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


Channel log from 9 November 2009   (all times are UTC)

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03:35
<ftherese>
I'm only finding old stuff about playing audio CD's on ltsp... the newest is a bug that audio cd's do not play (bug 390865 on launchpad ltsp) have there been any developments that allow audio cd's inserted in the client to play on the client?
03:36
<alkisg_work>
That should be possible with some audio player installed as a localapp...
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04:11
<Guest64439>
hi
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04:11
<banias>
ss
04:11
hi all
04:11
is there any one?
04:18
lala
04:18
hu huu?
04:18
aloo
04:19
banias@gmail.com contact me pls. about LTSP
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04:19
<Appiah>
?
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04:26
<isojussi>
is good idea to updgrade to 9.10 ? any known bugs etc?
04:27
<Appiah>
alot of known bugs
04:28
like there are on jaunty
04:28
and the version before that
04:28
and before that...
04:28
my tip is to get a 9.10 live on a usb thumbdrive, try it and see if anything important such as networking does not work
04:29
oh wait this the LTSP channel :D
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05:40
<ftherese>
sorry... to come back to the question about cd audio playing on the thin client... VLC doesn't work for some reason.
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05:48
<ftherese>
I get this error from vlc
05:48
main input error: open of `cdda:///dev/cdrom' failed: could not create access
05:48
<ogra>
add your user to the cdrom group
06:00
<ftherese>
hmmm when I try to do this: sudo usermod -a cdrom infobureau
06:00
it tells me there has been no change
06:00
and if I look a groups infobureau
06:00
that user is only in the infobureau group
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07:48
<coordinador>
Hi everybody
07:48
Why sometimes the mouse pointer and all the graphic interface sticks like each 1 sec?
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07:50
<coordinador>
07:51
<Appiah>
hmm
07:52
Thats a problem you can experince without LTSP
07:52
Dunno what caused this
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07:54
<Appiah>
see what mouse driver x uses coordinador
07:54
and force another one and see if it helps
07:55
<coordinador>
Appiah, all the graphics, not just the mouse pointer
07:55
the videos, the windows, etc..
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08:08
<coordinador>
why some of users have the 30% of cpu used with command mixer_applet2 ?
08:11
i was investigating and i found that is an old bug :"After a little more searching about, it appears that this is a known (Bug #150089 in Ubuntu)."
08:11
but this information is from 2007 :S
08:12
this information i found here: http://ubuntuforums.org/showthread.php?t=624939
08:15
<Appiah>
well you can try it
08:15
I had this problem "back in the days" on several x installs
08:16
<coordinador>
but, how did you fix it permanently?
08:21
<Appiah>
... by changing the mouse driver from auto
08:21
this was when xorg could not run without a xorg.conf...
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08:25
<coordinador>
humm
08:26
<Appiah>
just try it on one client by adding its mac address to lts.conf
08:26
and forcing another input
08:26
<coordinador>
which kind of client do you have?
08:27
<Appiah>
Like I said
08:27
General Linux problem
08:27
<coordinador>
oh i see
08:27
<Appiah>
but have not seen it for a long time
08:28
<coordinador>
but it happened to you, the freezing, only happened to the mouse pointer, or to all windows?
08:30
<Appiah>
everything
08:30
<coordinador>
oh
08:42
Appiah, did you have experienced that some of users have the 30% of cpu used with command mixer_applet2 ?
08:44
<Appiah>
nope
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08:55
<sbalneav>
Morning all
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08:56
<sbalneav>
coordinador: which version of Ubuntu are you currently running>
08:56
?
08:56
<coordinador>
9.04
08:56
good morning
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08:57
<sbalneav>
have you updated both your server and the chroot, by adding stgraber's ppa to the apt sources in both?
09:00
In case anyone's interested, I've updated my ppa with a new version of Sabayon for Karmic. This is for 2.29 sabayon, which supports apply-by-group
09:00
I'd be interested in any feedback, either here, or in #sabayon
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09:09
<Blinny>
NicE~!
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09:20
<fasthans>
hello friends. is there a way to setup the dhcp server so that only some known clients will boot from the server?
