IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 28 May 2008 (all times are UTC)
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| 00:28 | <sutula> new2linux: Your previous question, RE ubuntu auth failure, I thought ubuntu only used sudo
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| 00:28 | There's a #ubuntu channel though, for support of that distro
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| 00:52 | <new2linux> hey sutula, u mean u type sudo instead of su - in ubuntu terminal to go to root?
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| 00:52 | i'll try the channel, thx
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| 00:54 | <sutula> new2linux: Yes...but I'm no Ubuntu expert...only used it a little
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| 01:09 | <new2linux> do you use ubuntu now?
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| 01:09 | how to get the user list on the right pane instead of a button only on xchat for ubuntu?
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| 01:11 | deavid has joined #ltsp | |
| 01:13 | <johnny> try checking your config
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| 01:13 | for that program
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| 01:13 | it is an option
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| 01:15 | vagrantc has quit IRC | |
| 01:15 | <new2linux> i did ask that question on ubuntu channel
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| 01:16 | didn't help
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| 01:16 | they said press ctr+f7
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| 01:16 | i did that and nothing happened
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| 01:16 | some say go to preference -> user list, no user list option can be found
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| 01:16 | some say view -> user list, no such panel for view can be found
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| 01:17 | the menu on the panels are: irc, edit, network, discussion, go, help
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| 01:19 | on the preferences: irc preferences, spell checking, colors, effects, file transfer & dcc, networks, scripts and plugins. can't find anything to change user list on all of them
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| 01:19 | i'm using xchat-gnome 0.18
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| 01:19 | on ubuntu 8.04
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| 01:20 | <johnny> that's why
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| 01:20 | that's not regular xchat
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| 01:20 | but anyways.. it's offtopic for this channel
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| 01:21 | not that we don't indulge offtopicness often. but we keep it minimal as we can
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| 01:21 | <new2linux> ok
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| 01:21 | is it possible to run webcam on thin-client?
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| 01:25 | <johnny> seems like it might be possible
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| 01:25 | don't know anybody who has trid
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| 01:38 | <new2linux> do you have to create 10 users for 10 thin-clients or just enough with 1 user for 10 tcs?
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| 02:57 | <LL01> hello
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| 03:14 | <Big-K> is it possible to use sth. else than LDM on the thin clients?
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| 03:14 | need to get my pam logouts working
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| 03:22 | <generic> hi all i have install ltsp 5 on kubuntu
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| 03:22 | when i boot thin clients some of them gives error like initramfs error
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| 03:22 | and a command line comes in
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| 03:22 | what to do any idea
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| 03:22 | <rjune_> Big-K: why would your choice of display managers affect pam?
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| 03:23 | is it the same clients that give this error every time?
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| 03:27 | <Big-K> rjune_, because the pam logout does not work as ssh doesn't close the connection correctly
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| 03:28 | http://lists.alioth.debian.org/pipermail/pkg-ltsp-devel/2008-April/001405.html
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| 03:29 | <generic> guys what i have to put in etc/exports for ltsp
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| 03:29 | /opt/ltsp 192.168.10.0/255.255.255.0(ro,no_root_squash,sync)
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| 03:29 | /var/opt/ltsp/swapfiles 192.168.10.0/255.255.255.0(rw,no_root_squash,async)
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| 03:31 | <laga> nothing
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| 03:31 | if you're using the default nbd setup
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| 03:32 | <rjune_> Big-K: Ah, I believe that changing LDM is possible.
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| 03:32 | laga: does LTSP 5 have SCREEN_01=xterm style configs?
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| 03:34 | <laga> rjune_: i *think* so, but i'm not sure. i rarely use lts.conf
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| 03:37 | <rjune_> Big-K: that's one place to look.
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| 03:41 | <LL01> generic, I have same problem
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| 03:41 | on some clients I got ldm and some got initramfs
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| 03:41 | <Big-K> rjune_, you can write SCREEN_02=shell
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| 03:47 | <generic> LL01 what to do
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| 03:47 | its i thini server + switch response time error
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| 03:48 | switch is slow or what to do whast the cure?
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| 03:48 | <LL01> I don't know, waiting someone help, and I didn't read conf files yet
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| 03:48 | I'm newbie with ltsp
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| 03:49 | I need to learn about ssh -X, and NX before
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| 03:49 | and TSE too :p
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| 03:56 | is it possible to do load balancing with ltsp?
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| 04:00 | <Nubae> loadbalancing happens automatically with ltsp
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| 04:00 | think about it this way...
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| 04:00 | you have 100 clients tied to one ltsp server via automatic dhcp configu
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| 04:01 | <LL01> oh through dhcp server so?
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| 04:01 | <Nubae> it starts slowing down... you add a second server with the same configuration, and its dhcp server picks up the clients
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| 04:01 | when it slows down, the other one picks up the dhcp connections
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| 04:02 | <Appiah> but that will only start to balance once one get fulls?
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| 04:02 | <LL01> is it possible to put charge wieght about login session with dhcp?
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| 04:02 | <Appiah> gets full*
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| 04:03 | <LL01> I remember citrix use wieght charge session load balancing
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| 04:03 | when someone log on, login session attached with wieght charge created with ID
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| 04:04 | iD with users high load applications or critical applications
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| 04:05 | <Nubae> no, think of it this way...
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| 04:05 | the least loaded server will give the connection to the client
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| 04:06 | regardless of how many users are on each one
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| 04:09 | <Nubae> I'm sure there are other loadbalancing options... but I don't see the point really...
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| 04:09 | <LL01> k
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| 04:10 | <Appiah> oh good
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| 04:12 | <Big-K> I've got a huge problem
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| 04:12 | my clients monitors are always turning off after ~10 minutes
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| 04:13 | and don't get back
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| 04:13 | people are working and suddenly the screen turns black
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| 04:13 | I deactivated gnome and X screensaver
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| 04:14 | does somebody habe an idea what it could be?
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| 04:14 | *have
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| 04:17 | <Nubae> tried turning of apic
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| 04:18 | put noapic in the pxelinux.cfg/default file
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| 04:19 | <Big-K> ok
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| 04:19 | thx
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| 05:00 | <Big-K> ok noapic didn't help
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| 05:00 | trying nolapic now
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| 05:06 | <Nubae> is there any documentation for the ltsp plugins system?
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| 05:07 | <cyberorg> Nubae, what are you trying to find out
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| 05:09 | <Nubae> just generally how the plugins system works, specifically whitelist...
