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


Channel log from 13 August 2013   (all times are UTC)

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00:44
<bennabiy>
Hello all
00:54
I always seem to pick the times when no one is here
01:07
at least ltsp will talk with me
01:07
!ltsp
01:07
<ltsp>
ltsp: LTSP is the Linux Terminal Server Project, the open source thin client solution. You can find it at http://www.ltsp.org
01:08
<bennabiy>
!lts.conf
01:08
<ltsp>
lts.conf: http://manpages.ubuntu.com/lts.conf
01:08
<bennabiy>
!pulseaudio
01:08
<ltsp>
Error: "pulseaudio" is not a valid command.
01:08
<bennabiy>
!update-kernel.conf
01:08
<ltsp>
Error: "update-kernel.conf" is not a valid command.
01:09
<bennabiy>
!ubuntu
01:09
<ltsp>
ubuntu: a Debian based GNU/Linux distrubution that includes a Ubuntu specific version of LTSP. It can be found at http://www.ubuntulinux.org. to install ltsp on ubuntu: https://help.ubuntu.com/community/UbuntuLTSP/LTSPQuickInstall
01:09
<bennabiy>
well, it has been nice talking with you ltsp.
01:09
!bye
01:09
<ltsp>
I do not know about 'bye', but I do know about these similar topics: 'bts', 'bug'
01:10
<bennabiy>
!exit
01:10
<ltsp>
I do not know about 'exit', but I do know about these similar topics: 'xexit'
01:10
<bennabiy>
!quit
01:10
<ltsp>
Error: You don't have the owner capability. If you think that you should have this capability, be sure that you are identified before trying again. The 'whoami' command can tell you if you're identified.
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06:01
<matthias_android>
Is here somebody online who knows about fat clients?
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06:03
<AndChat|517376>
Because i've got a problem
06:30
Excuse me?!
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06:50
<matthias1>
My Server is an Ubuntu 12.04 Lts 64-bit. In my network i've got an dhcp router which i can not modify for network booting. so i set up an dnsmasq server on my ubnuntu server. First i wanted to build thin client images and boot them over network and everything went well: got an ip from my router and booted up from the servers image. but now i want to set up
06:50
fat cliens, because the clients hardwaare is very good. the clients are 64-bit too. Thin Client worked, Fat Client not.
06:54
here's a screenshoot: http://imgur.com/WrYapal
07:00
<Hyperbyte>
What did you do to set up the fat clients?
07:00
You're running a mix of thin and fat clients, right?
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07:07
<matthias1>
Hyperbyte: no only fat clients, but i fixed it now. thanks but i've got another issue
07:07
if i want to do passwd on the clients it says authentication token manipulation error passwd password unchanged
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07:20
<matthias1>
Hyperbyte: my other issue is that my fat clients don't have internet connection, but they can browse the intranet in the network and the passwd issue is still there
07:23
<Hyperbyte>
matthias1, passwords of users are stored on the server, not on the clients.
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07:24
<Hyperbyte>
With thin clients users should be able to modify their password from their desktop session I think, but not with fat. If you want that, you'll have to do it via ltsp-remoteapps or better, use a solution like LDAP for user credentials.
07:25
As for internet connection, how are your fat clients connected to the internet? Are they on a seperate network switch, connected to the LTSP server, and then via the LTSP server (two-nic setup) to the internet?
07:27
<matthias1>
Hyperbyte: i fixed now the internet adress with a proxy on my server alright. but how can i do this with remoteapp
07:29
<Hyperbyte>
Wait, stop.
07:30
You're asking questions, I ask for more information, and before I get an answer you've fixed the issue. This has happened two times in a row now.
07:30
I see a pattern emerging.....
07:31
<matthias1>
yes Hyperbyte sorry for that but the password issue is very old. i ussaly let the user changed their password via ssh but that was not comfortable
07:35
<Hyperbyte>
Well, like I said: on thin clients changing password should just work, on fat clients you could do it via ltsp-remoteapps. Even better would be setting up LDAP as a central directory for user credentials.
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07:39
<matthias1>
Hyperbyte: if i type on the client in a terminal ltsp-remoteapps passwd nothing happens.
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09:09
<Hyperbyte>
matthias1, right, because passwd needs a shell to run in. Try ltsp-remoteapps xterm passwd
09:14
<matthias1>
Hyperbyte: still nothing
09:15
<rickogden>
matthias1: ssh server passwd
09:29
<Hyperbyte>
matthias1, is xterm installed on the server?
