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


Channel log from 8 May 2009   (all times are UTC)

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07:01
<chrisjrob>
i would like rdesktop screen script to leave the rdp username blank, perhaps by adding -u "" to the rdesktop options. unfortunately this does not work through lts.conf, as I end up with the quotes in the username field.
07:02
prior to upgrading to lenny-backports, i had got around this problem by adding the -u "" directly to the screen.d/rdesktop script, and that worked fine, but i cannot seem to get this to work on lenny backports (the screen.d/rdesktop script has changed a little).
07:02
has anyone got around this minor issue?
07:04
<treyh>
chrisjrob: what distro you using?
07:05
<chrisjrob>
debian lenny
07:05
<treyh>
yea I was able to get it blank in intrepid
07:05
<chrisjrob>
it defaults to "root"
07:05
<treyh>
but not jaunty yet either'
07:05
but not jaunty
07:05
someone suggested to me to try -u '' and -u ' '
07:05
but i haven't got a chance to
07:06
<chrisjrob>
i tried the -u '', but not the -u ' '
07:06
trying it now treyh !
07:06
<treyh>
chrisjrob: ty
07:06
it's a pain for me because I have to rebuild the image everytime lol
07:06
I need to switch to debian so I don't have to lol
07:07
<ogra>
you can switch ubuntu to nfs :)
07:07
<chrisjrob>
it is very convenient, in fact when modifying screen.d/rdesktop, I don;t even need to restart the client, i can just hit escape and it restarts rdesktop with the new options
07:07
<ogra>
but it will become slower
07:07
<treyh>
debian still using nfs?
07:07
<ogra>
yes
07:07
<treyh>
I'll stay with ubuntu then
07:07
I noticed a big difference on the clients i'm using between nbd and nfs
07:08
<ogra>
yes, nbd is lots faster
07:08
<chrisjrob>
does a gigabit network solve that performance issue?
07:08
<ogra>
no, because of the handling of the readwrite parts
07:08
<treyh>
I have about 70ish gateway profile 5's on one ltsp server
07:09
<ogra>
nfs has to bind mount every file that needs to be writable into a tmpfs
07:09
that takes its time on boot
07:09
<chrisjrob>
booting is slow :(
07:09
<ogra>
right
07:09
thats the reason i switched ubuntu to nbd in gutsy
07:10
<treyh>
ty for doign so, shaves off over 30 seconds on boot time for my clients
07:11
<ogra>
it enforces the image rebuilding though ... even though you usually only do it a few times if you actually need to make changes to the image
07:11
if its once as you like it there is no real need to rebuild
07:11
<treyh>
yea it's not that big of a deal
07:12
<chrisjrob>
treyh: -u '' ends up with '' in the username
07:12
-u ' ' cannot launch properly
07:13
<treyh>
yea I tried a few things and couldn't get it to work
07:13
I'm sure Gadi will have the answer
07:13
<chrisjrob>
-u \"\" ends up with "" in the username
07:13
-u \" \" cannot launch properly
07:14
<treyh>
you might try changing the line from being quoted with " to ' and not try the u option to make sure it works
07:14
then if it works, at the end put -u ""
07:14
inside the single quotes
07:17
<chrisjrob>
no good.
07:17
running rdesktop from a normal client with -u "" works just fine. odd.
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07:18
<treyh>
oh i bet i know hog
07:18
*how
07:19* chrisjrob is kept in suspense
07:19
<treyh>
chrisjrob: add a new line below where you were just testing
07:19
make it the same as above
07:19
but after the = sign just put u ""
07:20
like
07:20
RDP_OPTIONS = "-a 16 -r sound:local:alsa -r disk:drives=/media/root"
07:20
RDP_OPTIONS = -u ""
07:21
<chrisjrob>
okay
07:21
i would have thought that the second would replace the first, but i;ll try!
07:22
that will need a client reboot (i was editing screen.d/rdesktop launcher script before)
07:22* ogra doesn use rdp anywhere, but would try: RDP_OPTIONS = '-a 16 -r sound:local:alsa -r disk:drives=/media/root -u ""'
07:23
<chrisjrob>
that does look good ogra, i'll try it next
07:24
<treyh>
lol thats what I suggested earlier!
