IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 27 May 2010 (all times are UTC)
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| 01:58 | <alkisg> Good morning
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| 02:26 | <johnny> good morning alkisg
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| 02:26 | people are so happy about the new clients
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| 02:26 | now i just need to find some solution to remind them every 20 minutes to look around to see if anybody else wants to use the computer
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| 02:27 | we only have 3 terminals.. and it's really not enough.. but we don't have room but for one more
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| 02:29 | sad huh:(
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| 02:30 | <alkisg> Well it should be easy to show them a reminder...
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| 02:30 | I'd just write a script to show them a notification bubble every 20 minutes
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| 02:30 | <johnny> ah.. notification bubble.. that's probably one of the lesser intrusion solutions
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| 02:30 | <gnunux> bonjour
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| 02:30 | hi (sorry)
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| 02:30 | <johnny> i was also considering a message in the top bar
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| 02:30 | bonjour :)
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| 02:31 | * johnny is not french | |
| 02:31 | <johnny> but.. you can surely greet us in that way
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| 02:32 | <dobber> anyone worked with a solar panel ?
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| 02:33 | can i power up a thin client with that
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| 02:36 | <johnny> uhmm.. i don't see why not.. if your solar panel can power it..
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| 02:36 | probably would want an arm based client
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| 02:36 | <dobber> why ?
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| 02:36 | <johnny> power usage
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| 02:36 | <dobber> ah i see
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| 02:36 | <johnny> much better than anything intel has
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| 02:37 | even the atom..
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| 02:37 | <Appiah> O_o
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| 02:37 | <johnny> it's why almost all the smartphones use arm nowadays
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| 02:37 | and they can run modern operating systems
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| 02:37 | linux (and linux distros) run on arm for many of the popular applications
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| 02:37 | and ubuntu official targets arm as well
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| 02:37 | officially*
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| 02:38 | so, everything in main must compile against arm
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| 02:38 | <Appiah> just check your hardwares power usage
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| 02:38 | <johnny> and run
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| 02:38 | <dobber> ok thanks
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| 02:38 | <johnny> Appiah, a standard pc could use from 90 -150W
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| 02:38 | <dobber> i've never used solar panels before
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| 02:38 | <johnny> the little dual core atom boxes i bought max out at 35W
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| 02:38 | <dobber> so i was curious
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| 02:39 | <johnny> obviously a cellpone uses much less than that :)
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| 02:39 | <dobber> and how much is the arm box? 10 watts ?
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| 02:39 | <Appiah> check the specific arm box
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| 02:39 | <johnny> it really depends
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| 02:39 | how much else they use
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| 02:39 | check out beagleboard for a reference implmentation
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| 02:40 | <Appiah> look up a model you have / going to buy
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| 02:41 | <johnny> dobber, the processing power in the phones themselves is now up to 1Ghz
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| 02:41 | insane ..
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| 02:41 | i think the current iphone is 600mhz..?
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| 02:41 | certainly quite fast enough to handle most things
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| 02:42 | <dobber> well, the modern "100-150$ thin clients"
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| 02:42 | are basicly phones with vga and network ports
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| 02:42 | <johnny> dobber, some of the different boards/machines/phones include dedicated graphics processors.. which changes the usage pattern a bit
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| 02:42 | no..
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| 02:42 | phones are basically computers that don't have vga ports :)
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| 02:42 | <dobber> yeah, that way :)
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| 02:42 | http://www.netbooknews.de/11904/norhtec-gecko-surfboard-keyboard-pc-mit-x86-cpu-fur-99-dollar/
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| 02:47 | <johnny> it's all the same these days really
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| 02:48 | atm.. most people don't need much more than what 3 years agos computers can do
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| 02:48 | or more even..
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| 02:48 | so.. now the mobile stuff is catching up to match
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| 02:48 | exciting stuff really
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| 02:49 | * johnny pokes alkisg | |
| 02:50 | <johnny> alkisg, so.. have you done any more experiments with xmpp? there's some exciting stuff out there coming up finally
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| 02:50 | <dobber> that is true johnny
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| 02:51 | <alkisg> johnny: yeah it'd be nice if we had an xmpp based teacher/student communication program,...
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| 02:51 | unfortunately I didn't find any easy way to do it, so I used python/twisted/bash instead
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| 02:51 | <johnny> alkisg, that's pretty broad
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| 02:51 | that's the kind of thing i can convince some people to do :)
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| 02:51 | you just have to spec it out
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| 02:52 | <alkisg> Specing is easy... as long as there's a chance that it gets implemented
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| 02:52 | <johnny> alkisg, also.. google wave is available as a xmpp component nowadays.. in some fashion
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| 02:52 | i don't recall, but it involves prosody
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| 02:52 | <alkisg> The best thing to have would be an empathy plugin where the teacher exposes classes and the students join it
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| 02:52 | *them
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| 02:52 | <johnny> sure.. but what do they do the the classes?