09:29
ltsp-remoteapps xterm should work from fat clients
09:34
<matthias1>
rickogden: yes ssh works but its not very comfortable for the user Hyperbyte yes xterm is installed
09:35
<rickogden>
matthias1: could not put that in /usr/local/bin/passwd in the chroot?
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09:37
<matthias1>
rickogden: i don't understand, can you repeat it pls?
09:38
<rickogden>
this is what I would do (and this may not be recommended):
09:39
I would create the file /usr/local/bin/passwd
09:39
and that file would be a script which would contain the command "ssh server passwd"
09:40
rebuild the fat-client image, so when a user types "passwd" into the terminal it runs our script rather than the default one
09:48
<Hyperbyte>
rickogden, I think matthias1 means it's not comfortable because user has to enter original password twice, plus gets some confusing output in the terminal
09:48
<rickogden>
Hyperbyte: ah sorry, misunderstood
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13:27
<bennabiy>
Hello all
13:41
I am hoping there is finally someone here who understands audio in ltsp
13:42
I am having issues with audacity bombing the audio on the client
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14:53
<bennabiy>
ogra_: You here?
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15:47
<bennabiy>
welcome Monk
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16:09
<bennabiy>
I need help with pulseaudio / audacity / ltsp ... volunteers?
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17:05
<other_other_joe>
still at it eh, bennabiy?
17:05
bummer
17:05
<bennabiy>
yes
17:07
I have limited the issue to audacity causing the issue. The other things play audio fine until audacity starts, then all audio on the client is gone until reboot
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17:10
<other_other_joe>
is audacity starting jackd or something else that's grabbing the card?
17:10
<bennabiy>
nope
17:10
and it works fine on the server ( when logged in directly)
17:11
It is funny, because if I tell it the hardware on the machine, it will play audio to the server, but not to pulse
17:11
<other_other_joe>
what happens when you kill audacity and then re-hup pulse?
17:11
does it come to life again without a reboot?
17:11
<bennabiy>
I have not tried... one second.
17:12
re-hup on the client shell, or server?
17:12
<other_other_joe>
on the client shell
17:12
<bennabiy>
client right?
17:12
<other_other_joe>
yea
17:12
<bennabiy>
one minute
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17:13
<other_other_joe>
the NFS_HOME variable is apparently depreciated
17:13
anyone know what it's depreciated in favor of?
17:13
NFS_SERVER ?
17:14
<alkisg>
FSTAB_1
17:14
But NFS_HOME should still work, even if deprecated
17:14
<other_other_joe>
oh, ok
17:14
yea, it does
17:15
I just noticed it said it was depreciated in a script somewhere
17:15
<bennabiy>
other_other_joe: it does not come back to life with kill -hup <procid>
17:16
audio still dead
17:16
does it need to be -HUP?
17:16
<other_other_joe>
-HUP is what I've always used
17:16
<bennabiy>
welcome aslkisg
17:16
<vagrantc>
what distro are folks having the audio problems on? there are known issues with debian wheezy, and it'd be great to file a bug report about it
17:16
<other_other_joe>
not sure if it's case sensative
17:16* vagrantc hopes to get them resolved in a point release.
17:17
<bennabiy>
My client is compiled from ubuntu 13.04 and server is Mint 15
17:17
MATE edition
17:17
64 bit
17:17
<other_other_joe>
ah, I'm not having audio issues but I am running wheezy
17:17
<bennabiy>
32 bit clients
17:17
<other_other_joe>
hopefully that doesn't crop up...
17:17
<bennabiy>
It seems to be only audacity which is causing the issue, but unfortunately, we have a user who requires it for what he does
17:18
and we have not found anything open source to replace it
17:18
vlc works, as well as totem, although totem is crashing the file browser with audio preview enabled
17:19
<alkisg>
bennabiy: not sure what the problem is, but (1) try to tell audacity to use pulse and not alsa, and (2) don't have the user running audacity in the "audio" group
17:22
<bennabiy>
alkisg: I just removed the user from the audio group. In Audacity, I am using ALSA -> pulse plugin
17:22
The only option it sees is to use ALSA
17:22
<alkisg>
bennabiy: the user needs to logout/login for the change to take effect
17:23
<bennabiy>
He is logging back in now
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17:24
<paco1>
hello masters!
17:24
<bennabiy>
should he try audacity?
