IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 13 August 2013 (all times are UTC)
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| 00:44 | <bennabiy> Hello all
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| 00:54 | I always seem to pick the times when no one is here
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| 01:07 | at least ltsp will talk with me
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| 01:07 | !ltsp
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| 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
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| 01:08 | <bennabiy> !lts.conf
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| 01:08 | <ltsp> lts.conf: http://manpages.ubuntu.com/lts.conf
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| 01:08 | <bennabiy> !pulseaudio
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| 01:08 | <ltsp> Error: "pulseaudio" is not a valid command.
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| 01:08 | <bennabiy> !update-kernel.conf
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| 01:08 | <ltsp> Error: "update-kernel.conf" is not a valid command.
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| 01:09 | <bennabiy> !ubuntu
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| 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
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| 01:09 | <bennabiy> well, it has been nice talking with you ltsp.
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| 01:09 | !bye
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| 01:09 | <ltsp> I do not know about 'bye', but I do know about these similar topics: 'bts', 'bug'
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| 01:10 | <bennabiy> !exit
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| 01:10 | <ltsp> I do not know about 'exit', but I do know about these similar topics: 'xexit'
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| 01:10 | <bennabiy> !quit
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| 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
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| 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
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| 06:50 | fat cliens, because the clients hardwaare is very good. the clients are 64-bit too. Thin Client worked, Fat Client not.
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| 06:54 | here's a screenshoot: http://imgur.com/WrYapal
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| 07:00 | <Hyperbyte> What did you do to set up the fat clients?
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| 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
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| 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
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| 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.
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| 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?
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| 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
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| 07:29 | <Hyperbyte> Wait, stop.
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| 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.
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| 07:30 | I see a pattern emerging.....
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| 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
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| 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
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| 09:14 | <matthias1> Hyperbyte: still nothing
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| 09:15 | <rickogden> matthias1: ssh server passwd
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| 09:29 | <Hyperbyte> matthias1, is xterm installed on the server?
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| 09:29 | ltsp-remoteapps xterm should work from fat clients
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| 09:34 | <matthias1> rickogden: yes ssh works but its not very comfortable for the user Hyperbyte yes xterm is installed
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| 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?
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| 09:38 | <rickogden> this is what I would do (and this may not be recommended):
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| 09:39 | I would create the file /usr/local/bin/passwd
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| 09:39 | and that file would be a script which would contain the command "ssh server passwd"
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| 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
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| 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
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| 09:48 | <rickogden> Hyperbyte: ah sorry, misunderstood
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| 13:27 | <bennabiy> Hello all
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| 13:41 | I am hoping there is finally someone here who understands audio in ltsp
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| 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?
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| 17:05 | bummer
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| 17:05 | <bennabiy> yes
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| 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?
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| 17:10 | <bennabiy> nope
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| 17:10 | and it works fine on the server ( when logged in directly)
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| 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
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| 17:11 | <other_other_joe> what happens when you kill audacity and then re-hup pulse?
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| 17:11 | does it come to life again without a reboot?
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| 17:11 | <bennabiy> I have not tried... one second.
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| 17:12 | re-hup on the client shell, or server?
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| 17:12 | <other_other_joe> on the client shell
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| 17:12 | <bennabiy> client right?
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| 17:12 | <other_other_joe> yea
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| 17:12 | <bennabiy> one minute
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| 17:13 | <other_other_joe> the NFS_HOME variable is apparently depreciated
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| 17:13 | anyone know what it's depreciated in favor of?
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| 17:13 | NFS_SERVER ?
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| 17:14 | <alkisg> FSTAB_1
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| 17:14 | But NFS_HOME should still work, even if deprecated
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| 17:14 | <other_other_joe> oh, ok
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| 17:14 | yea, it does
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| 17:15 | I just noticed it said it was depreciated in a script somewhere
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| 17:15 | <bennabiy> other_other_joe: it does not come back to life with kill -hup <procid>
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| 17:16 | audio still dead
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| 17:16 | does it need to be -HUP?
