IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 10 November 2009 (all times are UTC)
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| 04:19 | <lupine_85> I'm having a problem on gnome + ltsp - if I use the locking application, then I can't unlock the thin client as it thinks the password is wrong (it's not :) )
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| 04:24 | could it be looking at the thin client's /etc/password somehow by mistake?
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| 04:26 | <din_os> Hello, quick question: do I get any performance benefits if the server is command line only? (i.e. X not loaded)
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| 04:28 | <ogra> din_os, if nobody is logged in it will only cost you a tiny bit of ram
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| 04:28 | <Appiah> not much
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| 05:24 | <lupine_85> a-ha. bad shadowfile permissions
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| 07:38 | <Syntony> hello
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| 07:38 | can someone help me?
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| 07:38 | <Syntony> i have a question about ltsp
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| 07:39 | :)
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| 07:39 | <alkisg> !ask
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| 07:39 | <ltspbot`> alkisg: "ask" is Don't ask to ask a question, simply ask it, and if someone knows the answer, they'll respond. Please hang around for at least 15 minutes after asking a question, as not everybody constantly monitors the channel.
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| 07:39 | <Syntony> i have a linux debian stable...with four thin clients...
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| 07:40 | the server is running...but i have a problem with some applications for the clients
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| 07:40 | i want, that the thin client-users can only use a part of applications and not all...
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| 07:40 | can anybody tell me, what i could do?
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| 07:42 | <alkisg> Syntony: I think your question is too vague
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| 07:42 | <alkisg> "only a part of applications" ==> what does this mean? Give a real example.
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| 07:43 | <Syntony> it's a project,...so that terminalusers, only could use application like office, vlc, firefox and adobe
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| 07:44 | <alkisg> You mean that you want the users to be able to only run specific applications?
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| 07:44 | <Syntony> yes
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| 07:44 | <alkisg> OK, first of all, this isn't LTSP specific
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| 07:45 | <Syntony> hm?...okay...but why?
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| 07:45 | <alkisg> It's a general debian question, you can ask it e.g. in #debian
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| 07:45 | Second, I don't think it's a good idea...
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| 07:45 | (I'm a teacher myself)
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| 07:45 | There's no proper way to restrict students to a specific set of apps, independed of the OS
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| 07:46 | You can't stop a user from downloading an app from the internet and running it
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| 07:47 | (unless of course you cut all access to the internet, to floppies, cds etc)
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| 07:47 | <Syntony> okay...that not my problem :)...they should use the internet, but they should habe only read and excute-rights
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| 07:48 | the project is just for an analysing
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| 07:48 | through mrtg
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| 07:48 | <alkisg> I've seen many windows apps & frameworks that try to do that, but I've seen noone succeed so far. None.
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| 07:48 | <Syntony> hmm.... :)
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| 07:49 | <alkisg> For Linux, I haven't even seen anyone try to do it... I haven't looked too well, though, as I don't need it.
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| 07:49 | <Syntony> hmm...okay...could u say me, how can i modify the desktop of the terminal-clients
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| 07:50 | <alkisg> What do you mean "the desktop" ? The wallpaper?
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| 07:50 | <Syntony> no no not the wallpaper :)
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| 07:51 | the desktop...the GUI (like KDE,GNOME...) @ the beginning
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| 07:52 | i hope u know what i mean :)
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| 07:52 | my english is not the best :)
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| 07:55 | <Ahmuck_> the gdm screen
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| 07:55 | or the login screen
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| 07:56 | <Syntony> i'm using kde
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| 07:57 | <Syntony> can u tell, which path i must enter?
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| 08:17 | <Gadi> Syntony: http://developer.kde.org/documentation/tutorials/kiosk/index.html
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| 08:19 | <Syntony> okay thx
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| 08:34 | <squarepeg> g'morning LTSP!!!
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| 08:49 | <sbalneav> Morning all
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| 08:50 | <squarepeg> Scottie!!!
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| 09:02 | <Ahmuck-Sr> to get a localapp, one needs to build in chroot?
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| 09:32 | <johnny> Ahmuck_, yes..