07:25
<chrisjrob>
yes, but i was working in screen.d/rdesktop, i think you assumed i was working in lts.conf
07:25
i had long since given up on lts.conf
07:25
(for this particular issue)
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07:25
<treyh>
yea you're right, sorry
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07:28
<chrisjrob>
tried both and looking at getltscfg -a, the parser is removing the null value just leaving -u
07:29
<treyh>
try putting a space " "
07:30
<chrisjrob>
on treyh's i got an lts.conf syntax error and ended up at ldm login
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07:30
<chrisjrob>
now rebooting with ogra's, but don't really expect it to work given the above.
07:31
<treyh>
yea but never know!
07:31
<chrisjrob>
that's why i'm here - to get ideas - i ran out of them!
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07:32
<chrisjrob>
this is where the slow booting gets really really tedious
07:33
<treyh>
how long for one client to boot?
07:33
<chrisjrob>
3mins
07:33
<treyh>
what are the specs on the client
07:33
<chrisjrob>
i've ordered a gigabit switch, because it's much quicker at our other site which has debian etch with a gigabit switch
07:34
intel atom 1.6
07:34
hangs for ages at the pxe dhcp
07:34
then hangs again for ages at the IP-Config stage
07:34
<treyh>
what kind of server is handing out dhcp?
07:34
ltsp, windows?
07:34
<chrisjrob>
ltsp
07:35
<treyh>
i know this sounds crazy
07:35
<chrisjrob>
hp proliant xeon quadcore 4gb ram
07:35
<treyh>
but when I switched to a windows dhcp server, my clients received dhcp faster
07:35
<chrisjrob>
ogra's gave a syntax error also.
07:36
<treyh>
darn
07:36
well if you get a chance to ask Gadi, he'll know
07:36
i might chance mine to YOURNAMEHERE
07:36
lol
07:36
*change
07:36
<chrisjrob>
Please_overtype
07:37
<treyh>
* thinks should I go to work now, or in 30 minutes
07:37
<chrisjrob>
not ideal though, and i will get support calls, as the user will put their password and not change the username
07:37
thanks treyh
07:37
<treyh>
yes same here, you work for a school?
07:38
<chrisjrob>
no, we're motor dealers
07:38
<treyh>
chrisjrob: thanks for testing
07:38
<chrisjrob>
family business, and i've foisted linux on them!
07:38
<treyh>
wow very nice
07:39
<chrisjrob>
biggest problem is that the majority or corporate extranets are Internet Explorer only
07:39
and i did not expect that.
07:39
<treyh>
I'm currently the network admin of 3 different school districts and they are taking to ltsp quite nicely
07:39
<chrisjrob>
what country?
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07:40
<treyh>
united states
07:40
what is an extranet?
07:40
oh i read about it on wiki
07:40
<chrisjrob>
just an intranet really
07:40
but for business partners etc.
07:40
<treyh>
an intranet that customers can access
07:41
<chrisjrob>
we have major issues getting linux and open source into schools in the uk
07:42
<treyh>
how so?
07:42
do you already work at the schools?
07:42
with schools it's all about trust
07:42
<chrisjrob>
no, but i have an interest in open source.
07:42
the problem in the uk is that afaik they have to buy from approved suppliers
07:43
and until recently there were no approved open source vendors
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07:43
<chrisjrob>
now there is one, so hopefully things will improve.
07:43
<cyberorg>
chrisjrob, i am sure novell and rh are approved vendors
07:44
<treyh>
could you not just buy the hardware, and then give them ltsp?
07:44
not sure how it works over there
07:44
<cyberorg>
you can add oracle to the list too, they own sun now :)
07:45
<chrisjrob>
i am thinking of doing that with our local primary school treyh
07:45
<treyh>
over here at schools the government has erate and it's tough to work things
07:46
<chrisjrob>
novell is on the list, but not sure about sun
07:46
<treyh>
the big thing that I've found with schools
07:46
is that if you over emphasize how great something is, they're skeptical
07:47
because they think you're pushing too hard
07:47
when I've shown them, I showed them how it worked, told them what it could save and do for them, and didn't push very much
07:48
has anyone ever tried to run ltsp over a wan?
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07:49
<chrisjrob>
it's come up countless times in the mailing list
07:49
<treyh>
i can see it working but need a faster internet connection
07:49
<chrisjrob>
have you used freenx?
07:49
<treyh>
nope
07:49
<chrisjrob>
we have it installed on our ltsp servers
07:50
for remote access over broadband connections
07:50
works very well
07:50
<treyh>
cool
07:50
smoothes things out on a bad connection
07:51
do you install it on the ltsp server and chroot or just the ltsp server
07:51
<chrisjrob>
uses ssh, but seems to apply lossy compresion
07:51
very efficient, although you lose crispness of display
07:51
you just install on the server.
