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


Channel log from 22 June 2010   (all times are UTC)

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00:22
<vagrantc>
yay!
00:23
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=575031#100
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02:41
<alkisg>
Has anyone tried this as a youtube flash replacement? https://addons.mozilla.org/el/firefox/addon/161869/
02:43
<dobber>
i can try it right now if you want
02:44
<alkisg>
I don't have an ltsp lab available, and I wonder if it helps (as it should)
02:44
Both on cpu + performance
02:44
<dobber>
well, my FF runs localy
02:45
<alkisg>
Ah, so you won't really see any difference (except if you run `top` locally)
02:45
<dobber>
i can install FF on the server
02:45
one second
02:46
the video does not start at all
02:48
<alkisg>
I think the mplayer firefox plugin is also needed (from synaptic)
02:50
On my standalone laptop, it dropped the cpu usage for a full screen video from 50% to 10%
02:51
<dobber>
i have vlc plugin only
02:51
i dont have mplayer at all
02:51
mplayer
02:51
lets install this
02:51
<alkisg>
"apt-get install gecko-mediaplayer"
02:54
<dobber>
mplayer should be on the server too ?
02:54
i dont think this would make a difference in network bandwith
02:55
<alkisg>
It should. Xv needs much less bandwidth than plain X traffic.
02:55
And it should need a lot less CPU.
02:55
gecko-mediaplayer should be on the server if firefox is running on the server
02:55
I'm not sure what happens with a local firefox
02:56
<dobber>
if i disable the adobe flash plugin
02:56
it does not work
02:57
ok with flash enabled
02:57
<alkisg>
!flash
02:57
<ltspbot>
alkisg: "flash" :: Yes, flash sucks. Make sure you have LDM_DIRECTX=True in your lts.conf file, or if it's just youtube you're after, try the HQtube plugin. Install greasemonkey for firefox, and see http://userscripts.org/scripts/show/24999
02:57
<dobber>
it replaces the youtube layout, so i guess it's using mplayer now
02:57
<alkisg>
You can verify it by right-clicking on the video
02:57
!forget flash
02:57
<ltspbot>
alkisg: The operation succeeded.
02:57
<dobber>
mplayer for sure
02:58
<alkisg>
!learn flash as Yes, flash sucks. Make sure you have LDM_DIRECTX=True in your lts.conf file, or if it's just youtube you're after, try some flash replacing plugin like https://addons.mozilla.org/el/firefox/addon/161869/ (per user installation, gecko-mediaplayer is also needed).
02:58
<ltspbot>
alkisg: The operation succeeded.
02:59
<alkisg>
!flash
02:59
<ltspbot>
alkisg: "flash" :: Yes, flash sucks. Make sure you have LDM_DIRECTX=True in your lts.conf file, or if it's just youtube you're after, try some flash replacing plugin like https://addons.mozilla.org/el/firefox/addon/161869/ (per user installation, gecko-mediaplayer is also needed).
03:03
<dobber>
wooow
03:03
mplayer took 6 - 7.5% cpu
03:04
and giving a smooth video over the network
03:04
flash is taking 20%+ and the video is a slideshow
03:04
<alkisg>
And it shouldn't make any difference in the bandwidth if you use full screen or not (with XV, the scaling is done on the client)
03:04
<dobber>
i dont have LDM_DIRECTX=True
03:04
<alkisg>
Ah.
03:05
Hmmm no I don't think XV works over ssh. I'm not sure though.
03:05
<dobber>
i'm gonna reboot to set it
03:05* alkisg always uses LDM_DIRECTX=True
03:06
<dobber>
what does it do?
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03:06
<alkisg>
It disables encryption, so it offers much better speed at the cost of security
03:07
<dobber>
ah, i should have read about this :(((
03:07
ok with ldm_direcx=true
03:07
video is smoother
03:07
but again 20%+
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03:07
<alkisg>
The difference in on the ssh usage
03:08
With ldm_directx=false, sshd can take all the cpu
03:10
<dobber>
mplayer is 5% cpu and video is super fast
03:10
full screen - super fast again
03:11
nice find alkisg
03:11
i can convert FF to server side now
03:12
<alkisg>
Hmmm maybe we should make a .deb package out of it. I'll tell sbalneav when he comes around.