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| 05:10 | I'm guessing it means items needed for startup
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| 05:11 | <cyberorg> Nubae, just have a look at any plugin folder, start with common
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| 05:11 | <Nubae> yeah, I'm working on the workstation plugin...
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| 05:11 | <Nubae> but there's a lot of plugins, wasn't sure where to start...
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| 05:13 | <cyberorg> Nubae, i am not clear of what you are trying to do, what kind of workstation plugin?
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| 05:13 | <Nubae> there is a plugin called workstation that sets up low fat clients
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| 05:13 | <cyberorg> Nubae, if you just want to customize what is installed in the client chroot plugin might not be the place to look
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| 05:13 | <Nubae> I am expanding on it, trying to implement nfs home mounting and ldap authentication
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| 05:14 | <cyberorg> fedora uses .ks file somewhere and opensuse uses config.xml that controls what is installed in the chroot, shich distro?
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| 05:14 | *which?
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| 05:15 | <Nubae> ubuntu
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| 05:15 | <cyberorg> ah, ogra is the best person to guide you :)
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| 05:16 | <Nubae> yeah, he's usually quite busy... but as I understand it, I should be using the plugins system... jsut wondered if it was documented anywhere
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| 05:16 | or is it just a matter of looking at scripting
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| 05:18 | <cyberorg> Nubae, just look at scripts in common and ubuntu folder in server/plugins/ltsp-build-client/
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| 05:19 | <Nubae> ah ok... hadn't seen the common folder...
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| 05:19 | <cyberorg> Nubae, you need to copy over common scripts and modify those if using them
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| 05:20 | <Nubae> another piece of the puzzle :-)
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| 05:20 | <cyberorg> or have a blank file of same name if you want to skip any script
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| 05:20 | all the things you can do pre/inside chroot/post is in those scripts
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| 05:21 | <Nubae> ok thanks
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| 05:21 | and fedora/suse have a file that carries the chroot installed apps
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| 05:22 | I guess with ubuntu its all hardcoded in the plugins scripts
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| 05:24 | <cyberorg> https://forgesvn1.novell.com/viewsvn/kiwi-ltsp/trunk/kiwi-ltsp/ltsp/suse-11.0/config.xml?revision=147&view=markup
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| 05:25 | we use file like this ^6 to install/remove packages in chroot
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| 05:26 | <Nubae> cyberorg: maybe you can shed some light on this... I have a customised low fat client environment with ldap and nfs mounting, but when it gets to gdm starting up, it continuously restarts until I get 'the display server has been shut down about 6 times in the last 90 seconds'
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| 05:27 | I've tried taking out loads of startup elements that could be interfering, but I'm running out of ideas
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| 05:27 | <cyberorg> Nubae, anything in the logs?
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| 05:27 | could be filesystem permission issue
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| 05:28 | <Nubae> hmmm... but shouldnt the gdm window at lest come up?
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| 05:28 | <cyberorg> Nubae, logs should be able to shed more light :)
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| 05:28 | <Nubae> I can't get into the logs...
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| 05:29 | I might be able to set syslog = server
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| 05:29 | <cyberorg> Nubae, can't you ssh into the client?
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| 05:29 | or tty1-6?
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| 05:30 | <Nubae> tty1-6, even with SCREEN_1=shell doesn't work
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| 05:30 | hadnt thought about sshing in though, let me try
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| 05:31 | nah, connection refused
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| 05:32 | <cyberorg> Nubae, start ssh server in one of your init scripts
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| 05:32 | <Nubae> ssh-server not isntalled :-)
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| 05:35 | rebuilding fat client (will take 20 minutes)
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| 05:49 | <Big-K> hmmm the clients seem to ignore my pxelinux.cfg/default
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| 05:50 | have "DEFAULT vmlinuz ro initrd=initrd.img noapic nolapic acpi=off" in there
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| 05:50 | <Nubae> do you get a bootsplash page up when it starts up?
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| 05:50 | <Big-K> but dmesg on tty2 client says "found and enabled local APIC!"
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| 05:50 | uhm
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| 05:51 | <Nubae> I'm guessing you took out splash and quiet
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| 05:51 | <Big-K> ok thx for the hint
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| 05:51 | | |
| 05:52 | <Nubae> what's the full path?
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| 05:52 | <Big-K> /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default
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| 05:52 | <Nubae> hmm, sounds correct...
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| 05:54 | <Big-K> hmm
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| 05:54 | maybe because I'm not booting through pxe?!
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| 05:54 | I'm using Etherboot and the client loads the nbi.img
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| 05:56 | <Nubae> :-)
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| 05:56 | <Big-K> :-(
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| 05:56 | <Nubae> could have mentioned that ;-)
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| 05:56 | <cyberorg> Big-K, check if you have any other pxelinux.cfg folder on your server
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| 05:56 | oh, you are not using pxe
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| 05:56 | <Big-K> no
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| 05:57 | so where do I have to put the boot options?
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| 05:57 | <Nubae> try googling etherboot
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| 05:57 | <Big-K> oh noo
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| 05:57 | :-)
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| 05:57 | <Big-K> ok thx so far :-)
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| 05:58 | <alkisg> Big-K, you may modify the init script to force some options, and rebuild the initramfs
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| 05:58 | (for etherboot clients)
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| 05:58 | <new2linux> big-KDE
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| 05:58 | <Big-K> no not KDE
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| 05:58 | ok thx alkisg
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| 05:58 | <new2linux> Big-E verything
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| 05:58 | <alkisg> Supposedly, option 128=magic etherboot signature and option-129=kernel options can do it without rebuilding, but I couldn't do it this way
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| 05:58 | <new2linux> :D
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| 06:00 | <alkisg> Big-K, /opt/ltsp/i386/usr/share/initramfs-tools/init
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| 06:02 | <Big-K> alkisg, ok alright so far
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| 06:02 | <alkisg> Big-K, another thing: gpxe allows booting from a disk with pxe emulation,
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| 06:03 | <Big-K> aha, googling ...
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| 06:03 | <alkisg> so if you change your startup disks/floppies/whatever, you can emulate pxe
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| 06:03 | <Big-K> we have another pxe server here
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| 06:03 | <alkisg> I was looking at those yesterday, don't google, I can tell you
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| 06:03 | <Big-K> that's the problem
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| 06:03 | <alkisg> Oh, I see
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| 06:03 | Which boot disk do you use? from rom-o-matic?