09:21
<Appiah>
reserv only DHCP server?
09:21
(dont know if thats the name)
09:21
but should be a way
09:21
<sbalneav>
fasthans: yes
09:21
<fasthans>
ok I will check if I find it.
09:22
<sbalneav>
just specify certain mac addresses in the setup
09:22
<fasthans>
so all other computers would ignore the dhcp server in this case?
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09:22
<Appiah>
they wont get an IP from that DHCP server
09:22
it will deny them
09:24
<fasthans>
off of my head, in the dhcpd.conf file, at the top there is the definition which image to take and the dhcp range. do I have to specify this for each client then?
09:25
I mean, this is the default for every client right? and then I can specify the mac for certain clients.
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09:26
<garymc>
anyone know if i should upgrade to Karmic Koala?
09:26
<fasthans>
so the ones where I specify a mac have other settings, but what about those that are not listed specificly? will they not be handled as defaults?
09:27
<garymc>
its telling me in my gui to upgrade to 9.10 karmic koala...
09:29
<fasthans>
garymc: you can if you want to. it would upgrade your system to the newset version
09:29
garymc: are you running edubuntu
09:31
<garymc>
i think so. I downloaded Ubuntu for LTSP
09:31
Ubuntu Alternate 9.04 disk
09:31
<fasthans>
so you are running a 9.04 server and multiple clients?
09:32
<garymc>
yes
09:32
is it worth doing?
09:32
will it mess with my current config etc?
09:33
<fasthans>
I don't know. you should test it first.
09:33
<garymc>
wel the system is currnetly getting used, so dont wanna mess it up
09:33
<fasthans>
it is always difficult to say. depends on your system.
09:33
<garymc>
ok
09:33
what are the advantages?
09:33
of 9.10 over 9.04
09:33
<fasthans>
do you have a separate system?
09:34
advantages? go to edubuntu.org there is a list of new features.
09:37
here it is: http://www.edubuntu.org/9.10/releasenotes
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09:40
<sbalneav>
garymc: As per ANY system upgrade of a production system, you should test on a different system first, and of course, when you have tested, and things are working to your satisfaction, a FULL, COMPLETE, AND TESTED backup of the production system is manditory, IMHO
09:41
<Gadi>
yeah, because maybe the new one won't print from different paper trays
09:41
for example
09:41
;)
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09:42
<Appiah>
:D
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09:42
<sbalneav>
Yup!
09:43
That's why I'm testing now, six months before I even CONSIDER updating to lucid.
09:44
Hmmm, having trouble with a dput
09:44
stgraber: You about, my friend?
09:44
<rjune>
sbalneav, you're too paranoid. Just roll at it, nothing bad will ever happen, right?
09:45
<sbalneav>
Oh, no no. There's NEVER any regressions
09:45
*cough* printing empathy cd-burning gdm *cough*
09:45
<rjune>
and contributed fixes *NEVER* get forgotten
09:45
<sbalneav>
Absolutely
09:46
<rjune>
it's all happy and pretty in ubuntu land
09:46
the sky is always blue, and there are never any clouds.
09:46* sbalneav forces rictus grin
09:46
<stgraber>
sbalneav: yep
09:46
<sbalneav>
hey
09:46
OK, I'm trying to dump something in the edubuntu-dev package arvive
09:47
here's my dput stanza:
09:47
<ltsppbot>
"sbalneav" pasted ".dput.cf stanza" (4 lines) at http://pastebot.ltsp.org/6
09:48
<sbalneav>
I get a mail back saying:
09:48
Rejected:
09:48
Launchpad failed to process the upload path 'edubuntu-dev/edubuntu-testing/ubuntu':
09:48
Path format mismatch.
09:48
Any idears?
09:50
<stgraber>
looking
09:51
try with a ~ before edubuntu-dev
09:52
<sbalneav>
hmmm ok, I thought of that, but the edubuntu-dev ppa page doesn't list it. However, I'll give it the old college try. Uno momento
09:58
That appears to have worked!