03:12
(so that it's available for all users at once - now each one has to install the plugin seperately)
03:13
<dobber>
on a faster video it tooks 10% cpu for full screen
03:14
still much better than flash
03:16
alkisg a .deb on the plugin only or ?
03:16
<alkisg>
Yeah on the plugin only. And it could depend on gecko-mediaplayer so that it's automatically installed too.
03:17
<dobber>
ok there must be a problem here
03:17
a 3th video now takes 20% cpu
03:17
and watching is a slideshow
03:18
<alkisg>
If you right click on it does it say mplayer? Or adobe flash?
03:18
<dobber>
mplayer
03:19
<alkisg>
A problem then.
03:20
<dobber>
4th video 35% + cpu usage
03:21
ok i restarted firefox
03:21
now it's ok-ish
03:21
<alkisg>
Uhm, are the old videos closed?
03:21
Maybe it keeps playing them in the background
03:21
<dobber>
yes but ff was not restarted between plays
03:21
no
03:21
when the video ends, the mplayer process exits
03:22
<alkisg>
Hmmmm we should report this in the plugin page then
03:23
I wonder if a firefox plugin could be made that wouldn't use any javascript rewritting
03:24
<dobber>
with two tabs playing
03:24
mplayer takes around 10% cpu on each process
03:24
but video is ok-ish
03:24
<alkisg>
One that would use the same UUID as the flash plugin, and then either switch to mplayer if it's a supported video, or to flash.
03:24
<dobber>
nah, still slideshow
03:24
<alkisg>
That should be much more stable than the existing javascript solutions...
03:25
<dobber>
if i close one of the tabs, the video is smooth again
03:25
<alkisg>
I think XV only supports one surface
03:25
So any additional surfaces use X11
03:26
<dobber>
i think it's cpu dependant
03:27
well i dont know
03:27
but it's still much much better than adobe flash
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03:40
<dobber>
!docs
03:40
<ltspbot>
dobber: "docs" :: For the most current documentation, see https://sourceforge.net/apps/mediawiki/ltsp/index.php?title=Ltsp_LtspDocumentationUpstream
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07:41
<narendra>
Hello, All, In my college, I have some small thin client box - right somebody has done a setup with Xrdp + VNC (I think so) , Can i install LTSP and connect those thin nodes ?
07:43
Hello, All, In my college, I have some small thin client box - right somebody has done a setup with Xrdp + VNC (I think so) , Can i install LTSP and connect those thin nodes ?
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07:44
<shawnp0wers>
Mornin' everyone.
07:44
<narendra>
Can somebody give me hint for my problem
07:59
How can in login to LTSP server from a RDP client like rdesktop ?
07:59
any proxy or protocol converter ?
08:00
How can i use Xrdp with LTSP ?
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08:06
<narendra>
Hi, Can i use rdesktop for LTSP???
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08:12
<Ghid0rah>
can you use it how?
08:12
You can set rdesktop up as a shell
08:12
in lts.conf
08:13
you can use it on your clients to connect to a windows machine
08:14
<narendra>
But What is the command to do that
08:14
I am asking,
08:15
I want to use rdesktop and LTSP
08:15
So may you tell me the procedure or any url
08:16
<vmlintu>
narendra: you want to login to linux desktop from windows machines?
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08:18
<narendra>
Yup
08:19
vmlintu, Yup
08:19
<vmlintu>
narendra: I would recommend using NX for that
08:19
<narendra>
vmlintu, Basically, I have some old thin box which only understand RDP
08:21
vmlintu, is it possible to that
08:22
<vmlintu>
I have never tried running an rdp server, this was the first time I've heard of xrdp
08:23
<narendra>
xrdp connects to VNC
08:24
so may be I need to search similar to xrdp which connect to xdm as i am using 4.2
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08:34
<narendra>
hmm It is possible to do with NX as proxy to X11 for rdesktop, let me do it
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08:43
<_UsUrPeR__>
shawnp0wers: ping? (I replied to you)
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09:06
<rickogden>
hey, how do I get a partition from the local hdd of a client to mount on the terminal server (like pendrives do automatically)?
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11:05
<PMantis>
Hi guys, quick Q: can an entry in lts.conf use more than one "like" declaration?