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| 06:03 | <Big-K> yeah
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| 06:04 | <alkisg> Well, you *could* modify it (or gpxe) to bypass the other pxe server (e.g. custom ports or hardcoded information etc), but I think the best way...
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| 06:05 | is to modify init, OR if you can do it (and if you do tell me!!!) put option-128 and option-129 to dhcpd.conf to pass the parameters as you did with pxelinux.cfg/default
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| 06:05 | let me give you a google link to get you started...
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| 06:05 | <Big-K> thx so much!!
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| 06:06 | <alkisg> Search for option-128 e4:45:74:68:00:00 - it's the magic etherboot signature to allow option-129 (=kernel parameters) to be passed
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| 06:07 | I'm using a modified all-in-one driver disk from etherboot.anadex.de, I tried but it didn't work. Found a lot of results that worked in google, though.
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| 06:08 | Oh,why don't you put pxelinux.cfg in your other pxe server? You *can* distinquish the clients with either etherboot or gpxe...
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| 06:08 | <Big-K> cause I'm not that other pxe admin :-)
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| 06:08 | <alkisg> :) OK then!
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| 06:09 | If you manage the option-128/129 trick, please tell me how you did it.
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| 06:09 | <Big-K> sure :-)
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| 06:10 | <alkisg> And a last thing, update-initramfs -u is not enought to modify the nbd image,
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| 06:10 | You have to do ... let me see...
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| 06:10 | <alkisg> .../usr/lib/ltsp/update-kernels in the chroot.
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| 06:10 | <Big-K> thought ltsp-update-image should do it?!
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| 06:12 | <alkisg> I don't know, but it takes much time, doesn't it? Updating kernels takes only 1-2 seconds...
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| 06:12 | <Big-K> uhm
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| 06:12 | <alkisg> If I remember correctly, ltsp-update-image doesn't work
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| 06:12 | <Big-K> it takes, maybe ~ 3mins
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| 06:12 | ok
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| 06:12 | but as far as I know
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| 06:12 | <alkisg> It only updates the image but not the kernels
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| 06:13 | <Big-K> when I edit /opt/ltsp/i386/usr/share/initramfs-tools/init I would have to ltsp-update-image
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| 06:13 | but it loads the nbi.img at startup
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| 06:13 | <alkisg> no!
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| 06:13 | for initramfs, you do update-kernels -u in the chroot, and ltsp-update-kernels outside of it
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| 06:14 | for nbd, in the chroot, /usr/.../update-kernels
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| 06:14 | <Big-K> aha, ok
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| 06:16 | <alkisg> mistake, for initramfs => update-initramfs -u
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| 06:21 | <alkisg> Big-K, the steps for nbd as ogra said: http://www.mail-archive.com/edubuntu-users@lists.ubuntu.com/msg03087.html
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| 06:23 | <Big-K> ok much reading at the moment ;-)
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| 06:24 | <new2linux> can i ask a question?
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| 06:24 | <LL01> no :p
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| 06:24 | <new2linux> i used eth1 on ubuntu installation to update the os
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| 06:24 | <LL01> I'm kiddy
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| 06:24 | <new2linux> now, i want to change eth1 to face the network for thin-client
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| 06:25 | what things should i do to the network? anyone got a references to a link for this task
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| 06:25 | the eth1 was in roaming status when it was used for the internet
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| 06:25 | should i just change it to static ip and set the dhcp?
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| 06:26 | kiddy LL01 help me here plz
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| 06:26 | <LL01> I'm newbie too :)
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| 06:26 | <new2linux> -_-
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| 06:26 | <LL01> never try to to do this yet
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| 06:27 | <Big-K> new2linux, you have 2 networks?
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| 06:27 | <new2linux> used to
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| 06:27 | untill one failed
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| 06:27 | and, got no time to get 1 yet
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| 06:27 | <Big-K> ?!
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| 06:27 | <new2linux> the one failed is the one that is not embedded on the motherboard
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| 06:28 | <Big-K> ok I did not mean the NIC
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| 06:28 | <new2linux> hardware broken due to electricity short cut last night
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| 06:28 | <Big-K> you have a subnet for yur thin clients`
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| 06:28 | ?
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| 06:28 | *your
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| 06:28 | <new2linux> i thought ubuntu set the whole thing automatically
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| 06:28 | i did choose the ltsp when starting up the installation
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| 06:29 | <Big-K> maybe you should watch /etc/network/interfaces and read man interfaces :-)
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| 06:29 | <new2linux> what i've sucessfully set thin-client was with fc8 and k12linux
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| 06:29 | <Big-K> aha
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| 06:29 | <new2linux> but they got different methology, they are using virtual network ltspbr0
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| 06:29 | https://help.ubuntu.com/community/Installation?action=fullsearch&context=180&value=network&titlesearch=Titles
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| 06:30 | which one do you think i should read?
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| 06:30 | <Big-K> I'm sorry, I think I even don't get your problem right
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| 06:31 | <new2linux> i only have 1 lan card, i used it to go online to the internet to get ubuntu updates
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| 06:31 | <Big-K> yeah
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| 06:31 | <new2linux> now the os has been updated and i want to use the lan for the network
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| 06:31 | what changes should i do?
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| 06:32 | the eth1 config. when in internet mode was roaming
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| 06:32 | should i just set it to static ip now and set the dhcp?
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| 06:32 | how to set up dhcp on ubuntu?
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| 06:33 | <alkis1> new2linux, sudo gedit /etc/udev/rules.d/70-persistent-net.rules
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| 06:33 | <Big-K> do you have a dhcp server?
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| 06:33 | <alkis1> remove the card that failed and rename the other. Reboot and you're ready, no need to change dhcp if you change the card name.
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| 06:34 | <new2linux> from the service, yes it's running
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| 06:34 | <alkis1> Just be careful to distinquish the cards correctly
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| 06:35 | <new2linux> alkis1: i'll try that
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| 06:35 | and if in future, i get a new nic card
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| 06:35 | <alkis1> make a copy of the file before to be sure
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| 06:36 | <new2linux> i just plug it in and will not interfere the eth1 that is facing the network right?
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| 06:36 | <alkis1> yes, but eth1 now will be eth0 after the change in rules.d
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| 06:36 | <new2linux> ok
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| 06:37 | * new2linux rebooting | |
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| 06:52 | <new2linux> alkisg: the name still eth1, the lan card that is embedded on the motherboard
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| 06:52 | <alkisg> Did you change it in the rules file?
