IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 15 January 2009 (all times are UTC)
| 00:09 | alkisg has joined #ltsp | |
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| 00:21 | <kc8pxy> johnny: openrc 0.4.1-r1 has the following blockers.
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| 00:21 | [blocks B ] <sys-fs/udev-133 ("<sys-fs/udev-133" is blocking sys-apps/openrc-0.4.1-r1)
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| 00:21 | [blocks B ] <sys-apps/sysvinit-2.86-r11 ("<sys-apps/sysvinit-2.86-r11" is blocking sys-apps/openrc-0.4.1-r1)
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| 00:21 | <johnny> go for it
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| 00:21 | install em
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| 00:21 | <kc8pxy> and johnny -c them and try it?
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| 00:21 | <johnny> -c them?
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| 00:22 | add em to your keywords in the chroot
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| 00:22 | and install it all
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| 00:22 | hanthana has quit IRC | |
| 00:23 | <kc8pxy> since when in package.keywords, a directory?
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| 00:23 | 2 files, ltsp and temp
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| 00:28 | johnny: not sure you understood what i said.. they are installed, and blocking openrc-0.4.1-r1
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| 00:29 | adding them in the only sane way i saw did nothign to the emerge -vp.. if i remove the -vp, it will just die on me.
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| 00:31 | <johnny> since when what?
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| 00:31 | could it work as a directory? since years
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| 00:32 | you need to keyword them.. get a newer version?
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| 00:32 | <kc8pxy> if i try and remove the blockers(at least udev), i get the 10 second, "do you REALIZE this will hose your system?!?" emerge countdown, which i halted.
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| 00:32 | <johnny> don't remove them
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| 00:32 | upgrade them
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| 00:32 | i never said anything about removing them.. ever
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| 00:33 | * kc8pxy must have an archaic view of how to fix blockers. | |
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| 00:36 | <kc8pxy> johnny: do we not need to specify ~arch anymore? it assumes that you are adding ~arch if it's in keywords?
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| 00:37 | baselayout 2.0? huge changes?
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| 00:37 | yeah, i know I'm probably pestering you.
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| 00:39 | <johnny> it's not baselayout 2 by default?
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| 00:39 | did i screw that up?
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| 00:40 | hmm.. i was pretty sure that my setup would take care of getting baselayout
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| 00:40 | i was told that the default portage had the blocker dependency resolution that should take care of making it install
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| 00:40 | the stable portage
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| 00:40 | can you tell me which version of portage is stable in there?
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| 01:01 | <cyberorg> how do we benchmark network bandwidht usage? i want to compare LDM_DIRECTX, normal LDM, xrdp, nx-agent etc
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| 01:10 | <kc8pxy> johnny: openrc pulled in baselayout 2.0
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| 01:11 | johnny: portage 2.1.6.4 is installed
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| 01:15 | <johnny> hmm.. i thought that one was new enough.. i was forcing 2.2 until i found that the changes had been backported
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| 01:15 | what other versions are there kc8pxy ?
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| 01:32 | <kc8pxy> installing eix in the chroot to make this simpler
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| 01:35 | * kc8pxy is watching a vbox boot ltsp | |
| 01:36 | <kc8pxy> johnny: i REALY like this poenrc.
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| 01:36 | openrc
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| 01:37 | unlike the standard init, i got only 2 warnings, and the WERE warnings, not errors, before i hit runlevel 3 :)
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| 01:38 | /var/lib/xkb doesn't exist, and /var/cache/localapps doesn't exist.
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| 01:38 | <johnny> yeah.. i need to do something about those ..
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| 01:39 | <kc8pxy> nice clean, sophisticated boot though, otherwise.
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| 01:39 | * kc8pxy still thinks it would be cool to have a nice bootsplash :) | |
| 01:39 | <johnny> kc8pxy, try to generate one with genkernel.. see if it works.. we can change the flags..
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| 01:40 | as soon as i know what works.. i just didn't have time to investigate
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| 01:40 | <kc8pxy> kk
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| 01:40 | np
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| 01:40 | <johnny> and there are a few too many bootsplash situations going on right now..
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| 01:40 | <kc8pxy> working is more important than pretty :)
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| 01:40 | ltsp client barfed.
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| 01:41 | warnings, setrlimit(RLIMIT_NICE, (31,31)): Operation not permitted
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| 01:42 | same barf on RLIMIT+RTPRIO, (9,9)
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| 01:42 | those are in main.c
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| 01:43 | module-detect.c barfed that it didn't find any soundcard(i have sound disabled in vbox).
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| 01:44 | <johnny> kc8pxy, that's pulseaudio..
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| 01:44 | those aren't errors..
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| 01:44 | hopefully they will disappear from pulseaudio
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| 01:44 | i hope it is fixed in newer version :)
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| 01:44 | <kc8pxy> 3 earnings, 3 errors.
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| 01:45 | <johnny> and then?
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| 01:46 | <kc8pxy> after ltsp-clients, throes, network filesystems worked fine, syslog.ng and local, all fine.
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| 01:47 | but the ltps client finally bafed, saying it couldn't initialize daemon
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| 01:47 | dropped me to a CLI login
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| 01:49 | <kc8pxy> johnny: i need to crash soon.. recommendations?
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| 01:49 | <johnny> ldm should start
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| 01:49 | it is possible you don't have ldm..
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| 01:52 | <johnny> kc8pxy, is it using the overlay in the chroot?
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| 01:53 | <kc8pxy> johnny: i know i said some of this earlier, but i really appreciate the work you put into gentoo's ltsp implimentation, and putting up with my gripping to help me out :)
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| 01:54 | <kc8pxy> johnny: it barfed on that path not being there. you mounted /usr/portage, and the new layman tree home is usr/local/portage,, right?
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| 01:57 | failed to source '/usr/local/portage/layman/make.conf'
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| 01:57 | <johnny> that's why you should use that script i posted for you
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| 01:57 | it'll do all that stuff for ya
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| 01:58 | and then unmount it when you exit
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| 01:58 | that way.. if you rm -rf /opt/ltsp/x86 afterwords.. you won't destroy your portage directories and overlays
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| 02:00 | <kc8pxy> johnny: i AM using your script
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| 02:00 | at least to fix things.
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| 02:03 | <johnny> it should have mounted that for ya
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| 02:03 | <kc8pxy> johnny: yes, should have.
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| 02:03 | <johnny> altho that was just a quick rewrite
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| 02:03 | <kc8pxy> ahh
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| 02:03 | <johnny> of what is actually working
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| 02:03 | on my broken computer
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| 02:03 | im going to fix it soon
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| 02:03 | then i can be more help
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| 02:04 | altho.. i still have to update it to the new stuff.. which will suck
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| 02:04 | it'll have to use the backup on the other hard drive
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| 02:04 | <kc8pxy> doh.
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| 02:04 | one look and i found a goof.
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| 02:04 | in yoru cript
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| 02:05 | you have it mounting /usr/local/portage/layman to $LTSP_CHROOT/usr/local/portage
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| 02:06 | i fixed that, and it should work :)
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| 02:08 | how do i manually fire ldm?
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| 02:08 | via xdm?
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| 02:11 | <kc8pxy> johnny: ideas?
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| 02:12 | <johnny> no
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| 02:12 | so.. do you have ldm or not?
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| 02:12 | <generalsnus> hi, how can i see what clients are currently connected to the thin client server? like a list of IP's
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| 02:14 | <kc8pxy> johnny: yeah, tried to fire it manually, and it barfed on gtk+ then i hunt, and see that xorg is not installed.
