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


Channel log from 17 December 2012   (all times are UTC)

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14:59
<ltspuser_01>
Hi
14:59
I need some help with cups
14:59
I have some localapps like firefox
15:00
I'm using ubuntu 12.04
15:00
and I want to print from firefox
15:00
and I have all the network printers configured at the server...
15:00
how can I get those printers?
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16:04
<ltspuser_05>
Hello
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16:05
<ltspuser_05>
to increase the performance of the firefox I changed it to run as a localapp
16:05
but when we use a browser we need to open some docs and do many things...
16:05
do I need to install all the other programs as localapps too??
16:06
like a pdf reader, open office??
16:06
or is there a way to use the ones on the server
16:06
?
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16:13
<ltspuser_05>
anyone?
16:15
<gvy>
pong
16:15
IIRC you have to, yes
16:16
significant part of the problem is "where's the data"
16:16
and "what are the possible handlers"
16:20
<ltspuser_05>
all the things are on the server...
16:20
I only have the firefox app running localy...
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16:31
<ltspuser_87>
Hello
16:31
to increase the performance of the firefox I changed it to run as a localapp
16:31
but when we use a browser we need to open some docs and do many things...
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16:31
<ltspuser_87>
do I need to install all the other programs as localapps too??
16:31
like a pdf reader, open office??
16:32
or is there a way to use the ones on the server?
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16:44
<||cw>
ltspuser_87: that is one drawback of local firefox.
16:44
if you're thin clients are fast enough to run all that anyway, ight as reconfig for fat client
16:44
ight/might/
16:47
<ltspuser_87>
so, I have to install all the other apps that firefox need right?
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16:58
<||cw>
if you want them to run local, yes.
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17:21
<ltspuser_87>
ok
17:21
thks
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17:48
<mip5>
Morning Folks - I've got a widescreen display, but the image is "stretched." There are no options to change the display settings when logged into the client. Any thoughts? I haven't specified anything special about these clients in lts.conf - maybe I need to.
17:55
<||cw>
mip5: vga or dvi? the drivers probably aren't auto detecting properly, common with vga. you can set the res in the lts.conf
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17:59
<mip5>
vga - yeah, it's not detecting monitors (or at least, I get nothing back after selecting that). How would I specify it in lts.conf? I've got 12 clients with these monitors, and about 25 others with standard monitors.
18:01
<mgariepy>
||cw, remote apps support is working: http://www.stgraber.org/2010/12/06/announcing-ldm-2-2-and-ltsp-5-2-5/
18:03
||cw, basicly all you need to do is to set REMOTE_APPS=True and you are done, local firefox or chromium/chrome will call a wrapper script to launch the app on the application server
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19:07
<mip5>
Silly question - how can I determine the video card in my thin client? I'm trying to set the display options in lts.conf so that I can use the widescreen without the image being stretched.
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19:56
<mip5>
Okay - I've been able to enter the [MAC address] in lts.conf to have a particular machine boot differently (eg, SCREEN_02=shell). However, I can't seem to get it to read my X_MODE_0=1366x768 resolution. Any ideas?
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19:57
<||cw>
mip5: you might need modelines then
19:57
<mip5>
llcw: can you give me more details?
19:58
<||cw>
I've only done it on native linux installs
19:58
is it not possible to use dvi?
19:58
or the screen doens't have it?
19:58
<mip5>
No - I had originally spec'd dvi monitors, but they were out of stock, and the school bought vga instead
20:06
<||cw>
I seen to recall a couple sites that have modeline generators
20:08
<mip5>
okay - I'll keep hunting around. It seems like I'm missing something basic...
20:11
<ltspuser_44>
Hi to all, a simple question, can i compile the client image for ARM processor ??
20:12
My server is Ubuntu 12.04.1 LTS
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20:29
<||cw>
ltspuser_44: "compile" is the wrong word, it builds from existing already compiled packages. any arch that ubuntu 12.04 supports should be buildable
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20:33
<ltspuser_44>
Hi, thanks for the answer, i have tried some --arch parameters without success, for example --arch armel or --arch armv7 or armeabi. I have succesfully created the image for i386. What type of arguments i need to use ?
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20:35
<ltspuser_44>
Ahh ok, i have understood. I need to see if "12.04" is compatible with ARM processor. Otherwise i need to find the last version for ARM.
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20:45
<||cw>
right
20:47
<mip5>
llcw: If I could get the proper modeline, would I put that in a stanza for my thin client [mac address]?
20:49
<||cw>
yes, but I'm not sure on the specifics of how
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21:13
<mip5>
I tried adding X_MODE_0 = 1280x768 below the [mac address] stanza for this machine, but it doesn't appear to do anything. If I specify the resolution, must I specify everything else, eg, modeline?
