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


Channel log from 9 May 2010   (all times are UTC)

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06:35
<asymptote>
How do you create accounts for ltsp clients to login - or are they just regular user accounts you create on the LTSP server with System->Administration->Users&Groups?
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07:56
<Appiah>
asymptote: do you only use one server?
07:56
then yes its regular users on the server
07:56
<asymptote>
Appiah: yeah
07:56
oh ok
07:56
<Appiah>
if you use multiple servers consider using ldap
07:57
<asymptote>
well I'd probably just put ldap on the ltsp server if I wanted to do that
07:57
I would like to get into using ldap at some point but for now I just want to try getting this ltsp to work
07:58
i'm going to try it now
08:01
Appiah: yeah I can't seem to get past the "verifying password" screen
08:02
<Appiah>
do you get a error?
08:02
"no response from server" or similar
08:02
<asymptote>
yeah
08:02
I haven't googled that error
08:02
it's prolly common I assume
08:02
<Appiah>
well it can mean
08:02
<asymptote>
I dunno if I even built the client image - I thought it did that automatically
08:02
<Appiah>
* wrong user/password
08:03
* run ltsp-update-sshkeys and ltsp-update-image
08:03
<asymptote>
yeah I'm pretty sure I have the right user//pw depending on if I created the user account correctly
08:03
update-image seems to be doing something
08:03
btw I really appreciate you replying
08:05
bah, no response again
08:06
looks like it worked this time
08:06
after I ran update-image, I tried logging in again and it didn't work, so the client rebooted
08:06
and it said "newer version of the image available - rebooting in 10 secs"
08:06
and then I tried logging in again on the client and it worked this time
08:07
so Appiah thanks a lot
08:07
dual nic works - got a network connection on the client
08:09
Appiah: let me ask your opinion - don't you think on this wiki http://is.gd/c1g0A it should say "create a user account and then run ltsp-update-image ?
08:09
<Appiah>
Nono
08:10
it has nothing to do with creating users
08:10
<asymptote>
mmmm
08:10
well I don't see how ltsp will work if you don't create a user account for the client
08:10
<Appiah>
but ltsp-update-sshkeys and ltsp-update-image can fix "no response from server" when something recently changed and you forgot to run ltsp-update-image
08:10
like switching ip or updating kernel
08:11
was just a possible solution
08:11
<asymptote>
I disagree with you and I'm editing the wiki anyway
08:11
what good is ltsp if a client can't login
08:11
<Appiah>
I think you are mistaking me now
08:12
if you read the mailinglist and check for people who had the problem "no response from server" it usally fixes with ltsp-update-image
08:12
<asymptote>
ok sorry if I was
08:12
<Appiah>
hence I suuggested you do that
08:13
but check /var/log/messages
08:13
it should give you a hint on why the client couldnt log in
08:13
<asymptote>
but if you don't create a user account
08:13
or any account for that matter
08:13
how can the ltsp client login ?
08:13
<Appiah>
the server should have one user already?
08:13
all ubuntu installs make you create a user right?
08:14
anwyas asymptote check /var/log/messages , it should tell you exactly the error "no response from server" is a pretty general error in LDM
08:14
can be a problem in lts.conf too
08:15
<asymptote>
yes the server should have 1 user
08:15
definitely
08:15
I just think that would be a little clearer
08:15
I dunno - I'm a newb so that's prolly why
08:15
as for the error message yes you can find that but it seems you should run that command regardless
08:16
<Appiah>
I dont know what the quick installer does and not so sorry cant comment on the wiki
08:16
<asymptote>
as a final step to any installation
08:16
k np
08:16
<Appiah>
like I just wrote, I dont know what the alternate does and does not
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08:17
<jammcq>
hey kids
08:17
<Appiah>
I do my LTSP installs by hand
08:17
jammcq is a expert he might know :)
08:17
<jammcq>
heh
08:17
<Appiah>
but just check /var/log/messages asymptote it will be much easier
08:17
<jammcq>
been a long time since I knew anything helpful in ltsp
08:17
<Appiah>
aaw cmon jammcq :)
08:18
and I got to go now \o
08:18
<asymptote>
yes I see the error message I just think the error can be avoided if on the wiki it states you run ltsp-update-image
08:18
<Appiah>
asymptote: did it help?
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08:19
<asymptote>
yes it did
08:19
<Appiah>
oh
08:19
<asymptote>
running that command did
08:19
<Appiah>
did you change IP after installing the LTSP?
08:19
<asymptote>
yeah but I ran update-ssh-keys or whatever per the wiki's instructions
08:19
<Appiah>
ah
08:19
<asymptote>
also I did an amd64 installation and you have to modify anything that says i386
08:20
<Appiah>
then I see why you want to edit the wiki
08:20
its old
08:20
<asymptote>
to amd64
08:20
well
08:20
fall of 09
08:20
yeah I'll edit it
08:20
<Appiah>
Are you installing on Hardy btw?