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| 02:15 | johnny: mebbe it's just me, but doesn't a regular gui on a modern gentoo box need zorg-server?
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| 02:15 | xorg-server?
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| 02:15 | generalsnus: netstat on the server?
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| 02:15 | <johnny> kc8pxy, yes.. alot of stuff didn't seem to happen
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| 02:16 | it died after the first try of extra_packages.. due to the missing blocker resolution
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| 02:16 | can you tell me the portage versions eix says you have?
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| 02:29 | <johnny> kc8pxy, you might need to unmask it tho
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| 02:29 | unmask portage that is
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| 02:32 | <kc8pxy> johnny: where do i do that in teh script?
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| 02:33 | johnny: nuke /opt/ltsp/x86 ?
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| 02:34 | night
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| 02:36 | <johnny> i just told you
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| 02:36 | see if it is masked too
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| 02:36 | and make a file file in the similiar style
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| 02:52 | <Appiah> I'm using X_VERTREFRSH and X_HORZSYNC and it seams to get ignored in my lts.conf
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| 02:53 | anywhere I can check on the client that it really got these settings?
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| 03:07 | <polytan> hi
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| 03:10 | kc8pxy, I'm also trying to get ltsp working on gentoo system
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| 03:11 | currently (client built yesterday with the last version of all programs) I can boot the client without any problem
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| 03:11 | I can specify a lts.conf
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| 03:11 | tarbo has quit IRC | |
| 03:11 | * ogra waits for the but :) | |
| 03:11 | <polytan> but the options (keyboard, etc) in lts.conf aren't used :(
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| 03:11 | and ldm doesn't start
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| 03:12 | <johnny> which keyboard?
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| 03:12 | polytan, i never had anything to test with
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| 03:13 | polytan, none of the X options are implemented afaik
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| 03:13 | * ogra envys johnny for being able to use voise input instead of keyboards :) | |
| 03:13 | <ogra> *voice
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| 03:13 | <polytan> I live in France, so my computers have a french jeyboards
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| 03:13 | <johnny> polytan, sure.. what are you trying to set?
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| 03:13 | <polytan> and doing "loadkeys fr" all the time is quite boring
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| 03:13 | <johnny> what variable are you using in lts.conf ?
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| 03:14 | <polytan> so I put that in the lts.conf (which my client are able to retrieve using tftf (I have a complete lts.conf file in /etc/lts.conf of the client))
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| 03:14 | <Appiah> i put XSERVER = via and XSERVER = vesa in my lts.conf but it ends up using openchrome driver anyways
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| 03:14 | <johnny> polytan, what are you putting in lts.conf?
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| 03:15 | <ogra> XKBLAYOUT="fr" should be the one
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| 03:16 | <polytan> http://dpaste.com/109278/
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| 03:17 | I also tried changing "azerty" by "fr" (right now actually)
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| 03:17 | tarbo has quit IRC | |
| 03:18 | <polytan> and a manual "loadkeys fr" works
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| 03:22 | <ogra> well, ldm calls setxkbmap internally
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| 03:22 | <johnny> polytan,
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| 03:22 | configure_console() {
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| 03:22 | if [ -n "$CONSOLE_KEYMAP" ]; then
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| 03:22 | sed -i 's/keymap="us"/keymap="${CONSOLE_KEYMAP}"/' /etc/conf.d/keymaps
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| 03:22 | fi
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| 03:22 | }
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| 03:22 | that's what should happen..
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| 03:23 | is keymaps started?
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| 03:23 | <polytan> it is started
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| 03:24 | but I have " KEYMAP = "us" " in /etc/conf.d/keymap
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| 03:24 | tarbo has quit IRC | |
| 03:24 | <polytan> uit look like the lts.conf isn't read
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| 03:24 | <polytan> johnny, did you see the bug https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/317286 ?
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| 03:26 | <ogra> if you have KEYMAP = "us" the sed command wont work ... there are spaces and the case is wrong
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| 03:26 | <polytan> it is written in the file
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| 03:26 | KEYMAP="us"
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| 03:27 | is sed case sensitive ?
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| 03:27 | <johnny> hmm.. i'm wondering if you have the wrong version of openrc?
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| 03:28 | in the version you have, it should be keymap not KEYMAP
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| 03:28 | ogra, what's this about the case being wrong?
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| 03:29 | <ogra> sed -i 's/keymap="us"/keymap="${CONSOLE_KEYMAP}"/' wont match KEYMAP
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| 03:29 | <johnny> KEYMAP is wrong
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| 03:29 | keymap is right
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| 03:29 | <ogra> ah
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| 03:29 | <johnny> polytan, it might be that you need to run etc-update in the chroot
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| 03:29 | and merge in all the openrc files
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| 03:29 | * johnny is really really hoping it gets into stable portage soon | |
| 03:30 | <polytan> johnny, pfff
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| 03:30 | <Appiah> any ideas on why my lts.conf X_MODE and X_HORZSTBC settings dont seam to affect my clients?
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| 03:30 | <polytan> what happens with the new way of building clients ?
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| 03:30 | <johnny> huh?
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| 03:30 | <polytan> in the client I built yesterday
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| 03:30 | <ogra> Appiah, release distro ?
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| 03:30 | tarbo has quit IRC | |
| 03:30 | <polytan> I have a baselayout 1 and no openrc
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| 03:31 | tarbo has joined #ltsp | |
| 03:31 | <polytan> it was working before critsmass, wasn't it ?
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| 03:31 | <johnny> you shouldn't have
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| 03:31 | baselayout 2 is the only way i personally was able to get it to work :)
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| 03:31 | <polytan> yes
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| 03:31 | So I am
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| 03:32 | it look like there wasn't emerge -uvDNa world done
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| 03:32 | <johnny> yes.. that's part of the problem i had with kc8pxy
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| 03:32 | <polytan> because I have baselayout 2 unmasked and openrc unmask
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| 03:32 | <Appiah> ogra: Ubuntu 8.10
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| 03:32 | <johnny> what you don't have .. is a version of portage that can resolve the blockers
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| 03:32 | <ogra> Appiah, did you specify CONFIGURE_X=True ?
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| 03:32 | <Appiah> ...
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| 03:32 | no
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| 03:32 | <ogra> Appiah, thats needed in 8.10, it defaults to not create an xorg.conf
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| 03:33 | <johnny> polytan, i was told that the current stable version of portage had the dependency resolution, but it seems that it sitll only works in 2.2
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| 03:33 | * Appiah facepalms | |
| 03:33 | <Appiah> thanks
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| 03:33 | <ogra> since xorg moves away from that
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| 03:33 | <polytan> johnny, sysvinit is missing in the unmask file
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| 03:33 | I have a problem (a simple one) with that)
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| 03:33 | <johnny> polytan, oh.. they must have bumped it behind my back
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| 03:33 | <Appiah> wonder if it says in the docs..
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| 03:33 | <ogra> it should
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| 03:33 | <Appiah> and I just missed it?
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| 03:34 | <polytan> johnny, yes, I hope we will be able to have something working together ;)
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| 03:34 | <johnny> polytan, tell them to hurry up and make openrc stable :)
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| 03:35 | <polytan> johnny, you have unmask the version -r11 and it doesn't exists anymore
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| 03:35 | now, it is -r12 ;)
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| 03:36 | <johnny> i wish the scdript would just error out instead of continuing..