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| 06:52 | <new2linux> and still not able to get the thin client to connect
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| 06:52 | what rules file?
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| 06:52 | you said just unplug the broken lan card, that's all
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| 06:52 | <alkisg> 70-persistent.net.rules
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| 06:52 | <new2linux> owh
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| 06:53 | <alkisg> No, I said to modify a file
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| 06:53 | <new2linux> what is the rules any page to it?
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| 06:53 | <alkisg> Open the file with sudo gedit /etc/udev/rules.d/70-persistent-net.rules
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| 06:54 | You'll see 2 lines, something like
| |
| 06:54 | SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:1b:24:89:65:d6", ATTR{type}=="1", NAME="eth0"
| |
| 06:54 | change the name from eth1 to eth0 and DELETE the old eth0 line (=card)
| |
| 06:54 | and THEN reboot :)
| |
| 06:54 | I don't know about any pages for it
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| 06:54 | <new2linux> i see
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| 06:56 | <alkisg> If you're afraid to do it, keep a backup. Or you could sudo dhcp-reconfigure dhcp3-server and tell it to listen to eth1 card.
| |
| 06:56 | ...and put a static ip to eth1... It's easier as I said it at first.
| |
| 06:56 | <new2linux> ok
| |
| 06:57 | * new2linux rebooting | |
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| 07:22 | <new2linux> alkisq: work like magic
| |
| 07:22 | done :)
| |
| 07:23 | thank you
| |
| 07:26 | <alkisg> you're welcome :)
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| 07:32 | <cyberorg> we are having ltsp gui soc meeting in #opensuse-soc do join if you are interested
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| 07:33 | <Nubae> soc?
| |
| 07:38 | <alkisg> Ubuntu hardy: when users put a floppy or CD in their PCs, ALL users see an icon in their desktop. Any way for only the user that inserted the CD to see it?
| |
| 07:38 | I don't think I've changed something in the default groups/permissions...
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| 07:43 | <Nubae> alkisg: that was supposed to be fixed, but I still get the same thing too...
| |
| 07:43 | probably have to wait until the next update comes out
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| 07:44 | <alkisg> Nubae, I heard the same thing 1-2 months ago, I thought there was something wrong with my setup... thanks!
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| 07:46 | <cyberorg> Nubae, google summer of code
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| 07:51 | <generic> guys what this error mean
| |
| 07:51 | http://pastebin.com/d63cd16bf
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| 07:51 | <alkisg> generic, no error, just that it didn't need to modify inetd.conf
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| 07:52 | <generic> ok
| |
| 07:52 | one more thing
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| 07:52 | <alkisg> 8 processors???
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| 07:52 | <generic> i amgeeting errors when booting thin client after getting ip and image load i see kubuntu screen then it blanks and say initrfm nad command line comes in
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| 07:53 | whast this mean?
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| 07:53 | i dun know?
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| 07:53 | 8 processors
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| 07:53 | <alkisg> You see a line saying Busybox at the top of the screen?
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| 07:53 | <generic> its a 8 cpu machine
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| 07:53 | <alkisg> and a initramfs> prompt?
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| 07:54 | <generic> yes
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| 07:54 | yes
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| 07:54 | <alkisg> ok, give: ipconfig
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| 07:54 | <generic> what this mean
| |
| 07:54 | ok wait
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| 07:54 | <alkisg> you'll see that it gets a wrong IP from another dhcp server or something
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| 07:55 | <generic> ok plz wait
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| 07:56 | <generic> no ip is ok
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| 07:57 | <alkisg> what is the boot filename?
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| 07:57 | <generic> actu it load the whole image first then i see kubuntu screen and then suddendly it says initramfs
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| 07:57 | <alkisg> No, if you see initramfs, it only loaded nbi.img
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| 07:57 | You boot from a etherboot disk?
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| 07:58 | <generic> no from LAN card
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| 07:58 | <alkisg> pxe?
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| 07:58 | <generic> yes
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| 07:58 | pxe?
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| 07:58 | <alkisg> pxe = the opton "boot from lan" in bios
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| 07:59 | <generic> yes
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| 07:59 | exactly
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| 08:00 | <alkisg> ok, then your dhcp and tftp are OK, but nbd/sqashfs have a problem. Did you change the image in the server or something? If you reboot the server, is it ok?
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| 08:00 | <generic> ya i rebbot the machine
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| 08:00 | then move the image and create new
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| 08:00 | <alkisg> ..and reboot again? :)
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| 08:00 | <generic> before n aftre the prb but prb still there
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| 08:00 | no reboot again
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| 08:01 | <alkisg> Try rebooting the server again...
| |
| 08:01 | <generic> why
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| 08:01 | <alkisg> I'm no expert, I've just seen that it needed it when I played with the image
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| 08:02 | brb
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| 08:03 | <generic> u mean every time i do ltsp-update-image -a i386 i have to reboot
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| 08:03 | machine
| |
| 08:05 | <Appiah> I'm using Suse and its ltsp called Kiwi, if I want to add a application/package , do I just install it on my server and then rebuild the image?
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| 08:06 | <alkisg> no, I've just seen that it *may* have problems once in a while
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| 08:08 | e.g. when I try to boot with a bootp client, dhcp3-server crashes. If I didn't know where to look, I could restart the server and it would work.
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| 08:10 | <generic> hey what abt if i want to see errors in verbose mode
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| 08:10 | to act see what prb it is?
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| 08:10 | <Big-K> alkisg, I found a way to give the boot options to the client
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| 08:11 | <alkisg> Big-K: say it!!! :)
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| 08:11 | <Big-K> I simplay told to to f*** take that pxelinux.0 :D
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| 08:11 | *simply
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| 08:11 | <alkisg> generic, you should edit the file /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default to remove the quiet parameter
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| 08:12 | Big-K, you mean instead of nbi.img? I tried that but the clients didn't boot...
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| 08:12 | <Big-K> it works well here
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| 08:12 | <alkisg> So it's my boot disk which is the problem, I'll throw it away! :)
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| 08:12 | <Big-K> do that :-)
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| 08:13 | <alkisg> My clients don't have the same NICs... anyway, if it works this way, I'll build another one!
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| 08:13 | Thanks!