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10:10
<coordinador>
hi i hav a weird problem, my gdm produces a "out of range" message, but when i blindly write my login and pass, and enter to gnome the monitor works fine
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10:10
<coordinador>
That is only in the server
10:10
in clients gdm works fine
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10:12
<sbalneav>
coordinador: Looks like X isn't autodetecting your resolution correctly
10:12
you may need to tweak your xorg.conf file to your monitor.
10:13
<coordinador>
humm
10:13
i added the display section with modes "1024x768" but i didnt worked for me
10:13
<sbalneav>
So, you didn't do it right then :)
10:13
<Gadi>
coordinador: add: X_HORZSYNC = 30-100 X_VERTREFRESH = 55-75
10:14
on separate lines
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10:14
<Gadi>
to lts.conf
10:14
<sbalneav>
Gadi: it's not the clients
10:14
it's his server's consle
10:14
<Gadi>
ah
10:14
<coordinador>
Gadi, how could it be in the server xorg.conf?
10:14
<Gadi>
try: sudo pkg-reconfigure xserver-xorg
10:14
er
10:14
sudo dpkg-reconfigure xserver-xorg
10:14
<sbalneav>
that's worth a try!
10:14
good one.
10:14
<coordinador>
i already tried
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10:15
<Gadi>
ah, then in the server's xorg.conf
10:15
in the Monitor section
10:15
add:
10:15
HorizSync 30-100
10:15
VertRefresh 55-75
10:16
<coordinador>
Modes "1024x768" HorizSync 30-100 VertRefresh 55-75 like this?
10:16
or after Modes line?
10:16
<Gadi>
well, Modes is in the device section
10:16
<johnny>
weird that you would have to specify resolution like that
10:17
<Gadi>
I mean Display subsection
10:17
of the Scren section
10:17
*Screen
10:17
the Sync info should go with the monitor, I believe
10:17
<coordinador>
yes, pretty weird
10:18
ok, ill check that
10:18
<Gadi>
you most likely do not need to specify the mode
10:18
only the sync frequencies
10:18
and make sure they match your monitor
10:18
<coordinador>
well, i have Section screen, inside there is subsection display and inside there is Depth and Modes
10:18
<Gadi>
right
10:19
<coordinador>
in Monitor section i only have "identifier"
10:19
<Gadi>
the problem is the mode it is choosing is out of sync range of yourmonitor
10:19
most likely your monitor lacks ddc support
10:19
<coordinador>
the only mode that i have is Modes "1024x768_60" "800x600"
10:19
<Gadi>
are you sure that is a valid Mode name?
10:20* Gadi doubts it is
10:20
<coordinador>
i found it in the internets :P
10:20
<Gadi>
look in your /var/log/Xorg.0.log
10:20
<coordinador>
Modes "1024x768" is it ok?
10:20
ok
10:20
<Gadi>
it will give you all the details of the Modes for your driver that it accepts
10:21
yeah, 1024x768 is most likely a valid mode
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10:21
<Gadi>
built into the driver
10:22
<coordinador>
i am checking Xorg.0.log and there is a lot of things, the final line is: disable primary dac
10:23
oh god! it works!!
10:24
i will reboot server to check everything works fine from the beginning
10:24
thank you very much
10:24
good bye
10:24
i have to reboot
10:24
bye
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10:29
<Blinny>
heh
10:29
oh god!
10:29
Gadi: You should instruct him in the proper spelling of 'gadi'
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11:17
<ctkr>
On my Ubuntu LTSP network, I have one HP t5135 thin client that will boot up to the login screen but refuses to login with any user. Ideas?
11:18
<ogra>
check ~/.xsession-errors of that user
11:22
<ctkr>
Last line is: Unable to open X display localhost:17.0
11:23
<ogra>
thats a standard ubuntu installation ?
11:23
<ctkr>
yes
11:23
<ogra>
or did you tweak anything like ssh settings
11:23
<ctkr>
no
11:24
all the other clients have no problem logging in
11:24
<ogra>
installed from the alternate CD ?
11:24
<ctkr>
Desktop
11:24
<ogra>
with a manual ltsp-build-client run ?