21:14
<vagrantc>
shouldn't have to
21:14
although you probably should use XRANDR_MODE_0 if your card supports xrandr
21:14
in fact, specifying the modeline is actually broken
21:16
<mip5>
ok - trying it now....
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21:18
<mip5>
strangeness! Top 3/4 of screen are horizontal lines of the login page (4 overlapping copies), and the bottom 1/4 are vertical colored lines
21:21
tried XRANDR_MODE_0 = 1366x768, and got a different, but non-usable patter of horizontal mostly b&w lines, and color pattern in bottom 1/4 page
21:22
<vagrantc>
typing xrandr will give you a list of modes supported by your videocard/monitor
21:22
if you can get any modes working well enough to use
21:23
<mip5>
so - where should I type that - enable SCREEN_02=shell in lts.conf?
21:23
<vagrantc>
mip5: from an xterm on the thin client
21:23
<mip5>
ok
21:23
<vagrantc>
mip5: or can you get no useable modes at all?
21:24
<mip5>
at this point - no useable modes (but I'll change my lts.conf). I've got a widescreen monitor, and am trying to get the image less "stetched" - default res os 1024x768
21:25
<vagrantc>
but with 1024x768, you could use it enough to run xrandr from an xterm?
21:25
<mip5>
yes - i'll do that as soon as I can get back into the box
21:26
<vagrantc>
you might be able to run it from the a shell prompt by setting the correct DISPLAY and XAUTHORITY variables.
21:26
<mip5>
I think the problem is that I'm using vga, and can't seem to detect the monitor. hopefully running xrandr will get me there.
21:26
<vagrantc>
it'll tell you what it thinks will work
21:27
<mip5>
xrandr says: Failed to get size of gamma for output default. Screen 0: min 640x480, current 1024x768, maximum 1024x768
21:28
<alkisg>
ltsp-localapps xterm
21:28
lspci -nn -k | grep -A 2 VGA
21:28
(the second one, on the local xterm)
21:30
<mip5>
VGA compatible controller [0300]: Intel Corp Atom Processor D2xxx/N2xxx Integrated Graphics Controller [8086:0be2] (rev 09)
21:31
<alkisg>
Driver in use? i915?
21:32
Ouch, is that poulsbo?
21:32
<mip5>
How could I tell that?
21:32
<alkisg>
The driver in use appears at the output of the previous command
21:33
$ lspci -nn -k | grep -A 2 VGA
21:33
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
21:33
Subsystem: CLEVO/KAPOK Computer Device [1558:072f]
21:33
Kernel driver in use: i915
21:33
<mip5>
my last line of output discusses the audo device - nothing about kernel driver
21:34
<alkisg>
Do you have anything like XSERVER=vesa etc in your lts.conf?
21:34
<mip5>
Sorry - there is this before audio driver: Subsystem: Intell Corp Device [8086:1999]
21:35
no
21:35
<alkisg>
The following might help: /var/log/Xorg.0.log (from the local xterm), lts.conf, and distro/version
21:36
http://lists.freedesktop.org/archives/dri-devel/2012-January/018076.html ==> kernel 3.3: gma500: Add support for Cedarview
21:39
I.e. it's possible that using a very recent distro/version for your chroot, like e.g. ubuntu quantal, might make your clients graphics work much better (faster + correct aspect ratio)
21:41
<mip5>
Could I run 12.04 as my main OS, and have a chroot that's 12.10? Do you recommend moving everything to 12.10?
21:42
<alkisg>
Sure you could do that
21:42
<mip5>
Could you tell me how to build that chroot?
21:43
<alkisg>
I'm not sure yet that this will fix the problem... you'd need to verify that your graphics card is only supported properly in 3.3+ kernels before switching to 12.10 or other distros
21:43
I think ltsp-build-client --dist quantal or something likethat
21:43
<mip5>
okay - I do see lots of stuff regarding VESA in my Xorg.7.log
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22:08
<mip5>
Well, I'll have to wait on this until tomorrow. I am not sure how to get a different driver into my chroot environment. Specifying different XRANDR_MODE_0 = only seems to work for 1024x 768, which is what's working on the default settings anyway. Thanks for your help though.
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22:48
<mint__>
Hey Gang - I was trying to get my thin client to display 1366x768 resolution using xrandr, but failed.
22:48
I booted to a usb live disk of Mint14, and the 3.5 kernel does include drivers that work with the graphics card in this client
22:50
vagrantc: alkisg was helping me regarding this display issue. Turns out drivers in Mint14 (3.5 kernel) work with this Intel graphics card.
22:54
<vagrantc>
mint__: you might be able to just pull a backported kernel into your chroot...
22:55
<mint__>
not sure how to do that - add backports to sources.list in chroot, and apt-get install?
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22:58
<mint__>
vagrantc: lsmod shows a gma500_gfx - looks like it might be the one
23:13
Gotta run now - thanks for your help.
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