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| 03:36 | tarbo has quit IRC | |
| 03:36 | <johnny> i'll look into that
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| 03:36 | tarbo has joined #ltsp | |
| 03:36 | <johnny> maybe that's the real problem.. and not portage.. :(
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| 03:37 | <Appiah> Looks like the doc in 8.10 does not say that
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| 03:37 | (lts-parameter.txt.gz)
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| 03:37 | <polytan> johnny, which version of udev can I unmask ?
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| 03:37 | I need one better that 133
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| 03:37 | <ogra> well, the wiki should talk about it
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| 03:37 | <Appiah> How can I suggest that this important command gets in ?
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| 03:38 | <ogra> not sure lts-parameter.txt.gz will talk about it, especially since its obsolete in the recent upstream ...
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| 03:38 | <Appiah> O_o
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| 03:38 | <ogra> CONFIGURE_X isnt used at all anymore ...
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| 03:38 | <Appiah> I understand
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| 03:38 | <ogra> and before intreid it defaulted to True ...
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| 03:38 | *intrepid
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| 03:39 | <Appiah> it's only used if you really need to force some settings
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| 03:39 | <ogra> right
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| 03:39 | <Appiah> which is what we needed to do here
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| 03:39 | (some crappy monitors)
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| 03:39 | that wont be replaced in about .. 1-2 years
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| 03:39 | <ogra> since xorg's autodetection improved quite a lot we started to realy on it
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| 03:39 | *rely
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| 03:40 | and with future releases of it you will be able to do less and less in the config file
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| 03:40 | <Appiah> how about changing the lts-paramater.txt.gz to say "THIS IS NOT REALLY NEED ONLY USE WHEN .." blah blah ?
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| 03:40 | <ogra> feel free to file a bug :)
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| 03:40 | <Appiah> oh ;)
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| 03:41 | <polytan> johnny, it is the same on my machine
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| 03:41 | openrc has raised from 0.3 to 0.4 and that change everything
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| 03:41 | udev
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| 03:41 | sysvinit
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| 03:41 | hal
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| 03:41 | cryptsetup
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| 03:45 | <polytan> I hope my server will restart after all changes ...
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| 03:47 | <johnny> hal? i wonder what was pulling that in.. it shouldn't have been openrc..
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| 03:48 | <polytan> hal is because of udev going from <125 to >=135
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| 03:51 | <polytan> I've got ldm !
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| 03:51 | <Appiah> yaay \o/
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| 03:51 | <polytan> but it freezes when I swith back to CLI
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| 03:52 | Appiah, thanks :)
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| 03:52 | <johnny> polytan, as soon as i get my computer back running
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| 03:52 | i'll integrate the changes
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| 03:52 | unless you wanna make a patch for me..
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| 03:52 | to your quickstart profile
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| 03:53 | and see if it gets this far from scratch
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| 03:54 | <polytan> johnny, I can do something
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| 03:54 | once it will work
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| 04:00 | <polytan> johnny, how not to start ldm after boot ?
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| 04:01 | I have a lot of errors I would like to see
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| 04:01 | but once ldm has been started, I can't read them
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| 04:01 | <johnny> you can comment out the screen stuff in /etc/init.d/ltsp-client
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| 04:01 | or actually wait
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| 04:02 | you could try SCREEN_07=shell
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| 04:02 | <polytan> I can start a ldm session
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| 04:02 | <johnny> polytan, it's possible that many of those errors.. are probably not really errors
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| 04:02 | like pulseaudio spew
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| 04:02 | <polytan> johnny, there is one interesting :
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| 04:03 | / is read only
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| 04:03 | <johnny> yes / is read only
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| 04:03 | <polytan> so lts.conf can't be downloaded to /etc
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| 04:03 | <johnny> it should..
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| 04:03 | i set it to bind mount /etc/lts.conf
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| 04:03 | tmpfs bindmount
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| 04:03 | so that it is possible to copy files to it
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| 04:03 | <polytan> what does that mean to "bind miunt /etc/lts.conf" ?
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| 04:04 | <ogra> it creates a tmpfs bindmount for that file in ram
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| 04:04 | <johnny> it means that /etc/lts.conf thinks it is writable.. even if the / isn't
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| 04:04 | <polytan> ok, I see
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| 04:04 | <polytan> but I don't have lts.conf in mount
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| 04:05 | <ogra> that works differently :)
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| 04:05 | <johnny> you can see the list of mounts in /etc/conf.d/ltsp-client-setup
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| 04:05 | <polytan> If I do "# mount" on the client, I have a lot of tmpfs, but no lts.conf
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| 04:05 | <johnny> is it not in there?
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| 04:05 | oh you're right
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| 04:05 | it got lost in the shuffle somehow
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| 04:06 | <polytan> no johnny, it isn't
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| 04:06 | <johnny> polytan, add it to the last entry in that file
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| 04:06 | bind files
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| 04:06 | <ogra> your /var/lib/ltsp-client-setup should be in mount
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| 04:06 | thats the tmpdir where files get used from
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| 04:07 | <polytan> johnny, is it normal that I have to do "exportfs -va" after each modification of the files on the server ?
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| 04:07 | <ogra> unless that mechanism changed in the past (/me doesnt know, ubuntu didnt use the slow bind methot since ages)
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| 04:07 | <johnny> polytan, no..
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| 04:07 | <johnny> polytan, any files? or just /etc/conf.d/ /etc/init.d/ files ?
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| 04:08 | <johnny> polytan, you should always run rc-status after touching the files in those directories
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| 04:08 | <polytan> all the folder / on the server
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| 04:08 | but it doesn't really matter
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| 04:08 | <johnny> no idea..
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| 04:08 | <polytan> it half works
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| 04:08 | <johnny> i'm not all that familiar with nfs
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| 04:08 | <polytan> lts.conf is well download now
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| 04:08 | <johnny> the config options are the same as every other distro
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| 04:09 | polytan, that fix is committed
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| 04:09 | as of right now
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| 04:10 | <polytan> but in /etc/keymaps, instead of keymaps="fr" or "us", I've $CONSOLE_KEYMAPS
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| 04:10 | -S
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| 04:10 | <johnny> /etc/keymaps ?
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| 04:10 | i wonder where that is from
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| 04:11 | <polytan> /etc/conf.d/keymaps
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| 04:11 | <johnny> i've never had a chance to test that bit
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| 04:11 | seems pretty obvious how i got it wrong now
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| 04:11 | <polytan> ok
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| 04:12 | I will see
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| 04:12 | ldm also doesn't check for all the session existing on the server
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| 04:13 | so if I have a new user, there is no default X session chosen and it fails to start
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| 04:14 | <johnny> and you have ldminfod enabled in /etc/xinetd.d ?
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| 04:14 | <polytan> I've never used xinted :)
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| 04:15 | in which file do I have to change something ?
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| 04:15 | rexec , rsh or rlogin ?
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| 04:15 | <johnny> no.. ldminfod
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| 04:16 | /etc/xinetd.d/ldminfod, change disable=yes to disable=no
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| 04:16 | <polytan> I don't have ldminfo in that folder
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| 04:17 | <johnny> hmm.. i added a dep to recent ebuilds to fix that problem
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| 04:17 | it got moved upstream
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| 04:17 | add it to your ~arch
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| 04:17 | and emerge it
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| 04:17 | net-misc/ldminfod
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| 04:17 | it's also in the deps of ltsp-server
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| 04:18 | <polytan> I've sync ltsp repo and I don't have ldminfod
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| 04:18 | eix ldm => ldm
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| 04:23 | <polytan> johnny, ?
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| 04:24 | <johnny> it's in mine..
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| 04:24 | kc8pxy even got it
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| 04:24 | you layman -s ltsp ?