11:24
<ctkr>
yes
11:25
<ogra>
well, "Unable to open X display localhost:17.0" indicates that the ssh X proxy doesnt work for whatever realson
11:25
<ctkr>
did ltsp-update-image and ltsp-update-sshkeys several times
11:25
<ogra>
can you pastebin your ~/.xsession-errors ?
11:25
!pastebot
11:25
<ctkr>
ok
11:25
<ltspbot>
ogra: "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.
11:26
<ltsppbot>
"ctkr" pasted "ltsp hp" (205 lines) at http://pastebot.ltsp.org/7
11:26
<ctkr>
sorry, some of it is in spanish
11:29
<ogra>
ctkr, that use can log in from other clients ?
11:29
*user
11:30
<ctkr>
yes
11:34
<ogra>
well, i guess thats another issue with compiz probing a graphics card that cant handle it
11:38
<ctkr>
would killing compiz help?
11:39
<ogra>
no, uninstalling would
11:40
i think Gadi worked out a way to make it not do the tests
11:41
that would prevent you from uninstalling ... but fro a quick confirmation uninstalling is the quickest way
11:41
*for
11:41
<ctkr>
ok
11:41
do I need ldm? because it wants to remove that with compiz
11:42
<ogra>
the ldm package ?
11:42
you have a package called "ldm" installed on your server ?
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11:43
<ctkr>
default
11:43
<ogra>
default ?
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11:43
<ctkr>
default install
11:44
<ogra>
well, there should be no package "ldm" on the server ... only in the chroot
11:44
<ctkr>
ok
11:44
<ogra>
adn you should uninstall compiz from the normal desktop install (i.e. the server)
11:44
<ctkr>
yes
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11:46
<ctkr>
going to test now
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11:48
<arx>
Is DISABLE_ACCESS_CONTROL no longer a vaild lts.conf variable? I'm trying to run remote X apps from our main server and keep running into "Can't open display" errors.
11:49
<ctkr>
OK that did it
11:49
thanks ogra!
11:50
<Gadi>
arx: no - you should run "xhost +" yourself before launching the remote apps
11:50
<ogra>
wait for Gadi to show up, he can show you a way without removing the package
11:50
<Gadi>
tho, this is a huge security hole
11:51* Gadi waves
11:51
<ogra>
ah, speaking of the devil :)
11:51
there he waves already :)
11:51* Gadi shifts his kippah to cover the horns
11:51
<Gadi>
;)
11:51
<ogra>
haha
11:53
<Gadi>
ctkr: I have a modified compiz script that disables compiz on remote connections (unless you force it in lts.conf)
11:53
lemme know if you're interested
11:54
<arx>
Gadi: I have added xhost + to the bottom of /opt/ltsp/i386/usr/share/ldm/rc.d/S01-setup-xauth (I couldnt' run xhost + on the client, it would say something like it had to be run locally?!). So, on the client, when I run just xhost it says "access control disabled...", so that works. Now, however, when I type 'rsh appserver DISPLAY=$DISPLAY xterm' it pauses for like a minute, then returns the error it couldn't open up the display.
11:55
<Gadi>
arx: are you using LDM_DIRECTX?
11:55
<arx>
I have LDM_DIRECTX=True in /var/lib/tftp/ltsp/i386/lts.conf, yes.
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11:56
<Gadi>
oh, duh! is there routing between the remote appserver and the client?
11:56
log into appserver and from appserver, try to ping the client IP
11:56
my guess is you can't
11:57
in order for what you want to work, you need to set up routing through the LTSP box
11:57
<arx>
it pings... and I even put the ip in the host file
11:57
<Gadi>
it would be much easier for you to: ssh -X appserver program
11:57
ah
11:57
hmm...
11:58
and if you get a shell on appserver
11:58
and then, set: DISPLAY=<the_right_thing> xterm
11:58
what happens?
12:00
<arx>
same as above... but let me try it. (gimmie a sec) ;)
12:01
Gadi: ok, so I rsh appserver, then I typed DISPLAY=clientipaddress, then xterm... it's just sitting there looking at me :|
12:01
<Gadi>
you need the display number
12:02
echo $DISPLAY on the LTSP server side
12:02
<arx>
oh yeah... sorry... this is what I typed export DISPLAY=ipaddress:7
12:02
<ogra>
are you sure ssh behaves indentical if its called as rsh ?
