IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 31 August 2010 (all times are UTC)
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| 02:00 | <gnunux> hi
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| 02:30 | <nutron> ok fun
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| 09:21 | <markit> hi, is /etc/hosts with IP - ltspxxx still required in 5.x ltsp? Seems works also without
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| 10:29 | <rogers> hi, i am installing an ltsp server, but the client fails always and say that unkown user id. how should I add users?
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| 10:30 | I have users on my system and I installed to a new one in the chroot environment
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| 10:32 | <alkisg> rogers: you shouldn't need to add any user to the chroot. Just use a user from the server.
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| 10:32 | Distro/version?
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| 10:33 | <rogers> ubuntu 10.4
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| 10:34 | <rogers> alkisg: ubuntu 10.4
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| 10:34 | alkisg: ubuntu 10.04
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| 10:34 | <alkisg> rogers: ok, got it, no need to repeat it
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| 10:34 | A warning about an unknown user id is issued by pulseaudio, if you're talking about that, ignore it
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| 10:35 | Other than that, what do you see when you try to login with a server user?
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| 10:37 | <rogers> alkisg: I am trying to login, it says: "verifying password, please wait" a long pause, then "no response from server, restarting"
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| 10:38 | <alkisg> rogers: ok, there are a number of reasons why this would go wrong.
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| 10:38 | <rogers> alkisg: how to begin?
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| 10:38 | <alkisg> Do you see an error in your server's /var/log/auth.log ?
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| 10:41 | <rogers> alkisg: nothing
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| 10:42 | <alkisg> rogers: try these 2 commands:
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| 10:42 | sudo ltsp-update-sshkeys && sudo ltsp-update-image
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| 10:42 | Then reboot your thin client and try to login again.
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| 10:48 | <rogers> alkisg: thanks a lot, it works fine now! wow, it is fast! I did ltsp-update-sshkeys before, but not the other command! thanks again!
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| 10:49 | <alkisg> You're welcome. You need to run that every time you change your server's ip.
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| 11:27 | <AndyGraybeal> hey guys, i don't know what is going on - and this might be the wrong channel to ask, but I'm having trouble authenticating to the server... myself and all my users. i have Ubuntu 10.04, LTSP, Samba server and NX server running.. i'm wondering if others are experience the same issue or if I'm the only one recently. I'm not sure what is going on. I haven't touched anything regarding authentication like PAM or etc. that I'm aware of.
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| 11:27 | it seems to come and go also... like I can log in fine sometimes and sometimes i can't login at all. it's driving me nuts.
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| 11:28 | like this m orning, i worked, but this afternoon it's not working at all .. and it happens to be during a meeting.. and so i'm sweating this thing out a little.
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| 11:29 | i'm going to blame it on samba first off .. but that's pretty irrational
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| 11:39 | <Gadi> what kind of auth? LDAP? ADS? local?
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| 11:43 | <Kyle__> Humm.
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| 11:44 | <grantk> can lts.conf options be added to the database for ltsp-cluster? or is there a different method to add options in that are not available on the web interface?
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| 11:44 | <Kyle__> Is there somethign _other_ than putting your sessions in /usr/share/xsessions neccesary to get ldm to offer the session type?
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| 11:45 | <AndyGraybeal> Gadi: local as far as i understand, i haven't done anything to change it
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| 11:45 | Gadi: eventually I'd like to go with LDAP but i'm not there yet.
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| 11:45 | <Gadi> AndyGraybeal: is it all a single server
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| 11:45 | ie, are parts on NFS?
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| 11:45 | * Kyle__ blinks. | |
| 11:45 | <Kyle__> Ooh.. wait.. I need them on the server dont' I. Nevermind.
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| 11:45 | <AndyGraybeal> Gadi: no NFS, it's all one server
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| 11:46 | <Gadi> AndyGraybeal: check /var/log/auth.log - maybe there are clues
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| 11:46 | <AndyGraybeal> Gadi: thank you
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| 11:47 | <Gadi> grantk: remember that control-center.py step on the control center VM? You can edit they py file you feed it and rerun it to add variables
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| 11:47 | <grantk> sweet, thanks!
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| 11:51 | <alkisg> Kyle__: fat clients? ldminfod is not running locally on them...
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| 11:54 | <AndyGraybeal> Gadi: thank you for your advice I need to look at this later, i can't focus on it now.
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| 12:08 | <Eghie> hello
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| 12:08 | some people here with a LTSP server with more then 2000 user accounts on it, or similar numbers?
