was solved
08:25
:)
08:26
<vagrantc>
nscd?
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08:26
<lukas2511>
vagrantc: its for login over ldap/mysql
08:26
<ogra>
vagrantc, he uses a mysql server as ldap replacement
08:26
<lukas2511>
its easy to config ^^
08:27
<vagrantc>
lukas2511: ah. what's the output of the "id" command from a logged in user?
08:27
<ogra>
and easy to merss up ;)
08:27
*mess
08:27
<lukas2511>
vagrantc: uid=2000(lukas2511) gid=9002(admins) Gruppen=9002(admins)
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08:27
<vagrantc>
lukas2511: looks like you don't have fuse.
08:27
<lukas2511>
its configured over /etc/security
08:27
<vagrantc>
lukas2511: and your default group isn't the same as the user...
08:28
<ogra>
and gid should be lukas2511
08:28
<lukas2511>
yeah i will try this now
08:28
but nscd doesnt want the new config.. trying a bit here and there i will report when i got it working
08:28
<vagrantc>
not having a unique group per user shouldn't stop it from mounting, though... it should just show up on everyone's desktop who has access to that group.
08:28
<ogra>
hmm, indeed
08:29* vagrantc hears the moan of the ghost of virtual hal devices
08:29
<ogra>
heh
08:29
not before we have dbus forwarding
08:30
<lukas2511>
uid=4187(chanel) gid=4187(chanel) Gruppen=4187(chanel)
08:30
like this ?
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08:31
<vagrantc>
lukas2511: you also need them in the fuse group
08:31
<lukas2511>
yeah.. do you know the gid out of head ? ^
08:31
<ogra>
its dynamic
08:31
so he cant :)
08:31
<vagrantc>
it varies
08:32
<lukas2511>
oh O.o
08:32
<ogra>
look in /etc/group
08:32
<lukas2511>
thats bad...
08:32
<ogra>
its ok if you only have a single server ...
08:32
<lukas2511>
the problem is that i have many ltsp servers
08:32
<ogra>
gets tricky with multiple ones
08:32
<lukas2511>
4 servers
08:33
can i give the group as groupname or does debian want the gid ?
08:33
<vagrantc>
lukas2511: it's not what debian wants, it's what whatever you've configured wants.
08:34
lukas2511: you could just use pam_group on all your servers, and not manage that in ldap/mysql
08:34
<ogra>
++
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08:34
<lukas2511>
i need the groups and users over mysql cause they are dynamic
08:35
<ogra>
not the server specific system groups
08:35
<lukas2511>
pam reads both if you mean that
08:35
<ogra>
of which fuse is one
08:35
<lukas2511>
first local groups, then mysql ones
08:35
<ogra>
yes, and you want to configure it that it only uses the system groups
08:36
the ones from /etc/group
08:36
else you will end up in a mess
08:36
<vagrantc>
lukas2511: so, set up mysql to set the user-specific uid/gid (i.e. lukas2511/lukas2511 ) and pam_group to set the fuse group.
08:37
<lukas2511>
can you tell me how to do this ?
08:37
<vagrantc>
lukas2511: add to /etc/security/group.conf : sshd;*;*;Al0000-2400;fuse
08:38
<lukas2511>
i have this but with more groups like audio video cdrom floppy
08:38
and fuse ;)
08:38
<vagrantc>
lukas2511: and in /etc/pam.d/sshd, add: auth optional pam_group.so
08:38
lukas2511: so, first, start out with a local user and local groups for everything.
08:39
<lukas2511>
sshd or ssh ?
08:39
<vagrantc>
lukas2511: i have sshd on lenny.
08:39
on etch it was ssh
08:39* ogra has it too on ubuntu
08:39
<lukas2511>
ok i have both
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08:40
<coordinador>
hi
08:40* ogra sighs about mono amd dives back into his cave
08:40
<ogra>
*and
08:40
<vagrantc>
lukas2511: i would recommend first setting it up without your ldap/mysql backend, just to see if you can get it to work. then later, when you understand how it should work, you can add back in the network stuff and see how it breaks.
08:40
<lukas2511>
vagrantc: is there a cache ? or does this apply directly
08:40
<vagrantc>
lukas2511: you'd have to log out and log back in.
08:41
<coordinador>
i have a doubt... what if im running ltsp4.2 (with people working in clients) and i execute sudo ltsp-build-client (to install ltsp5) ?
08:42
<lukas2511>
i will relogin, bnc stays
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08:43
<vagrantc>
coordinador: ltsp-build-client will fail if /opt/ltsp/i386 exists.
08:43
<coordinador>
oh thats right
08:43
<lukas2511>
i love you. i love you.. i love you !!! xD
08:44
<coordinador>
ill mv /opt/ltsp/i386 to /opt/ltsp-4.2/i386
08:44
<vagrantc>
coordinador: so move your /opt/ltsp to /opt/ltsp-4.2 ... yeah!
08:44
<coordinador>
theoretically if i change dhcpd.conf everything will continue work fine
08:44
*working
08:44
thats right?
08:45
<vagrantc>
coordinador: you might have to reboot your thin clients, but yes.
08:45
<coordinador>
yes
08:45
ok, thanks, im a bit scared but ill do anyway
08:46
<vagrantc>
coordinador: you can always move it back.