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| 11:15 | <Gadi> ogra: ping
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| 11:15 | <ogra> pnog
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| 11:16 | <Gadi> hey - I was poking around karmic's upstart dir in the chroot yesterday -> I think there's a bunch of stuff in there that is not needed or can cause problems -like mountall.conf
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| 11:17 | <johnny> are the init scripts all native upstart in karmic?
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| 11:17 | <Gadi> tho, Im not sure whether post-initramfs, there would be new events that would trigger things
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| 11:17 | johnny: seems most are
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| 11:17 | in the karmic chroot
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| 11:17 | * Gadi wonders if some of the "mountall" issues people have reported are because of it | |
| 11:17 | <ogra> mountall is essential
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| 11:18 | it cares for all the virtual filesystems
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| 11:18 | <johnny> Gadi, we should probably rewrite our init scripts
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| 11:18 | <Gadi> I thought everything is mounted in initramfs already
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| 11:18 | <johnny> fedora and ubuntu can probably share the same
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| 11:18 | <ogra> no, the mountall issue is surely a race
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| 11:18 | <Gadi> before init kicks in
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| 11:18 | <johnny> oh.. it sucks .. cuz ubuntu doesn't use dracut yet..
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| 11:18 | uggh.. share share share
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| 11:18 | <ogra> only a few things are mounted in initramfs
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| 11:19 | <Gadi> ogra: race between what and what?
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| 11:19 | <ogra> ltsp_nbd and mountall i guess
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| 11:19 | i havent found the time to debug yet
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| 11:19 | <Gadi> but, mountall isnt run until the rootfs, no?
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| 11:19 | is mountall run in the initramfs?
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| 11:19 | <ogra> i dont think it is
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| 11:20 | <Gadi> right - so, ltsp_nbd mounts everything and then the rootfs kicks in and upstart triggers mountall.conf
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| 11:20 | my question is - why have mountall.conf at all in a chroot?
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| 11:20 | <ogra> ltsp_nbd doesnt mount *everything*
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| 11:20 | <Gadi> everything is mounted
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| 11:21 | what else needs mounting?
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| 11:21 | <ogra> ltsp_nbd mounts the rootfs, nothing more
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| 11:21 | <Gadi> udev will trigger ltspfs mounts
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| 11:21 | <ogra> severl things under /sys
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| 11:21 | <Gadi> and the sshfs mounts are handled by ldm
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| 11:21 | <ogra> severl things under /var
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| 11:21 | what we need to do is port our stuff to upstart properly
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| 11:21 | not the other way round
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| 11:21 | <johnny> that's what i said :)
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| 11:22 | <ogra> yeah :)
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| 11:22 | <johnny> now.. how much can we share with fedora..
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| 11:22 | <Gadi> it would help to know what needs porting
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| 11:22 | :)
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| 11:22 | <ogra> ltsp-client and ltsp-client-setup for sure
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| 11:22 | <johnny> yep
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| 11:23 | <Gadi> right - but, that doesnt fix the race condition
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| 11:23 | <johnny> would be nice to find a way to do less overriding in ltsp-init-common
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| 11:23 | <ogra> Gadi, they are different probs
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| 11:23 | <johnny> sure it does..
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| 11:23 | magic i say!
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| 11:23 | <ogra> Gadi, the race needs more investigation and proper logs and debugging info first
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| 11:24 | someone needs to dive deep into initramfs and look whats actually happening and why
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| 11:34 | <_UsUrPeR_> hey guys. I am having a strange problem using an external dhcp server to pxeboot some clients. The DHCP server is an old one running 2.0pl5-11woody. I am getting errors on the new ltsp server (running Ubuntu 9.04) in /var/log/daemon.log stating "tftp: client does not accept options". Is this a discrepancy between the two versions? I am seeing that the client is pulling all the files in /var/log/daemon.log (tftpd was started with -vvv), and it hangs at RRQ
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| 11:34 | filename /ltsp/i386/initrd.img with a kernel panic "can't open /tab/net/eth0.conf"
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| 11:36 | sorry, mis-typed. The last error is "can't open /tmp/net-eth0.conf"
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| 11:39 | <Gadi> _UsUrPeR_: try adding: nbdroot=<ip_of_ltsp_server>:2000 to your pxelinux.cfg/default file
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| 11:39 | (on the same line as "quiet splash"
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| 11:40 | <_UsUrPeR_> Gadi: thanks. I'll give that a shot
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| 11:50 | <_UsUrPeR_> Gadi: no dice. Added nbdroot=10.70.88.1:2000 after quiet splash. Still hangs with kernel panick
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| 11:50 | err panic
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| 11:59 | <johnny> alkisg, hey.. you ever have any problems with dnsmasq tftp server and clients not getting lts.conf ?