17:25
<paco1>
we are trying ltsp-server-standalone + ldap
17:26
on a client ltsp, the sesion don't work correctly, but on a symply machine, the sesion works
17:27
we don't have access at ctrl+alt+F1 on ltsp client. How could we access on?
17:27
<alkisg>
bennabiy: sure, tell him to try it
17:27
<paco1>
thanks very much!
17:27
<alkisg>
!screen_02 | echo paco1:
17:27
<ltsp>
paco1: screen_02: To get a root shell on an Ubuntu thin client: https://help.ubuntu.com/community/UbuntuLTSP/ClientTroubleshooting#Using_a_shell_SCREEN
17:28
<bennabiy>
he tried, nothing
17:28
audio still dead, and the -HUP didnt do anything
17:28
<alkisg>
Don't kill pulse
17:28
If it was killed on the server, first make sure that the sound works before running audacity
17:29
with the user not in the audio group, audacity should no longer be able to make the sound of the other apps not working
17:29
The sound in audacity itself might not work, but other apps should still have sound (if pulse etc are not killed)
17:29
<bennabiy>
nope
17:29
it still bombed the audio
17:30
I even tried changing permissions on the /dev/snd/* to o-t as a suggestion said
17:30
<alkisg>
Don't do that, then audacity still has permissions to bomb your audio
17:30
I'd suggest that you reboot your server before trying more stuff
17:32
<bennabiy>
I will have to do that later.
17:33
<alkisg>
Undo the chmod /dev/snd/*, tell the user to logout/login, and test if the sound works before running audacity again
17:33
<bennabiy>
I will have to test with another user... I told him to go back to work...
17:34
<cliebow>
!seen jammcq
17:34
<ltsp>
jammcq was last seen in #ltsp 4 days, 4 hours, 22 minutes, and 14 seconds ago: <jammcq> he's still very involved in Mate
17:34
<bennabiy>
ok. Let me log in to this new user... I am also monitoring the pulseaudio syslog entries on log level 4
17:36
<vagrantc>
bennabiy: you might also be able to configure alsa to use pulseaudio
17:36
there are hooks in debian to configure that
17:37
<alkisg>
I think in Ubuntu it's preconfigured...
17:37
I'm not at all sure though
17:37
<bennabiy>
Audio works fine, except once audacity loads
17:37
and it is not loading jack that I can see
17:37
no calls to jackd
17:37
<vagrantc>
yes, ubuntu seems to preconfigure it
17:38
<alkisg>
And the /dev/snd/* permissions are back to the defaults?
17:38
<vagrantc>
but it was a MINT server?
17:38
<bennabiy>
one thing I notice when I log a user in, on the client machine syslog, there is a module error
17:38
<alkisg>
Ah yes, ubuntu mint or debian mint?
17:38
<bennabiy>
module-x11-publish
17:38
ubuntu
17:38
mint 15 MATE
17:38
<vagrantc>
they may have changed something
17:38
<bennabiy>
server
17:39
and the client is built with ubuntu repos
17:39
<vagrantc>
a real frankenstein :)
17:39
<bennabiy>
Is there a native way to build a mint client?
17:39
<vagrantc>
haven't seen mint developers working on the code...
17:39
but conceptually it shouldn't be hard to doo
17:39
<bennabiy>
I have had to hack the files to load the ubuntu repos on build
17:39
that is what I was thinking
17:40
let me check the permissions
17:41
permissions are reset for this login
17:41
and audio works through vlc
17:42
audacity works fine on the server hardware though...
17:42
I am currently working from the server, and I can run audacity and vlc at the same time, and neither clobber each other
17:43
<alkisg>
alsa cooperates with pulse but alsa won't work remotely
17:43
Still, audacity shouldn't have enough permissions to bomb the audio, maybe try again after server reboot
17:43
<bennabiy>
I might be able to reboot the server now... back in a minute
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18:03
<other_other_joe>
alkisg, is there a publication you'd recommend the get to know the in's and out's of LTSP by chance?
18:04
<vagrantc>
!docs
18:04
<ltsp>
docs: For the most current documentation, see https://sourceforge.net/apps/mediawiki/ltsp/index.php?title=Ltsp_LtspDocumentationUpstream
18:04
<alkisg>
And...
18:04
!ltsp-source
18:04
<ltsp>
ltsp-source: at http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/files
18:04
<vagrantc>
although it's getting a bit dated
18:04
<other_other_joe>
yea, I read that
18:04
I've been just reading all the scripts as of late
18:05
http://www.amazon.com/Client-Networks-Design-Deployment-ebook/dp/B0058SODDE/ref=tmm_kin_title_0?_encoding=UTF8&sr=&qid=
18:05
anyone have any opinion on this?