08:46* ogra wonders if the NFS connection of 4.2 will survive that
08:46
<coordinador>
:O
08:46
<vagrantc>
yes, it'll definitely mess up running thin clients.
08:46
<ogra>
i bet you get ESTALE on all running clients if you mv it while running
08:47* ogra hugs nbd :)
08:47
<vagrantc>
heh
08:47
<coordinador>
oh.. all clients must keep working fine...
08:47
<vagrantc>
coordinador: you'll have to wait till you can shut all the thin clients down.
08:47
<coordinador>
i cannot allow clients fail... do you think is better dont do that?
08:48
<ogra>
you shouldnt do such experiments during work time, really .... would you like to have a heart surgery while being fully awake ?
08:48
<vagrantc>
you could alternately set up ltsp5 in another directory, but it doesn't support that as well as it should.
08:48
<coordinador>
humm
08:49
do you think that the clients working could stop working if i do that?
08:50
<vagrantc>
coordinador: if you're unsure, don't do it.
08:50
it definitely could mess something up.
08:50
<lukas2511>
okay.. another question about usb and ltsp ^^ any way to allow the user unmounting/ejecting his usb drive ?
08:51
<vagrantc>
lukas2511: well, both fortunately and unfortunately, it's safe to just pull the device after 3 seconds of inactivity.
08:51
lukas2511: the mount is just "virtually
08:51
on the server.
08:51
<lukas2511>
vagrantc: i know that but some teachers and pupils dont like to remove a mounted stick
08:51
<vagrantc>
it automatically unmounts the filesystem when it's inactive
08:52
<lukas2511>
but if there is no other way thex have to accept this
08:52
<vagrantc>
yes.
08:52
there is currently no known way to do that.
08:52
<lukas2511>
okay thanks many times and bye
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08:52
<coordinador>
i think, its possible nothing happen, since the only moment when the clients have access to /opt/ltsp/i386 is when dhcpd send it through the network. Does it have sense?
08:53
<vagrantc>
coordinador: kind of hard to understand what you're saying here...
08:53
<coordinador>
ok, humm..
08:54
dhcpd tells the clients that download the /opt/ltsp/i386 directory at moment of booting, right?
08:54
<vagrantc>
yes.
08:55
but if you move /opt/ltsp/i386 while there are booted clients, you will have problems.
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08:56
<coordinador>
then... if i do sudo ltsp-build-client , and erase the /opt/ltsp/i386 directory nothing happen since the only moment that clients have access to this directory is while booting, right?
08:56
<vagrantc>
coordinador: no.
08:56
coordinador: it will break them.
08:56
<coordinador>
:o, teach me please
08:56
<ogra>
there is nothing to teach
08:56
<vagrantc>
coordinador: do not mess with /opt/ltsp/i386 when the clients are running.
08:56
coordinador: not just booting.
08:56
<ogra>
running 4.2 clients definately use an nfs mount from /opt/ltsp/i386
08:57
<coordinador>
humm, i see
08:57
<ogra>
if you move that away, thats like you would rip out the disk from a workstation while its running
08:57
<vagrantc>
unless you know what you are doing and willing to deal with breaking it.
08:58
<coordinador>
ok, now i understand, i though that the only moment clients need /opt/ltsp/i386 is while booting, now i know that always clients have access to the dir
08:58
<Gadi>
so... you're saying you shouldn't rip out a disk from a workstation while its running.... /me scribbles quickly
08:59
<ogra>
Gadi, really depends on the disk :P
08:59
<Gadi>
:)
08:59
<coordinador>
ok, i understand
08:59* Gadi is gonna need more paper
08:59
<Gadi>
:P
08:59
<ogra>
lol
08:59
<coordinador>
hah
09:00
<ogra>
ltsp5 (in ubuntu) works differently, there it would be possible to move things around ...
09:00
<coordinador>
is there a way to tell ltsp-build-client build it in another dir?
09:00
<ogra>
but ltsp 4 using plain nfs will get you into trouble
09:00
see the --extra-help option of ltsp-build-client
09:01
<vagrantc>
coordinador: there is still the possibility that it will break something
09:01
<ogra>
right, indeed
09:02
<coordinador>
ok, thanks, i've just notify everybody that i ll reboot the server so everybody is working angry and fast
09:02
lol
09:02
bofh
09:02
<ogra>
you really should do your maintenance stuff after work
09:02
<coordinador>
it cannot be possible
09:02
<vagrantc>
coordinador: in that case, i would first switch to /opt/ltsp-4.2, get people working again, and try building ltsp5 ... that should be fairly safe. still possible something could go wrong, but pretty safe.
09:03
coordinador: after you've shut down all the thin clients, that is.
09:04
<coordinador>
i cannot do maintenance after work since this is a train (yes, a real train www.cybertren.cl ) and after working the train goes , everyday is the same
09:05
<Gadi>
ok, so that's cool - coordinador, are you in chile?
09:05
<coordinador>
yes, im in chile
09:05
<vagrantc>
LTSP on the train? that's my style!
09:06
<Gadi>
we have a reseller in chile
09:06* Gadi makes a note to tell him about the cybertren
09:06
<coordinador>
yes, its pretty cool since the train stops in populations where people havent resources so they can use computers, do homework , etc..
