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


Channel log from 21 May 2015   (all times are UTC)

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01:02
<Peet>
hello
01:07
hello
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08:19
<alkisg>
Yey, Unity on thin clients!!!
08:22
Direct rendering: yes, Renderer: llvmpipe, on i915 but it's over the network so llvmpipe sounds reasonable
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08:28
<alkisg>
Hmm can't get compiz to run locally though, to speed things up, but np on the words of linus, "if it boots it's perfect" :)
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08:31
<alkisg>
Wow, it even runs with 16bpp, at last they fixed that bug
08:43* Hyperbyte high fives alkisg
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10:09
<alkisg>
Any users here that use a non-english language? What's the output of this command for you? env | grep ^LA
10:09
E.g. for me it is: LANG=el_GR.UTF-8 LANGUAGE=el
10:09
(I think we're setting LDM_LANGUAGE wrong in the ltsp code, that's why I'm asking...)
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14:12
<callan>
hi guys. i was testing video stuff on my thin clients, and many programs respond with "libGL error: failed to load driver: i965". when I check running drivers with lspci, I get ast and radeon (which are the ones on my server)
14:12
any way to get the i965 driver to load client-side?
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15:24
<work_alkisg>
callan: are you using ltsp-pnp?
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17:07
<callan>
work_alkisg: no, not using ltsp-pnp as far as i know, edubuntu at the moment
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17:59
<alkisg>
vagrantc: I managed to get Unity in 14.04 running in both thin and fat clients :)
18:00
I'll put the necessary changes in X50-generate-env so that we won't need 2 files like 40-ltsp-client and 40-ltsp-server
18:00
I've only have one thing left... upstart in 14.04 requires /sbin in the PATH :(
18:01
It's strange that it does work :-/ Anyway I've pinpointed the "why it does work with lightdm but not with ldm" part down to su's pam
18:01
ssh, sudo etc pam read /etc/environment, su - doesn't
18:02
And I want to change the way we run the fat client session from `su -` to plain `su`, is that ok?
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18:27
<alkisg>
Proposed diff: http://paste.debian.net/181731/
18:29
Err, without this line, CLIENT_ENV="$CLIENT_ENV PATH=\"/sbin:\$PATH\""
18:36
Hmm, while it works fine without the "-", it does preserve some of the ltsp environment variables, like PWD, $SERVER etc
18:37
sudo would be OK but it's not installed in debian
18:37
Manually adding /sbin to the PATH would also be an option,
18:37
and finally sourcing /etc/environment would work too
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18:41
<alkisg>
Ah and another one would be to manipulate the su defaults from init-ltsp.d
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18:51
<vagrantc>
alkisg: if you put it all in the same file then the packages will conflict with one another
18:51
<alkisg>
vagrantc: no, I'm putting it to ldm
18:51
<vagrantc>
alkisg: ldm and ldm-server?
18:51
<alkisg>
No, only ldm
18:52
See the proposed .diff above ^
18:53
The final line is something like this, in init-ltsp.d:
18:53
sed 's,^ENV_PATH.*,ENV_PATH PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games,' -i /etc/login.defs
18:53
This, at least in Ubuntu, forces su - to give the same path as login, sudo, lightdm etc
18:54
Ah I'll use the value from /etc/environment for the sed
18:56
That sed line may go either in ldm or in ltsp-client... I think we should put it in ltsp-client as we'll need it in the future with other DMs too
18:56
I can keep the sed in the ubuntu init-ltsp.d subdir if you prefer
18:57
<vagrantc>
alkisg: does this run after the .dmrc saving of the session?
18:57
<alkisg>
su - runs at X95-run-x-session
18:58
The sed part can be ran whenever before that, but it only needs to run once
18:58
<vagrantc>
no, i mean setting DESKTOP_SESSION
18:58
<alkisg>
Right after dmrc
18:58
It's the next script
18:58
<vagrantc>
this is all to workaround ubuntu bugs?
18:59
<alkisg>
Not exactly... the trend is for DMs to provide DESKTOP_SESSION
18:59
<vagrantc>
or is some of this necessary regardless?
18:59
<alkisg>
I haven't seen any DE break if you don't define it though, except for ubuntu with upstart :)
18:59
If you are in debian now, can you check if you have $DESKTOP_SESSION and the other 2 vars?
18:59
I'll boot up a fedora vm to check there too
19:01
<vagrantc>
yeah, i've got DESKTOP_SESSION=gnome with gnome3 (from gdm3)
19:01
<alkisg>
And XDG_CURRENT_DESKTOP and SESSIONTYPE ?
19:02
<vagrantc>
and the /sbin is so that upstart works?
19:02
<alkisg>
Yes, I believe that's a bug
19:02
But we can keep the login.defs sed'ding ubuntu-specific
19:02
<vagrantc>
no sessiontype
19:03
so, if i remember correctly, there were issues running "su" vs. "su -"
19:03
<alkisg>
I'll keep it as `su -` and sed through login.defs to modify the PATH
19:03
<vagrantc>
it leaves variables and such
19:03
<alkisg>
I'll copy the path from /etc/environment to login.defs
19:04
In fedora I have DESKTOP_SESSION but no other vars
19:06
About XDG_CURRENT_DESKTOP: http://lists.freedesktop.org/archives/xdg/2011-July/012004.html
19:07
xfce and lxde seem to agree with canonical there
19:07
I don't think it will hurt to provide those 3 vars
19:09
<vagrantc>
sure
19:09
<alkisg>
Cool, I'll commit these 3 changes tomorrow :)
19:09
<vagrantc>
though it is a little painful looking at the code needed to set them :(
19:10
<alkisg>
That's because of ldminfod inefficiencies
19:10
First it started by sending only the exec line
19:10
Then someone added the desktop file name too
19:10
Now we also need the Name= line of the desktop file...
19:11
When we drop ldminfod and implement ltspd, it'll get a lot more simpler
19:11
No ssh needed, we'll be able to generate the xsession.desktop files for lightdm just by consulting ltspd
19:11* vagrantc feels like all of the variable are workarounds for bad design
19:11
<alkisg>
Yeah :(
19:12
<vagrantc>
layers upon layers of variables that all define nearly identical things
19:13* vagrantc wonders how long lxde will last with new development shifted to lxqt
19:13
<alkisg>
pcmanfm seems to work on it full time
19:14
What I would like to see is kde decoupling its executables from its frameworks... i want to install kolourpaint and i have to get phonon too :(
19:23
Whoops, we need to read X-LightDM-DesktopName from the .desktop file too :-/
19:23
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1212408
19:26* alkisg hates that we have to maintain a DM in LTSP :-/
19:27
<alkisg>
LightDM says X-LightDM-DesktopName, GDM says DesktopNames, and systemd says XDG_SESSION_DESKTOP
19:27
What a mess
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