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[02:49] [Comete] hi
[02:51] [Comete] i just update my Edubuntu 9.10 LTSP server with LTSP 5.2.1 and encounter a strange problem
[02:52] [Comete] it seems that when i start 2 or more thinclients at the same time, the dhcp server tries to give them the same ip address
[02:54] [Comete] as a result i get for example 2 thinclients with LDM connection screens showing both "ltsp171 (192.168.3.171)" at the bottom right of the screen
[02:54] [alkisg] Comete: LTSP 5.2.1? What do you mean?
[02:55] [alkisg] 5.2 is the last version, and it's not in the karmic repositories
[02:55] [Comete] alkisg: the last update from stgraber ppa
[02:55] [alkisg] Ah, let me see which version it has...
[02:55] [alkisg] !stgraber-ppa
[02:55] [ltspbot] alkisg: "stgraber-ppa" :: https://launchpad.net/~stgraber/+archive/ppa
[02:56] [Comete] there is a backport for karmic
[02:56] [alkisg] Comete: yeah, you need this one: http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/revision/1707
[02:57] [alkisg] stgraber: that "quoted clientid bug" was kinda serious, so you might want to upload a new version to your ppa
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[02:58] [Comete] alkisg: how can i update to this new version ?
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[02:58] [alkisg] Get this file: http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/annotate/head%3A/client/initramfs/scripts/init-premount/udhcp
[02:58] [alkisg] (click on download file)
[02:59] [alkisg] save it to: /opt/ltsp/i386/usr/share/initramfs-tools/scripts/init-premount/udhcp
[02:59] [alkisg] run: sudo chroot /opt/ltsp/i386 update-initramfs -u
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[03:00] [alkisg] sudo ltsp-update-kernels
[03:00] [alkisg] Then reboot the clients...
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[03:00] [Comete] oh thanks a lot !
[03:04] [Comete] alkisg: do i need to start a ltsp-update-image too ?
[03:04] [alkisg] No
[03:06] [Comete] alkisg: it says: Generating /boot/initrd.img-2.6.31-19-generic but i'm using 2.6.31-20-pae on my server, is it normal ?
[03:06] [alkisg] Yes - you just haven't updated your chroot recently
[03:07] [Comete] alkisg: so i should run "apt-get dist-upgrade" in my chroot ?
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[03:07] [alkisg] If you want... it's not related to the udhcp problem
[03:08] [alkisg] some notes for this are here: https://help.ubuntu.com/community/UbuntuLTSP/UpdatingChroot
[03:12] [Comete] alkisg: thanks
[03:13] [alkisg] np
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[03:15] [Comete] alkisg: another problem that was reported by the school where the LTSP server is in use, it seems that all the operations on thinclients are very slow after starting 5 or more thinclients
[03:16] [alkisg] It's usually either network speed or cpu usage
[03:16] [alkisg] LDM_DIRECTX helps a ton for cpu usage, see the docs
[03:16] [alkisg] !docs
[03:16] [ltspbot] alkisg: "docs" :: For the most current documentation, see https://sourceforge.net/apps/mediawiki/ltsp/index.php?title=Ltsp_LtspDocumentationUpstream
[03:16] [Comete] alkisg: they are using a server with 4G RAM and a Pentium 4 3Ghz on a 100mb network
[03:16] [Comete] alkisg: i already enable this
[03:17] [alkisg] 100mbps isn't good for a lot of clients
[03:17] [alkisg] You need to upgrade to gigabit, at least from the server to the switch
[03:17] [alkisg] Or, you could try trunking with 3-4 NICs on the server, that would also help
[03:18] [Comete] ok i will try this
[03:19] [Comete] alkisg: they have 14 thinclients
[03:19] [alkisg] With 100mbps cards?
[03:21] [Comete] yes
[03:21] [Comete] and 512M RAM
[03:21] [alkisg] Get a switch with at least one gigabit port, and an intel gigabit nic on the server, and disable flow control. That will make your network 10 times faster... https://help.ubuntu.com/community/UbuntuLTSP/FlowControl
[03:24] [alkisg] With 512 ram, you could also run some stuff as localapps
[03:24] [alkisg] E.g. firefox/flash. That would save you a lot of bandwidth as well.
[03:25] [Comete] ok i will try that too
[03:26] [Comete] thanks for these nice informations :)
[03:44] [Comete] alkisg: is it a good idea to use NETWORK_COMPRESSION=YES too ?
[03:45] [alkisg] No, any compression/encryption raises the server cpu usage too much. Good for security but not for performance...
[03:45] [Comete] ok
[03:46] [Comete] alkisg: the fix for udhcp works
[03:46] [alkisg] Good, i hope stgrabers updates his ppa soon.
[03:46] [Comete] alkisg: i must leave now, thanks a lot again for the help :)
[03:47] [alkisg] You're welcome, bye bye
[03:48] [Comete] bye
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[05:30] [igudym] hi
[05:31] [igudym] i try to upgrade my fedora 9 based ltsp setup to newer fedora 12
[05:31] [igudym] and have some troubles
[05:32] [igudym] does anybody using fedora 12
[05:32] [igudym] ?