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| 17:16 | <other_other_joe> -HUP is what I've always used
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| 17:16 | <bennabiy> welcome aslkisg
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| 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
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| 17:16 | <other_other_joe> not sure if it's case sensative
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| 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
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| 17:17 | MATE edition
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| 17:17 | 64 bit
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| 17:17 | <other_other_joe> ah, I'm not having audio issues but I am running wheezy
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| 17:17 | <bennabiy> 32 bit clients
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| 17:17 | <other_other_joe> hopefully that doesn't crop up...
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| 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
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| 17:18 | and we have not found anything open source to replace it
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| 17:18 | vlc works, as well as totem, although totem is crashing the file browser with audio preview enabled
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| 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
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| 17:22 | <bennabiy> alkisg: I just removed the user from the audio group. In Audacity, I am using ALSA -> pulse plugin
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| 17:22 | The only option it sees is to use ALSA
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| 17:22 | <alkisg> bennabiy: the user needs to logout/login for the change to take effect
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| 17:23 | <bennabiy> He is logging back in now
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| 17:24 | <paco1> hello masters!
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| 17:24 | <bennabiy> should he try audacity?
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| 17:25 | <paco1> we are trying ltsp-server-standalone + ldap
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| 17:26 | on a client ltsp, the sesion don't work correctly, but on a symply machine, the sesion works
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| 17:27 | we don't have access at ctrl+alt+F1 on ltsp client. How could we access on?
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| 17:27 | <alkisg> bennabiy: sure, tell him to try it
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| 17:27 | <paco1> thanks very much!
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| 17:27 | <alkisg> !screen_02 | echo paco1:
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| 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
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| 17:28 | <bennabiy> he tried, nothing
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| 17:28 | audio still dead, and the -HUP didnt do anything
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| 17:28 | <alkisg> Don't kill pulse
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| 17:28 | If it was killed on the server, first make sure that the sound works before running audacity
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| 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
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| 17:29 | The sound in audacity itself might not work, but other apps should still have sound (if pulse etc are not killed)
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| 17:29 | <bennabiy> nope
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| 17:29 | it still bombed the audio
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| 17:30 | I even tried changing permissions on the /dev/snd/* to o-t as a suggestion said
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| 17:30 | <alkisg> Don't do that, then audacity still has permissions to bomb your audio
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| 17:30 | I'd suggest that you reboot your server before trying more stuff
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| 17:32 | <bennabiy> I will have to do that later.
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| 17:33 | <alkisg> Undo the chmod /dev/snd/*, tell the user to logout/login, and test if the sound works before running audacity again
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| 17:33 | <bennabiy> I will have to test with another user... I told him to go back to work...
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| 17:34 | <cliebow> !seen jammcq
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| 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
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| 17:34 | <bennabiy> ok. Let me log in to this new user... I am also monitoring the pulseaudio syslog entries on log level 4
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| 17:36 | <vagrantc> bennabiy: you might also be able to configure alsa to use pulseaudio
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| 17:36 | there are hooks in debian to configure that
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| 17:37 | <alkisg> I think in Ubuntu it's preconfigured...
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| 17:37 | I'm not at all sure though
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| 17:37 | <bennabiy> Audio works fine, except once audacity loads
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| 17:37 | and it is not loading jack that I can see
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| 17:37 | no calls to jackd
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| 17:37 | <vagrantc> yes, ubuntu seems to preconfigure it
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| 17:38 | <alkisg> And the /dev/snd/* permissions are back to the defaults?
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| 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
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| 17:38 | <alkisg> Ah yes, ubuntu mint or debian mint?
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| 17:38 | <bennabiy> module-x11-publish
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| 17:38 | ubuntu
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| 17:38 | mint 15 MATE
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| 17:38 | <vagrantc> they may have changed something
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| 17:38 | <bennabiy> server
| |
| 17:39 | and the client is built with ubuntu repos
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| 17:39 | <vagrantc> a real frankenstein :)
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| 17:39 | <bennabiy> Is there a native way to build a mint client?