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| 02:53 | <alkisg> ..and the teacher can then transmit files to the students, or help them with remote desktop etc
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| 02:53 | <johnny> hmm.. you don't seem to far away from that
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| 02:53 | <alkisg> Most of the functionality is already there; it just isn't classroom oriented
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| 02:53 | <johnny> sine the remote desktop stuff is there
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| 02:53 | and transmit files is there
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| 02:53 | via zeroconf
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| 02:53 | <alkisg> Right, but you can't tell a teacher to transmit 10 files to 10 students one-by-one
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| 02:53 | There's no notion of "group" or "classroom" for the moment
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| 02:54 | <johnny> a group? well.. there are groups in xmpp
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| 02:54 | in the buddy list
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| 02:54 | also.. wouldn't the entire local subnet under the zeroconf look like a group?
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| 02:54 | obviously that would depend on your network segmentation
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| 02:54 | <alkisg> Yeah that would work too, in most cases.
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| 02:54 | <johnny> the other way, would be to use the shared groups functionality of xmpp
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| 02:55 | so, you assign it at the sys admin level
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| 02:55 | instead of adhoc based on who's in the classroom
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| 02:55 | that's another valid approach
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| 02:55 | <alkisg> Well the fact is that empathy doesn't support sending files to multiple recipients etc... so someone knowledgable would have to take up on this
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| 02:55 | <johnny> so.. then what? you're just left with a ui problem with the lack of "Send to Group" ?
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| 02:56 | sure.. but that's only one issue
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| 02:56 | what are the rest
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| 02:56 | if you write this down.. i will bear down on some people to get it done
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| 02:56 | <alkisg> E.g. execure remote commands...
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| 02:56 | <johnny> not necessarily next week
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| 02:56 | but.. hmm.. wasn't there this dbus based thing that was like apple script
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| 02:56 | <alkisg> I.e. it could be something like an italc replacement, where the teacher manages his students
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| 02:56 | <johnny> then you could just send those around
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| 02:57 | <alkisg> dbus doesn't work between different pcs currently
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| 02:57 | <johnny> sure.. but i meant sending them one of these scripts to execute
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| 02:57 | which are mapped to dbus verbs and nouns
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| 02:57 | <alkisg> And if xmpp is going to be used as the backend, there's no point in limiting it to the local network
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| 02:57 | <johnny> of course not
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| 02:58 | <alkisg> So I don't think dbus would be required in the implementation...
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| 02:58 | <johnny> i wonder if that project is still around
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| 02:58 | dbus for the "execute commands"
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| 02:58 | * johnny will brb | |
| 03:18 | <johnny> had to do some stuff
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| 03:22 | alkisg, http://www.pendrivelinux.com/boot-from-usb-without-bios-support-via-plop-cd/
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| 03:22 | hopefully grub evolves enough of a usb driver to do the same..
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| 03:25 | pendrivelinux sure has alot more posts nowadays :)
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| 03:25 | alkisg, .. portable virtualbox!
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| 03:25 | <alkisg> johnny: thanks, that looks good. Did you read how it works? Does it copy itself just below 640Kb and change the conventional ram reported by the bios?
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| 03:25 | <johnny> that surely sounds like a great way to use my tools on somebody elses computer
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| 03:25 | alkisg, no. i was just browsing and noticed it
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| 03:26 | i was going to ignore that aspect for now, and just looking for a distro that does what i want
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| 03:26 | i know the portable apps stuff for win is pretty good
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| 03:26 | would like to see that merged in with an iso app runner too
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| 03:26 | something that tracked the various livecds and kept it up to date
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| 03:27 | hmm.. it's just too bad about the filesystem requirements tho..
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| 03:28 | since windows doesn't have an ext2/3/4 native driver :(
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| 03:30 | hmm.. another solution might be to use wubi and portable virtual box..
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| 03:31 | that is.. until linux can boot to a virtual box disk image natively..
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| 03:33 | one step closer..
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| 03:33 | http://www.pendrivelinux.com/universal-usb-installer-easy-as-1-2-3/
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| 03:33 | but.. it's windows only
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| 03:33 | * johnny thinks | |
| 03:34 | <johnny> whoa http://www.pendrivelinux.com/linux-live-usb-creator/
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| 03:34 | also windows..
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| 03:35 | that one even sets up the portable virtual box!
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| 03:35 | now.. does such a thing exist for linux..