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| 04:24 | <polytan> yes
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| 04:24 | layman -S
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| 04:25 | <johnny> http://git.overlays.gentoo.org/gitweb/?p=proj/ltsp.git
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| 04:25 | its' right there
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| 04:25 | so.. update-eix or something :)
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| 04:25 | and then ~arch it
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| 04:27 | <polytan> * QA Notice: file does not exist:
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| 04:27 | *
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| 04:27 | * dosbin: server/ldminfod does not exist
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| 04:27 | <johnny> tha'ts old
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| 04:27 | you do not hae the newest ebuilds
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| 04:28 | <polytan> src = "git://git.overlays.gentoo.org/proj/ltsp.git"
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| 04:29 | <johnny> perhaps your layman directories are screwed up.. ?
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| 04:29 | that you're sycing to a directory that isn't actually in PORTDIR_OVERLAY ?
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| 04:33 | polytan, try changing the line in /etc/ltsp/ltsp-client-setup to
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| 04:33 | sed -i "s/us/${CONSOLE_KEYMAP}" /etc/conf.d/keymaps
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| 04:33 | makes more sense anyways..
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| 04:34 | <johnny> polytan, i'm going to have to go to bed
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| 04:34 | bbl
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| 04:35 | <polytan> good night !
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| 04:42 | <polytan> johnny, I was playing with an extremly alod version of ltsp
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| 04:49 | <alkisg> If I try to unmount a local device such as a usb or a cdrom, I get "...device... is not in fstab, and you're not root". Any ideas?
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| 04:49 | (intrepid)
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| 04:50 | (and of course I'm talking about the local devices in the thin clients)
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| 04:57 | <generalsnus> i have a problem here. the students are using "proxy" websites to gain access to websites they are not allowed while on school.. ive tried to block these pages whitin host file.. but it wont work.. becouse we "need" to use a proxy server. we dont maintain this proxy, and its seldom updated.. users cant connect to the net if we dont use it.
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| 04:58 | what can i do to make firefox, check with host file first? or some other solution
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| 04:59 | <alkisg> I think you could install squid, then tell squid to use your proxy and tell all the clients to use squid
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| 05:00 | Then you could cut anything you want from squid.conf
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| 05:11 | <generalsnus> alkisg: sigh.. cant figure out how to use squid.. installed the gui for squid aswell.. gadmin-squid.. but there is like 1000 settings to play with
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| 05:11 | <alkisg> generalsnus: you don't need most settings, all I had to change for my school needs were 2-3 lines in squid.conf
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| 05:12 | Then you just go to the System menu > preferences > proxy, put 127.0.0.1:3128 there and click on "set as system default" (I'm not sure about the button names)
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| 05:53 | <polytan> re
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| 06:00 | <generalsnus> alkisg: ok, do you have a example for me? what do i need to write in the config to block... block.com..for instance?
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| 06:06 | <generalsnus> alkisg1: ok, do you have a example for me? what do i need to write in the config to block... block.com..for instance?
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| 06:07 | <alkisg1> generalsnus: first hit in google: http://www.freesoftwaremagazine.com/articles/web_blocking_squid/
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| 06:07 | It's really only a few lines, nothing difficult
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| 06:07 | For anything difficult, you may also ask at #squid channel
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| 06:10 | <generalsnus> thanks
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| 06:23 | <alkisg> !localdev
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| 06:23 | <ltspbot> alkisg: "localdev" is (#1) Information regarding using pluggable devices and cdroms with LTSP can be found at http://wiki.ltsp.org/twiki/bin/view/Ltsp/LTSP-42-LocalDev, or (#2) for ubuntu: https://wiki.ubuntu.com/EnableLTSP5LocalDevices, or (#3) for debian-edu: http://wiki.debian.org/DebianEdu/HowTo/LocalDeviceLtspfs, or (#4) http://wiki.ubuntu.com/DebugLocalDev
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| 06:50 | <polytan> johnny, you must add the program "setxkbmap"
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| 06:50 | it is needed by lts
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| 07:01 | <Appiah> What do you people say , 2 nic setup vs 1 nic setup , pros and cons?
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| 07:01 | 2nic setup = 1 nic for external acess - 1 nic for clients
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| 07:02 | <cyberorg> Appiah, we recommend 2 nic setup
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| 07:09 | <Appiah> can you tell me alittle bit why cyberorg ?
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| 07:09 | is it about bw?
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| 07:10 | <cyberorg> for the reason you mentioned or to isolate ltsp network from normal network
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| 07:11 | <Appiah> ok , but this current setup , is seperated from the normal network in the switch
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| 07:11 | 1nic setup
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| 07:13 | <cyberorg> that is also ok, having one external facing card allows us to leave firewall up there and disabled on ltsp facing card
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| 07:28 | <alkisg> I prefer 2, 3 or even 4 nic setup on the same switch (bonding) for speed reasons... :)
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| 07:33 | <generalsnus> ack.. i cant seem to find out how to use squid together with our proxy..
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| 07:34 | <quickslip> does anyone know how to get vnc working on LTSP ?
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| 07:37 | <alkisg> generalsnus: something like this, maybe: http://www.linuxquestions.org/questions/linux-newbie-8/need-help-to-connect-a-squid-proxy-to-connect-to-another-squid-proxy-server-302067/
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| 07:38 | quickslip: have you seen italc.sourceforge.net? It's easier to install than vnc...
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| 07:38 | Just sudo apt-get install italc-master and it's ready...
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| 07:46 | <quickslip> no - I have not - let me check it out - thnx
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| 07:47 | <alkisg> quickslip: here are some instructions for installing italc on ubuntu: https://help.ubuntu.com/community/UbuntuLTSP/iTalc - they may be of some use (I don't know your distro)...
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| 08:34 | <jammcq> good morning #ltsp
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| 08:36 | <cliebow> j!
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| 08:37 | <jammcq> hey chuck
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| 08:52 | <Appiah> alkisg: may I ask how many clients do you have when you run a 4 nic setup? :P
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| 09:28 | <alkisg> Appiah: 8 clients!!! Well, the point is that I have 400 Mbps instead of 100 Mbps. ;)
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| 09:30 | <Appiah> :D
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| 09:30 | why not 1 gbit interface?
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| 09:31 | <alkisg> No money... We'd need ~200 € to upgrade to gigabit
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| 09:31 | <Appiah> ah
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| 09:31 | I see
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| 09:31 | <alkisg> But even with gigabit, I'd use 4 NICs
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| 09:31 | More to decrease the latency than to increase the bandwidth
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| 09:31 | <Appiah> What does these 8 clients use that uses to much bw?
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| 09:32 | <alkisg> Well, firefox + flash OR videos OR paint OR wine applications ...
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| 09:33 | I think each client should have at least 70 Mbps (for a peak)
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| 09:50 | <Gadi> alkisg: are you using ubuntu?
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| 09:50 | <alkisg> Gadi: yes, intrepid mostly
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| 09:51 | <Gadi> you may want to put /opt/ltsp/images in a ramdisk
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| 09:51 | that will boost your throughput even more
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| 09:52 | <alkisg> Hm... I don't think my students access the images so often... is there any way to benchmark how much they access them?