09:06
<Gadi>
erre con erre cigarro, erre con erre barril, rapido corren los carros, los carros del ferrocarril
09:06
:)
09:06
<coordinador>
:O
09:07
awesome spanish!
09:07* Gadi 's high school spanish teacher would be proud
09:07
<Gadi>
:)
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09:08
<coordinador>
haha
09:08
<Gadi>
do you know that rhyme?
09:08
or is it a castilliano thing?
09:08
<coordinador>
yes, its a child's rime
09:08
<Gadi>
ah, ok
09:08
<coordinador>
is spanish (castellano) the same
09:08
<Gadi>
glad she didn't make it up
09:09
<coordinador>
"castellano" is because the language comes from a region of Spain named "Castilla" but castellano is the same as spanish
09:10
what is the name of resellers here?
09:10
<Gadi>
Lintex
09:10
heard of them?
09:11
<coordinador>
never, ill find info about Lintex
09:11
have you ever heard about BlueCompany?
09:11
<Gadi>
http://www.lintex.cl/
09:12
no - havent heard
09:16
<coordinador>
Like 4 years ago, Blue company implemented this lab, including server, boxes, and ltsp4.2, but they left the project and now im in charge. Im not from any company, but a linux users group in my university
09:16
damn bluecompany since they implemented the lab with eboxII (that now is my pain)
09:17
<Gadi>
and the folks from the train let a guy from the local LUG do the installation of their system?
09:17
what a country!
09:17
<coordinador>
yes, since im the best
09:17
haha
09:17
<Gadi>
:)
09:17
no doubt
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09:23
<coordinador>
we are known here, since we do a lot of activities related to free software, we are in charge of Flisol (latin american free software install fest) everyyear. Flisol is the world's biggest install fest. Im sorry, the website is in spanish only http://flisol.info/
09:24
but as your spanish is so good, you could understand it
09:29
<sbalneav>
Bom Gia, #ltsp
09:30
CAN-o-SPAM: Ping
09:33
<coordinador>
ok, all users go away
09:34
ill proceed to execute ltsp build
09:36
ill be back
09:36coordinador has quit IRC
09:36
<Gadi>
out with the spanish, in with the portuguese
09:36
:)
09:36
!s
09:36
<ltspbot>
Gadi: "s" is Scotty!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
09:37
<sbalneav>
Hey Gadi
09:38
Just sitting here in the speakers lounge, starting to work on Friday's presentation
09:38
<Gadi>
sbalneav: man, they have u working?
09:38
:)
09:38
<sbalneav>
Yes
09:38
<Gadi>
just do the happy packet dance
09:39
<sbalneav>
Hey, I'm also working on the docs, getting them up-to-date
09:39
<Gadi>
in fact, get up and say "And now, without further ado, the Happy Packet Dance...."
09:39
<sbalneav>
id the ltsp-paramters.txt file in ltsp-trunk up-to-date?
09:39
including the xrandr stuff you did?
09:39
<Gadi>
accurate, yes. complete, prolly not
09:39
<sbalneav>
ok
09:40
I'll look through the source code, try to complete it.
09:40
<Gadi>
you should prolly add XRANDR_DISABLE if it isn't there
09:40
<sbalneav>
ok
09:40
<Gadi>
thats useful for allowing X_MODE_0 to work in the traditional way
09:40
for non-xrandr drivers
09:41
<sbalneav>
Noted
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09:42
<coordinador>
ok, i've just erased /opt/ltsp/ dir
09:42
and now im executing "sudo ltsp-build-client" , nothing bad happened by now
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09:45
<CAN-o-SPAM>
sbalneav: pong
09:45
<sbalneav>
CAN-o-SPAM: So, I'm going to be doing the ltsp presentation
09:45
Do you have eithe:
09:46
1) an OpenOffice impress background or,
09:46
2) a pointer to the new logo (high quality)
09:47
<CAN-o-SPAM>
3) where do u want me to e-mail?
09:47
<sbalneav>
sbalneav@alburg.net is fine
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09:48* coordinador is crossing all fingers
09:50
<coordinador>
OH CRAP!
09:50
<CAN-o-SPAM>
sbalneav: check e-mail, sent you a couple different things, if u need something else let me know
09:50
<coordinador>
What does it mean?? : Configuring x11-common (1:7.4~5ubuntu18) ...
09:50
debconf: cannot intialize interface: Passthrough
09:50
debconf: (Failed to open fd 3: Bad file descriptor at (eval 22) line 3)
09:51
that happened while executing "sudo ltsp-build-client"
09:52
<sbalneav>
CAN-o-SPAM: Thanks, checking
09:52
<vagrantc>
coordinador: did it stop running? if so, it's probably fine.
09:52
<coordinador>
although, everything seems continuing fine
09:52
<vagrantc>
coordinador: i mean, if it didn't stop, it's probably not a problem.
09:52
<coordinador>
nice! The installing of LTSP completed successfully :D
09:52
now, ill reboot a client, :S
09:53
but before.. ill restart the dhcpd
09:53
done, trying to reboot a client...