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| 03:37 | * johnny doubts there will be a portable colinux ever | |
| 03:55 | <johnny> alkisg, ! http://liveusb.info/dotclear/index.php
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| 03:55 | that's exactly what i was looking for i think
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| 03:55 | currently waiting for it to translate from french
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| 04:07 | ah.. it looks like they kinda went a bad way in implementing it.. it completely requires ubuntu :(
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| 04:07 | very hard coded
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| 07:21 | <alkisg> !compiz
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| 07:21 | <ltspbot> alkisg: "compiz" :: if compiz is giving you problems, one way to disable it for all users is: sudo gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.mandatory --type string --set /desktop/gnome/session/required_components/windowmanager metacity
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| 07:22 | <dobber> man, i spend 2 days figuring out the same thing!
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| 07:22 | <alkisg> Heh, the bot here is wise, you're better search its knowledge :D
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| 07:23 | <dobber> i didnt know it was compiz problem at the begining :)
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| 07:23 | <vizz> !pulseaudio
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| 07:23 | <ltspbot> vizz: Error: "pulseaudio" is not a valid command.
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| 07:33 | <dobber> The Lutheran Theological Seminary at Philadelphia (LTSP)
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| 07:33 | nice google
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| 07:46 | how do i change the boot splash of the client ?
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| 07:46 | in chroot i updated plymouth, updated initrd
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| 07:46 | update-image
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| 07:46 | and nothing
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| 07:46 | still the same splash
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| 08:10 | <gibby> hello all - setting up ltsp 5 on ubuntu 10.04. server is amd64. client i386. Some workstations the client locks up after putting up the desktop background. Others it works fine. Any ideas
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| 08:12 | <dobber> gibby i think fly23 has this same problem
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| 08:13 | <fly23> gibby: do you get thrown back to the login-manager?
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| 08:14 | <gibby> no - just hangs. no mouse movement or icons or menus
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| 08:15 | <fly23> hm, after the login, or while ldm should load?
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| 08:15 | <gibby> after login
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| 08:15 | <fly23> ok, my stations won't come so far
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| 08:16 | <dobber> my stations freeze before ldm ;)
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| 08:37 | <gibby> is there a log anywhere that may shed some light on this problem?
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| 08:37 | <fly23> try $HOME/.xsession-errors
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| 09:03 | <gibby> seems to be an xserver issue. When I use vesa it boots into desktop fine but at low resolution. resolution setting in lts.conf made no difference. when I removed XSERVER back to same problem. How would I find out which driver it is using?
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| 09:20 | <thunsucker> kusznir: hows your situation coming
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| 10:26 | <kusznir> thunsucker: I got my 9.10 box stable by completely gutting and rebuilding the network authentication system....2 hard days of work.
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| 10:27 | My 9.04 (formally my main termserver due to stability) is still highly unstable, and I don't know why. Probably need to reformat it.
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| 10:29 | So, basically Windows strikes again...never trust anything to Windows....Especially applicable to ones authentication system (AD).
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| 15:00 | <atkuepker> Is it unusual that there's no /etc/X11/xorg.conf on the terminal as in mentioned on p. 25 of the LTSP Admin Guide?
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| 15:09 | <Gadi> atkuepker: the terminal should never have an /etc/X11/xorg.conf
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| 15:09 | if you configure something, it creates a /var/run/ltsp-xorg.conf
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| 15:11 | <atkuepker> ah, so the docs are off slightly. ok.
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| 15:13 | <akuepker_> well, that was rather obvious proof that i845 still isn't working =)
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| 15:17 | 50/50 chance to terminal lockup when switching from shell to X
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| 15:19 | <alkisg> Did you try that newer 2.6.34 kernel? Or, with KMS off?
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| 15:32 | <akuepker_> setting up a test box now for the 2.6.34 kernel
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| 15:32 | nomodeset and i915.modeset=false failed
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| 15:32 | <alkisg> Is it false or 0? Did you google it?
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| 15:33 | <akuepker_> 2.6.34 is going to be a tough sell for production environments though. Not looking forward to selling that idea to the IT Director.
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| 15:33 | <alkisg> I think that driver was more stable in 9.04, maybe you could stick to that until it's stable for 10.04 again
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| 15:36 | <akuepker_> after all the articles I've read about Jaunty's Intel video tribulations, it's rather sad if 9.04 was more stable than 9.10.
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| 15:37 | I'm still doing some testing here, so I'll play with it further. Tough to determine success when the soak threshold for whether it's working is up 2 business days tho.
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| 15:38 | <alkisg> It was for a laptop with intel 855 that I have. Karmic and Lucid had problems with it. Now with 2.6.34 it's a little better, but it's still worse than in 9.04.
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| 15:39 | <akuepker_> thankfully I have a few boxes to play with now. Gives me the willies trying to sort this stuff out on a production network.
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| 15:56 | <tavis> I have been asking around in #ubuntu ...but i thought i might as here.
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| 15:56 | i can't use any of the fonts in t1-xfree86-nonfree or ttf-xfree86-nonfree even after i have installed them on lucid. Even tried installing maually from the font files. They continue to not register with xlsfonts.
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