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| 12:00 | <alkisg> Hi johnny. Not exactly. I have this problem when I'm using IPAPPEND 3
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| 12:00 | Then ipconfig doesn't get a "filename" so it can't find lts.conf in the usual location,
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| 12:00 | and a symlink is needed from /var/lib/tftpboot/lts.conf to the actual location
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| 12:00 | <johnny> i never use IPAPPEND
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| 12:01 | just plain
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| 12:01 | <alkisg> Other than that, no, I didn't have any problems. Is that Ubuntu?
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| 12:01 | <johnny> yes
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| 12:01 | <alkisg> Try break=mount (or premount? not sure...) and do cat /tmp/net-eth0.conf
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| 12:01 | <johnny> i've had this problem since hardy
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| 12:01 | <alkisg> See the filename there...
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| 12:02 | Also post your dnsmasq.conf, maybe there's some setting wrong...
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| 12:02 | <johnny> ok..
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| 12:02 | will do
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| 12:02 | <alkisg> I'm using dnsmasq since hardy, no problems at all (but I do always have that symlink)
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| 12:02 | <johnny> i'll try the symlink
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| 12:03 | <alkisg> Here's the .conf file I use: https://help.ubuntu.com/community/UbuntuLTSP/ProxyDHCP
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| 12:06 | <alkisg> johnny: the ipconfig client sends "Linux ipconfig" as the vendor identifier
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| 12:06 | So you need to send a filename in that case
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| 12:07 | That's why it doesn't work for you...
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| 12:07 | ...if you put the symlink, it'll work though. So either fix dnsmasq.conf, or make the symlink
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| 12:08 | johnny: also, in Karmic udhcpc is used, and it sends another vendor id...
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| 12:16 | <johnny> do you have examples for those alkisg ?
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| 12:16 | <alkisg> No, I always send the same filename, so I don't prefix it with a vendor id
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| 12:17 | I guess something like this would work:
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| 12:17 | <alkisg> dhcp-boot=net:etherboot,/ltsp/i386/nbi.img,.......
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| 12:17 | and (sorry, *before* that): dhcp-boot=/ltsp/i386/pxelinux.0,....
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| 12:18 | I.e. ALWAYS send ltsp/i386/pxelinux.0, but override it with nbi.img for etherboot clients
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| 12:28 | <coordinador> hello
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| 12:29 | why sometimes the sound doesnt work in server
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| 12:29 | and i have to reboot to it works again
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| 12:30 | i go to sound preferences and i cannot test the sound, getting an error
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| 12:38 | <Lns> coordinador: might be better to ask that in a linux/sound specific channel
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| 12:39 | <coordinador> ok, thank you
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| 13:25 | <_UsUrPeR_> Still having problems with using an external DHCP server for booting clients. It's dhcp version is 2.0pl5-11woody, and upon boot of a client, it's crashing to a kernel panic "can't open /tmp/net-eth0.conf". I tried Gadi's suggestion, but the results are the same.
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| 13:25 | I also took a look in here, https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/365380 , but nothing was helpful :(
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| 13:25 | <ogra> that looks more like an issue with your NIC driver than dhcp related at all
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| 13:26 | <_UsUrPeR_> ogra: It's possible I suppose. These are older units being re-used.
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| 13:26 | <johnny> gonna have to rebuild your initramfs with the proper drivers i bet
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| 13:26 | <ogra> pci cards ?
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| 13:27 | <_UsUrPeR_> ogra: however, when booting off an internal DHCP server, instead of using the external dhcp server, everything works fine
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| 13:27 | ogra: I am not sure if they're PCI cards or not.
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| 13:27 | <ogra> are you sure you get the same kernel and initramfs from both ?
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| 13:28 | <_UsUrPeR_> ogra: I guess I'm not. Where would it pick up different kernel/initramfs files from? There's only one ltsp server on their network and it's the one I'm working on...