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| 09:52 | <Gadi> (depending on the quality of your drives and drive IO and such)
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| 09:52 | well, if you do localapps more it could help
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| 09:52 | <alkisg> Nah, I only have 128 RAM in one lab, and 64 MB RAM in the other one
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| 09:52 | <Gadi> ah
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| 09:52 | <alkisg> And I don't really care about boot times
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| 09:52 | <Gadi> then, yeah not so much
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| 09:52 | :)
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| 09:54 | <alkisg> In my gigabit lab, each client is only able to fetch ~150 Mbps (with netperf) before using 100% CPU, so I'm never able to use all the bandwidth
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| 09:55 | I'd like to put 2-3 more gigabit nics in the server to reduce the latency, though
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| 10:00 | <Appiah> alkisg: what wine applications do the students use?
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| 10:01 | <alkisg> Some Greek educational applications... And also some translated ones like http://www.microworlds.com/
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| 10:06 | <Appiah> I see
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| 10:06 | what cpu in the gigabit lab?
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| 10:07 | <alkisg> quad core, 2 point something GHz
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| 10:09 | ...and the clients Celerons @450 MHz
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| 11:38 | <pmatulis> my screen display sucks on LTSP5/Ubuntu810 with a koolu thin client. where does one begin?
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| 11:38 | <laga> you'd begin by describing your issue
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| 11:42 | <pmatulis> the color depth is low (no smooth gradients) and there are some anomolies on web pages (little black squares)
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| 11:43 | <alkisg> pmatulis: run xwininfo and click on a window to see the actual color depth
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| 11:45 | <Gadi> iirc, koolu is geode based
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| 11:45 | you may need: XSERVER=geode in lts.conf
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| 11:46 | <pmatulis> Gadi: i'll try that
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| 12:17 | <warren> pmatulis: is the geode even capable of that many colors at higher resolution? it isn't here.
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| 12:19 | <pmatulis> warren: one moment
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| 12:20 | alkisg has joined #ltsp | |
| 12:21 | * pmatulis is having other troubles | |
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| 12:22 | <pmatulis> alkisg: it reports a depth of 16
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| 12:26 | warren: ^^
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| 12:27 | <warren> pmatulis: that's what I see here too, is the geode capable of more at a high resolution?
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| 12:27 | geode is OLD
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| 12:27 | <pmatulis> not sure but i don't remember this issue with my previous ltsp feisty install
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| 12:28 | will check that and report back soon
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| 12:28 | <warren> pmatulis: OLPC using Geode LX is 1200x900x16bit
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| 12:37 | <alkisg> pmatulis: so the color depth is fine... I don't know anything about Geode though, so listen to the other people in here! ;)
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| 12:38 | <pmatulis> weird, just logged in to my old ltsp4 rig and i don't get the same bad display
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| 12:38 | could it be a network throughput issue? new rig is routed through a laptop
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| 12:38 | at the moment
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| 12:48 | <re-G> CAN-o-SPAM: now i have two wlan-ltsp client up. I think 802.11g is too slow for more than two. Can you test multiple clients over 802.11n?
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| 12:49 | <johnny> we have wimax in baltimore .. i wonder how it would work with that :)
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| 12:50 | <stgraber> warren: I reproduced the GX2 bug with F10 so I'm pushing the fix now
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| 12:50 | <CAN-o-SPAM> re-G: thats what i had thought would happen, any success right now seems to be 1 AP / client, i wonder how we can navigate that issue
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| 12:50 | i don't have .n
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| 12:51 | <warren> stgraber: ok
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| 12:51 | stgraber: be sure to file an upstream bug too
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| 12:51 | <stgraber> warren: I filed a LP bug and Q-FUNK poked upstream (upstream is subscribed to the bug)
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| 12:52 | <warren> stgraber: what is the exact xorg.conf option needed?
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| 12:52 | <stgraber> AccelMethod "XAA" in Deivce
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| 12:52 | <warren> stgraber: xorg 1.5+ probably?
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| 12:52 | <stgraber> *Device
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| 12:52 | that options existed with < 1.5 and XAA was the default back then
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| 12:52 | so it won't be a problem with earlier versions of Xorg
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| 12:54 | <warren> stgraber: Ubuntu 8.04 or 8.10?
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| 12:54 | <re-G> CAN-o-SPAM: how many clients will work ok with 100Mbit lan? Maybe I will buy .n stuff...
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| 12:55 | <stgraber> warren: both probably but IIRC 8.04 had a few more issues with GX2
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| 12:55 | I'm testing with 8.10 running the LTSP from 9.04
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| 12:56 | <CAN-o-SPAM> re-G: how ever many your server will support if thats the only traffic on that network
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| 13:08 | <sbalneav> Afternoon all
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| 13:08 | <jammcq> Scotty !!!!!!!!!!!!!!!!!!!!!!!!
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| 13:09 | <sbalneav> Hey jammcq!
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| 13:09 | <Lns> Morning =p
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| 13:09 | <Gadi> stgraber: you may want to add a check for an existing X_DEVICE_OPTION_01 to that hack
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| 13:10 | just in case someone sets one
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| 13:18 | <stgraber> Gadi: right, we should actually have a function to add a new X_DEVICE_OPTION that'd then just guess the right index to use
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| 13:19 | Gadi: in that case I want to apply that settings anyway as otherwise X will just crash
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| 13:20 | Gadi: I don't care if the use has already set a X_DEVICE_OPTION_01 as without mine he'd just not get X to start
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| 13:20 | so for now I won't add that check, though having a function to append a new X option would be great and avoid that kind of issue
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| 13:21 | <re-G> CAN-o-SPAM: how many wlan clients you could test same time over .g -network?
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| 13:22 | atheros works best this time
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| 13:23 | <Lns> a MILLION! *pinky in mouth*
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| 13:25 | <CAN-o-SPAM> re-G: many, but none would be atheros unless i went and got those cards
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| 13:28 | <warren> stgraber: my thought exactly
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| 13:44 | <re-G> CAN-o-SPAM: which chipsets you have
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| 13:47 | <Eghie> hello
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| 13:47 | I have an LTSP on boot timeout
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| 13:47 | right before it loads the rootfs (i guess)
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| 13:47 | fully at random though
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| 13:47 | the same client could be working and after reboot, timeout
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| 13:48 | <Eghie> server is connected via 1Gb/s and the clients with 100Mb/s
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| 13:48 | does ndb have maximum connections or something?
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| 13:59 | <Eghie> or does someone else have experience with boot timeouts on LTSP?
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| 13:59 | <Lns> Eghie: I heard something just the other day about this, and it turned out to be some sort of xinetd max connection thing
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| 13:59 | not sure if its the same issue but it sounds similar
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| 14:01 | <Eghie> ok, but that could be a clue
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| 14:01 | maybe NBD has some max connections
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| 14:01 | inetd does not have that option
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| 14:02 | not that i know of anyway
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| 14:02 | <Lns> Eghie: I wouldnt think nbd does itself...
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| 14:02 | <warren> NBD itself doesn't
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| 14:02 | <Eghie> I thoughed so already yes
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| 14:02 | <Eghie> could a switch be a potential harmfull creature?
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| 14:03 | <Lns> Eghie: what's the exact error?
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| 14:03 | <Eghie> after DHCP boot info: error: Connection: connection timed out
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| 14:03 | <Lns> Eghie: whats your distro?
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| 14:03 | <Eghie> mounting /rofs on /root/rofs failed: Invalid argument
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| 14:03 | ubuntu intrepid
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| 14:03 | 64 bits, with 32 bits client images
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| 14:04 | <Lns> Eghie: you're not doing remote syslog are you?
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| 14:05 | <Eghie> I did try it yes
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| 14:05 | hmm, now lets kill that option first
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| 14:05 | <Lns> Eghie: thats probably your prob
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| 14:05 | I had that same issue.