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| 12:11 | <Eghie> the firefox safe browsing function is killing my diskspace
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| 12:12 | and maybe my internet connection
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| 12:12 | <markit> hi, is still required the long list in /etc/hosts of "IP ltspxxx" for reverse resolution (5.x ltsp)? Seems works also without
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| 12:15 | <Eghie> markit: I am using DHCP in combination with Bind with dynamic DNS option, so for me it's working automaticly
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| 12:16 | <markit> Eghie: I'm using dnsmasq instead. What distro and version of bind9? I thought the dynamic dns was not yet upstream (needed for samba4 as well)
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| 12:16 | <Eghie> different distros, but ubuntu hardy for example does work
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| 12:17 | all distros I use are ubuntu
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| 12:17 | but different versions of it
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| 12:18 | lucid has bind 9.7.0
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| 12:19 | which works as well
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| 12:19 | although the rights and the rndc key need to match
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| 12:21 | <markit> Eghie: mmm maybe samba4 requirements are far above that functionality alone, don't remember
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| 12:21 | <Eghie> could be, I've only tried samba 4 once in early stage, but only basic functionality
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| 12:27 | <alkisg> markit: if you're using dnsmasq both as dhcp and dns server, I think you could just use dhcp-host entries in dnsmasq.conf. E.g. dhcp-host=ltsp1,192.168.0.1. Then dnsmasq would provide the "ltsp1" hostname and properly resolve it when the client is running.
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| 12:28 | You'd still need many such entries, but I think it's cleaner than putting them to /etc/hosts, and easier than the clients sending dns updates instead.
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| 12:28 | <johnny> hmm.. or you could put them in another file than /etc/hosts, or use /etc/ethers, or use the dhcp add script (for some of it)
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| 12:45 | <ramadmin> Hi all, I'm running ubuntu lucid and getting connection timed out on the clients
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| 12:45 | can someone help me diagnose?
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| 12:45 | <johnny> timed out where and out
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| 12:46 | where and what*
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| 12:46 | <ramadmin> one sec...
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| 12:47 | <ramadmin> could not load XXX.XXX.XXX.XXX/ltsp/i386/pxelinux.0 connection timed out
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| 12:48 | is it tftp or nbd giving that error
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| 12:50 | <alkisg> tftp
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| 12:51 | Is the ip there correct? (the ltsp server ip?)
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| 12:51 | <AndyGraybeal> Gadi:if i posted my /var/log/auth.log into a pastebin, would I be comprimising my security?
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| 12:51 | <Gadi> probably
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| 12:51 | :)
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| 12:51 | <AndyGraybeal> Gadi: okay thank you
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| 12:51 | <Gadi> at least scan through it once before you do
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| 12:51 | :)
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| 12:52 | <AndyGraybeal> okay, understood.
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| 12:53 | <ramadmin> yes the ip is correct
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| 12:53 | <alkisg> ramadmin: is your tftp server running? sudo netstat -nap | grep :69
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| 12:54 | <ramadmin> yep: udp 0 0 0.0.0.0:69 0.0.0.0:*
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| 12:55 | <alkisg> ramadmin: erm, no in.tftpd at the end of that line?
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| 12:55 | Execute the following commands:
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| 12:55 | grep tftp /etc/inetd.conf
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| 12:55 | <ramadmin> 1357/in.tftpd
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| 12:55 | <alkisg> ls -l /var/lib/tftpboot/ltsp/i386/pxelinux.0
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| 12:56 | grep DIRECTORY /etc/default/tftpd-hpa
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| 12:56 | <ramadmin> grep tftp /etc/inetd.conf gives me nothing
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| 12:56 | root@ramadmin-desktop:~# grep DIRECTORY /etc/default/tftpd-hpa
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| 12:56 | TFTP_DIRECTORY="/var/lib/tftpboot"
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| 12:56 | <alkisg> And the ls command?
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| 12:57 | <ramadmin> root@ramadmin-desktop:~# ls -l /var/lib/tftpboot/ltsp/i386/pxelinux.0
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| 12:57 | -rw-r--r-- 1 root root 14776 2010-08-31 12:01 /var/lib/tftpboot/ltsp/i386/pxelinux.0
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| 12:59 | 2000 stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/nbdrootd /opt/ltsp/images/amd64.img
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| 12:59 | 2001 stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/nbdrootd /opt/ltsp/images/i386.img
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| 13:00 | <alkisg> ramadmin: can you run again the ls command as a normal user and not as admin, to ensure that there are no permission issues?
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| 13:00 | <ramadmin> should I remove the amd64.img line? I only have i386 clients but my server is 64bit
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| 13:00 | aah ok
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| 13:01 | -rw-r--r-- 1 root root 14776 2010-08-31 12:01 /var/lib/tftpboot/ltsp/i386/pxelinux.0
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| 13:02 | <alkisg> Looks ok. Can you try installing tftp-hpa to some pc (either a standalone client or the server itself) and then running the following?
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| 13:02 | tftp server-ip
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| 13:02 | get /ltsp/i386/pxelinux.0
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| 13:02 | ctrl+d
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| 13:02 | <ramadmin> ok one moment...
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| 13:03 | <alkisg> (it's safe to install it to the server, it's no daemon...)
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| 13:05 | <ramadmin> it shows up in ls
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| 13:05 | <alkisg> So you can get the file from tftp?