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| 08:13 | <Big-K> aha
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| 08:13 | you're welcome :-)
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| 08:14 | <alkisg> When you have the time, do have a look at gpxe, it even provides a command line! But it's not so stable as etherboot yet... (it's supposed to replace it in time)
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| 08:15 | * Big-K googling for gpxe :-) | |
| 08:16 | <alkisg> Big-K, how did you do it? dhcpd.conf or a symlink in file system?
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| 08:16 | <Big-K> dhcpd.conf
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| 08:16 | <alkisg> easy :)
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| 08:16 | <Big-K> sure :-)
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| 08:19 | <generic> aqlkisg aftre reboot same issue
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| 08:19 | now what to do
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| 08:20 | <alkisg> ok, what's the error message?
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| 08:20 | <generic> same
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| 08:21 | <alkisg> No, if you remove the quiet and splash parameters, so that it doesn't display a logo
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| 08:21 | you'll see the error message then. No server reboot required, only client
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| 08:23 | <generic> it say mount / file system
| |
| 08:23 | o
| |
| 08:23 | ok
| |
| 08:23 | then same error
| |
| 08:24 | <alkisg> ok, lets be sure: if you give "ipconfig", does your ltsp server answer? do you see a filename=xxxx line?
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| 08:27 | <generic> ipconfig no devices to configureit says
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| 08:27 | <alkisg> ipconfig eth0
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| 08:27 | and see that it receives a valid filename
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| 08:28 | <generic> filenmae:
| |
| 08:28 | n thats it
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| 08:29 | <alkisg> is it empty/
| |
| 08:29 | ?
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| 08:29 | <generic> hey i more thing i have another dhcp running and i am seeing default gateway f that server
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| 08:29 | yes
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| 08:29 | <alkisg> Yeah, that's what I was telling you 30' ago!!! :)
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| 08:30 | now do: ipconfig -c bootp eth0
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| 08:30 | nono no
| |
| 08:30 | well..... try it, but it may (1) work ok and your problem is solved, or (2) crash your dhcp server and you'll have to restart it by sudo /etc/init.d/dhcp3-server restart
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| 12:19 | <gbolte> johnny, were you able to find any patch for sshutils
| |
| 12:19 | <johnny> i doubtthere's a patch for sshutils
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| 12:19 | i was looking for a patch in ssh itself
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| 12:19 | that either provides or negates that message
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| 12:20 | maybe it's an sshd_config option i don't know about?
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| 12:20 | <gbolte> I dont know I just know its a lot easier to change the behavior of ldm in a distro than it is to change sshd
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| 12:20 | lol
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| 12:24 | <johnny> that's not the question tho
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| 12:24 | yet
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| 12:24 | the first question is why one ssh behaves differently than another
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| 12:25 | can't figure out a proper fix until you know that
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| 12:25 | <gbolte> well I think the response that is in the ubuntu sshd was custom put there for them
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| 12:26 | I havent seen that on any other distros
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| 12:26 | I need to find a fedora guy and see what fedora dose
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| 12:34 | <johnny> well it must exist in debian too tho right?
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| 12:34 | warren would know
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| 12:34 | he's the resident fedora guy
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| 12:34 | <warren> ?
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| 12:35 | <gbolte> warren what is the response from your sshd when you give it a wrong password
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| 12:35 | <warren> uh...
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| 12:35 | I never looked into that
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| 12:35 | <johnny> does it just prompt again? or does it give a message?
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| 12:35 | <warren> it seems to restart X and ldm here
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| 12:35 | <gbolte> can you check please
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| 12:35 | <johnny> warren, just ssh, dont' worr yabout what ldm does
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| 12:36 | <warren> warren@localhost's password:
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| 12:36 | Permission denied, please try again.
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| 12:36 | warren@localhost's password:
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| 12:36 | <gbolte> damn
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| 12:36 | they have it too
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| 12:36 | :/
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| 12:36 | <warren> ?
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| 12:36 | * gbolte curses suse | |
| 12:36 | <gbolte> and gentoo
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| 12:36 | :P
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| 12:37 | warren, both opensuse and gentoo sshd do not do that
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| 12:37 | <warren> is that good or bad?
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| 12:37 | <johnny> we don't know :)
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| 12:37 | <gbolte> it breaks ldm
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| 12:37 | ssh root@10.0.5.11
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| 12:37 | Password:
| |
| 12:37 | Password:
| |
| 12:37 | Password:
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| 12:37 | Permission denied (publickey,keyboard-interactive).
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| 12:37 | <johnny> excepti t breaks ldm that is :)_
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| 12:37 | <gbolte> thats what mine dose warren
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| 12:38 | <johnny> maybe we should just look for password:
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| 12:38 | <warren> if I fail a third time it says:
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| 12:38 | Permission denied (publickey,gssapi-with-mic,password).
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| 12:38 | <johnny> yes
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| 12:38 | that's the same for us :)
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| 12:38 | relatively
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| 12:39 | guess we need to keep state, and if we see a 2nd or more prompt, then we know to give error
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| 12:39 | just need to look for /password/i
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| 12:39 | <gbolte> agreed johnny
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| 12:39 | <johnny> err /password:/i
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| 12:39 | <warren> did you talk to vagrantc and ogra about this?
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| 12:39 | <gbolte> need to make the program count I think
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| 12:39 | <johnny> gbolte, patches accepted :)
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| 12:40 | <warren> make ldm count seems wrong
| |
| 12:40 | <johnny> warren, we will be talking to them now :)
| |
| 12:40 | not that we see other behaviour
| |
| 12:40 | now we can say these distros do this, that distro does that, etc
| |
| 12:40 | <warren> the ssh server can be configured to ask any number of times
| |
| 12:40 | <johnny> warren, it's not the asking
| |
| 12:40 | it's this "Permission denied, please try again."
| |
| 12:40 | ours doesn't do that
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| 12:40 | it just prompts again
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| 12:41 | ldm looks for that message
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| 12:41 | <gbolte> it gets rather pissed off when it dosent see that message
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| 12:41 | <johnny> which is now known to be distro specific :)
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| 12:41 | the reason why is not yet known tho
| |
| 12:43 | <gbolte> when are vagrantc or ogra around
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| 12:44 | <johnny> gbolte, in the code it is there
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| 12:44 | sshconnect1.c: error("Permission denied, please try again.");
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| 12:44 | so it is not patched in or out
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| 12:44 | <gbolte> hmm mine isnt called sshconnect1.c
| |
| 12:45 | mine is sshutils.c
| |
| 12:45 | oh
| |
| 12:45 | wait
| |
| 12:45 | thats in sshd
| |
| 12:45 | I see
| |
| 12:45 | hehe
| |
| 12:45 | <johnny> gbolte, it's due toe challenge response auth ?