09:54
:o it works XD
09:54
<sbalneav>
CAN-o-SPAM: Perfect, thanks.
09:54
<coordinador>
oh god! it doesnt work!
09:54
<vagrantc>
coordinador: when you said you erased /opt/ltsp ... you mean you moved it somewhere else, right?
09:54
<coordinador>
yes
09:54
to ltsp-4.2
09:54
<vagrantc>
that made me worried :P
09:54
<CAN-o-SPAM>
sbalneav: no problem, any chance ur presentation is being taped?
09:54
<sbalneav>
I'll make up a master slide. When I get it done, I'll send you a copy
09:55
CAN-o-SPAM: I can see if I can get someone to film it.
09:55
<vagrantc>
coordinador: what i would do, is configure dhcp to point to the /opt/ltsp-4.2 stuff, so that people can start using it again.
09:55
<CAN-o-SPAM>
i think that would be cool! i'm sure all would appreciate it
09:55
<coordinador>
i had an issue in etc exports, ill check if now reboot ok
09:55
<CAN-o-SPAM>
just try not to say "eh" too much ;)
09:55
<sbalneav>
I'll try
09:55
:)
09:56
<coordinador>
haha
09:56alkisg has joined #ltsp
09:56
<coordinador>
i edited /etc/exports , how changes can take effect?
09:57
in clients i got " /opt/ltsp/i386" permission denied
09:57
i mean /opt/ltsp4.2/i386
09:58
and the dir exists
09:59
what the...
10:00
is working!
10:00
i just restarted /etc/init.d/nfs-kernel-server
10:00
now ill reboot server
10:01
just in case
10:01
ill be back
10:01coordinador has quit IRC
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10:05
<coordinador>
everything works fine :)
10:06
now i just have to configure dhcp, so only some machines will boot with ltsp5 :)
10:08* vagrantc forgets what ltsp 4.2 has in /var/lib/tftpboot
10:09
<sbalneav>
CAN-o-SPAM: You wouldn't happen to have an SVG of just the logo, would you?
10:12* ogra dips sbalneav in caipirinha
10:13
<sbalneav>
heh
10:13
The logo's a jpg, which means if I scale it up, it gets the jaggies.
10:14
Having an svg would solve that
10:25staffencasa has joined #ltsp
10:30CAN-o-SPAM has quit IRC
10:39Faithful has quit IRC
10:41
<coordinador>
wohoo!! i have both systems 4.2 and 5 working at the same time , in selected machines :)
10:41* ogra applauds
10:42
<coordinador>
thanks to all who helped me
10:43
unfortunately i dont remember the steps to do it with ltsp4.2 installed before ltsp5, but is pretty similar
10:53hanthana has joined #ltsp
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10:55
<warren>
why did nobody mention the disable nagle thing?
10:56
<ogra>
whats nagle ?
10:58
as in http://rfc.net/rfc896.html ?
10:59
<warren>
https://bugs.launchpad.net/libxcb/+bug/277069
10:59Mip5 has joined #ltsp
11:01
<ogra>
the fix went upstream a while ago
11:01
at least to my knowledge
11:01
https://bugs.freedesktop.org/show_bug.cgi?id=17868
11:02
and on a sidenote it was filed in fedora as well ... https://bugzilla.redhat.com/show_bug.cgi?id=442158
11:03
<warren>
the suggestion there was "don't ship xcb"
11:03
<ogra>
where ?
11:04
<warren>
in the fedora bug
11:04
that suggestion was likely why it was ignored for so long
11:04
<ogra>
ouch
11:05
well, the bug was heavily discussed on ltsp-discuss for months and months
11:05
stgraber sent a fix a while ago but i dont think that was disabling nagle
11:06
<warren>
I guess we've been suffering from this for a long time.
11:07
<ogra>
yep
11:07
filed in LP on 2008-10-02
11:07bieb has joined #ltsp
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11:07
<ogra>
and i think i have heard the symptoms a release before
11:08sepski has quit IRC
11:09
<coordinador>
damn.. somebody already translated the manual into spanish.. a lot of time wasted :/
11:09
since i was doing the same :/
11:09
<ogra>
coordinador, coordinate with him ;)
11:10
since you are the coordinador ;)
11:10
sbalneav is surely happy to get a spanish update
11:10
<coordinador>
haha, ok is my speciality
11:10Mip5 has left #ltsp
11:11
<coordinador>
the LtspDocumentationUpstream is translated totally
11:12
ill talk with the person who did that, so both will translate everything else
11:12
<ogra>
but sbalneav is just updating it
11:13
<alkisg>
Is anyone interested in helping to make a wubi variant that just installs gPXE? It would be handy for transforming non-PXE-capable windows PCs to dual-boot LTSP clients...
11:14Patina has joined #ltsp
11:14
<coordinador>
nowhere appears the name of the person who translated it, how can i contact with him?
11:22
i cannot get changes in /var/lib/tftpboot/ltsp/i386/lts.conf take effect
11:25Mip5 has joined #ltsp
11:25
<Mip5>
Gadi - you out there?
11:26Tony_Touch has joined #ltsp
11:26
<Tony_Touch>
hello all
11:26
<Mip5>
I'm trying to get my jaunty box to join my os x ldap server (leopard - 10.5). I'm running wireshark, analyzing the packets, and see some stuff that looks like it might be informative.