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| 13:06 | <ramadmin> yep
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| 13:06 | <alkisg> grep pxelinux.0 /etc/ltsp/dhcp.conf
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| 13:06 | *dhcpd.conf
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| 13:07 | <ramadmin> [trixbox1.localdomain ~]# grep pxelinux.0 /etc/dhcpd.conf
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| 13:07 | filename "ltsp/i386/pxelinux.0";
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| 13:07 | filename "/ltsp/i386/pxelinux.0";
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| 13:07 | <AndyGraybeal> Gadi: i think my issue is with pam_winbind :( i have samba server running as a domain controller (but I don't have it yet working....) but we aren't logging in from windows boxes.. we're just using NX clients and LTSP terminals. but a lot of the errors from what i am seeing are when pam_winbind is mentioned.
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| 13:08 | i found this url with information: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/546874
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| 13:08 | <alkisg> ramadmin: I can't think of anything wrong other than your client boot rom. Can you try booting a client with gpxe, e.g. with a usb stick?
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| 13:08 | !gpxe
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| 13:08 | <ltspbot> alkisg: "gpxe" :: the successor to etherboot (http://etherboot.org). To download bootable floppy, cd, usb, kernel etc images, visit http://rom-o-matic.net/
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| 13:08 | <Gadi> even if you haven't directly touched PAM, perhaps when you installed winbind, it touched PAM and Pam didn't like how she was touched
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| 13:09 | <AndyGraybeal> Gadi: yea, inadvertently - i think when i configured Samba this all happened.
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| 13:09 | <ramadmin> alkisg: The client was working before (I reinstalled ubuntu yesterday)
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| 13:10 | <AndyGraybeal> Gadi: i hate samba :) but there is a nothe channel for that talk
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| 13:10 | <alkisg> ramadmin: got it. Still, gpxe will be useful, it has a "config" command that lists all the options that the client got from dhcp
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| 13:10 | <ramadmin> could it be my tftp-hpa.conf should have the amd64.img should be removed?
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| 13:10 | <alkisg> So if you have a usb stick handy, it's the fastest way I can think of to troubleshoot your problem.
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| 13:11 | inetd.conf? It doesn't matter at this point, it's for nbd, later on.
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| 13:11 | <ramadmin> ok one sec....
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| 13:11 | install it on the server?
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| 13:11 | or a client?
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| 13:12 | <alkisg> On a usb stick, and boot the client with it
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| 13:12 | Or if you have an ubuntu pc around, you can install it to its hard disk (even easier)
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| 13:12 | (or on a cd rom, or floppy...)
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| 13:13 | <ramadmin> the client is using a gpxe floppy actually
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| 13:13 | it says something about the gpxe command line
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| 13:13 | <alkisg> Ah, perfect. Then just press "ctrl+b", then "dhcp net0", and then "config"
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| 13:13 | <ramadmin> ahh ok brb
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| 13:17 | damn usb keyboard is not seen by the old ibm bios (1998 pIII) gotta plug in a ps2 keyboard....
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| 13:24 | <ramadmin> back
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| 13:25 | ok what should I read out?
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| 13:25 | the ip's are correct except "next-server"
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| 13:26 | <alkisg> next-server == your tftp server
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| 13:27 | Then it's trying to download the pxelinux.0 from the wrong server... didn't you say above it was the correct ip?
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| 13:27 | Change next-server in your /etc/ltsp/dhcpd.conf
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| 13:28 | <ramadmin> ok
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| 13:28 | <AndyGraybeal> Gadi: i hope you don't mind holding my hand... if i run this command: "sudo dpkg-reconfigure -plow libpam-runtime" ... will i need to recreate all my accounts and paswords? or will everything just work?
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| 13:29 | i don't think it should matter
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| 13:38 | <ramadmin> ok done I restarted dhcpd and same thing, is the root-path supposed to be /opt/ltsp/i386?
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| 13:42 | any ideas?
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| 13:51 | <alkisg> ramadmin: so you have a correct dhcpd.conf and you're getting a wrong next-server on your client?
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| 13:51 | Can you paste your /etc/ltsp/dhcpd.conf ?
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| 13:51 | The root path doesn't matter, it's used for nfs
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| 13:58 | <Gadi> AndyGraybeal: sorry - was afk - reconfiguring pam should not affect usernames/passwords - they should all be comfortably in your /etc/passwd
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| 13:58 | etc
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| 13:58 | <andrew_ubuntu> Hello all!... This is a non LTSP question, but I am hoping someone will know the quick answer. This is on Ubuntu 9.10 running LTSP. I am trying to setup SSH Pubkey authentication and it works for the root user, but none of my normal users. Any ideas?