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| 17:39 | <vagrantc> haven't seen mint developers working on the code...
| |
| 17:39 | but conceptually it shouldn't be hard to doo
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| 17:39 | <bennabiy> I have had to hack the files to load the ubuntu repos on build
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| 17:39 | that is what I was thinking
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| 17:40 | let me check the permissions
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| 17:41 | permissions are reset for this login
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| 17:41 | and audio works through vlc
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| 17:42 | audacity works fine on the server hardware though...
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| 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
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| 17:43 | <alkisg> alsa cooperates with pulse but alsa won't work remotely
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| 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?
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| 18:04 | <vagrantc> !docs
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| 18:04 | <ltsp> docs: For the most current documentation, see https://sourceforge.net/apps/mediawiki/ltsp/index.php?title=Ltsp_LtspDocumentationUpstream
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| 18:04 | <alkisg> And...
| |
| 18:04 | !ltsp-source
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| 18:04 | <ltsp> ltsp-source: at http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/files
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| 18:04 | <vagrantc> although it's getting a bit dated
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| 18:04 | <other_other_joe> yea, I read that
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| 18:04 | I've been just reading all the scripts as of late
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| 18:05 | http://www.amazon.com/Client-Networks-Design-Deployment-ebook/dp/B0058SODDE/ref=tmm_kin_title_0?_encoding=UTF8&sr=&qid=
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| 18:05 | anyone have any opinion on this?
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| 18:06 | @vagrantc yea that pdf is a bit dated
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| 18:07 | I mostly read it twice since it seems to be both in pdf and html form on the ltsp site
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| 18:07 | <vagrantc> should be the same content
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| 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...
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| 18:09 | <other_other_joe> I believe he's using ltsp
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| 18:09 | he's got a blog that seems pretty popular
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| 18:09 | but yea, the comments didn't seem to favorable
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| 18:10 | <alkisg> If it's proposing ltsp, and it was published in 2007, I wonder if he writes about ltsp 4... :D
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| 18:10 | <other_other_joe> :P
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| 18:10 | Some of the stuff I've been reading is probably about 4 anyway :D
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| 18:10 | doc's are quite old
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| 18:11 | * alkisg doesn't see LTSP in the book's TOC... | |
| 18:12 | <alkisg> And NAS, ESD, XDMCP... nah
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| 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
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| 18:13 | <other_other_joe> I guess you're right. His blog seems to be about manual setups as well
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| 18:13 | my mistake
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| 18:13 | <bennabiy> that was quite the reboot...
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| 18:14 | fstab woes...
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| 18:14 | anyways, thoughts?
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| 18:14 | ;)
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| 18:14 | <alkisg> Still the same issue? Audacity bombing the audio in thin clients?
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| 18:15 | <bennabiy> not tried yet .. . wanted to make it back in here first ;)
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| 18:15 | about to try on a client
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| 18:15 | <alkisg> I don't think audacity killed the audio when I last tried it in thin clients....
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| 18:15 | ...with the default setup, no changes at all...
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| 18:18 | <bennabiy> real quick, does anyone know the command to reload the encrypted devices from crypttab?
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| 18:18 | I need to mount an encrypted drive
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| 18:20 | nm... I got it
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| 18:25 | let me try now
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| 18:31 | ok, so it looks like audacity is trying to load jack, but is saying it is unable to
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| 18:31 | audio in audacity still does not work
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| 18:32 | <alkisg> Did it kill the audio of other apps now?
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| 18:33 | <bennabiy> checking... here is a pastebin of the error when audacity started. http://mozilla.pastebin.org/2848514
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| 18:34 | yes
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| 18:34 | dead as a doornail
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| 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
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| 18:38 | <ltsp> stgraber was last seen in #ltsp 4 days, 6 hours, 9 minutes, and 0 seconds ago: <stgraber> he said he'd
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| 18:39 | <bennabiy> I am open for suggestions on how to get audacity to only use pulse /alsa
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| 18:43 | !seen yanu
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| 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
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| 18:49 | here is the updated pastebin
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| 18:50 | alkisg: http://pastebin.mozilla.org/2848514
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| 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.