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| 13:29 | <ogra> no idea, but it sounds like you are getting a different kernel/initramfs from the woody server
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| 13:29 | <johnny> if it has next-server.. then that shouldn't happen
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| 13:29 | <ogra> does the next-server directive point to your ltsp server ?
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| 13:29 | right
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| 13:30 | <johnny> /me pokes ogra
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| 13:31 | <_UsUrPeR_> ogra: here's the dhcpd.conf addition I put in: http://pastebin.com/m66c0604c
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| 13:31 | next-server points to eth0 of the ltsp server which is running ubuntu 9.04
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| 13:31 | <ogra> hmm, should work then
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| 13:31 | <_UsUrPeR_> I just tried to shut off eth1 on the ltsp server to make sure there was no issues with that
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| 13:31 | no changes
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| 13:32 | ogra: notice I had to remove the if>then statement about nbi.img because it was not supported with the woody dhcp version
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| 13:32 | <johnny> is woody even supported anymore?
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| 13:33 | _UsUrPeR_, i'm gonna hack your woody server..
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| 13:33 | i'm sure you're vulnerable to any number of hacks now
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| 13:33 | <_UsUrPeR_> johnny: I'm pretty sure this is the oldest server I have worked on in a long time
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| 13:33 | <johnny> _UsUrPeR_, perhaps the problem is a bug in the code..
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| 13:33 | <_UsUrPeR_> however, this is a simple internal DHCP server\
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| 13:33 | <johnny> perhaps you should upgrade it
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| 13:33 | lol
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| 13:34 | <_UsUrPeR_> johnny: I agree. it needs to be upgraded.
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| 13:35 | that's not quite an option at the moment, but it needs to be done for sure
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| 13:38 | <Gadi> _UsUrPeR_: did you restart dhcp3-server?
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| 13:42 | <_UsUrPeR_> Gadi: after removing eth1, i rebooted the server and re-built the image
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| 13:42 | so yeah :)
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| 13:43 | also: external server has been restarted
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| 13:43 | <Gadi> no, I meant on the dhcp server
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| 13:43 | <Gadi> and, I assume you turned off the dhcp server on the ltsp server
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| 13:44 | <_UsUrPeR_> gadi: correct
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| 13:44 | <jach> hi some guide or howto for select other X enviroment apart of gnome some more ligth
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| 13:48 | <alkisg> _UsUrPeR_: do you see any error messages *before* the "cannot open /tmp/net-eth0.conf" line?
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| 13:49 | ipconfig should complain if it cannot create the net-eth0 file e.g. due to not contacting a dhcp server...
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| 13:49 | (btw, what distro/version is the LTSP server?)
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| 13:49 | <ogra> 9.04
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| 13:52 | <alkisg> Do the clients have only 1 nic? Or they have 2?
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| 13:52 | <_UsUrPeR_> alkisg: the problem it has prior to that is the client cannot restart eth0 after it initially disconnects
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| 13:53 | after the initial tftp transfer
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| 13:53 | <alkisg> Erm what? What's the actual error message there?
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| 13:54 | Are you near the client? If so, you could put e.g. break=mount, and try some commands there...
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| 13:58 | <_UsUrPeR_> alkisg: I am not. This is at a remote site
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| 13:59 | <alkisg> ok
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| 14:26 | <fasthans> still have problem with my network printer and localapp. can somebody help?
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| 14:29 | <Gadi> Im gonna say.... maybe
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| 14:30 | <Gadi> wait, is the answer multiple choice?
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| 14:30 | can I phone a friend?
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| 14:32 | * Lns slaps Gadi with a large trout....again | |
| 14:33 | <fasthans> and another one: can I have one client boot from my ltsp/dhcp server and all others ignore the server?
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| 14:34 | <johnny> turn off network boot..
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| 14:34 | <squarepeg> cliebow slaps Gadi with a trout queen..98 pounds worth..while she holds the airplane door closed with her toes
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| 14:34 | ohh..i forget Gadi wasnt there
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| 14:34 | <fasthans> johnny: I am not controlling that
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| 14:35 | <johnny> then tell your dns server to only offer it to those macs
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| 14:35 | read the dhcp docs
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| 14:35 | <fasthans> johnny: yes I know and I have done that.