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| 13:59 | <ramadmin> ok
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| 13:59 | <Gadi> check the user's ~/.ssh/authorized_keys
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| 13:59 | or check /etc/ssh/sshd_config
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| 14:01 | <ramadmin> [trixbox1.localdomain ~]# cat /etc/dhcpd.conf
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| 14:01 | <ramadmin> ddns-update-style interim;
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| 14:01 | ignore client-updates;
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| 14:01 | subnet 192.168.0.0 netmask 255.255.255.0 {
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| 14:01 | # --- default gateway
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| 14:01 | option routers 192.168.0.100;
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| 14:01 | option subnet-mask 255.255.255.0;
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| 14:01 | option domain-name-servers 192.168.0.100;
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| 14:01 | option interface-mtu 1412;
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| 14:01 | # option time-offset -18000; # Eastern Standard Time
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| 14:01 | # option ntp-servers 192.168.1.1;
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| 14:01 | # option netbios-name-servers 192.168.1.1;
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| 14:01 | # --- Selects point-to-point node (default is hybrid). Don't change this unless
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| 14:01 | # -- you understand Netbios very well
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| 14:01 | # option netbios-node-type 2;
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| 14:01 | range dynamic-bootp 192.168.0.128 192.168.0.254;
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| 14:01 | default-lease-time 21600;
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| 14:01 | max-lease-time 43200;
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| 14:01 | # we want the nameserver to appear at a fixed address
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| 14:01 | host ramcash {
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| 14:01 | hardware ethernet 00:23:54:f2:a9:7c;
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| 14:02 | fixed-address 192.168.0.150;
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| 14:02 | }
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| 14:02 | host ramadmin {
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| 14:02 | hardware ethernet 00:23:54:f2:a9:74;
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| 14:02 | fixed-address 192.168.0.151;
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| 14:02 | }
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| 14:02 | host rampublic {
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| 14:02 | hardware ethernet 00:08:54:a6:ce:29;
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| 14:02 | fixed-address 192.168.0.181;
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| 14:02 | }
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| 14:02 | host laptop {
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| 14:02 | hardware ethernet 00:25:56:bd:63:2a;
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| 14:02 | fixed-address 192.168.0.180;
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| 14:02 | }
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| 14:02 | next-server 192.168.0.151;
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| 14:02 | allow booting;
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| 14:02 | allow bootp;
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| 14:02 | # get-lease-hostnames true;
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| 14:02 | option subnet-mask 255.255.255.0;
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| 14:02 | option root-path "/opt/ltsp/i386";
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| 14:02 | if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" {
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| 14:02 | filename "ltsp/i386/pxelinux.0";
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| 14:02 | } else {
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| 14:02 | filename "/ltsp/i386/pxelinux.0";
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| 14:02 | }
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| 14:02 | allow booting;
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| 14:02 | allow bootp;
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| 14:02 | option subnet-mask 255.255.255.0;
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| 14:02 | option root-path "/opt/ltsp/i386";
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| 14:02 | next-server 192.168.0.151;
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| 14:02 | }
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| 14:02 | # --- default gateway
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| 14:02 | option routers 192.168.0.100;
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| 14:02 | option subnet-mask 255.255.255.0;
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| 14:02 | option domain-name-servers 192.168.0.100;
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| 14:02 | option interface-mtu 1412;
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| 14:02 | # option time-offset -18000; # Eastern Standard Time
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| 14:02 | # option ntp-servers 192.168.1.1;
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| 14:02 | # option netbios-name-servers 192.168.1.1;
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| 14:03 | # --- Selects point-to-point node (default is hybrid). Don't change this unless
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| 14:03 | # -- you understand Netbios very well
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| 14:03 | range dynamic-bootp 192.168.0.128 192.168.0.254;
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| 14:03 | default-lease-time 21600;
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| 14:03 | max-lease-time 43200;
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| 14:03 | # we want the nameserver to appear at a fixed address
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| 14:03 | host ramcash {
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| 14:03 | <andrew_ubuntu> Gadi, ya I've check all those files. If I "sudo -s" to the root user, then do "ssh myserver" it works. And it also works for the normal users the other way around. (eg, if I login from to the remote server as user xxx, then ssh to my ltspserver it works).
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| 14:03 | <ramadmin> hardware ethernet 00:23:54:f2:a9:7c;
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| 14:03 | fixed-address 192.168.0.150;
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| 14:03 | }
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| 14:03 | host ramadmin {
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| 14:03 | hardware ethernet 00:23:54:f2:a9:74;
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| 14:03 | fixed-address 192.168.0.151;
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| 14:03 | }
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| 14:03 | host rampublic {
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| 14:03 | hardware ethernet 00:08:54:a6:ce:29;
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| 14:03 | fixed-address 192.168.0.181;
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| 14:03 | }
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| 14:03 | host laptop {
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| 14:03 | hardware ethernet 00:25:56:bd:63:2a;
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| 14:03 | fixed-address 192.168.0.180;
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| 14:03 | <alkisg> ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | <ramadmin> }
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| 14:03 | <alkisg> ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
| |
| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | <ramadmin> next-server 192.168.0.151;
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| 14:03 | <alkisg> ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
| |
| 14:03 | ramadmin: Don't paste files here, use http://ltsp.pastebin.com instead.
