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Hello. Does someone have exprience on connection problems of playing flash video content?
Hardy 8.04 in question.
I do of course understand that playng video is not that easy task on LTSP.
flash video are slow ?
This problem however is that the playing does not even start.
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For example this link: http://areena.yle.fi/video/981819
I get a network connection error report.
Hello all :-p
Is there a general problem with flash video when running 32-bit clients on 64-bit server?
does anyone try to install google-chrome as a localapps on LTSP-cluster 10.04 ?
I have a error : Failed to bind() /home/david.allard/.config/google-chrome/SingletonSocket: Opération non permise
Guerdal82: UUhhhh.. sounds like a pain in the butt....
what I have do wrong ? if anyone known :-)
It function very well with LTSP on ubuntu 9.04
Guerdal82: I think it needs FOLLOW_SYMLINKS=False
Yes I try but that don't fix the problem :-(
SSH_FOLLOW_SYMLINKS or FOLLOW_SYMLINKS ?
how do I know that the parameter is well passed to the thin client ?
alkisg: "localxterm" :: while sitting on a thin client, open a gnome terminal. In that, run: ltsp-localapps xterm. An xterm will open. That xterm runs locally, so any commands you enter there are executed directly on the client.
In that xterm, run: getltscfg -a
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ok I try that
Where's your lts.conf?
nothing with getltscfg -a but I have all my parameter with getltscfg-cluster -a
the config from the ltsp-cluster-admin : http://pastebin.com/7JHt4mre
Ah, sorry, no idea about cluster.
Google chrome worked fine for me with SSH_FOLLOW_SYMLINKS=False
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thanks for the try, I'll continue to search the problem later :-)
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i have a wierd problem booting up ltsp clients
sometimes (at random) the booting process stops and you have to turn off the client to try booting again
after 1/5 tries it boots normaly
so after a bit of debuging, i got it to /etc/init.d/ltsp-client-core
this line -> start_sound || true
or just before it
is there any developers docs?
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maybe someone of you guys can give me a hint
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after upgrading from 8.04 to 10.04 i can't connect to the X-server
the users .xsession-errors states 'permission denied'
did you `ltsp-update-sshkeys`
in 8.04 isn't ltsp still version 4 ?
and an ltsp-update-image
at least it was ltsp over nbd running before
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you boot fine, ldm starts and when you login it says "permission denied" ?
no, i just get thrown back to ldm
ich find this line in the users .xsession-errors
i tried false credentials, at least then i get a message at LDM
well, i dont know enough ot ltsp to help from here
fly23 can you ssh to your server and login with client user/pass
that way i can read the users .xsession-errors
and thats the only clue i have
"open: Permission denied"
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Hi guys! Does anyone know if LTSP 5.2 on Ubuntu 10.04 LTS supports an auto-login configured in lts.conf?
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PMantis: in [ethernet-addr] section LDM_USERNAME & LDM_PASSWORD should work
It's Chuckie. LOL
havnt seen you for a while..still in ny?
nice to see the old 4.2 ltspers around
Heh, yeah. I'm a little rusty, and LTSP 5.x is a bit of a strange concept.
No RJune today?
I like to pick on him. LOL
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rjune is like you..pops in once in a while to refresh..
vizz: So, [ethernet-addr] section? I assume you're talking about replacing "ethernet-addr" with IP or MAC...
ltsp5 still daunting for me as well..cause i have lost my labs..
cliebow: Really? I must have been lucky then. :)
well..they went one to one with frigging macbooks
cliebow: Oh no! You had a good thing going up there! School admins can be annoying.
so the macbooks are dropping like flies..sometimes literally..we have one guy dedicated just to sending them back for brokeb screens..
For that, you'd think it'd be a benefit to have screens in stock and replace them right there.
yeah.. we have to go get certified as apple depot
the macbooks are a bastard to work with
PMantis: with mac, right
Well, at least they didn't go with windoze lappys!!
i put a screen in one last year and sent it home for the weekend with a kid..damn thing caught on fire
somehow i pinched the video cable..
every screw holding them together is a different size
vizz: I think I have this right, but no login. I just changed the resolution and it booted to the new resolution, so I KNOW it's reading the lts.conf. Any log to check?
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vizz: Ohhhhhh, I found it. LDM_AUTOLOGIN = True
|08:38||* PMantis tests again|
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Hmm, almost works. LDM keeps starting/ stopping... maybe password is wrong.
auth.log confirms it.
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hello, I have a question about config of ltsp-cluster. Does anyone can handle this here ?
Guerdal82, try back in a bit..i amhaving senior moment who to talk to
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fly23: did you changed IP of the server? maybe you have to regenerate the ssd keys in chroot, or something like that (newbie here)
cliebow : Ok I try later
vizz: All is working, I adjusted the session settings, and ONLY firefox is opening.