08:20
<asymptote>
oh hell no
08:20
10.04 man
08:20
<Appiah>
well then thats why
08:20
I think the ltsp-update-sshkeys changed since then
08:20
so the wiki might not be wrong
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08:20
<Appiah>
just not updated for 10.04
08:21
<asymptote>
that command works
08:21
<Appiah>
now I really gotta run
08:21
<asymptote>
I ran it before
08:21
k well ty for the help
08:21
<Appiah>
yes but what the script DOES maybe changed!
08:21
:D
08:22
maybe request it to be updated for 10.04 instead of changing it for people who still want to run hardy for some reason >_>
08:22
<asymptote>
I can just put in a 10.04 section
08:22
<alkisg>
That would be best. Which page is that?
08:22
<asymptote>
http://is.gd/c1g0A
08:23
<alkisg>
...and what is it that changed in 10.04?
08:24
<asymptote>
I don't know of anything that did - but Appiah was suggesting that perhaps the update-sshkeys script may have changed
08:24
<alkisg>
It did change, but not its general functionality
08:24
<Appiah>
*sigh*
08:24
<asymptote>
all I wanted to do was add some entries like stating that you have to run ltsp-update-image
08:24
<alkisg>
I don't see anything in that wiki page that needs to be changed... am I missing something?
08:24
<Appiah>
he couldnt log on , and i suggested he ran ltsp-update-image and it worked
08:25
<asymptote>
well I had to create an account too
08:25
alkisg: you cannot log into a client with the directions that are present on that install guide
08:25
<Appiah>
and I'm just saying maybe alternate installer is different from 8.04
08:25
_maybe_
08:25
<asymptote>
look i'm going to edit it and if someone else wants to remove it that's their business but I think it's incomplete
08:25
and misleading
08:25
<Appiah>
and the wiki needs to be updated for 10.04
08:26
<alkisg>
asymptote: you should. I you couldn't, and you needed to run ltsp-update-image without your IP being changed, then that's a bug
08:26
Not an error on the wiki
08:26
<Appiah>
clear!
08:26* Appiah waves
08:30
<asymptote>
well editing the wiki will take much less time than a bug being fixed
08:30
so in the meantime
08:30
the wiki will be changed
08:31
oh actually
08:31
it says to run update-image
08:31
already
08:31
hmm...I didn't see that before
08:32
<alkisg>
asymptote: please don't change the wiki if it is a bug
08:33
Either file a bug (the best option) or wait for someone else to file it.
08:33
You could make a referense to the bug number in the wiki,
08:33
<asymptote>
why
08:33
I'm not going to because it says in the wiki to run those commands
08:33
but suppose it didn't
08:33
<alkisg>
but it wouldn't be OK to change the instructions so that the people assume that that's the correct way to do things, when it isn't
08:34
Generally, you don't need to run ltsp-update-image after installing from the alternate cd
08:34
<asymptote>
so I'd just add an entry and say "oh btw a bug report has been filed"
08:34
<alkisg>
If one needs to run it, then he either changed his ip, or it's a bug
08:36
<asymptote>
well guess what alkisg
08:36
you DO need to run it, it IS a bug, and someone put a wiki entry stating that
08:37
so either way you lose
08:37
<alkisg>
What do I lose?
08:37
<asymptote>
unless you want to just waltz in there and remove the entry
08:37
<alkisg>
If it's a bug, just file it on launchpad so that we can fix it
08:38
I do know that ltsp-update-sshkeys was a little broken
08:38
<asymptote>
it's been filed, as I've already stated
08:38
<alkisg>
OK, what's the bug # ?
08:38
<asymptote>
144296
08:38
<alkisg>
OK, just mention that bug # in the wiki.
08:38
<asymptote>
it says it at the bottom of the wiki
08:38
IT'S ON THERE
08:38
<alkisg>
ok
08:38
<asymptote>
AR EYOU BLIND
08:39
I TOLD YOU THREE TIMES NOW
08:39
<alkisg>
asymptote: are you ok man?
08:39
<jammcq>
whoa
08:39
<asymptote>
nah ttyl
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08:39
<jammcq>
someone needs to settle down
08:39
I guess someone woke up grumpy this morning
08:40
<alkisg>
Did I say anything wrong without realizing it?
08:40
<jammcq>
nothing that I could tell
08:40
<alkisg>
Ty... :-/
08:41
BTW, #144296 is a gutsy bug... not valid on lucid...
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09:23
<bcgrown>
hi, anyone know how I can connect to an LTSP server from within xubuntu?
09:24
i've installed ldm but i'm not sure how to use that instead of gdm
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10:36
<Appiah>
well I'm back and ... whooooa
10:36
man that guy was angry O_o
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11:05
<alkisg>
bcgrown: are you trying to install ldm on a standalone machine and connect to an ltsp server with it?
11:05
<bcgrown>
alkisg, yeah. i have an xubuntu laptop that i want to use as a client. i also want to retain the normal xubuntu functionality, though
11:06
<alkisg>
bcgrown: we usually don't use ltsp in that case, but e.g. neatx or something similar
11:06
(vnc, xdmcp, ssh -X etc)
11:07
<bcgrown>
alkisg: I don't want to do that because I use the server as a htpc
11:07
alkisg: I haven't found a good way to run a whole gnome-session over ssh _X
11:07
<alkisg>
bcgrown: and? neatx runs a gnome-session over ssh...