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| 14:03 | <ramadmin> allow booting;
| |
| 14:03 | allow bootp;
| |
| 14:03 | # get-lease-hostnames true;
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| 14:03 | option subnet-mask 255.255.255.0;
| |
| 14:03 | option root-path "/opt/ltsp/i386";
| |
| 14:03 | if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" {
| |
| 14:03 | filename "ltsp/i386/pxelinux.0";
| |
| 14:03 | } else {
| |
| 14:03 | filename "/ltsp/i386/pxelinux.0";
| |
| 14:03 | }
| |
| 14:03 | allow booting;
| |
| 14:03 | allow bootp;
| |
| 14:03 | option subnet-mask 255.255.255.0;
| |
| 14:03 | option root-path "/opt/ltsp/i386";
| |
| 14:03 | next-server 192.168.0.151;
| |
| 14:04 | }
| |
| 14:04 | does that look right?
| |
| 14:04 | sorry :(
| |
| 14:04 | <alkisg> !pastebot
| |
| 14:04 | <ltspbot> alkisg: "pastebot" :: The LTSP pastebot is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
| |
| 14:04 | <alkisg> Repaste to pastebot, so that we can properly see it
| |
| 14:04 | Pasting long files here annoys users, they can't chat...
| |
| 14:04 | Also, you're using the wrong path, it's /etc/ltsp/dhcpd.conf
| |
| 14:05 | (that's why I wrote the full path to it twice :))
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| 14:05 | shawnp0wers has quit IRC | |
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| 14:06 | <ramadmin> http://ltsp.pastebin.com/m39L1M9A
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| 14:07 | ThE-RiX has quit IRC | |
| 14:07 | <ramadmin> well no I have a router running dhcpd on 100 and the ltsp server is on 151
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| 14:07 | RiXtEr has joined #ltsp | |
| 14:08 | <ramadmin> it's a centos machine which puts it at /etc/dhcpd.conf
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| 14:08 | the ltsp is ubuntu lucid
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| 14:09 | shawnp0wers has joined #ltsp | |
| 14:11 | vagrantc has joined #ltsp | |
| 14:15 | <alkisg> ramadmin: you have next-server declared twice, and it's within your pool, I'm not sure if that causes problems or not
| |
| 14:16 | What next-server is your client getting? The centos IP?
| |
| 14:16 | <andrew_ubuntu> Gadi: I figured it out... kinda. You have to run "ssh-add"?! Now I have to figure out how to automate this when the server reboots.
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| 14:16 | Gadi has joined #ltsp | |
| 14:16 | <Kyle__> Hello.
| |
| 14:16 | <alkisg> andrew_ubuntu: ssh-copy-id should take care of passwordless ssh...
| |
| 14:17 | http://www.debian-administration.org/articles/152
| |
| 14:17 | <Kyle__> I'm having an issue where clients can't log in, because the image doesn't seem to know about the server's fingerprint, and it's hanging on the (yes/no) prompt that occurs the first time you ssh to a machine.
| |
| 14:18 | <johnny> Kyle__, ltsp-update-sshkeys && ltsp-update-image --arch i386
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| 14:19 | you changed the ip address
| |
| 14:19 | <Kyle__> johnny: Actually I didn't. And I _have_ updated the ssh keys. I can run it again though.
| |
| 14:22 | Alright, going through it again.
| |
| 14:25 | <johnny> that's one of the main reasons it doesn't know the finger print
| |
| 14:25 | or perhaps you edited /etc/hosts on the client?
| |
| 14:26 | <Kyle__> errr. I don't recall doing that.
| |
| 14:26 | Is that something that's generally touched? I hadn't edited that..
| |
| 14:26 | <alkisg> Just wondering, what happens if there's an invalid /opt/ltsp/i386/root/.ssh/known_hosts file?
| |
| 14:26 | Does it take presedence over /opt/ltsp/i386/etc/ssh/ssh_known_hosts ?
| |
| 14:27 | <Kyle__> That's one thing I thought curios. No .ssh directory.
| |
| 14:27 | <alkisg> The /opt/ltsp/i386/etc/ssh/ssh_known_hosts is used normally (system-wide...)
| |
| 14:27 | <markit> alkisg: reading your answer just now
| |
| 14:27 | alkisg: better populate hosts than dnsmasq.conf
| |
| 14:27 | <Kyle__> Umm. Err. ssh_know_hosts is empty
| |
| 14:28 | <markit> alkisg: but the strange thing is taht without both seems to work well
| |
| 14:28 | <alkisg> markit: why? how are other pcs on the clients going to find your clients then?
| |
| 14:28 | *other pcs on your network
| |
| 14:28 | (it's not usually needed, but in concept, I think if you already have a dns server, why not use it?)
| |
| 14:29 | <markit> alkisg: my "pc" are thin clients, and the ltsp is isolated from the other lan
| |
| 14:29 | so no one has to find them
| |
| 14:29 | and among them, they (the users) are logged on the same server
| |
| 14:29 | <alkisg> Right, that's why I said it's not usually needed
| |
| 14:30 | <Kyle__> OK. So I updated my ssh keys, and /opt/ltsp/i386/etc/ssh/ssh_known_hosts is still empty, and there is no /opt/ltsp/i386/root/.ssh directory either. What can I do?