11:28
I have set my box up using the how to: https://help.ubuntu.com/community/OSXLDAPClientAuthentication and am testing it with getent passwd. When it works properly, this should show the list of accounts on my local box and the list of accounts on the ldap server. I'm only seeing local.
11:28
<Tony_Touch>
i was wondering if anyone has any experience with trying to run any sort of 3D, CAD, or modeling software on a ltsp thin client using either AMD Geode, Intel Atom, or any of the VIA chipsets covered by the openchrome driver?
11:28Patina_ has quit IRC
11:29
<Tony_Touch>
Mip5 if you're only seeing local accounts your clients aren't authenticating to the ldap server
11:29
<Mip5>
When I look at wireshark, I see a "noSuchObject" - I also see that the search (according to wireshark) seems to be missing my first dc.
11:29
Thanks Tony_Touch
11:30
<Tony_Touch>
"getent username" should be enough to see whether it's working or not
11:30
<Mip5>
Yeah - I can see that they are not working - I'm trying to figure out *why* - and am using wireshark to analyze the packets.
11:30
<Tony_Touch>
or is "getent passwd username"
11:31
<Mip5>
getent passwd is a good test
11:31
<Tony_Touch>
well either way, the point is, you're going to have to do some troubleshooting
11:31
<Mip5>
right - I'm looking at the packets, and am seeing noSuchObject as the response from my ldap server
11:32
<Tony_Touch>
make sure that your the firewall on your LDAP machine is open to port 53 traffic
11:32
<Mip5>
Have you bound clients to an ldap server? Any special caveats I'm missing?
11:32
it's actually port 389
11:34
I recently edited my ldap.conf file and altered the search base, but I'm wondering whether that newly added info is getting used. It looks (to me) like it's not. Is the first element in a search base omitted in a request?
11:34
<Tony_Touch>
you're right i was thinking of dns
11:35
<Gadi>
Mip5: have you tested with ldapsearch?
11:35
<Tony_Touch>
if i remember correctly ubuntu using a ldap.conf file that's in the /etc directory
11:35
whereas debian uses one in /etc/ldap
11:35
or something to that extent
11:35
<Mip5>
Gadi - yes, and it works
11:36
<Gadi>
with what arguments?
11:36
<Mip5>
just the command ldapsearch
11:36
and then it asks for the password of the directory admin - I give it, and it reports lots of info
11:37
when I try to su to an account that's on the ldap server, it doesn't work: Unknown id: marc
11:38
<Tony_Touch>
sounds like an issue with your ldap client setup
11:42
did you remember to edit /etc/nsswitch.conf ?
11:42
and all those other files under /etc/pam.d ?
11:43
<Mip5>
yes - I followed the howto https://help.ubuntu.com/community/OSXLDAPClientAuthentication
11:44
<Tony_Touch>
yeah that looks about right
11:50
<Gadi>
Mip5: if you just run ldapsearch with no arguments, it asks for *your* password
11:50
and will retrieve info based on your creds
11:51
i think
11:51
though, actually, scratch that
11:51
<Mip5>
Gadi - interesting. Well, I tried those - but 1) my account doesn't currently have admin creds, and 2) I never specified a username, but the only match I got was with the ldap admin account.
11:51
<Gadi>
it'll use the admin user from ldap.conf
11:51
look at your /etc/ldap.conf
11:52
<Mip5>
now where is that anyway? I have edited my file - let me take a look - I don't know if it's in there.
11:54
The only lines that are in there specify: BASE, URI, and a line about not having the local root not be locked in pam_filter !(uid=root)
11:55
<Gadi>
do you have an /etc/ldap.secret file?
11:55
<Mip5>
my base is dc=host,dc=domain,dc=k12,dc=co,dc=us
11:56
<Gadi>
try this (as root): echo "secretpassword" > /etc/ldap.secret ; chmod 600 /etc/ldap.secret
11:56
where "secretpassword" is your admin password
11:56
for ldap
11:57
<Mip5>
okay - hold on
11:58warren has left #ltsp
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11:59
<Mip5>
Gadi - I created the ldap.secret file inside /etc (but not inside /etc/ldap/), and it didn't seem to fix it. Let me take a look at packet capture and see what it says
12:01
I'm still getting noSuchObject - interestingly (to me at least) the search base starts at my domain - it doesn't have the hostname. That said, it's finding the host, and the host is answering
12:02Lns has joined #ltsp
12:02* alkisg filed a question about adding gPXE support in wubi here: https://answers.launchpad.net/wubi/+question/75198
12:07
<Gadi>
Mip5: do you get anything with: ldapsearch -b "ou=Users,dc=host,dc=domain,dc=k12,dc=co,dc=us"
12:11
<Mip5>
Gadi - first off, I see that I had an ldap.conf inside /etc/, but I was editing the one in /etc/ldap - my guess is that I should only have one (or at least that the one in /etc/ takes precedence
12:12
<vagrantc>
alkisg: what's wubi?