11:14
Hmmm, just forgot the 'like' idea for now... I have a thin client with DVI and VGA out. Boots from an Ubuntu 10.04 / LTSP 5.2 server. Screen is scrambled with DVI. Set X_MODE_0=1600x900 and XRANDR_MODE_0=1600x900 and rebooted, nothing. Is there a way to be sure the thin client picked up these settings?
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11:33
<PMantis>
Got VGA working with LTSP-T1420, with the *_MODE_0 lines in lts.conf, but can't get DVI working. Just displays scrambled, out of sync.
11:33
jammcq said to ask gadi about it... but no Gadi. :-(
11:34
shawnp0wers, Hey Shawn - like your articles. You doing anything with LTSP for the journal?
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12:44
<shawnp0wers>
PMantis -- thanks!
12:45
not for LJ right now, but for the school I'm setting up a couple LTSP clusters this summer
12:45
Perhaps it will turn into some articles, at least online, for Linux Journal
12:46
pmantis: I'd try the multi-"LIKE" thing and see
12:47
add two easy-to-identify commands
12:47
and see if it honors both...
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13:02
<PMantis>
shawnp0wers, That's a good test, but I ended up losing interest. :)
13:03
<shawnp0wers>
heheh -- sorry, that was my reason for *suggesting* the test, and not doing it myself
13:03
:D
13:03
<PMantis>
LOL
13:04
shawnp0wers, I installed LTSP into a private school that I volunteer at. I'm sure you're familiar with what awesome machines get donated to schools. They work much better as thin clients. :)
13:04
shawnp0wers, So, I'd be interested to hear about your experiences as well.
13:05
<shawnp0wers>
Indeed. I'm the tech director for a K12 school in Michigan. We have 50+ Pentium 133mhz computers running as LTSP 4.2 clients. :)
13:05
PMantis: Hang on a sec, I'll get you a link...
13:05* PMantis hangs on
13:06
<PMantis>
Wow, P133's!
13:06
<shawnp0wers>
One of the first things I ever got published in Linux Journal. :) http://www.linuxjournal.com/article/9688#mpart2
13:06
Yeah, I wouldn't suggest the P133 thing anymore, they suck bad
13:06
:D
13:08
<PMantis>
Heh, cool. That's pretty cool to be published in LJ. The most I did was a couple articles in a regional computer magazine.
13:08
<shawnp0wers>
I actually started with that issue (also had the Arcade machine on the cover), and ended up on staff.
13:10
<PMantis>
BTW, what's the the "eye" in your pic? Going for a silly look? :-)
13:10
Boy, those articles I wrote was a while ago: http://www.techny.com/articles.cfm?person=127&go=0.619104178274
13:12
<shawnp0wers>
PMantis: heh -- the cocked eyebrow is just my "thing" I guess.
13:12
It was better than the guy with a butt crack showing
13:12
or the guy with a thing hanging out of his nose
13:13
<PMantis>
ROFL, What? No plumbers in LJ!!
13:13
<shawnp0wers>
hehehe
13:13
<alkisg>
shawnp0wers: did you manage to boot LTSP 5.x with anything less than 64MB RAM?
13:14
<shawnp0wers>
alkisg: Nope.
13:14
Gave up trying.
13:14
<alkisg>
...and, how much RAM on these 4.2 clients?
13:14
<shawnp0wers>
The old clients have 32MB of ram, and 96MB of network swap space
13:14
still work OK with LTSP 4.2
13:14
I'll still have some in use next year
13:14
<PMantis>
ewww, 64MB!
13:15
<shawnp0wers>
Yeah, LTSP5 is such a different beast, but in a good way
13:15
<alkisg>
And what distro/version on the server?
13:15
<shawnp0wers>
K12LTSPELwhateveritis
13:15
In fact, my goal for thesummer is to get that CentOS box running a similar version of firefox to the LTSP5 machines running Ubuntu
13:16
it's awkward when users go back and forth
13:16
<alkisg>
Sounds good - at least for those 32mb machines, I can't think of anything better for them...
13:17
I don't think anything recent boots with less than 64m
13:17
<shawnp0wers>
I don't think so either.
13:18
And I dont' have to try to support video or flash on them anymore
13:18
(Yes, I used to, and it worked. Sometimes)
13:18
They even have ISA audio cards. But I got 'em to work.