07:51
<treyh>
when using rdp locally, does it make rdp better?
07:51
<chrisjrob>
NoMachine.com do a free-as-in-beer restricted NX server, but that is not NX
07:52
s/NX/freenx/
07:52
you don't tend to use freenx locally, unless you are connecting from a fat client
07:53
not sure quite what you are asking, sorry
07:53
<treyh>
gotcha
07:53
you know how rdp can be laggy at times
07:53
<chrisjrob>
do you use the compression switch?
07:53
<treyh>
while watching video and etc.
07:53
nope
07:53
i would like my users to be able to watch videos with lag but they can't
07:54
does the compression switch do the trick?
07:54
<chrisjrob>
might try -z for compression, and -x modem - not sure how much difference it'll make
07:54
<treyh>
-z and -x modem together
07:54
?
07:54
<chrisjrob>
being a business, video is not very important to us
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07:55
<chrisjrob>
can do treyh, they do different things man rdesktop for details
07:55
<treyh>
yup reading now ty
07:56
wow does make a difference
07:56
i've used -z before, but didn't notice anything
07:56
but with -x broadband seems to be working better
07:56
<chrisjrob>
yay!
07:56
<treyh>
i'm accessing one of the TS's over the internet
07:56
and it is about as laggy as when I'm sitting right next to it
07:56
so right next to it should be better
07:57
<chrisjrob>
well nx/freenx is to linux, as rdp is to windows
07:57
<treyh>
so nx is the remote client
07:57
interesting I didn't know that
07:57
i'll have to read up on it
07:57
<chrisjrob>
i mean in terms of what they do, enabling a remote logon
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07:58
<treyh>
yea I'll read up on it
07:59
<chrisjrob>
should be as easy as adding https://launchpad.net/~freenx-team/+archive/ppa
07:59
then apt-get install freenx
07:59
<treyh>
cool
07:59
wow
07:59
i can almost watch a streaming video
07:59
<chrisjrob>
but i haven't installed since this new repository
07:59
<treyh>
over this rdp now
08:00
chrisjrob: ty for the info
08:00
<chrisjrob>
:)
08:00
<treyh>
* is off to work, I love fridays, I usually only have to work a few hours at this customer site
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08:10
<fs001>
Hi all I am using Debian Lenny LTSP5. lts.conf LDM_DIRECTX=True not working. still login via ssh.
08:12
I dont want to login via ssh. I like ldm as it is very lightweight than gdm
08:13
Hi all I am using Debian Lenny LTSP5. lts.conf LDM_DIRECTX=True not working. still login via ssh. I dont want to login via ssh. I like ldm as it is very lightweight than gdm
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11:32
<treyh>
anyone running jaunty or lenny resolved the blank username for rdesktop yet?
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12:12
<Gadi>
treyh: edit the screen script (or wrapper if you have one) and add -u '' on the same line as rdesktop
12:12
because of the empty string, it has to be inline with the call to rdesktop
12:21
<treyh>
screen script?
12:21
Gadi: so not in lts.conf ?
12:25
<Gadi>
right
12:25
/opt/ltsp/i386/usr/share/ltsp/screen.d/rdesktop
12:25
if you put it in lts.conf, by the time it gets to the screen script, it shows up as: -u (with no argument)
12:30
<treyh>
gotcha
12:30
ty
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12:55
<rcmysoft>
ich habe ein Problem mit meinen LTSP Server 5.1.29 Ubuntu 8.10 mehr mit nbd habe 10 Clients baugleich DellGX110 wenn ich sie als thin clients boote startet meistens nur einer bis zum Login die anderen bekommen ein fehler beim Booten "nb0: Attemptef send on closed socket" und hören mit der Panic auf und lassen sich und hard rebooten. Hat einer ein Idee? Oder vielleicht gibt es ein ltsp irc? Danke.
12:56
<vagrantc>
rcmysoft: auf englisch, bitte
12:56
<rcmysoft>
uhh sorry i will try it in english
12:59
i have a problem with my ltsp Server ubuntu 8.10 more with the nbd stuff. I have 10 DellGX10 clients. When i try to boot most only on will boot up to the login screen. The res breaks the boot with "nbd0: Attempted send on closed socket" I can only hard reboot. Any expereance. Can somene help me? Thanks.