12:12
<Mip5>
When I altered the search base in that one to include the dc=host,dc=domain.... getent passwd actually worked, and returned a bunch of account data from the ldap server
12:12
<vagrantc>
nevermind
12:12
<alkisg>
vagrantc: http://en.wikipedia.org/wiki/Wubi_(Ubuntu)
12:13
<Gadi>
Mip5: I *believe* /etc/ldap/ldap.conf is what is used by ldapsearch, while /etc/ldap.conf is used by the pam module
12:13
but that may be wrong
12:13
<alkisg>
It's a windows program, as of late supported by canonical, that installs ubuntu in a loop back file in a windows partition. It uses grub4dos, so it could easily install gpxe to make non-pxe-capable windows clients boot from network...
12:13
<Gadi>
my /etc/ldap/ldap.conf is very sparse
12:13
just has the BASE definition
12:14
while my /etc/ldap.conf has more
12:14
<alkisg>
vagrantc: so, as a windows program that only installs gpxe, it would be distro agnostic
12:14
<Mip5>
yeah, so is mine - though I have a bit more than that in mine (3 lines)
12:15
<Gadi>
I think between /etc/ldap.conf, /etc/ldap.secret, and /etc/nsswitch.conf you should be able to authenticate properly
12:15
<Mip5>
Ok - so I guess I need both
12:15pich has joined #ltsp
12:16
<Gadi>
fyi: my /etc/ldap.conf has: base, uri, ldap_version, rootbinddn, bind_policy, pam_password, and nss_initgroups_ignoreusers
12:16
everything else is commented out
12:31
<Mip5>
Gadi - fwiw, I'm getting an invalid credentials when I run the ldapsearch you suggested. Which credentials should I be using?
12:32
<Gadi>
Mip5: try adding: -D "CN=Administrator,CN=Users,DC=winlab,DC=bog,DC=novell,DC=com"
12:33
or the equivalent for you ou
12:33
*your
12:33
domain
12:33cliebow has joined #ltsp
12:33
<vagrantc>
alkisg: couldn't you just use the grubutil-win32 from debian/ubuntu?
12:33cliebow has quit IRC
12:33* alkisg looks...
12:34cliebow has joined #ltsp
12:34
<alkisg>
vagrantc: is that a one-click install?
12:34
<vagrantc>
alkisg: i have no idea.
12:34
i mean, all you need is an image that boots gpxe...
12:34
<alkisg>
vagrantc: the problem is installing the boot managerr
12:35
For now, I use this: https://help.ubuntu.com/community/UbuntuLTSP/grubgpxe#Boot%20from%20a%20Windows%2095/98/Me%20partition
12:35
<vagrantc>
alkisg: can't you get a dos executable format that windows bootloaders can load?
12:35
<alkisg>
Nope
12:35
That's where grub4dos comes in, but it doesn't have an installer
12:35
<Mip5>
Gadi - here's the response to that command: ldap_bind: Server is unwilling to perform (53) additional info: unauthenticated bind (DN with no password) disallowed
12:36
<Gadi>
try adding a: -W
12:36
<cliebow>
a big W...i loved that movie
12:38
<Mip5>
I'm getting an invalid syntax, where should I specify the W (I tried -DW, and -D -W)
12:39
<cliebow>
Mip5, post it again?
12:39
<Mip5>
replacing the D with the W worked
12:39
<cliebow>
scratch that
12:39
<Mip5>
clear
12:40
whoops - wrong application - sorry
12:40* vagrantc wonders what the difference with gpxelinux.0 and pxelinux.0 is
12:41
<cliebow>
where is Martry connor when you need him
12:41
<bieb>
hey cliebow
12:41
<alkisg>
vagrantc: gpxelinux.0 assumes that the gpxe stack is present, so it can handle more protocols
12:42
(afaik)
12:42
<vagrantc>
ah.
12:42
<alkisg>
vagrantc: I think that could also help instead of wubi: http://en.wikipedia.org/wiki/Win32-loader_(Debian)
12:42* alkisg is reading...
12:42
<cliebow>
bieb, 8~)
12:43
<bieb>
cliebow: hows everything going ?
12:43
<Mip5>
Boy am I dumb! - okay - it seems like running a command (gentent passwd) from a non-root user works, but not from a root terminal. Well that makes sense given that I have a pam_filter !(uid=root)
12:45
Okay - making headway (getent passwd works when run from a non-root terminal). su to a user known on the ldap server (but not on my local machine) still fails: Unknown id: marc
12:46
<cliebow>
crazed...consolidating three school districts into one office
12:46
<bieb>
wow
12:46
<Gadi>
Mip5: can you: ssh marc@localhost
12:47
<bieb>
cliebow: I have a couple questions about using 64bit Ubuntu with LTSP... 1 are there any issues you know of running ltsp on 64bit Ubuntu?
12:48
cliebow: is it better to run it on 64bit to allow for massive amounts of RAM?
12:48
<Mip5>
Gadi - no - it tries, but fails to authenticate. However those same credentials allow me to ssh into our ldap server
12:49
<Gadi>
hmm... so getent passwd worked
12:49mikkel has quit IRC
12:49
<Gadi>
what do you get from:
12:49
getent passwd marc
12:50
oh, and do the passwords need to be set to md5, perchance?