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| 14:35 | <johnny> well there ya go..
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| 14:35 | <fasthans> but I understand that this is a specific configuration for a certain client and not an exclusion for all others
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| 14:37 | <johnny> ok
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| 14:37 | good
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| 14:37 | that's how it should work
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| 14:38 | <Gadi> fasthans: you should deny unknown clients in your subnet declaration, and add a specific reservation for that host in the group section
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| 14:40 | <alkisg> fasthans: if the client has a boot medium (floppy, cd, hd) you can put gpxe and boot it without dhcp at all
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| 14:41 | <fasthans> alkisg: ok. that would be possible. would a usb stick work aswell?
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| 14:41 | <alkisg> Sure
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| 14:42 | <fasthans> alkisg: is gpxe the term I need to search for. or do you have a link for me?
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| 14:42 | <alkisg> Go to rom-o-matic, select the usb as an output medium, select "all drivers", and press "customize" to put the needed code for booting there
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| 14:42 | !gpxe
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| 14:42 | <ltspbot`> alkisg: "gpxe" is the successor to etherboot. You can find it at: http://etherboot.org/wiki/index.php
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| 14:42 | <alkisg> !rom-o-matic
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| 14:42 | <ltspbot`> alkisg: Error: "rom-o-matic" is not a valid command.
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| 14:43 | <fasthans> alkisg: ltspbot: fasthans overflow...
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| 14:43 | <alkisg> You can download the needed software from there: http://rom-o-matic.net/gpxe/gpxe-0.9.9/contrib/rom-o-matic/
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| 14:44 | <fasthans> thanks. very much alkisg
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| 14:45 | and ltspbot also
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| 14:45 | <alkisg> fasthans: you'll need to put a small script with the ip address of your server
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| 14:45 | ltspbot is a bot, not a person
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| 14:45 | <johnny> alkisg, we need to get that menu thing in ubuntu by default..
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| 14:45 | <fasthans> well tks anyway
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| 14:45 | ;-)
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| 14:45 | <alkisg> johnny: menu thing?
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| 14:46 | <johnny> the pxe boot menu
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| 14:46 | <alkisg> Ah. Unfortunately it doesn't work with gpxe, so I don't care much about it...
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| 14:47 | I'm waiting for grub to have full pxe support, so that we can use it to boot any local os / partition etc
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| 14:47 | <johnny> i thought you had done some boot menu with some pxe thing already
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| 14:48 | <alkisg> There's the pxe boot menu (the one dnsmasq sends), which can offer a simple "local boot", there's the pxelinux menu, which can boot any local partition with chain.c32, and there's grub2, which will be able to boot anything (e.g. a menu entry for "search and load windows vista" will be possible)
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| 14:49 | I've done my menus with the first 2 ways, but they're not as powerful as grub2 will be, when it has pxe support
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| 15:58 | <sbalneavbb> guys
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| 15:58 | <sbalneavbb> don't know if ill be around much for next few days
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| 15:59 | dad in hospital
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| 15:59 | 107 temp
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| 15:59 | Wish luck
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| 15:59 | Out
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| 19:35 | <dtrask> sbalneav: I need some help with sabayon on netbooks. I have used it to set up my profiles. It's difficult due to the screen size of the netbook...I have a hard time seeing everything in the sabayon instance of the screen. My issue is openoffice. I must have opened OO under sabayon at one point...now all my users in OO get a message about sabayon-admin using their settings...I can't seem to make it go away
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| 19:36 | sbalneav: How can I get in on the CLI and delete .openoffice for the sabayon-admin? I've tried it in sabayon and when I save I get an error...hence it doesn't save
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| 19:50 | <johnny> dtrask, run the admin on a different computer...
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| 19:50 | thing is.. you sholdn't have that OOo issue .. it should be fine
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| 19:50 | must be a bug..
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| 19:51 | <mr-dedup> can I run a windows application in wine and deliver it to X# of end users
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| 19:52 | to clarify can I deliver it to X# through LTSP sessions
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| 19:52 | anyone feel free
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| 19:52 | <johnny> sure..
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| 19:52 | the suck part is that you have to do it for each user
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| 19:52 | <mr-dedup> hi johnny have you had to do something like this
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| 19:53 | <johnny> no
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| 19:53 | i just know you can
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| 19:53 | <mr-dedup> "do it" ?