Now to get the we app to auto-login for this thin client. :)
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hey guys, i think i messed up dbus somehow. gnome-screensaver and nm-applet keep segfaulting and are not loading on my terms
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denisesball: We see something similar every couple weeks here. Unfortunately, we haven't found a fix and the only workaround is rebooting. Not pleasant when there's 50 administrative and service staff on a server.
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give me a j
give me an qa
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|11:09||* ogra tries to pronounce|
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atkuepker: i couldve swore it was working, i thought removing some unnecessary packages broke it. sucks not having screensavers
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kusznir: you have any progress since yesterday?
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thunsucker: some...more stuff broke, which pointed to a catastrophic failure of my authentication/authorization system.
kusznir: no fun....so it was the rain before the storm
kusznir: sorry to hear
Still trying to get my network back online....
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Ok, I think I got my 9.04 server back up....had to restart a chunk of my infastructure.
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stgraber: could you have a look at this failed ltsp build log?
It was built successfully for i386, but failed for amd64, with the following error:
dpkg-shlibdeps: error: couldn't find library libpopt.so.0 needed by debian/ltsp-client-core/usr/bin/getltscfg (ELF format: 'elf32-i386'; RPATH: '').
Ok, Its only partially fixed, but I'm pretty sure this problem is still auth related..Attempts to ssh in hang an inordinate amount of time, then once logged in, its another inordinate amount of time before my user prompt is delivered.
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kusznir: honestly still sounds like dns
kusznir: once ssh'ed in, do ping 126.96.36.199
then do ping google.com
does it hang for a couple seconds pinging google.com but not 188.8.131.52?
Both returned immediately.
I also pinged some local hostnames, and they also returned immediately. No DNS delays here.
(unless its trying to do a very specific lookup)
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So, doing an ls in my home directory share (/net/files/home/) returns quickly, but an ls -l takes forever.
And yet, getent passwd returns quickly...
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So, question out there: can I have a cluster of ltsp "machines", one of which is exclusively dedicated to serving up thin clients' OSes (nbd primarily), and NOT have that machine joined to the central authentication system, or will that break things (like localapps)?
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kusznir: I'd try running: nslookup ip.of.ltsp.client
See if *reverse* DNS is OK.
stgraber: now that there's an upstart job for poweroff/reboot -fp, can I delete the -fp parameter from the other source (shell/C) files? They cause unclean shutdowns for me, and I've checked with vagrantc, he also doesn't want the -fp there...
alkisg, things are working fine iwth lucid :)
EXCEPt sound on my server :)
Heh, is that an ltsp-related problem?
i only have sound on the front panel headphone
no.. it's not
the ltsp part went fine
i'm not sure if i agree with those whole mess about moving the close/minimize/maximize buttons
johnny: Sounds like the mobo and front audio cables don't agree. I've seen that... unplug front audio header and rear audio works again.
not sure why they did it without adding the new feature they hope to replace it with
PMantis, it's never been a problem before
or rather.. it has been a problem before.. on each release
i have to force the model sometimes
and sometimes not
the problem is a driver problem
johnny: Very odd indeed, then
it worked fine in hardy, then broke on each release up to karmic
johnny, alkisg greets
and then went fine on karmic
broken on karmic in that the sound would go.. and then stop after about 5 seconds
that got fixed by forcing the model
johnny, I'm just running new saabayon... looks really nice
not sure how related to gentoo it is anymore
other than using emerge
I'm trying to install chrome OS on it
i have no idea of the sabayon os
never used it
be more specific in this room nubae , you should know better :)
its hihgly related to gentoo though
i know what it is
but say sabayon os..
the most relevent usage of sabayon here is the gnome program.. not the gentoo based os
gotcha now ;-)
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what's up alkisg
I've tried booting a thin client with 128mb ram off of a thin client chroot
Worked like a charm - but I have cron off
So I commited a patch to ltsp, so that now clients with low ram are automatically booted as thin
So in most cases now it isn't necessary to have 2 chroots, one suffices, and you don't have to specify LTSP_FATCLIENT=false either
alkisg: oh ok, you meant you booted a 128mb client in a fat client chroot
alkisg: well, I think that is a good concept - but there should be other things to consider as well, such as CPU speed
lns, it's working as a thin client, not a fat client
and hopefully a variable for the admin to choose their own limits
alkisg: right - but it was technically booted to a fat client chroot
Lns, I'm talking about that paragraph that you wrote: https://help.ubuntu.com/community/UbuntuLTSP/FatClients#Separating%20chroots
That it isn't necessary
If one has a fat chroot, he doesn't have to have a thin chroot as well for low ram clients
Did I write that? Haha
|15:22||* Lns needs ECC in his noggin|
that's great alkisg, I think that will help a lot of people out
About that variable, yes, I put a FAT_RAM_THRESHOLD parameter
...with a default value of 300MB
|15:24||* Lns thinks of some cool additions to alkisg's idea - something like THINRAM_THRESHOLD=n (integer, number of megabytes of RAM to consider "thin" booting in the chroot)|
ok i need to read what you write first
Heh, too late for your idea, it was already implemented this morning ;)
that is awesome!