18:06
@vagrantc yea that pdf is a bit dated
18:07
I mostly read it twice since it seems to be both in pdf and html form on the ltsp site
18:07
<vagrantc>
should be the same content
18:07
<other_other_joe>
yea
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18:08
<alkisg>
other_other_joe: from the comments on that page, the book doesn't seem up to date, and mostly proposes manually setting up thin clients without using ltsp or other related technologies...
18:09
<other_other_joe>
I believe he's using ltsp
18:09
he's got a blog that seems pretty popular
18:09
but yea, the comments didn't seem to favorable
18:10
<alkisg>
If it's proposing ltsp, and it was published in 2007, I wonder if he writes about ltsp 4... :D
18:10
<other_other_joe>
:P
18:10
Some of the stuff I've been reading is probably about 4 anyway :D
18:10
doc's are quite old
18:11* alkisg doesn't see LTSP in the book's TOC...
18:12
<alkisg>
And NAS, ESD, XDMCP... nah
18:13
<ogra_>
go on
18:13* ogra_ feels young again
18:13
<alkisg>
:D
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18:13
<bennabiy>
Ok... I am back
18:13
<other_other_joe>
I guess you're right. His blog seems to be about manual setups as well
18:13
my mistake
18:13
<bennabiy>
that was quite the reboot...
18:14
fstab woes...
18:14
anyways, thoughts?
18:14
;)
18:14
<alkisg>
Still the same issue? Audacity bombing the audio in thin clients?
18:15
<bennabiy>
not tried yet .. . wanted to make it back in here first ;)
18:15
about to try on a client
18:15
<alkisg>
I don't think audacity killed the audio when I last tried it in thin clients....
18:15
...with the default setup, no changes at all...
18:18
<bennabiy>
real quick, does anyone know the command to reload the encrypted devices from crypttab?
18:18
I need to mount an encrypted drive
18:20
nm... I got it
18:25
let me try now
18:31
ok, so it looks like audacity is trying to load jack, but is saying it is unable to
18:31
audio in audacity still does not work
18:32
<alkisg>
Did it kill the audio of other apps now?
18:33
<bennabiy>
checking... here is a pastebin of the error when audacity started. http://mozilla.pastebin.org/2848514
18:34
yes
18:34
dead as a doornail
18:35
<alkisg>
The paste link is bad?
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18:36
<bennabiy>
gah, I meant http://pastebin.mozilla.org/2848514
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18:38
<bennabiy>
!seen stgraber
18:38
<ltsp>
stgraber was last seen in #ltsp 4 days, 6 hours, 9 minutes, and 0 seconds ago: <stgraber> he said he'd
18:39
<bennabiy>
I am open for suggestions on how to get audacity to only use pulse /alsa
18:43
!seen yanu
18:43
<ltsp>
yanu was last seen in #ltsp 35 weeks, 2 days, 2 hours, 42 minutes, and 9 seconds ago: <yanu> fuzai: this is what I saved once :http://pastebin.com/Snt1tK4s
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18:49
<bennabiy>
welcome back
18:49
here is the updated pastebin
18:50
alkisg: http://pastebin.mozilla.org/2848514
18:56* alkisg just tried audacity in a thin client with the default setup, it worked fine... so something is wrong in bennabiy's setup
18:58
<bennabiy>
hrm.
18:59
where should I check for config problems, and what dist are you using?
19:00
<alkisg>
ltsp-pnp in ubuntu 12.04
19:00
!ltsp-pnp
19:00
<ltsp>
ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
19:00
<alkisg>
...although if I remember correctly, audacity is working with normal LTSP too
19:01
...in ubuntu 10.04 and up, at least
19:01
<bennabiy>
It works from the server, and it works on the client to output audio to the server, but not to make it back to the client, and not for anything else to use the client audio once it has been started, at least not in mint 15 / ubuntu 13.04
19:02* vagrantc suspects something amiss with the min 15 setup
19:03* bennabiy would not be surprised...
19:04
<bennabiy>
where should I look to see what is happening?
19:04
should I remove audacity and reinstall it?
19:07
<alkisg>
Maybe try with another user, to verify that there are not invalid stored settings for audacity, alsa etc..