| |
| 12:46 | <gbolte> johnny, was that code from your sshd or from some other distros?
| |
| 12:46 | <johnny> mine
| |
| 12:46 | for (i = 0; i < options.number_of_password_prompts; i++) {
| |
| 12:46 | if (i != 0)
| |
| 12:46 | error("Permission denied, please try again.");
| |
| 12:46 | <gbolte> hmm
| |
| 12:46 | so why dose it not show up if its there?
| |
| 12:47 | :/
| |
| 12:47 | <johnny> ssh does counting :)
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| 12:47 | if (attempt != 1)
| |
| 12:47 | error("Permission denied, please try again.");
| |
| 12:47 | gbolte, it's obviously conditional.. just need to figure out the condition that triggers it
| |
| 12:48 | <gbolte> but now we are getting into the sshd package which we have no real control over
| |
| 12:48 | :/
| |
| 12:48 | <johnny> no we're not
| |
| 12:49 | we're just trying to figure out why, so we know the proper way to fix ldm
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| 12:49 | we can't fix ldm until we know what the problem with ssh is
| |
| 12:49 | or at least it's not a good idea
| |
| 12:49 | <gbolte> ah
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| 12:50 | <gbolte> where did warren go...
| |
| 12:50 | warren, can you post your sshd_config on pastebin somewhere please?
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| 12:51 | <johnny> what we should do.. is compare the default sshd_config of ours, to whatever is used on the other distro
| |
| 12:51 | aha.. you're ahead :)
| |
| 12:51 | i can paste one from ubuntu later
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| 12:51 | <gbolte> :)
| |
| 12:51 | <johnny> if not.. somebody else here can paste theirs
| |
| 12:51 | <gbolte> er actually I can just go get the deb file and get it
| |
| 12:51 | just a sec
| |
| 12:55 | ok that didnt work
| |
| 12:55 | I cant find the damn config file in the deb
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| 12:55 | haha
| |
| 12:57 | <johnny> did you get openssh-server ?
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| 12:57 | <gbolte> yep
| |
| 12:57 | <johnny> or maybe it's in openssh-common ?
| |
| 12:57 | <alkisg> gbolte: http://pastebin.com/d1a02fe70 from hardy
| |
| 12:57 | <gbolte> openssh-server_4.7p1-8ubuntu1_i386.deb
| |
| 12:58 | GSSAPIAuthentication yes
| |
| 12:58 | wonder if thats it
| |
| 13:00 | * vagrantc never liked the screen scraping approach to ldm | |
| 13:00 | <johnny> vagrantc, would you prefer counting?
| |
| 13:00 | <vagrantc> it's prone to exactly this sort of problem.
| |
| 13:01 | i would prefer just using a real ssh-askpass implementation.
| |
| 13:01 | <johnny> hehe
| |
| 13:01 | well.. sure, but what about now? :)
| |
| 13:01 | <vagrantc> which doesn't handle password expiry.
| |
| 13:02 | johnny: i'd rather get it fixed than continue to heap upon ugly hacks.
| |
| 13:02 | <gbolte> sounds like a plan to me
| |
| 13:02 | :D
| |
| 13:02 | <vagrantc> hmmm... i wonder how feasible it would be to do a real ssh-askpass, and then do screen scraping for the expiry stuff ...
| |
| 13:02 | that would at least get the main functionality working everywhere
| |
| 13:03 | even if password expiry would only work if the text matches
| |
| 13:04 | <gbolte> vagrantc, I have not seen what happens on my implementation of ssh when a password has expired
| |
| 13:04 | I should try and see
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| 13:16 | <rcy> I have an ltsp server with 2 network interfaces. One faces the lan, the other our lab of ltsp clients.
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| 13:18 | <vagrantc> that's a great way to set it up :)
| |
| 13:18 | <rcy> however, I need to connect a single client from the lan, but when trying to login with ldm it says that the workstation isnt authorized to connect to the server
| |
| 13:19 | <gbolte> vagrantc, http://pastebin.com/m3dbe77f thats what a password change looks like for us
| |
| 13:20 | <rcy> what controls this, and where do i need to make changes?
| |
| 13:20 | <vagrantc> rcy: you'll need to add the key/ip pairing in /etc/ltsp/somethingorother and re-run ltsp-update-sshkeys
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| 13:20 | rcy: and possibly ltsp-update-image, if you're using recent versions of ubuntu
| |
| 13:20 | <rcy> vagrantc: ok, i suspected something like that, but couldnt find the file. /etc/ltsp is empty, except for dhcpd.conf
| |
| 13:20 | <gbolte> johnny, have you checked to see what your password change looks like?
| |
| 13:21 | <rcy> im using 8.04. istr it just working in 7.10
| |
| 13:21 | <johnny> did you try to just run ltsp-update-sshkeys and rebuild your image?
| |
| 13:21 | gbolte, no
| |
| 13:21 | <vagrantc> rcy: look at the ltsp-update-sshkeys script ... it should point out what you need to add there
| |
| 13:22 | <gbolte> ours looks a little different because we are using edirectory for logins
| |
| 13:24 | <vagrantc> rcy: /etc/ltsp/ssh_known_hosts.*
| |
| 13:24 | <gbolte> heh looking at the source code password changes will fail in ldm for us as it is now
| |
| 13:24 | <vagrantc> rcy: but you might just need to do as johnny said... re-run ltsp-update-sshkeys and then ltsp-update-image
| |
| 13:28 | <cyberorg> here is the major difference that i see "PasswordAuthentication no " and "UsePAM yes " in our sshd_config
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| 13:30 | <cyberorg> gbolte, if you want to poke at ask-pass thing have a look at https://build.opensuse.org/package/show?package=openssh&project=openSUSE%3AFactory
| |
| 13:31 | <gbolte> alright
| |
| 13:31 | <cyberorg> there is openssh-askpass-gnome
| |
| 13:32 | <vagrantc> well, we might want to implement our own ssh-askpass ...