| |
| 14:30 | <alkisg> But e.g. if you install a localapp, then it might be needed
| |
| 14:30 | Kyle__: sudo ltsp-update-sshkeys doesn't update your /opt/ltsp/i386/etc/ssh/ssh_known_hosts ?
| |
| 14:31 | <Kyle__> alkisg: Correct.
| |
| 14:31 | No update.
| |
| 14:31 | <johnny> tryd eleting it
| |
| 14:31 | deleting*
| |
| 14:31 | and run it again
| |
| 14:31 | * Kyle__ shrugs and trys again | |
| 14:32 | <alkisg> Kyle__: or, run sudo sh -x /usr/sbin/ltsp-update-sshkeys
| |
| 14:32 | That provides a trace of the execution
| |
| 14:33 | <ramadmin> alkisg: thanks for your help gonna reboot now and see if anything changed
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| 14:33 | ramadmin has quit IRC | |
| 14:34 | <alkisg> markit: also, putting entries in dnsmasq.conf makes "ping ltsp1" fail with "host unknown" when the client is not booted, which I suppose is better than trying to ping a turned off client
| |
| 14:34 | <Kyle__> http://pastebin.com/wRpasc4A
| |
| 14:35 | * Kyle__ frowns | |
| 14:35 | <alkisg> /usr/sbin/ltsp-update-sshkeys
| |
| 14:35 | sorry
| |
| 14:36 | install -m 644 /tmp/tmp.sk9vvQymAN /opt/ltsp/i386/etc/ssh/ssh_known_hosts
| |
| 14:36 | ^^ that should have worked, unless you have some problems with the install command?
| |
| 14:36 | (line 57 on the pastebin)
| |
| 14:36 | Try this:
| |
| 14:36 | sudo ltsp-update-sshkeys --export /tmp/mykeys
| |
| 14:37 | sudo install -m 644 /tmp/mykeys /opt/ltsp/i386/etc/ssh/ssh_known_hosts
| |
| 14:37 | Does this work?
| |
| 14:38 | <Kyle__> Nope.
| |
| 14:38 | :/
| |
| 14:38 | <alkisg> which install
| |
| 14:38 | What does this give you?
| |
| 14:38 | <Kyle__> /usr/bin/install
| |
| 14:38 | I don't think it's actually a problem with install, but I don't know.
| |
| 14:39 | <alkisg> Well, does cp work?
| |
| 14:39 | sudo cp /tmp/mykeys /opt/ltsp/i386/etc/ssh/ssh_known_hosts
| |
| 14:39 | <Kyle__> I should have had keys in /tmp/mykeys right? It was empty.
| |
| 14:39 | <alkisg> Ah
| |
| 14:39 | OK then, there's the problem
| |
| 14:39 | <Kyle__> Youhave an idea?
| |
| 14:40 | alkisg: You know, I just recalled.... I moved server hardware, and moved my /etc/ssh directory over.. I wonder if that's part of my problem.
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| 14:40 | <alkisg> Let me look at the ltsp-update-sshkeys source...
| |
| 14:40 | Ah, could be
| |
| 14:40 | <Kyle__> But then again, nothing else is upset...
| |
| 14:40 | * Kyle__ frowns | |
| 14:41 | <Kyle__> The ssh keys all look like the have the right permissions...
| |
| 14:42 | <alkisg> Your server ip is 192.168.30.25 ?
| |
| 14:42 | <Kyle__> Yes.
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| 14:42 | grantk has left #ltsp | |
| 14:42 | <alkisg> And what does this return? ssh-keyscan -t rsa 192.168.30.25
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| 14:43 | <johnny> nice command.. i obviously haven't learned enough of this
| |
| 14:43 | alkisg, when did you learn all this?
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| 14:43 | i feel like you became a master pretty quickly :)
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| 14:43 | <alkisg> johnny: just now, looking at the sources :)
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| 14:43 | shogunx has quit IRC | |
| 14:43 | <Kyle__> HUm. Nothing. Which is odd, because I have an rsa key in /etc/ssh/
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| 14:43 | <alkisg> Nah... still a linux newbie
| |
| 14:44 | <Kyle__> alkisg: Think if I remove my public and private keys from /etc/ssh it will all rebuild?
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| 14:44 | <alkisg> I need another 14 years to reach my windows experience :D
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| 14:44 | <johnny> alkisg, everybody is still a n00b.. but anyways.. i'm impressed
| |
| 14:44 | thanks for being awesome
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| 14:45 | <alkisg> Kyle__: well, if you're going the hard way, I'd purge openssh-server, move /etc/ssh, and reinstall openssh-server...
| |
| 14:45 | ...and let it create all the keys (but look out for any dependencies like ltsp-server)
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| 14:45 | <Kyle__> alkisg: I suppose I really could.
| |
| 14:45 | dpkg-reconfigure openssh-server
| |
| 14:45 | That will do the trick in ubuntu/debian
| |
| 14:48 | Humm. Well, dpkg-reconfrigure gamve me knew ssh keys in /etc/ssh, but ltsp-update-sshkey still didn't pick up anything new.