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| 14:06 | Gadi can confirm that its really not a good idea to implement it. Thus the warnings on the Ubuntu wiki page about it (if thats what you read to implement it)
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| 14:07 | <Eghie> I just removed it from the lts.conf
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| 14:08 | <Lns> Eghie: Remember to revert your /etc/default/syslogd.conf or whatever too
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| 14:09 | <Eghie> on the client chroot?
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| 14:09 | or the server?
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| 14:09 | <Lns> Eghie: server
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| 14:10 | <Eghie> even after disabling syslog, it still does that
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| 14:11 | at least, I think I disabled remote syslog loggin in LTSP (all lts.conf I could find in the TFTP folder)
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| 14:12 | i looks like he cannot find rootfs
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| 14:12 | from the network information i got anyway
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| 14:13 | <Lns> Eghie: why not pastebin your errors so we can take a closer look
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| 14:13 | <Eghie> that would be very difficult I guess
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| 14:13 | or I need to do a lot of typing
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| 14:14 | in booted initramfs, but not going further I get some info
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| 14:15 | <Lns> ah
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| 14:15 | <Eghie> in /tmp/net-eth0.conf
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| 14:15 | <alkisg> Eghie, a little before this error the client obtains ip, netmask etc. Can you see if it gets a correct IP for the server?
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| 14:15 | <Eghie> ROOTSERVER is set
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| 14:15 | but ROOTPATH is empty
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| 14:15 | <alkisg> Do you have another dhcp server running?
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| 14:16 | <Eghie> crap, and there you have the jackpot
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| 14:16 | !
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| 14:16 | stupid me
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| 14:16 | <Lns> haha!
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| 14:17 | Blinny has joined #ltsp | |
| 14:17 | <Lns> alkisg: how the hell did you figure that out from ROOTPATH being empty?
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| 14:17 | <Blinny> Are there any LTSP-specific considerations for using NIS as an auth scheme?
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| 14:17 | <alkisg> I get it all the time at schools with routers acting as a second dhcp server.. :)
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| 14:17 | <Eghie> working for a whole week, last night 02:30 in bed (gambian time) from work
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| 14:17 | <Lns> hehe
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| 14:18 | <alkisg> ...so now I always put IPAPPEND 3 in /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default, even if it isn't needed!
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| 14:18 | <Eghie> Lns: after a while you get an initramfs prompt
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| 14:18 | Lns: cat /tmp/net-eth0.conf will give you a textfile with filled in network variables
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| 14:21 | Lns and also alkisg thanks for the great help
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| 14:21 | <Lns> Eghie: =) I didnt do nothin, alkisg is the genious here
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| 14:22 | <alkisg> Nah... just someone who got into trouble too often! :(
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| 14:22 | <Eghie> hehe
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| 14:23 | <alkisg> Eghie: you don't have to turn off the second dhcp server, IPAPPEND 3 is a fine workaround for this case
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| 14:23 | (if you need it and it's not by mistake, I mean)
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| 14:24 | <Eghie> well its useful when the server for some sort of reason crashes
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| 14:24 | then the router will pick up
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| 14:24 | <alkisg> OK, just split the range in half so that the offers don't overlap.
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| 14:24 | <kc8pxy> johnny: heya.. i have portage 2.2 in the chroot
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| 14:25 | <Eghie> range is already split
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| 14:25 | <kc8pxy> alkisg: dunbify the routers :)
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| 14:26 | <alkisg> Eghie, so, IPAPPEND 3 in /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default and you're done
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| 14:26 | <Eghie> yeah, it takes the ip settings from PXE boot, right?
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| 14:26 | <alkisg> kc8pxy: sorry, I didn't get it (dunbify) - google doesn't know dubify and neither my dictionary.... :)
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| 14:26 | Yup, but only works for pxe, not etherboot
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| 14:27 | <Lns> alkisg: does that workaround basically stop a second DHCP request from happening, and re-use the initial one from PXE DHCP?
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| 14:27 | oh
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| 14:27 | lol
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| 14:27 | <Gadi> alkisg: what is IPAPPEND 3?
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| 14:27 | <kc8pxy> alkisg: if you have routers working needlessly as dhcp servers, dumbify them and turn them into hubs :)
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| 14:27 | <alkisg> Lns, yes - Gadi, what Lns said
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| 14:27 | <Lns> So, unless the second (rogue?) DHCP server is configured with NEXTSERVER or whatever, its going to still work randomly ?
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| 14:27 | <alkisg> kc8pxy: ah, got it
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| 14:28 | <Gadi> alkisg: its a kernel argument?
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| 14:28 | <alkisg> Gadi, it converts the ip from pxe into ip=xxx kernel argument
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| 14:28 | It's a pxelinux thing
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| 14:28 | <Gadi> really?
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| 14:28 | * Gadi investigates | |
| 14:28 | <Lns> alkisg: have you run into the case where the initial PXE DHCP req. is picked up by the "other" DHCP server, therefore killing the boot process?
| |
| 14:29 | <alkisg> Lns, multiple servers are allowed by the dhcp protocol, as long as they're configured properly
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| 14:29 | Lns, routers typically don't offer a boot filename, so the clients ignore the offers
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| 14:29 | <Lns> alkisg: right...which wont help if someone plugs in a linksys AP with DHCP server unknowingly enabled
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| 14:29 | alkisg: they ignore it if it doesnt pass the correct parms for pxe boot?
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| 14:29 | <alkisg> It can be configured by dhcpd.conf, no need for anything special in the router
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| 14:30 | Yes, pxe enabled cards completely ignore dhcp offers that don't have a boot filename
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| 14:30 | <Lns> oh wow, didnt know that
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| 14:30 | crafty
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| 14:30 | <Eghie> ah, that is good to know
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| 14:30 | <alkisg> Even gpxe supports something similar with a dhcp option called gpxe.priority
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| 14:32 | <ogra> sbalneav, http://www.notebooks.com/2009/01/07/new-generation-of-netbooks-199-and-299-eight-hour-battery-sexy-design/
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| 14:33 | <stgraber> anyone about to upload something to ltsp-trunk or can I tag it now ?
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| 14:38 | <sbalneav> ogra: Cool
| |
| 14:38 | When that arm based one comes out, I'll pick one of them up, too.
| |
| 14:39 | I am REALLY liking the little aspire one.
| |
| 14:39 | <jammcq> I'm waiting for the Leg based one
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| 14:39 | <Lns> I want one that the dimensions are based on the golden ratio
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| 14:40 | <rjune> ogra, that the one you're working on?
| |
| 14:40 | * sbalneav contemplates what other body part we could mention, and decides to stay silent, due to the family based nature of this channel. | |
| 14:40 | <Lns> ...and can make me pancakes
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| 14:40 | sbalneav: you obviously weren't here yesterday, haha
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| 14:40 | <sbalneav> Well, heck, *I* can make pancakes!
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| 14:40 | <jammcq> mmmm, pancakes
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| 14:41 | <sbalneav> Just ask anyone at the last hackfest!
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| 14:41 | <rjune> howdy jammcq
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| 14:41 | <jammcq> hey rjune
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| 14:41 | <Lns> http://www.oswald.us/wp-content/uploads/2007/05/bunny-pancake.jpg
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| 14:41 | <rjune> how's life?