| |
| 13:32 | just for UI consistancy
| |
| 13:33 | <cyberorg> vagrantc, hopefully openssh-askpass-gnome can be adapted, but having our own would mean one more thing to maintain
| |
| 13:34 | it simply says it is "A GNOME-Based Passphrase Dialog for OpenSSH"
| |
| 13:34 | <vagrantc> cyberorg: i understand the concern...
| |
| 13:34 | cyberorg: but i think it will be hard to maintain the consistancy.
| |
| 13:34 | cyberorg: having implemented something like this over 7 years ago ...
| |
| 13:35 | maybe only 5 years...
| |
| 13:35 | <cyberorg> vagrantc, :)
| |
| 13:37 | even if we get our sshd changed to give "Permission denied, please try again" ldm(X) will still restart?
| |
| 13:37 | <gbolte> it shouldnt
| |
| 13:37 | it should prompt for password again
| |
| 13:38 | according to the code
| |
| 13:38 | <cyberorg> "warren> it seems to restart X and ldm here"
| |
| 13:38 | <gbolte> hmm
| |
| 13:38 | ok
| |
| 13:38 | er
| |
| 13:38 | oh yeah I guess it dose
| |
| 13:38 | my bad
| |
| 13:38 | die(_("User failed password. Restarting\n"));
| |
| 13:39 | hmm
| |
| 13:39 | ok well then
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| 13:39 | <cyberorg> so till someone writes a new code that takes care of password expiry, i'll be adding ssh_config with Gadi's suggestion
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| 13:39 | <gbolte> cyberorg, sounds good
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| 13:39 | :)
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| 13:40 | <cyberorg> restart of X is quite faster than rebooting :)
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| 13:40 | <gbolte> very true
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| 13:45 | cyberorg, so what are we wanting to do about the password change issue
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| 13:45 | right now if a users password has expired he can not login
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| 13:46 | <cyberorg> vagrantc, how do you handle this?
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| 13:48 | <gbolte> cyberorg, its another locking issue if a password has expired and the user tries to log in you must reboot the machine to get it working again
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| 13:49 | <Gadi> sbalneav spent quite some time on password expiration handling in ldm
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| 13:49 | it should be in there
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| 13:49 | <gbolte> Gadi, it is distro specific
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| 13:49 | <Gadi> ah
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| 13:50 | <cyberorg> Gadi, does it work for you?
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| 13:50 | * Gadi doesnt let his password expire and is on the distro for which it was specific | |
| 13:50 | <Gadi> ;)
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| 13:50 | <gbolte> haha
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| 13:50 | <cyberorg> gbolte, our default is never expire password
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| 13:51 | <gbolte> cyberorg, yeah but in some organizations who force password chages say every 40 days this will be very bad behavior
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| 13:52 | <cyberorg> if admin decides to mess with it, he/she better train their clients to change password before they expire
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| 13:52 | <Gadi> iirc (having pored over and hacked up scotty's code) the expiry stuff is yet another key
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| 13:52 | <gbolte> so I mean for now I guess we can just say in documentation that you can not force password changes when using ltsp
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| 13:52 | <Gadi> just patch for suse for now
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| 13:53 | <cyberorg> gbolte, of course they can change before they expire after loging in
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| 13:53 | <cyberorg> Gadi, ?
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| 13:53 | <gbolte> cyberorg, yes that will work but the first time ssh warns them that their password is going to expire in 10 days they will not log in
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| 13:54 | er no I guess it wont warn
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| 13:54 | nvm
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| 13:55 | <Gadi> cyberorg: scotty's code keys off of certain phrases in the response from the ssh conversation. If it is distro specific, it is because it keys off of certain words that suse's conversation does not use
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| 13:55 | <gbolte> it only warns once it has expired
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| 13:55 | <Gadi> but, those phrases are easy to find in scotty's code
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| 13:55 | and to make a suse-patch for
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| 13:55 | <cyberorg> gbolte, have a look at gnome's askpass thing, if there is something that can be used in ldm from there
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| 13:55 | <gbolte> k
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| 13:55 | <Gadi> wait
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| 13:55 | there's no need
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| 13:56 | askpass's functionality is already coded in ldm
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| 13:56 | just the keying is bad for suse
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| 13:56 | <cyberorg> Gadi, vagrantc feels that instead of piling patches this should be handled properly
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| 13:56 | <Gadi> I totally agree
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| 13:56 | are you looking for a short term fix for a solution?
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| 13:57 | *or
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| 13:57 | <gbolte> solution
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| 13:57 | <cyberorg> Gadi, as more distros are getting into ltsp5, better to do a proper solution if it is possible
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| 13:57 | <Gadi> ah, well then, that will be more of an ldm reqrite
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| 13:57 | *rewrite
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| 13:58 | * cyberorg heads to bed, too late here :) | |
| 13:58 | <cyberorg> 'night folks
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| 13:58 | <Gadi> :)
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| 13:58 | <vagrantc> regarding password handling and ldm: http://bugs.debian.org/482553
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| 13:58 | <gbolte> gnight cyberorg
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| 13:59 | lol 99% of this code for askpass is setting up the gui
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| 14:00 | <vagrantc> Gadi: actually, we implement a very broken ssh-askpass in ldm.
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| 14:01 | <warren> ssh isn't available via library or something?
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| 14:01 | screen scraping is just horrible
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| 14:02 | <gbolte> agreed warren
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| 14:02 | <vagrantc> ssh-askpass doesn't handle password expiry.
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| 14:02 | it just logs you in and then you're at the terminal and it asks you all the password expiration questions ...
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| 14:03 | * Gadi agrees to everything said | |
| 14:03 | <gbolte> lol
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| 14:04 | <Gadi> we should just call askpass in front of a background and be done with it
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| 14:04 | :)
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| 14:04 | <gbolte> haha
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| 14:04 | not a bad idea
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| 14:04 | :P
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| 14:04 | <vagrantc> warren: don't know of any libraries to handle this stuff
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| 14:04 | <gbolte> it would look like crap but hey
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| 14:04 | it would work for sure
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| 14:04 | <Gadi> now ... whose askpass do you call?