[05:32] [igudym] after two days of frustration i ready to migrate to ubuntu
[05:34] [igudym] is it have sence?
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[05:45] *** alkisg can only testify that there are more ubuntu users than fedora users in this room...
[05:47] Nick change: pts -> pths
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[06:03] [igudym] i have plenty of old machines - ADM K2-500 and Celeron 400
[06:03] [igudym] AMD K5-500
[06:03] [igudym] fedora's minimum kernel is i686
[06:04] [igudym] there is comething with tftp
[06:05] [igudym] some dinstance workstations not load any more (loaded with f9 just fine)
[06:05] [_UsUrPeR_] igudym: I would recommend you give Ubuntu a shot
[06:07] [igudym] two thing prevent: most of the time i use centos and fedora
[06:08] [igudym] i use ubuntu only on netbook
[06:09] [igudym] and second - i have configured and working envirenment of about 20 users
[06:10] [igudym] what happens to users gnome desktop and so on?
[06:11] [Appiah] um
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[06:11] [Appiah] I'm sorry I dont understand
[06:11] [Appiah] what problems are you currently having?
[06:11] [igudym] two
[06:12] [igudym] 1. Some clients don't start kernel - it i686 only
[06:13] [igudym] 2. Some clients don't even load kernel and initrd
[06:13] [Appiah] so what error do you get when these clients PXE boot?
[06:13] [Appiah] if we start with no1
[06:14] [igudym] 1. Kernel say something about feature is't missing and stops
[06:14] [Appiah] please get the exact message
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[06:15] [igudym] minutes
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[06:24] [weenus] I'm getting pxelinux.0 tftp file not found for some unknown reason. Anyone see anything wrong with my dhcpd.conf file? http://pastebin.com/BuVgeZix
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[06:25] [igudym] This kernel requires the following features not present on the CPU:
[06:25] [igudym] cmov
[06:25] [igudym] Unable to boot - please use a kernel appropriate to your CPU.
[06:27] [igudym] weenus: filename "var/lib/tftpboot/ltsp/i386/pxelinux.0";
[06:27] [igudym] weenus: should be filename "/ltsp/i386/pxelinux.0";
[06:28] [igudym] relative to tftpboot directory
[06:28] [igudym] Appiah: ?
[06:31] [igudym] OK, what version of ubuntu start from?
[06:31] [igudym] last desktop or server?
[06:32] [mgariepy] morning all
[06:32] [igudym] hi
[06:32] [Appiah] igudym: are you running 64bit server?
[06:33] [igudym] no
[06:33] [Appiah] Fedora something ?
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[06:34] [cluster] hey
[06:34] [Appiah] "The problem is that certain CPU's, even though they are "pentium class", lack the cmov instruction. At some point a few years ago, the default 586/686 build of the booter (isolinux?) started requiring cmov"
[06:34] [cluster] im having problems booting clients
[06:35] [cluster] They get an IP address but the TFTP hangs with a timeout error
[06:35] [igudym] uname -s -v -r -i -m
[06:35] [igudym] Linux 2.6.32.9-67.fc12.i686.PAE #1 SMP Sat Feb 27 09:42:55 UTC 2010 i686 i386
[06:36] [cluster] can anyone help?
[06:36] [alkisg] cluster: they don't even load pxelinux?
[06:36] [Appiah] its your clients igudym
[06:36] [igudym] server
[06:36] [Appiah] its your clients , with the issue
[06:36] [cluster] alkisg, nope, they just hang
[06:36] [alkisg] Then it isn't a kernel problem
[06:36] [alkisg] It's a tftp problem, or a pxelinux problem
[06:37] [cluster] its tftp
[06:37] [cluster] im pretty sure
[06:37] [cluster] basically
[06:37] [cluster] i had this problem yesterday
[06:37] [alkisg] Ah sorry I got mixed up with the person above
[06:37] [alkisg] Ignore me :)
[06:37] [Appiah] cluster: all clients? or just some?
[06:37] *** alkisg reads again...
[06:37] [cluster] all
[06:37] [cluster] basically it was the same problem yesterday
[06:37] [cluster] and i got some help in here
[06:38] [alkisg] cluster: distro/version?
[06:38] [mgariepy] cluster, does inetd started ?
[06:38] [Appiah] how did you solve it then?
[06:38] [cluster] but i was told not to use xinetd
[06:38] [cluster] only inetd
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[06:38] [cluster] its ubuntu 9.10
[06:38] [cluster] so anyways
[06:38] [cluster] i came in to try out the advice i got from yday
[06:38] [alkisg] You can also use xinetd, it's just not recommented
[06:38] [cluster] but my twat mate has fiddled trying to use vnc :@ and installed xinetd
[06:39] [cluster] oh, well i removed xinetd
[06:39] [cluster] and it wanted to remove ltsp-server etc
[06:39] [igudym] Appiah: it's a kernel problem - i load it from hdd
[06:39] [cluster] so i let it, purged everything
[06:39] [cluster] and reinstalled it all
[06:39] [cluster] and now im back to square one with the tftp problem
[06:39] [Appiah] igudym: didnt you see my quoted paste?
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