12:50
pam_password md5
12:50
in /etc/ldap.conf
12:51
<Mip5>
marc:x:1047:20:name: my homedirectory, and my shell
12:51
<cliebow>
bieb:i cant help you there..but ogra knows all..
12:51
<Mip5>
let me look at that brb
12:51
<bieb>
where is that ogra? :D
12:52
<cliebow>
busy i am sure...
12:52
<bieb>
cliebow: although I have not completed all my testing.. my boss has approved the purchase of my LTSP server.. AND for me to attend BTS
12:52
woot woot
12:53
<cliebow>
Awesome!!
12:53
<bieb>
yeah
12:54
thats why I am trying to figure out if the 64bit is a better way to go
12:54
<Mip5>
Gadi - I do have pam_password md5
12:55bobby_C has joined #ltsp
12:55
<Gadi>
Mip5: have a look at /var/log/auth.log
12:56
<Mip5>
bieb - we've rolled out an ltsp server for about a dozen users, and are now rolling it out for another school (24 seats), and possibly another (30 seats). It's been very fun!
12:56
<bieb>
Mip5: using 32 or 64 bit?
12:57
<Mip5>
bieb - 32 bit, but with the PAE kernel so that we can run 8 gbs of ram
12:57
<bieb>
what is the PAE kernel?
12:58
<Mip5>
Gadi - here's the relevant entries in /var/log/auth Jun 24 11:47:27 jaunty-union-5714 sshd[13577]: Failed password for invalid user marc from ::1 port 52791 ssh2
12:58
Jun 24 11:47:27 jaunty-union-5714 sshd[13577]: PAM 2 more authentication failures; logname= uid=0 euid=0 tty=ssh ruser= rhost=localhost
12:59
bieb - http://en.wikipedia.org/wiki/Physical_Address_Extension -
13:00
<bieb>
thanks
13:00
<Mip5>
I had ordered more ram for my servers, and then found the mobo could see it but not the kernel. I asked for help here, and was referred to PAE enabled kernel.
13:00
<bieb>
which flavor linux are you using?
13:02
<Mip5>
ubuntu - 9.04
13:02
!pastbot
13:02
<ltspbot>
Mip5: Error: "pastbot" is not a valid command.
13:02
<bieb>
cool
13:02
<Mip5>
!pastebot
13:02
<ltspbot>
Mip5: "pastebot" is The LTSP pastebot is at http://pastebot.ltsp.org. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. A link to the content will be pasted in the channel.
13:02
<ltsppbot>
"Mip5" pasted "how to install PAE enabled kernel" (10 lines) at http://pastebot.ltsp.org/385
13:03
<Mip5>
bieb - I pasted my notes on how to install the PAE enabled kernel. Check the link above
13:03
<bieb>
got it .. thanks alot
13:03* vagrantc hugs ltspbot
13:04
<bieb>
Mip5: how much memory is usable with PAE?
13:05
<Mip5>
Yeah - I remember my first days here, I pasted several lines from a log, and have people "dust off" - pretty funny
13:05
bieb - I don't know how much memory is available, but it's a lot
13:05
<bieb>
ok.. I know my Mobo supports 16gb
13:06
<Mip5>
I bet it would be fine - so you can't go with 64 bit?
13:06
<bieb>
I can go with 64 bit.. I was just curious if there were any issues with it.. and what other pros/cons there might be
13:07* Lns would like any kind of status update on using 64-bit server w/32-bit clients as well...last time i tried was a few years ago, and it didn't work so well
13:07
<Gadi>
worked fine for me
13:07
:)
13:08
<Lns>
Gadi: that's what's in vallejo?
13:08
<Gadi>
yup
13:08
just need to be aware that the install cd makes a 64-bit chroot
13:08
<Lns>
wow, 64-bit jaunty =) that's what i'm running at home actually
13:08
<Gadi>
:P
13:08
<Lns>
Gadi: the alternate install cd?? haha
13:08
<Gadi>
you need to build the chroot again
13:08
for 32-bit
13:08
<Lns>
who uses 64-bit clients anyway?
13:09
<Gadi>
yeah
13:09
i found no 64-bit related issues
13:09
other than installing flash plugin from a howto
13:09
:)
13:10
<Lns>
Gadi: cool. Last time I tried, i remember 1) flash issues (which i'm sure are fixed now) and a firefox printing library issue
13:10
<Gadi>
hmm - didnt test printing from firefox
13:10
<Lns>
Gadi: you have remote to the school?
13:10
<Gadi>
yeah
13:11
<Lns>
i'm pretty sure it was an issue printing FROM a thin client, not from the server
13:13
<Mip5>
Gadi - when I try to su marc, I get "unknown credentials" from wireshark, but the search base seems a bit whacked. It inserts the admin accout, *skips* the host, but then continues with the rest of the domain
13:15
It never asks for the passwd when I try to su to user marc, but just returns Unknown id
13:15
<Gadi>
Mip5: if you want to paste ur /etc/ldap.conf, I can have a look
13:16
otherwise, just try to check all references to base and rootbinddn
13:22
<Mip5>
!pastebot
13:22
<ltspbot>
Mip5: "pastebot" is The LTSP pastebot is at http://pastebot.ltsp.org. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. A link to the content will be pasted in the channel.