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| 18:59 | where should I check for config problems, and what dist are you using?
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| 19:00 | <alkisg> ltsp-pnp in ubuntu 12.04
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| 19:00 | !ltsp-pnp
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| 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
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| 19:00 | <alkisg> ...although if I remember correctly, audacity is working with normal LTSP too
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| 19:01 | ...in ubuntu 10.04 and up, at least
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| 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
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| 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?
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| 19:04 | should I remove audacity and reinstall it?
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| 19:07 | <alkisg> Maybe try with another user, to verify that there are not invalid stored settings for audacity, alsa etc..
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| 19:07 | <bennabiy> I have
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| 19:07 | Verified in 3 users
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| 19:07 | same situation happening
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| 19:07 | <alkisg> Clients should not be able to output sound on the server
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| 19:08 | If they can, you still have permissions issues, either with groups (audio) or /dev/*...
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| 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
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| 19:08 | let me see.
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| 19:11 | nope, now just default and pulse are options
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| 19:11 | I keep getting this error though in audacity
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| 19:11 | Expression 'stream->capture.pcm' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 4525
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| 19:12 | <alkisg> I think I got this too but audacity still worked
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| 19:12 | <bennabiy> hrm...
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| 19:13 | Is there a way to tell audacity to not try jack?
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| 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
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| 19:15 | I think it mentioned trying jack too
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| 19:15 | <bennabiy> And you are accessing it through a client, and not from logging into the server?
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| 19:15 | Is your client a thin or thick client?
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| 19:16 | <alkisg> Yup, although a vbox one
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| 19:16 | Sound shows up on the server pulseaudio list, and if I mute vbox there, sound is turned off
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| 19:16 | So I'm pretty sure that a real client would work as well
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| 19:16 | <bennabiy> I can test in a vbox.
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| 19:17 | <alkisg> I don't think you need to
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| 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
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| 19:18 | I would be interested to find out if you had the same results on a client
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| 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
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| 19:18 | It shouldn't take more than 1h...
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| 19:18 | <bennabiy> As far as installing in a vbox?
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| 19:19 | <alkisg> Installing in vbox, running ltsp-build-client, and booting a client...
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| 19:20 | <bennabiy> I could try that. Have you tried 13.04?
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| 19:20 | <alkisg> No, I'm only using LTS releases
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| 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.
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| 19:42 | Please ensure that you have enabled VT-x/AMD-V properly in the BIOS of your host computer.
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| 19:43 | Do you think there would be a difference in the config of a 32 bit server and a 64?
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| 19:43 | If I download the 32 bit image?
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| 19:50 | alkisg: I really appreciate the help, btw
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| 19:50 | I am downloading the ubu 12.04 32 bit
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| 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?
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| 20:00 | <||cw> bennabiy: is it enabled in the bios? and your cpu supports it?
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| 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
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| 20:00 | <||cw> if so, you'd need to ask vbox's support channels.
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| 20:01 | <bennabiy> I probably do not have it enabled in the bios, and cannot reboot atm.
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| 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
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| 20:01 | <bennabiy> It is no worries to do 32 bit
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| 20:01 | My host OS is 64 bit, and I probably just do not have it enabled in the bios
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| 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
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| 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
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| 23:05 | if I login to that same user via the ltsp servers cli, it works just fine
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| 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
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| 23:11 | it seems to be an issue when logging in as an ldap user, and loading the windowmanager
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| 23:13 | <vagrantc> digitalirony: can you login via ssh as an ldap user?
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| 23:15 | <digitalirony> its getting hung on this
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| 23:15 | gsettings get org.gnome.desktop.interface toolkit-accessibility
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| 23:15 | vagrantc: yes, its getting hung on the above
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| 23:15 | not sure what that does
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| 23:16 | when I killed that process, it logged in
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| 23:19 | <vagrantc> i guess gnome is getting obnoxious
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| 23:19 | a lot of software is working poorly in a network-transparent way
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