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| 14:48 | ramadmin has joined #ltsp | |
| 14:49 | <ramadmin> i'm back :(
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| 14:49 | <alkisg> Kyle__: a quick way to check when you got it right is `ltsp-update-sshkeys --export -`
| |
| 14:50 | <ramadmin> changed my dhcpd.conf to get rid of the duplicate next-server option and changed the pool to not conflict with other ip's
| |
| 14:50 | <alkisg> Kyle__: cat /etc/ssh/ssh_host_rsa_key.pub ?
| |
| 14:51 | <Kyle__> Yea I got a key there.
| |
| 14:51 | in the key.pub that is. But err, the --export - line produced _no_ output
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| 14:52 | andrew_ubuntu has quit IRC | |
| 14:53 | <Kyle__> Oooh... Wait. Could the script be getting confused because I ahve ssh-server installed in the image?
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| 14:55 | Fsck. Still nothing.
| |
| 14:57 | <alkisg> Kyle__: are you using some non-standard ssh port?
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| 14:57 | <Kyle__> nope. It's the standard ssh port. It's on a VM, but it's standard other than that.
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| 14:59 | rpm_ has quit IRC | |
| 15:00 | <Gadi> Kyle__: is ssh running on the server?
| |
| 15:01 | <alkisg> Kyle__: also try this command: echo server $(cat /etc/ssh/ssh_host_rsa_key.pub | awk '{split ($0, a, " "); print a[1]" "a[2]" "}')
| |
| 15:01 | <Kyle__> Gadi: Yes it is.
| |
| 15:01 | <alkisg> Do you get a key with that?
| |
| 15:02 | <Kyle__> alkisg: Maybe I formatted it wrong, because it gave me ssh-rsa command not found :)
| |
| 15:02 | Oh duh. I left the $( arround ot.
| |
| 15:02 | So yes, it gives me a key.
| |
| 15:07 | <alkisg> Kyle__: make a backup of /usr/sbin/ltsp-update-sshkeys, and open it with sudo gedit
| |
| 15:07 | Then search for the first: if [ -n "$THIS_SERVER" ]; then
| |
| 15:08 | Below it, add:
| |
| 15:08 | echo "Adding key for $ENCRYPTION:"
| |
| 15:08 | echo server $(cat /etc/ssh/ssh_host_${ENCRYPTION}_key.pub | awk '{split ($0, a, " "); print a[1]" "a[2]" "}')
| |
| 15:08 | Then run sudo ltsp-update-sshkeys, and check if you have the key in your normal output
| |
| 15:15 | <Kyle__> Umm. Seriously, I don't see a line like that at _all_
| |
| 15:15 | * Kyle__ runs an update to his server... | |
| 15:15 | <alkisg> It's line 35
| |
| 15:16 | So you just need to put those 2 lines right after it, and before the existing line 36
| |
| 15:16 | Kyle__: you said lucid, right?
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| 15:49 | ramadmin has joined #ltsp | |
| 15:50 | <ramadmin> now i'm getting permission denied :(
| |
| 15:52 | AptDaemon: INFO: Initializing daemon INFO: Quiting due to inactivity Shutdown was requested inetd[1248]: 2001/tcp: bind: Address already in use
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| 15:52 | anyone home?
| |
| 15:53 | * Appiah runs away | |
| 15:58 | Gadi has left #ltsp | |
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| 16:05 | <johnny> AptDaemon ?
| |
| 16:08 | <ramadmin> yeah seems to be running on port 2000
| |
| 16:08 | which nbd-server likes
| |
| 16:10 | i don't know why i'm getting permission denied
| |
| 16:10 | on the client
| |
| 16:11 | <alkisg> At what point?
| |
| 16:12 | <ramadmin> says getting file blah blah pxelinux.0 ...
| |
| 16:13 | shows the ipaddress and server gw etc correctly
| |
| 16:14 | <alkisg> Does it load pxelinux.0? Does it load the kernel?
| |
| 16:14 | <ramadmin> could not load tftp xxx.xxx.xxx.xxx/ltsp/i386/pxelinux.0: Permission denied
| |
| 16:15 | <alkisg> Then it's still a tftp issue (port 69)
| |
| 16:16 | If you press ctrl+b on gpxe, then run: dhcp net0, and then run config, are you getting the correct next-server now?
| |
| 16:17 | <ramadmin> yep
| |
| 16:18 | <alkisg> And right after that, if you run: imgfetch tftp://1.2.3.4/ltsp/i386/pxelinux.0, what do you get?
| |
| 16:18 | (1.2.3.4 ==> put your ltsp server IP there)
| |
| 16:20 | <ramadmin> Could not fetch tftp://192.168.0.151/ltsp/i386/pxelinux.0 Pemission denied
| |
| 16:21 | poff has quit IRC | |
| 16:21 | <alkisg> But you said that you could get that by running tftp from another client, right?