Ugh, I forgot to make it MB though so it's on KB, I'd better change that...
I was trying to figure out, a while ago, how to symlink between chroots to avoid having to make changes in both when desired..this bypasses that whole thing
The fat chroot I was trying with actually needed less RAM than my thin chroot, I need to invistigate why...
|15:32||* alkisg just booted an 64mb client, cool!|
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alkisg: ubu 10.04?
Lns, yup, but it's not published yet, I'm using the trunk
(for the ram threshold - the fat chroots should be able to boot thin clients with 64MB in the standard lucid installation)
(with cron = off)
alkisg: what exactly doesn't get used in a thin vs. fat client chroot besides the running of most apps locally? anything?
what's the big deal with cron? it doesn't use much ram right?
Cron doesn't, but the software-update etc that it runs, do
So if those are launched in 64mb clients, they'll just crash
(some cron jobs also affect thin chroots as well)
E.g. an apt-xapian-index update will need lots of ram to store the updated database
ah...sucks though since cron can provide a lot of good functionality even for low ram clients, custom scripts, etc.
Lns, the best way is to run the jobs on the server, not on the clients
I have a network backend where each client offers the server a reverse shell
So the server can execute arbitrary commands on the clients, even with cron etc
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...and that only consumes 1 mb on each client (=a /bin/sh)
I hope I can find some time to package this separately from sch-script, so that others can use it...
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alkisg: you are great.
network backend = schscripts?
Yup, a part of it
There's also another network backend for users, where each user offers a reverse shell to the teacher
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...but that would be mostly useful in schools, not in business
So the user can get screenshots or lock their screens etc, again with just 1 mb of ram
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just finally got around to testing LTSP on powerpc.
had an excuse to use it for freegeek.
how did it test out?
ldm came up and was able to log in without a hitch
this is a pretty dated version of LTSP... debian stable
well, things aren't nearly as good as stuff, but they're holding their own.
i'm still struggling with udev issues in debian/squeeze :(
ltspfs isn't working as well as i'd like.
jammcq: how goes it your neck of the woods?
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hi, our company got an ltsp server and a few clients, we asked to have them auto login at boot but the IT company who set them up said its not possible, is that the case ?
it sure is possible
2 different ways
and there's also guest account support, but that involves creating more users on the server side, i use that at my internet cafe
i want each client to auto login into a different user
say , client one boots into "user1", client 2 boots into "user2"
the only problem with the regular autologin, is that you can't actually log out if not using gnome
so i somehow tie user login preferance to MAC address ?
a gnome that includes a patched gnome-session (i think)
so.. another option is tied autologin
so they can log out, and then choose shutdown from the main login page
sorry.. i emant.. you can't actually shutdown properly
well, each client is dedicated to a user so there is never a need to log out
well, what you do , is edit the lts.conf file and set
belive it or not, the users are used to the windows logon and cannot figure out that they need to input both user name and password, despite many trainings...
just add that anywhere in the file?
if you don't already have an lts.conf, it must begin with [default] and is usually placed in /var/lib/tftpboot/ltsp/i386/lts.conf
that's on ubuntu btw
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ok, then that should do it.. as long as you have a distro newer than gutsy gibbon i think
9.10 i believe
just make sure to cdreate the accounts first
if you don't specify the username and enable autologin, it will try based on the pc hostname
a username and password combo exactly as shown on the ldm login screen
pc hostname ?
on the hostname shown there
when you boot up your clients, you do see a hostname in the lower right hand corner?
i think it says ltsp and an ip
it's part of the ip
never paid attaention to it
well, if you create user accounts on the server with those names.. and with that password, it will autologin without specifying any thing in lts.conf
other than LDM_AUTOLOGIN=Y
but.. you can surely assign names as well.. as i showed you originally
based on the mac address.. or known IP
johnny, do i need to rebuild the image after i add those lines in the ltsp.conf ?
no, you don't
it's outside of the image
just make sure the file begins with [default] on the first line
johnny, it seems like i don't have that file > /var/lib/tftpboot/ltsp/i386/lts.conf
then you create it
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johnny, can you have a look at this mock lts.conf : http://paste.ubuntu.com/439718/
your mac's aren't seperated by :
err.. the spaces in the address should be :
and you're missing [default] at the time
the mac i just wrote from memeory...
ok, so juts add [defualt] at the top and write the MAC properly , right?
make sure you spell it right :)
and that that user exists
and get your money back from that consultant :) lol
or you could show pity on them
and tell them how you did it
this functionality has existed for many releases now :)
thanks, i will do it now
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