13:18* shawnp0wers pats himself on the back
13:18
<shawnp0wers>
:)
13:20
<alkisg>
Heh, I did manage to get isa cards working too on one of my labs, but after 2-3 ubuntu series updates I just threw them away along with the serial mice
13:22
<shawnp0wers>
I'm probably stuck with a handful of these old beasties for another couple years
13:22
I probably wont' have time this summer (sad, since it just started) but I have many iMacs (old colored ones) that are booting as thing clients now
13:23
I'd like to try booting them to LTSP5
13:23
<sean74>
alkisg: hi hi
13:23
<shawnp0wers>
but I haven't had the time to make a PPC kernel, etc
13:24
<alkisg>
Hi sean74
13:25
<sean74>
alkisg: i tried to bootup another machine, it able to load up the ubuntu loading screen and suddenly the monitor just turn off
13:25
alkisg: any idea? is it because of SCREEN_02=shell SCREEN_07=LDM
13:26
<PMantis>
sean74, Perhaps the resolution is being detected improperly. Try this in lts.conf: XRANDR_MODE_0=1024x768
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13:29
<sean74>
PMantis: ok, thanks. i just need to perform ltsp-update-kernels, do i need to build-image again?
13:29
<PMantis>
You don't need to do either for an update to lts.conf.
13:30
<sean74>
PMantis: ok, so i just need to update the /var/lib/tftpboor/ltsp/i386/lts.conf file?
13:31
<PMantis>
sean74, Yes, then reboot and see if it works. If so, then you should probably update the resolution to what you REALLY want, but the above example is a safe test.
13:33
<sean74>
PMantis: ok, but i boot from this machine before
13:34
<PMantis>
sean74, The key is to boot with that config option in lts.conf.
13:34
<sean74>
PMantis: ok, what if i have different type of monitor
13:35
<PMantis>
sean74, This would go in a section JUST for this thin client. You can base it on MAC address, hostname, or IP.
13:35
sean74, For example [192.168.1.56]
13:35
Then the X line just below that.
13:36
<sean74>
PMantis: oh ok
13:37
PMantis: i'm building the image now, will try it once completed. thanks
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13:57
<sean74>
PMantis: it works, thanks
13:58
<PMantis>
sean74, You're welcome!
13:58* PMantis dances
13:58
<sean74>
PMantis: i have another question, i am currently using fat client
13:59
PMantis: the system->administrator->printing keeps showing server printer instead of localhost by default
14:00
PMantis: but i reinstall another ltsp server from scratch and perform the same steps
14:00
<PMantis>
sean74, I'm not very familiar with that, but perhaps someone else here will see your question.
14:00
<sean74>
PMantis: its ok, thanks
14:11
PMantis: hi, just would like to confirm. i remove the screen_02 = shell and screen_07 = ldm. the monitor was ok
14:11
PMantis: instead of adding the res line
14:11
PMantis: any idea?
14:11
<PMantis>
sean, That's odd. I wouldn't expect that behavior.
14:12
sean74, Unfortunately, I don't have any other comments for that situation.
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14:18
<PMantis>
Anyone know why a LTSP-T1420 thin client boots to a VGA monitor OK, but will not sync over DVI?
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14:29
<atkuepker>
PMantis Interesting. I'll have to try that. I have some of the S3-driven T1420s around here that didn't play well at first, but they're working now with the Compiz turned off.
14:29
<PMantis>
atkuepker, Ah, Compiz isn't even installed.
14:30
It's Xubuntu
14:30
<atkuepker>
ah. plain vanilla Ubuntu probably wouldn't help much then.
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15:03
<alkisg>
PMantis: can you manage to get it working with xrandr commands after you login?
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15:27
<PMantis>
alkisg, I never tried that... dunno how. :)
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16:30
<faranda>
hi there...
16:30
someone knows how to initiate the usb devices plugged in client side.
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19:52
<danno>
Hi all - I'm struggling to get sabayon working in my fat client implementation. Saboyon is installed in the chroot and on the server side. I create teh profile on teh server and copy it up to the chroot. update image but no happiness. Any thoughtts?
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20:03
<danno>
?
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22:59
<map7>
With the current LTSP5 available under Ubuntu 10.04 is it possible to allow local apps to see network drives which are mounted under /media on the server?
22:59
I've set 'MOUNT_LOCAL_MEDIA=True' and it doesn't seem to work
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23:30
<chupacabra>
http://twitter.com/joemccann/status/16798259715
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