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| 19:53 | <johnny> install wine for each user
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| 19:53 | or rather
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| 19:53 | install the applications for each user
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| 19:53 | <mr-dedup> you mean run the installer under each user home
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| 19:53 | <johnny> wine doesn't let you install apps globally yet
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| 19:53 | <mr-dedup> ahh
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| 19:54 | <johnny> it's a problem with wine
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| 19:54 | not ltsp
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| 19:54 | <mr-dedup> you dont have to install "wine" but the app over and over... maybe a script!
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| 19:54 | cool, thanks
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| 19:54 | ill give it a go
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| 19:55 | <dtrask> johnny: How do i run the admin on another computer? It's a netbook...not a thin-client
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| 19:56 | <dtrask> johnny: the netbook has 3 users....student, teacher, and an admin user
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| 19:57 | student and teacher are the affected accounts
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| 19:57 | johnny: even deleting the .openoffice files for student and teacher doesn't work
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| 19:58 | sbalneav: are you around?
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| 19:59 | <johnny> what i mean is create the the profile on another computer dtrask
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| 19:59 | and then copy it over
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| 19:59 | so you don't try to cram 3 levels of menus on such a small screen
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| 20:00 | <dtrask> ahh
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| 20:00 | <johnny> dtrask, start over with the profile if sbalneav isn't around..
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| 20:00 | <dtrask> it's UNR which is even worse
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| 20:00 | <johnny> but sabayon is supposed to help you with OOo :(
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| 20:00 | <dtrask> screen wise
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| 20:00 | <johnny> sounds like a bug
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| 20:01 | <dtrask> johnny: where does the profile live? I could edit it on the CLI perhaps
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| 20:02 | <johnny> /etc/desktop-profiles
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| 20:28 | <dtrask> johnny: thx for the location....I fixed the issue by unzipping both profiles and deleting the offending .openoffice.org directory and then zipping them back up.....worked like a charm
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| 20:29 | johnny: so essentially the profiles are the zip files in /etc/desktop-profiles?
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| 20:40 | <johnny> dtrask, yes
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| 20:48 | <rjune> dtrask, !
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| 22:31 | <jrdavid> I had ltsp working fine on ubuntu jaunty. Now, after a power failure, my client loads the kernel but hangs after IP-Config: eth0 link up 100Mbps
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| 22:31 | not sure where to look...
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| 22:54 | <alkisg> jrdavid: any messages other than that? Are you near the server?
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| 22:58 | ltsppbot has quit IRC | |
| 22:58 | <jrdavid> There were no other messages *after* that. Yeah, I'm near the server. But I got figured it out.
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| 22:59 | I had another DHCP server on the network (my router).
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| 22:59 | It turns out the power failure had nothing to do with it.
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| 22:59 | It was just the first time my client booted since I had installed the router.
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| 22:59 | Thanks anyway!
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| 23:00 | <alkisg> np
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| 23:33 | <sbalneav> Back
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| 23:49 | <honey-badger> hey there
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| 23:49 | need help anybody there
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| 23:50 | whenever i change the base dir of ltsp from /opt/ltsp to /opt/thinsys my users can not login. by the way m using Deb lenny
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| 23:51 | don't know why is it so
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| 23:53 | <sbalneav> Lots of reasons
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| 23:54 | First question is: why change it.
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| 23:54 | ?
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| 23:55 | You'll need to look at your nfs exports
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| 23:55 | <honey-badger> yeah its fine
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| 23:55 | <sbalneav> For starters.
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| 23:55 | What's fine?
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| 23:55 | <honey-badger> i can paste it on pastebin if it is requrired
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| 23:55 | /etc/exports
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| 23:56 | <sbalneav> Why do you need to change it?
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| 23:56 | Does it boot when you change it? Just not log in?
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| 23:57 | <honey-badger> because i don't want it to be look like this
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| 23:57 | yeah
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| 23:57 | <sbalneav> Don't want it to look like WHAT?
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| 23:58 | What you don't like the name LTSP?
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| 23:58 | <honey-badger> sbalneav: actually i want to hide it from my fellow administrators
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| 23:59 | http://pastebin.ciit.net.pk/1105
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