19:07
<bennabiy>
I have
19:07
Verified in 3 users
19:07
same situation happening
19:07
<alkisg>
Clients should not be able to output sound on the server
19:08
If they can, you still have permissions issues, either with groups (audio) or /dev/*...
19:08
<bennabiy>
I can see if audacity is still able to output to the server. I had the users in audio when I did that
19:08
let me see.
19:11
nope, now just default and pulse are options
19:11
I keep getting this error though in audacity
19:11
Expression 'stream->capture.pcm' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 4525
19:12
<alkisg>
I think I got this too but audacity still worked
19:12
<bennabiy>
hrm...
19:13
Is there a way to tell audacity to not try jack?
19:15
<alkisg>
My audacity output was very similar, if not the same, with your pastebin, and it still worked, so I don't think you should worry about that
19:15
I think it mentioned trying jack too
19:15
<bennabiy>
And you are accessing it through a client, and not from logging into the server?
19:15
Is your client a thin or thick client?
19:16
<alkisg>
Yup, although a vbox one
19:16
Sound shows up on the server pulseaudio list, and if I mute vbox there, sound is turned off
19:16
So I'm pretty sure that a real client would work as well
19:16
<bennabiy>
I can test in a vbox.
19:17
<alkisg>
I don't think you need to
19:17
<bennabiy>
I almost wonder if the vbox is working because it is the same hardware as the server and is doing some magic juju
19:18
I would be interested to find out if you had the same results on a client
19:18
<alkisg>
You could do a normal ubuntu 12.04 ltsp installation, verify that audacity is working fine, and then start comparing configurations with your real installation
19:18
It shouldn't take more than 1h...
19:18
<bennabiy>
As far as installing in a vbox?
19:19
<alkisg>
Installing in vbox, running ltsp-build-client, and booting a client...
19:20
<bennabiy>
I could try that. Have you tried 13.04?
19:20
<alkisg>
No, I'm only using LTS releases
19:37
<bennabiy>
Any reason why virtualbox would not let me use VT-x ? It says not optimal if I do not use it, but says locked when I do use it
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19:42
<bennabiy>
VT-x/AMD-V hardware acceleration has been enabled, but is not operational. Your 64-bit guest will fail to detect a 64-bit CPU and will not be able to boot.
19:42
Please ensure that you have enabled VT-x/AMD-V properly in the BIOS of your host computer.
19:43
Do you think there would be a difference in the config of a 32 bit server and a 64?
19:43
If I download the 32 bit image?
19:50
alkisg: I really appreciate the help, btw
19:50
I am downloading the ubu 12.04 32 bit
19:58
alkisg: Are you saying set up a normal 12.04 install, configure ltsp on it, and boot a client to it and make sure it works, and then compare configs?
20:00
<||cw>
bennabiy: is it enabled in the bios? and your cpu supports it?
20:00
<bennabiy>
alkisg: Also, I have been having issues getting changes in /etc/ltsp/update-kernel.conf to stick. I keep having to apply the changes to the pxelinux.cfg/default
20:00
<||cw>
if so, you'd need to ask vbox's support channels.
20:01
<bennabiy>
I probably do not have it enabled in the bios, and cannot reboot atm.
20:01
<||cw>
you should be able to run a 64bit guest on a 32bit host OS as long as the host has a 64bit cpu and vt enabled
20:01
<bennabiy>
It is no worries to do 32 bit
20:01
My host OS is 64 bit, and I probably just do not have it enabled in the bios
20:15
ok, restarting my new install
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23:04
<digitalirony>
hello
23:05
I just got ltsp working with nfs mount, and with ldap
23:05
when I try to login with a thin client, it just sits and spins like its loading the desktop, but it doesn't
23:05
if I login to that same user via the ltsp servers cli, it works just fine
23:05
anyone care to help me figure out what the hangup is
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23:10
<digitalirony>
hrmm, and a local user works, and if I login as a 'local' user(by local I mean non ldap), then su to an ldap user, it works just fine
23:11
it seems to be an issue when logging in as an ldap user, and loading the windowmanager
23:13
<vagrantc>
digitalirony: can you login via ssh as an ldap user?
23:15
<digitalirony>
its getting hung on this
23:15
gsettings get org.gnome.desktop.interface toolkit-accessibility
23:15
vagrantc: yes, its getting hung on the above
23:15
not sure what that does
23:16
when I killed that process, it logged in
23:19
<vagrantc>
i guess gnome is getting obnoxious
23:19
a lot of software is working poorly in a network-transparent way
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