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| 14:41 | <jammcq> damn, now i'm hungry for breakfast food
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| 14:41 | life is good
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| 14:41 | <Lns> jammcq: sorry
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| 14:41 | <jammcq> busy as can be
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| 14:42 | <sbalneav> Lns: That's oolong, the rabbit:
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| 14:43 | <rjune> glad you're staying busy
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| 14:43 | <sbalneav> http://en.wikipedia.org/wiki/Oolong_(rabbit)
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| 14:43 | <rjune> idle hands are the devil's playthings and all that
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| 14:43 | <Lns> sbalneav: hahaha!!! http://en.wikipedia.org/wiki/Oolong_(rabbit)
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| 14:43 | err crap
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| 14:43 | i need to read more =p
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| 14:44 | <sbalneav> http://www.fsinet.or.jp/~sokaisha/rabbit/rabbit.htm
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| 14:44 | That was one of my alltime favourite websites
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| 14:44 | He used to take that rabbit for trips, walks in the country, etc.
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| 14:46 | <Lns> That is so cool... I have 5 rabbits, but they just stay in my back yard and dig tunnels =p
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| 14:53 | <Gadi> alkisg: it seems to me that IPAPPEND bypasses the dhcp mechanism for the OS-present address
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| 14:53 | which means a dhcp client never really runs OS-present.
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| 14:53 | is that right?
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| 14:54 | * Gadi supposes that is prolly a good thing in an LTSP env | |
| 14:54 | <Gadi> just need to make sure I understand the consequences
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| 14:56 | <alkisg> Gadi: yes, exactly
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| 14:57 | But ipconfig doesn't respect the leases anyway, it's a one-time thing, so it doesn't make any difference
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| 14:57 | A normal dhcp client like dhclient should be called for things to be done properly, but that would cost in RAM
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| 14:58 | (...and ipconfig is somewhat broken, so I try to avoid calling it wherever I can...)
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| 14:58 | <Gadi> u bet - but changing IP midstream on an LTSP client would be catastrophic anyway
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| 14:58 | <vagrantc> right.
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| 14:59 | <Gadi> any reason to avoid IPAPPEND 3?
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| 14:59 | <alkisg> Why would changing ip be catastrophic?
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| 14:59 | <vagrantc> recent dhcp3-server checks if an existing machine is using the ip address anyways
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| 14:59 | <Gadi> alkisg: you have a constant nbd mount
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| 14:59 | which would break
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| 14:59 | <vagrantc> or NFS
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| 14:59 | <Gadi> or nfs
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| 14:59 | <alkisg> But that's before nbd mounting starts, isn't it?
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| 14:59 | and/or nfs...
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| 15:00 | Ah, you mean the leases thing...
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| 15:00 | <Gadi> i meant if you had a dhcp client
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| 15:00 | running
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| 15:00 | and it got a lease change
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| 15:00 | <alkisg> I thought about using dhclient. Well, dhclient would ask for the same ip, just for a renewal
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| 15:00 | <Gadi> that would suck
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| 15:00 | <alkisg> Renewals are respected, the IP wouldn't have to change
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| 15:01 | <Gadi> right - but it is catastrophic if it does
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| 15:01 | so, ipconfig is only one time?
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| 15:02 | <alkisg> Then DHCP_INFORM would be the way to go...
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| 15:02 | * Gadi wonders why the dhcp server holds the lease | |
| 15:02 | <alkisg> Yes, ipconfig is only called once from the initramfs
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| 15:02 | Leases have limited life time because addresses are limited
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| 15:03 | <Gadi> right
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| 15:03 | but, we dont see the dhcp server handing out duplicate leases after the lease expires
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| 15:03 | <alkisg> So if 1.000 people with laptops pass from an airport in a day, leases would have to be very small
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| 15:03 | <Gadi> so, it must ask the client for a DHCP_INFORM
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| 15:04 | <alkisg> If the lease expires, and the same client boots and asks for an IP, the server may give it a different ip
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| 15:04 | <Gadi> thats not what I mean
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| 15:04 | <alkisg> But if it was within the lease time, it would give it the same ip
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| 15:04 | <Gadi> if the lease expires, and a different thin client boots, it should not get the same IP
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| 15:05 | <alkisg> Why?
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| 15:05 | <Gadi> because 2 thin clients with same IP = IP conflict
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| 15:05 | <alkisg> If someone has 50 addresses and 100 clients (in different days), it'll give the same IP
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| 15:05 | <Gadi> I am talking about this:
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| 15:05 | 1. Lease time = 1 hour
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| 15:06 | <johnny> kc8pxy, but did you get baselayout2?
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| 15:06 | <Gadi> 2. Boot client A
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| 15:06 | <alkisg> Ah, you mean about pinging to see if the address exists
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| 15:06 | <Gadi> 3. wait an hour
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| 15:06 | 4. keep it on
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| 15:06 | 5 boot client B
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| 15:06 | 6. client B should not get same IP
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| 15:06 | but how does dhcp server know?
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| 15:06 | <alkisg> OK, theoretically, it *could* get the same IP, if the dhcp server didn't check to see if the IP existed
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| 15:06 | <Gadi> right
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| 15:06 | so, it must
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| 15:06 | <alkisg> Let me find the dhcpd.conf option for this...
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| 15:07 | <Gadi> just as if the machine had static IP
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| 15:07 | sorry
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| 15:07 | gotta go get the kids
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| 15:07 | <Gadi> ciao
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| 15:08 | <johnny> usually it caches by mac addresses does'nt it?
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| 15:08 | so you should never run into that situation
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| 15:08 | <alkisg> Gadi: ping-check. If the administrator set it to off, then the scenario you described could happen, resulting in duplicate IPs
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| 15:10 | <alkisg> It defaults to 1 sec, meaning that the dhcp server sends an ICMP request and waits for 1 sec for an answer, to see if another PC uses the IP to be assigned.
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| 15:11 | So normally, it doesn't happen, but with "ping-check off" it may happen.
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| 15:11 | (if the dhcp client doesn't respect the leases, like ipconfig)
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| 15:11 | <johnny> dnsmasq must have more agressive caching by default
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| 15:11 | as i never ever get the same IP while the machine is running
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| 15:11 | it stores the mac against the ip
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| 15:12 | for as long as the server is running
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| 15:33 | kernelfreak has joined #ltsp | |
| 15:33 | <kernelfreak> Hi..
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| 15:34 | <Lns> hi kernelfreak
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| 15:34 | <kernelfreak> Does anybody knows how to improve performance over a nfs server thats is a server for 80 clients ? or any alternative to nfs ?
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| 15:36 | <Lns> nbd?
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| 15:37 | <sbalneav> kernelfreak: How many nfsd's do you have running?
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| 15:37 | What OS are you running?
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| 15:37 | <kernelfreak> there is 16 runnng at one ubuntu-server
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| 15:38 | <sbalneav> For 80 terminals, that's probably not enough.
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| 15:38 | I'd bump to at least 32
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| 15:38 | You're using nfs-kernel-server?
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| 15:38 | <kernelfreak> Ive tried that. but didnt notice many improvements
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| 15:38 | yes
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| 15:39 | <sbalneav> bump up RPCNFSDCOUNT=32 in /etc/default/nfs-kernel-server
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| 15:39 | <vagrantc> kernelfreak: raided filesystem?
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| 15:39 | <johnny> which os?
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| 15:39 | <kernelfreak> yes raid 1
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| 15:39 | <sbalneav> kernelfreak: OK, well, instead of us playing the "guess what you've already done" game, why dont you tell us:
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| 15:40 | 1) Why you think it's an NFS problem, and 2) What steps you've taken to fix it already?