13:06
no Idea? It is a ltsp 5.1.29 server
13:09
<Gadi>
could be the network driver is flaky
13:09
try a different network card
13:09
if you can
13:11
<rcmysoft>
i tried 2 network cards with the same result
13:11
<Gadi>
any messages in the server logs?
13:13
<rcmysoft>
uhhh there were al lot of different messages in the syslog cant remember all but as i remeber the socket connection was lost and the did not reconnect but the have the persist option
13:15
i testet different network cards on the server not on the clients but they have 3c905c
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13:17
<Gadi>
ah, yeah - I meant try a different network card in the client
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13:27
<rcmysoft>
are you sure they sometimes boot but only one of them at one they are different
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13:31
<Gadi>
http://ubuntuforums.org/showthread.php?t=790309
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13:34
<Gadi>
rcmysoft: I would try either a different network card in the client or see if there is an update to the kernel used for the client
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13:37
<rcmysoft>
ok i will try. ist it possible to run two different kernels on the client an the server or they have to be the same?
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13:38
<ogra__>
Gadi, if the card was ever used under windows the driver loks some registers and the card cant autonegotiate anymore ...
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13:38
<Gadi>
ogra__: !!!
13:38
when did you get your underscores?
13:39
:)
13:39
<ogra__>
rcmysoft, did the clients ever run windows ?
13:39
Gadi, with my new car :)
13:39
<Gadi>
NICE
13:39
:)
13:39
<ogra__>
(no, i'm sitting in the living room)
13:39
<Gadi>
mine only came with payments :P
13:39
<ogra__>
heh, i paid mine cash
13:39
<Gadi>
ah - the living room has underscores
13:40
<ogra__>
heh
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13:41
<ogra__>
rcmysoft, fuer die karte gibts n tool von 3com um die vergurkten register zurueckzusetzen, such dir dass im netz, boote die clients damit und es sollte gehn
13:41
(ist n floppy image)
13:41
(sorry for the german, guys :) )
13:42
<laga>
;)
13:42
<rcmysoft>
i think in former time yes. Ibought them from a second hand shop
13:42
<Gadi>
I have been apologizing for the german guys for a while now
13:42
:P
13:42* ogra__ hands Gadi a waldorf salad
13:43
<rcmysoft>
orga_ meinst du ein dos tool
13:44
<ogra__>
rcmysoft, ein dos floppy image, ja
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13:46
<rcmysoft>
i tried to ask him somethin. He means that the rgister of the card can be resetet by a 3 com tool i asked him if it is a dos tool i cant find such a tool
13:47
mist kann auf die schnelle so ein tool nicht finden uhh dieses dos
13:51
i just found something for setting static irq but i think it isint ment
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14:00
<rcmysoft>
perhaps the 3Com DOS-Konfigurations Program
14:03
so as i understood if a windowsystem was running with the 3com card the rom register a damaged?
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14:37
<rcmysoft>
ok found something here http://www.3com.com/products/en_US/result.jsp?selected=all&sort=effdt&sku=3C905B-TX&order=desc this 3c90x2.exe can reset the half duplex and fullduplex stuff an I/o and so did you mean it?
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14:54
<rcmysoft>
this is also good article hope thats the thing http://digital.ni.com/public.nsf/allkb/FD24D98FF428F21686256B64007FB6C1
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14:58
<chupacabra>
oink
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15:07
<Lns>
chupacabra: moo
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15:28
<alkisg>
...and for the non-native speakers, here's the full vocabulary to understand the dialog between Lns and chupacabra: http://www.britishcouncil.org/kids-print-animal-noises-key.pdf
15:29
:P
15:29
<Lns>
alkisg: maybe i should put that on the wiki...? =p
15:29
muekow
15:30
<chupacabra>
Phaha
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15:31
<alkisg>
Oooh right!!! Hehe I can still remember how funny it seemed to me that the rooster sound is "cock-a-doodle-doo" in English :)
15:32
<Lns>
hahaha...reminds me of the Family Guy episode when Stewie was using the British version of the animal sounds toy
15:32
"The elephant goes, 'BWWAAAAAP' !" .... "Yeah, kinda.."
15:32
<alkisg>
Oh, the British sounds are different than the USA ones? :-[
15:33
<Lns>
alkisg: I dunno if there's an official standard for any one country... ;)
15:33* alkisg looks for an international english sounds dictionary
15:33
<Lns>
Language as a whole is kind of ineffective imho
15:33* Lns prefers telepathy
15:34
<alkisg>
Mmm I still use pidgin
15:34
:P
15:34
<Lns>
haha
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