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| 14:04 | ;)
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| 14:04 | gnome-
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| 14:04 | kde-
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| 14:04 | lol
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| 14:05 | <warren> I guess the desire to not use screen scraping prevented others from making even a proof of concept
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| 14:05 | <vagrantc> Gadi: i don't see a kde equivalent
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| 14:05 | all the ones i see are plain X libs or gtk or gnome
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| 14:06 | * Gadi waves his hands in the usual hand-waving that is done when speaking in generalities | |
| 14:06 | <vagrantc> all of them are pretty ugly except for maybe the gnome one
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| 14:07 | <warren> the gnome one is pretty nice in the latest GNOME release
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| 14:07 | <Gadi> nice and big
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| 14:07 | :)
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| 14:07 | <warren> it automatically pops up a dialog to enter your ssh passphrase for example
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| 14:08 | (not useful for LTSP but pretty cool for your own workstation)
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| 14:08 | <vagrantc> sometimes i wonder, being that i barely use GUIs at all, if LTSP is a good project for me to work on...
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| 14:08 | <Gadi> aint nuttin wrong with scrapin a srceen - as long as you know what to expect
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| 14:08 | <vagrantc> i'm basically providing GUIs for people
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| 14:09 | Gadi: your tail-end caveat is the devilish details
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| 14:09 | <Gadi> well, you just cant be too liberal or too paranoid
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| 14:09 | :)
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| 14:09 | <vagrantc> like, if it actually localizes the password expiry...
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| 14:09 | <Gadi> LANG=C ssh...
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| 14:10 | <vagrantc> and then we have to duplicate translations for all languages for password expiration?
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| 14:11 | <johnny> vagrantc, you're the one hosting the hackfest.. that's dangerous talk :)
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| 14:12 | <vagrantc> johnny: oh, i'm not abandoning LTSP any time soon... it's just an irony that strikes me from time to time :)
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| 14:18 | <gbolte> vagrantc, why do we have to have ldm reproduce error messages why not just forward the message to the user that ssh spits out
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| 14:19 | <vagrantc> gbolte: that's exactly what i recommended we do.
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| 14:20 | <vagrantc> but for whatever reason, screen scraping is what got implemented, and i'm not savvy enough to implement it the way i think it should be done.
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| 14:20 | <gbolte> you are more savvy than I
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| 14:21 | <vagrantc> more savvy != sufficiently savvy
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| 14:22 | i've only made a few patches to ldm, the overall design is well beyond me. i barely even know C.
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| 14:22 | <gbolte> oh
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| 14:22 | hehe
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| 14:23 | I dont know it
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| 14:23 | so you have me beat
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| 14:29 | <gbolte> vagrantc, who would be a good person in the ltsp dev team to talk about this to, eg someone who knows C well and has some time to do it
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| 14:30 | * Gadi thinks the key is to plan first and code second | |
| 14:30 | <vagrantc> gbolte: well, sbalneav wrote it, but hasn't been around much. ogra's worked on some of the C ldm stuff. doesn't seem like either have a lot of time.
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| 14:31 | <Gadi> perhaps we extract the passphrase prompting from ldm entirely, keep the user entry dialog, and call askpass as an overlay dialog for passphrases
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| 14:31 | <Q-FUNK> Gadi: can you try the geode in hardy-proposed?
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| 14:32 | <Gadi> Q-FUNK: I need to get a hardy box going first
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| 14:32 | :)
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| 14:33 | <gbolte> vagrantc, did the old python version do the same password scrape?
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| 14:33 | er
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| 14:33 | <vagrantc> gbolte: i don't think so... it implemented a crude ssh-askpass that broke in anything but the expected password prompt
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| 14:34 | <gbolte> haha
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| 14:34 | ok
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| 14:34 | no good then
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| 14:35 | <gbolte> ooh I know what we need
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| 14:36 | need to look at some of the GUI based scp programs and see how they do it
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| 14:40 | <Q-FUNK> Gadi: ah..
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| 14:41 | <vagrantc> gbolte: my guess is most just use an ssh-askpass implementation
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| 14:41 | gbolte: and probably don't handle password expiry
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| 14:43 | <warren> Q-FUNK: I just sent you an e-mail
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| 14:43 | Q-FUNK: flashrom is failing to even dump the coreboot rom already on your DBE61C
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| 14:44 | <Q-FUNK> really odd
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| 14:44 | <jr_junior> hello
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| 14:44 | compiled the kernel 2.6.25 for ltsp using LBE .. when I boot in the terminal pxe takes the dot and loads the kernel 2.6.25 and when the kernel raises the smodulos for network card to get the ip of the mistake again "dhcpcd failed"
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| 14:44 | <gbolte> vagrantc, yeha looks like secpanel which is written in tk? uses an external askpass application
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| 14:45 | <warren> Q-FUNK: http://www.coreboot.org/Flashrom I found these instructions which told me flashrom is already in Fedora.
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| 14:46 | <Q-FUNK> warren: depends what version you have
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| 14:46 | <warren> version of flashrom you mean?
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| 14:46 | <Q-FUNK> yup
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| 14:46 | <warren> Q-FUNK: svn snapshot from 20080209
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| 14:46 | <Q-FUNK> proper geode support is fairly recent
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| 14:47 | <warren> should I try a newer one?
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| 14:47 | <Q-FUNK> yup
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| 14:48 | <warren> Q-FUNK: is the only difference between the A and C model what is flashed on your ROM?
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| 14:48 | or actual hardware differences?
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| 14:48 | <Q-FUNK> yup
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| 14:48 | hardware
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| 14:48 | A modle has 128mb ram
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| 14:48 | with 64mb nand
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| 14:49 | C model has 256mb ram and no nand
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| 14:49 | <warren> ah
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| 14:49 | <Q-FUNK> http://wiki.thincan.org/DBE61
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| 14:56 | <zeltron> Hi vagrantc : thanks for your help : my server works is finally ok with debian sid
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| 14:56 | <vagrantc> zeltron: glad to hear.
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| 14:56 | <zeltron> It works better when sid is not broken
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| 14:56 | <vagrantc> indeed.
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| 14:56 | <zeltron> :-)
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| 14:56 | <rcy> updating ssh keys and the image worked (after fixing some broken name issues i had)
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| 14:57 | <vagrantc> sid is, by definition, prone to breaking from time to time and you just need to be aware of that.
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| 14:57 | <zeltron> sure, I will use the upgrades with a special care
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| 14:59 | In September, 4 rooms with 15 thinclients each will work with LTSP in the Science Faculty of Limoges (France)
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| 15:31 | <jammcq> hello folks
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| 15:32 | <vagrantc> heya
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| 15:46 | <monteslu> waddup jammcq
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| 15:46 | how bout them pistons
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