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| 15:40 | <kernelfreak> right
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| 15:40 | let me say
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| 15:40 | <vagrantc> !release
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| 15:40 | <ltspbot> vagrantc: "release" is please mention the linux distro and release you're using :)
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| 15:41 | <kernelfreak> There is a Atlhon X2 with 2gb ddr2 running with 2 7500rpm SATA disks on RAID 1
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| 15:41 | on ubuntu server 8.4
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| 15:42 | Ive already tried increase the number of threads
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| 15:42 | Ive noticed theres a high level of IO
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| 15:42 | <sbalneav> You've got 80 clients, only with 2 gig of ram?
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| 15:42 | <vagrantc> kernelfreak: mount with "noatime" ... might help some. otherwise all reads are effectively writes, which is slow on raid1.
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| 15:42 | <johnny> ubuntu doesn't use nfs by default kc8pxy
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| 15:42 | <stgraber> hey scottie !!!
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| 15:42 | <johnny> err kernelfreak
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| 15:42 | <sbalneav> Hey stgraber!
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| 15:43 | <johnny> why did you switch to nfs kernelfreak
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| 15:43 | <kernelfreak> vagrantc: by the moment its mounted with relatime
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| 15:43 | <sbalneav> kernelfreak: Check the "free" command, or "top". Are you swapping?
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| 15:43 | with 80 clients, and only 2 gb of ram, I suspect you're ram starved.
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| 15:43 | <kernelfreak> sbalneav: no there isnt any swap
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| 15:43 | <sbalneav> lol
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| 15:44 | sepski has joined #ltsp | |
| 15:44 | <Lns> yikes!
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| 15:44 | <kc8pxy> johnny: what do they use?
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| 15:44 | <johnny> nbd
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| 15:44 | kc8pxy, that wasn't to you .. :)
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| 15:44 | it was accident
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| 15:44 | <Lns> kernelfreak: are you using a GUI for the TCs??
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| 15:45 | <kc8pxy> johnny: I'm gonna try and get my production setup working later.
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| 15:45 | <johnny> kc8pxy, make sure baselayout2 is installed after ltsp-build-client
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| 15:45 | <kernelfreak> Lns yes it run a Gnome
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| 15:46 | <sbalneav> You have nowhere near enough ram.
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| 15:46 | <kernelfreak> its for a developers network using eclipse all the time
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| 15:46 | <johnny> eclipse!
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| 15:46 | lol
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| 15:46 | adding insult to injury..
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| 15:46 | kernelfreak, why are you using nfs????
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| 15:46 | nbd comes default on ubuntu
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| 15:46 | it does not use nfs at all
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| 15:46 | unless you manually fiddle with settings
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| 15:47 | <kernelfreak> hmm
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| 15:48 | <sbalneav> kernelfreak: You should have something like (at least) 256 + (128 * users)
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| 15:48 | <kernelfreak> I was thinking about combine two server with GFS and "mount" or use it in a kind of load balance server
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| 15:48 | <sbalneav> kernelfreak: Or about 10 gigs of ram.
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| 15:49 | <kernelfreak> sbalneav: but theeres is no application running on the server just the dhcp and nfs services all the applications on the users machine
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| 15:49 | <Lns> how mature is ltsp-cluster stuff?
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| 15:49 | kernelfreak: do you mean localapps?
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| 15:49 | <sbalneav> kernelfreak: so these arenet LTSP thin clients?
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| 15:50 | * Lns puts a pancake on his head | |
| 15:50 | <sbalneav> kernelfreak: Are you running LTSP diskless thin clients?
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| 15:50 | <kernelfreak> Lns yes.. I just use the nfs to prove the / and /home
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| 15:51 | <johnny> that is not ltsp..
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| 15:51 | <Lns> kernelfreak: then what is LTSP part for?
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| 15:51 | * sbalneav backs away slowly | |
| 15:51 | <sbalneav> Going home for the day. Be on later tonight.
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| 15:52 | <Lns> bye sbalneav
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| 15:52 | <kernelfreak> Lns to make the machine boot
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| 15:52 | <Lns> kernelfreak: ok ... so, you're using "localapps" or "fat client" setup here?
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| 15:53 | <kernelfreak> fat client
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| 15:54 | <kc8pxy> johnny: baselayout 2.0 and openrc 0.4.1-r1 are a pair. also installed portage 2.2_rc20
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| 15:54 | <Lns> kernelfreak: ok
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| 15:54 | <kc8pxy> johnny: talk to you next, from FGCMH
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| 15:55 | <Lns> kernelfreak: so does 'top' or 'free' tell you your RAM is still used up?
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| 22:48 | <kc8pxy> heya all :)
| |
| 22:48 | johnny: other than portage 2.2_rc20 and baselayout 2.0, what else do i need to get ldm going?
| |
| 22:49 | <johnny> so.. what happens now?
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| 22:49 | * kc8pxy grabs his mounse, which he took to FG with him. | |
| 22:56 | <kc8pxy> ltsp client booting
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| 22:57 | boots to a CLI login
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| 22:58 | mostly succesfully
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| 22:58 | same 2 files don't exist
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| 22:59 | johnny: that's it.
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| 22:59 | xorg-server?
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| 22:59 | or something else?
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| 22:59 | <johnny> rc-status | grep 'ltsp-client$'
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| 23:00 | that should work anyways..
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| 23:02 | <kc8pxy> ltsp-client is started
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| 23:02 | it flopped though
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| 23:02 | initialization failed,
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| 23:06 | johnny: with sound enabled, it does less flopping, but still has cli-only.
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| 23:07 | <johnny> ok.. try startx
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| 23:08 | <kc8pxy> johnny: failed to connect to an x server
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| 23:09 | <johnny> hmm.. weird
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| 23:09 | and /var/log/Xorg.0.log says ?
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| 23:09 | <kc8pxy> johnny: does it matter that I'm using xorg on the server?
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| 23:09 | <johnny> no
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| 23:10 | <kc8pxy> johnny: ther eis no xorg.0.log on the client
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| 23:12 | <johnny> you are logged in how exactly?
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| 23:14 | <Ryan52> grrr. my nbi.img downloads really fast on my test network, but when I siwtch to my main network, it takes forever (to the point where I give up). the only difference is that instead of my ltsp server serving dhcp, my normal system is...any ideas?
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| 23:16 | oh, well, it's on a different interface of my ltsp server...I wonder if that network card has something wrong with it...
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| 23:17 | <alkisg> Ryan52: are the network cards on different subnets / switches?
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| 23:17 | <Ryan52> yes.
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| 23:18 | tho I'm pretty sure the switch works fine.
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| 23:19 | <alkisg> no, I wasn't worried about the switch; I've seen delays because e.g. the traffic to eth1 was passing through eth0...
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| 23:19 | ...and the rest of the traffic (in the same, problematic card) is fast? It's only nbi.img that is slow?
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| 23:20 | <Ryan52> oh, heh, nevermind.
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| 23:21 | etherboot makes it appear things are downloading, when they aren't, I guess...
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| 23:21 | * Ryan52 tried with gpxe and it errored out right away | |
| 23:21 | <alkisg> ....and why do you use nbi.img, anyway?!!! Won't your clients (even if they're etherboot) accept pxelinux.0?
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| 23:22 | <Ryan52> I dunno :p
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| 23:22 | that's the way the "working" network has it, which was a default setup, I think...
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| 23:22 | * Ryan52 will figure that one out later. | |
| 23:24 | <Ryan52> there. fixed the tftp problem, and switched to pxelinux. and everything works. yay! :)
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| 23:26 | <alkisg> Ryan52, is "next-server" correct in your dhcpd.conf?
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| 23:27 | AH, never mind, I didn't see the last line! :)
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