12:02
<arx>
interestingly enough... I can't ping the client now... ??? wt???
12:03
<Gadi>
on the appserver shell, try: nc -v -z -w 1 -n ipaddress 6007
12:03
aha!
12:03* Gadi knew it!
12:03
<Gadi>
is appserver on the same subnet as the thin client?
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12:03
<arx>
no
12:03
<Gadi>
yeah, so you need to have:
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12:04
<Gadi>
1. the LTSP server set to route packets between interfaces
12:04
2. a static route in the appserver directing traffic to the thin client subnet through the LTSP server
12:04
then, the plumbing will be complete
12:05
your app cannot talk to an Xserver it cannot reach
12:05
which is, again, why ssh -X appserver program would work magically
12:06
<ogra>
minor detail :)
12:06
<arx>
how do I do #1?
12:06
<Gadi>
echo 1 >/proc/sys/net/ipv4/ip_forward
12:06
and edit /etc/sysctl.conf
12:06
to make it permanent
12:07
<arx>
ahh... had I set up local firefox, I would have already done that (at least I think that is one of the steps)...
12:07
<Gadi>
well, be careful
12:08
those howtos usually have you set up NAT, as well
12:08
NAT is a firewall that will block the static route from appserver
12:08
<arx>
IT WORKS!!!!!!!!!!!!!!
12:08
WOOOHOOOO!
12:08* Gadi hands arx "A Plumbers Guide to the Internet" ;)
12:08
<arx>
;)
12:09
<Gadi>
arx: its funny how you are systematically tearing down the security layers of your network
12:09
:)
12:09
<arx>
It really thru me off when I could rsh to the server.... THANKS A MILLION!
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12:10
<Gadi>
pleasure
12:10
now, dont tell your users that they can make their friends' screens melt, if they so choose
12:10
;)
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12:12
<vagrantc>
tasty keylogging
12:12
<arx>
U Rock! Now I can go to lunch and actually relax for a bit :). Take care. No worries... my end users are clueless.... and I wouldn't do it this way if I didn't have to (old server app over a private segmented T line...)
12:12
lol
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12:15
<dro>
a random few of my clients, get a scrolling squashfs error
12:27
<vagrantc>
!release
12:27
<ltspbot>
vagrantc: "release" is please mention the linux distro and release you're using :)
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13:14
<Lns>
Hi LTSPers =)
13:18
<CAN-o-SPAM>
Hi LNS
13:20
<Lns>
hey CAN-o-SPAM, how're things?
13:21
<CAN-o-SPAM>
things are well, and you?
13:21
<Lns>
same.. Just deployed a central backuppc/nagios/apt mirror server..i love linux =)
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14:00
<dro>
a random few of my clients, get a scrolling squashfs error
14:00
<sbalneav>
dro: Yeah, and vagrant asked you what you're using? :)
14:00
!release
14:00
<ltspbot>
sbalneav: "release" is please mention the linux distro and release you're using :)
14:01
<dro>
sorry I missed that
14:01
I'm using ubuntu 9.10
14:01
thought it was happening with 9.04 also
14:01
*though
14:03
<sbalneav>
What exactly is the error? could you paste it to the pastebot?
14:03
!pastebot
14:03
<ltspbot>
sbalneav: "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.
14:03
<dro>
sbalneav: i'll have to go grab it
14:03
it's almost unreadable though, it spams soo fast across the screen, like it's counting
14:08
sbalneav: i brought a unit here next to me, i will have the error shortly
14:11
ok now just a waiting game, normally either happens right off the bat or after using it a few
14:17
<Ahmuck-Sr>
sbalneav: u motu now?
14:18
dro: i suspect your getting squash because of clients disconnected improperly
14:19
<sbalneav>
Ahmuck-Sr: Oh, heck no.
14:19
It'll be months before I can convice the powers that be that I'm good enough.