11:07
<bcgrown>
hm
11:07
i didn't know that
11:07
<alkisg>
(==freenx, nx server etc)
11:08
bcgrown: what distro/version is the ltsp server?
11:08
<bcgrown>
alkisg: 5.2.1 running on mythbuntu. it sounds like nx might be easier though?
11:09
<alkisg>
bcgrown: I meant the distro version... is that e.g. like karmic or like lucid?
11:09
<bcgrown>
lucid
11:09
<alkisg>
OK, then neatx is your best option
11:09
sudo add-apt-repository ppa:freenx-team
11:09
sudo apt-get update
11:09
sudo apt-get install neatx-server
11:10
That's all on the ltsp-server side
11:10
On the client, you just download the nx client from the nomachine site
11:10
(google it it comes first on the results)
11:10
<bcgrown>
but I will have to install ubuntu-desktop on the server, right? the last time i tried that it didn't play too nicely with the existing xfce desktop
11:10
<alkisg>
No reboots/logoffs etc necessary, it just works...
11:11
Hmmm I'm not sure about that. Shouldn't neatx work with other desktops? I really don't know...
11:11
Did you try neatx or freenx?
11:11
<bcgrown>
yeah but i want to keep the xfce desktop on the server and run a gnome desktop on the client
11:11
<alkisg>
Er, wait, how are you planning to do that?
11:12
Install both desktops on the server?
11:12
<bcgrown>
yes
11:12
<alkisg>
Sure, the client has an option for the desktop in that case
11:12
You just select "gnome" from the nx client
11:13
<bcgrown>
alkisg: the problem is that gnome installs some things that conflict with xfce, like the volume daemon for instance. speaking of which... i also want to be able to send audio to the client, and use the client's usb devices
11:13
which is why I thought LTSP was the thing to use
11:14
the whole reason for doing this by the way, is that my server is fast and my laptop (client) is old and slow
11:14
<alkisg>
ltsp doesn't play nice if you don't boot with it
11:14
It'd be nice to have ldm work like you say, and it may be implemented in the future.
11:14
But currently, just installing ldm to a standalone pc doesn't work as expected...
11:15
Why don't you want to boot with ltsp?
11:15
<bcgrown>
an X-forwarded gnome session still uses the server's USB i believe\
11:15
<alkisg>
Yes. And it also uses the sound card of the server...
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11:15
<bcgrown>
well i've read that can be forwarded with pulseaudio
11:15
<alkisg>
Sure, that's what ltsp does
11:15
<bcgrown>
alkisg: boot ltsp on the client? i have no problem with that
11:16
<alkisg>
bcgrown: that's what ltsp is for
11:16
To boot the client with it, so that everything (sound etc) plays out of the box..
11:16
<bcgrown>
yeah that's not a problem, i can dual-boot with xubuntu
11:17
<alkisg>
Do that then, it'll be much more straightforward
11:17
<bcgrown>
i thought edubuntu could do it but when i tried the livecd it only had an option to test an ltsp server
11:17
is there a better distro to use?
11:17
(for the client)
11:17
<alkisg>
test an ltsp server ==> isn't that what you want?
11:17
(test, and then, install it...)
11:18
You don't need an OS on the client
11:18
It boots from the network
11:18
<bcgrown>
hm
11:18
no wonder i couldn't find it then!
11:18
<alkisg>
You don't install anything on the client, it doesn't even need to have a disk
11:18
<bcgrown>
lol
11:18
can that be done over wifi
11:18
<alkisg>
Nope
11:18
(not easily)
11:18
<bcgrown>
what's the difficult way?
11:19
it's no use to me if i have to be wired
11:19
<alkisg>
In your case, you could put the ltsp kernel in your local disk, include the wifi driver in it, and modify the initramfs to setup the connection, and then chainload to the ltsp server
11:19
<bcgrown>
ugh
11:19
<alkisg>
I'm not sure if it's worth it
11:20
<bcgrown>
isn't there any software that can retrieve the relevant boot info over the network? that i could use with a minimal linux or something
11:21
<alkisg>
Generally, wireless booting isn't easy
11:21
<bcgrown>
durn
11:22
<miklove>
How do I re-create nbi.img without doing a ltsp-build-image?
11:37
<bcgrown>
alkisg: trying to boot pxe wired now... but I'm a little confused about DHCP. won't my router try to give the client an IP address?
11:37
<alkisg>
bcgrown: typically an ltsp server has 2 nics. The second one is on a different switch, so it gives IP addresses to the thin clients connected there.
11:38
If you got everything on the same switch as the router, and you don't want to disable dhcp on it, a suitable solution is this: https://help.ubuntu.com/community/UbuntuLTSP/ProxyDHCP
11:38
<bcgrown>
ugh, that looks complicated
11:56
hmm, doesn't seem to work on my old machine anyway :(
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