13:25
<ltsppbot>
"Mip5" pasted "ldap.conf.paste" (302 lines) at http://pastebot.ltsp.org/386
13:33
<Gadi>
Mip5: are you sure the rootbinddn shouldn't have the dc=brhsx?
13:33
<Mip5>
Gadi - no, I'm not sure about any of this ! ;-) brhsx is the server in this building
13:34
<Gadi>
well, whats the DN for the users?
13:34
perhaps, your base should NOT have dc=brhsx
13:37
<Mip5>
Well, according to the ldap server tools available on os X, the search base is: dc=brhsx,dc=rfsd,dc=k12,dc=co,dc=us
13:38
Gadi - I see what you're saying - I think you're right. That rootbinddn *should* have dc=brhsx in it (I think). Let me change that... brb
13:41
Gadi - well, I still can't su marc. getent passwd still works though.
13:43
When I tail -f /var/log/auth.log and run su marc, I get "nss_ldap: failed to bind to LDAP server ldap://address:389: Invalid credentials
13:45Sarten-X has quit IRC
13:47
<Mip5>
su marc fails after entering the password, and the auth.log shows:
13:48cliebow has quit IRC
13:48
<Mip5>
Jun 24 12:46:35 jaunty-union-5714 sshd[14042]: pam_unix(sshd:auth): check pass; user unknown
13:48
Jun 24 12:46:38 jaunty-union-5714 sshd[14042]: Failed password for invalid user marc from ::1 port 53946 ssh2
13:48
<Ahmuck>
any chance in turning a 150mhz, 32mb ram pc into a thin client?
13:51
<Mip5>
Ahmuck - kind of depends on how much you like the user who would be using that box ;-)
13:51japerry has quit IRC
13:59
<Gadi>
Mip5: try making your uri: ldap://10.105.0.23/
14:00
<Mip5>
get rid of the port number?
14:00
<Gadi>
yeah
14:00
389 should be default anyway
14:00
<Mip5>
okay
14:01
<Gadi>
and mine has a trailing slash
14:02
<Mip5>
still not allowing su marc, or ssh marc@localhost
14:12
Gadi - (re)looking at the documentation, the post mentions that the base should have cn=users, prepended to the search base of dc=host,dc=domain. I tried it, but it didnt' work. Perhaps that change is necessary but not sufficient. If so, where else should i try it? - everywhere the base is specified?
14:26
Gadi - a little more news - I try to ssh localaccount@localhost, and I get a failure in the auth.log (for ldap), but then it fails over and allows the login.
14:27
<Gadi>
(sorry - on conf call - bbiab)
14:28
<Mip5>
Gadi - no problem - I figured you had work to do ! ;-)
14:29
Did you see my post about prepending a cn=users entry to my base in ldap.conf?
14:40
Gadi - I've got cruise for the day. Thanks a lot for your help. I'll check back later when I know more, or have more time to work on it.
14:40Mip5 has left #ltsp
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14:46
<jammcq>
boa tarde #ltsp friends
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14:50
<Lns>
hey jammcq
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15:23
<alkisg>
Is there any easy way to autodetect i386 vs amd64 clients, and direct them to use a different chroot for each architecture?
15:24Lumi|USA2|ESP0 is now known as Lumi|USA2|ESP0|F
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15:54
<Gadi>
alkisg: send a different VCI from ipconfig, and sort from that
15:54* Gadi has been advocating that we do that for years
15:54
<Gadi>
just haven't scripted it
15:55
:P
15:55* Gadi 's proposal was: LTSP-$arch
15:55
<sbalneav>
ls
15:55
<Gadi>
.
15:55
..
15:56
coming up empty
15:56
<sbalneav>
hurumph
15:56
Wireless is spotty
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16:48
<coordinador>
hi
16:48
i want to continue translating ltsp5 manual into spanish, but i dont know how to contact with the translator
16:49
in the ltsp website there is a manual translated into spanish but it has some unfinished or erroneus sentences
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17:10
<cliebow>
sbalneav: in Brazil/
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18:19
<coordinador>
hi
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22:29
<Ahmuck>
the clients are controlling the sound on the server
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23:17
<stevenjd13>
hi just a question, I live in Hong Kong. I see the instructions that change the whole system to another language. What I what to know is can each user change their language?. If so how?
23:18
I am using k12ltsp
23:23
<Ahmuck>
ltsp ?
23:23
<stevenjd13>
K12ltsp fedoras version
23:24
<Ryan52>
really, really, really old.
23:24
unless you mean k12linux.
23:25
<stevenjd13>
yes sorry getting myself confused, doing a lot of investigating
23:26
<Ryan52>
oh, I should probably answer your question, huh? :P
23:26
stevenjd13: users can select languages on login.
23:26
stevenjd13: if you have a new enough version of ldm, it will save that as the default for that user.
23:27
stevenjd13: they just need to click on preferences and then something else (presumably languages?)
23:27* Ryan52 doesn't have an ltsp terminal in front of him
23:29
<stevenjd13>
really? That's what I would of thought. When I used it it could not be seen (the language selection). That was with F10 version. may be I will try the F11 beta.
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23:32
<Ryan52>
there's always been a language selection...
23:32
it just hasn't always saved as default, tho I think F10 does that.
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