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14:20
<dro>
Ahmuck-Sr: that makes sense since they're using the rdesktop screen script, and they "disconnect" by powering off the unit
14:20
of course once they've logged off rdesktop/windows TS
14:20
<Ahmuck-Sr>
sbalneav: how are you creating ppa?
14:20
i build quite a few of my own packages, however i use checkinstall to get debs from them
14:24
<arx>
Hey again. This question is way off topic, so feel free to shun me, but I am going to ask anyway 'cause I can't seem to find an easy answer (and I know there is one). How do you remove the "minimize", "maximize" and "close" buttons from a terminal window in gnome (not a gnome terminal however... xterm started remotely.)
14:27
<mushroomblue>
tell metacity to ignore it?
14:27
<Gadi>
arx: *hust* for that window?
14:27
*just
14:27
I mean
14:28
yeah, it's a window manager hint
14:29
<Lns>
sbalneav: much applause for the going for MOTU!! You are an Edubuntu hero =)
14:30
<arx>
Gadi: ya, just for that window.... or windows running our remote app.
14:33
<squarepeg>
motu!! motu!!
14:34
<Gadi>
arx: see if a tool like devilspie will do that for you
14:34
arx: I dont think metacity itself would give you enough control on an individual window very easily
14:34
there's also gdevilspie
14:34
for a gui
14:34
<arx>
ya, I've installed it and was messin around with devilspie.... sparse documentation though.
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14:35
<arx>
doesn't appear to be a 64-bit version of gdevilspie, so when I tried to install it in ubuntu, it just said it was the wrong arch.
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14:39
<arx>
Thanks again Gadi... I will poke around with devilspie a bit more.
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14:40
<Gadi>
https://help.ubuntu.com/community/Devilspie
14:41
doh
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15:44
<Lns>
hmm, wonder if arx tried the --force-architecture in gdevilspie
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15:47
<johnny>
it's not a good idea Lns ..
15:47
if you don't already know --force-architecture, you shouldn't use it
15:48
<Lns>
johnny: well it would depend on what's contained in the .deb really... if it's all just shell scripts and/or images/non-binaries i wouldn't think it would much matter.
16:03
<Gadi>
(if (is (application_name) "xterm") (begin (undecorate)))
16:03
that's all he really needed
16:04
a few examples go a long way
16:09
<johnny>
if that some lisp..
16:09
fun..
16:10
<Gadi>
if it were a lisp, I would have said "ith (application_name)"
16:10
har har har
16:13* Lns thinks gadi needs to lay off the coffee ;)
16:14
<Gadi>
thufferin thucoutash
16:14
ur dithspicable
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17:04
<Gadi>
ogra: ping
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20:57
<EDAN>
any idea how to fix login problems of thin-clients in ltsp 5 + Ubuntu Karmic?
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20:58
<EDAN>
logging in locally has no problems, but thin-client logins causes "No response from server, restarting"....
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21:05
<vagrantc>
EDAN: probably a changed ip address. sudo ltsp-update-sshkeys ; sudo ltsp-update-image
21:05
EDAN: and restart your thin clients
21:06
<EDAN>
i did that already, but it fixes it temporarily then for some time, the problem occurs again...
21:06
<vagrantc>
unless your DHCP server is separate from your Ubuntu server ... then you might have other issues
21:06
EDAN: sounds like your ip address keeps changing, then.
21:06
set up a static ip address.
21:06
<EDAN>
the dhcp is on the ltsp server itself...
21:07
setting it up for 100 clients is not so ideal in my case... any hint?
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21:07
<vagrantc>
it seems odd that your server would be changing it's ip address if you're running dhcp on the server.
21:08
does your LTSP server have two network cards?
21:08
one for the thin client network, one for internet access?
21:08
that's generally the easiest way to configure it
21:08
<EDAN>
yes... I only use one network card for ltsp server and dhcp clients
21:08
<vagrantc>
!docs
21:08
<ltspbot`>
vagrantc: "docs" is For the most current documentation, see http://wiki.ltsp.org/twiki/bin/view/Ltsp/LtspDocumentationUpstream
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22:40
<sbalneav_>
Evening all
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23:22sbalneav_ is now known as sbalneav