| |
| 16:21 | Or did you try from the ltsp server?
| |
| 16:22 | (tftp 192.168.0.151; get /ltsp/i386/pxelinux.0; ctrl+d)
| |
| 16:22 | <ramadmin> that was from a remote machine
| |
| 16:22 | <alkisg> So you can tftp from another machine, but not from a gpxe client?
| |
| 16:22 | That's very weird. Try asking in #etherboot
| |
| 16:23 | <ramadmin> tftp> get /ltsp/i386/pxelinux.0
| |
| 16:23 | Error code 2: Forbidden directory
| |
| 16:23 | ooh now something is changed
| |
| 16:23 | <alkisg> OK, then tftpd-hpa needs troubleshooting
| |
| 16:23 | Is it running? netstat -nap|grep :69
| |
| 16:24 | <ramadmin> udp 0 0 0.0.0.0:69 0.0.0.0:* 1791/in.tftpd
| |
| 16:24 | <alkisg> You didn't change the directory, right? grep DIRECTORY /etc/default/tftpd-hpa
| |
| 16:25 | <ramadmin> TFTP_DIRECTORY="/var/lib/tftpboot"
| |
| 16:25 | <alkisg> And the file exists and it's readable by users? cp /var/lib/tftpboot/ltsp/i386/pxelinux.0 /dev/null
| |
| 16:26 | <ramadmin> it exists
| |
| 16:26 | <alkisg> (it shouldn't produce anything, no errors)
| |
| 16:26 | <ramadmin> -rw-r--r-- 1 root root 14776 2010-08-31 12:01 /var/lib/tftpboot/ltsp/i386/pxelinux.0
| |
| 16:26 | <alkisg> sudo gedit /etc/default/tftpd-hpa
| |
| 16:26 | <ramadmin> should it have the execute bit on?
| |
| 16:27 | <alkisg> change TFTP_OPTIONS="--secure" to TFTP_OPTIONS="--verbose --secure"
| |
| 16:27 | restart tftp: sudo invoke-rc.d tftpd-hpa restart
| |
| 16:28 | Then from the menu run system > settings > log viewer
| |
| 16:29 | Try getting pxelinux.0 again from the tftp command line, and check the logs
| |
| 16:29 | <ramadmin> var log messages?
| |
| 16:29 | <alkisg> In daemon.log, you should be seeing something like that: Sep 1 00:30:37 alkis in.tftpd[15900]: RRQ from 127.0.0.1 filename /ltsp/i386/pxelinux.0
| |
| 16:29 | ...or an error message
| |
| 16:30 | <ramadmin> im running gnome not kde
| |
| 16:30 | <alkisg> Right, I was talking about gnome
| |
| 16:30 | system menu > settings > log viewer
| |
| 16:30 | (I have greek menus so the wording is not exact)
| |
| 16:30 | <ramadmin> ok....
| |
| 16:30 | <alkisg> gnome-system-log is the command line equivalent
| |
| 16:31 | <ramadmin> inetd[1248]: 2001/tcp: bind: Address already in use
| |
| 16:32 | <alkisg> Don't mind 2001 port, it's not related to the tftp problem
| |
| 16:32 | <ramadmin> init: tftpd-hpa main process (1791) killed by TERM signal
| |
| 16:32 | grantk has left #ltsp | |
| 16:33 | <alkisg> Is that when you restarted tftp?
| |
| 16:33 | <ramadmin> yeah in /var/log/syslog
| |
| 16:33 | <alkisg> OK, try running: tftp localhost -c get /ltsp/i386/pxelinux.0
| |
| 16:34 | and check again daemon.log
| |
| 16:36 | <ramadmin> in.tftpd[2260]: RRQ from 127.0.0.1 filename /ltsp/i386/pxelinux.0
| |
| 16:36 | i got the file
| |
| 16:36 | <alkisg> OK. Where did you run tftp from?
| |
| 16:37 | The ltsp-server?
| |
| 16:37 | Or some other pc?
| |
| 16:38 | <ramadmin> the ltsp server, if I run it from another box i get tftp localhost -c get /ltsp/i386/pxelinux.0
| |
| 16:38 | Error code 2: Forbidden directory
| |
| 16:38 | oooh wait one sec
| |
| 16:39 | <alkisg> Not localhost there
| |
| 16:39 | Put the ltsp-server ip
| |
| 16:39 | If it doesn't succeed from other PCs, check for firewalls
| |
| 16:39 | <ramadmin> yeah just fixed that and now i get it
| |
| 16:39 | vagrantc has quit IRC | |
| 16:40 | <ramadmin> lemme try the thin client again
| |
| 16:41 | now i am getting connection timed out on the thin client
| |
| 16:41 | with gpxe
| |
| 16:42 | <alkisg> ctrl+b, dhcp net0, imgfetch tftp://server-ip/ltsp/i386/pxelinux.0
| |
| 16:42 | Don't forget the server-ip
| |
| 16:43 | <ramadmin> ok
| |
| 16:44 | otavio has quit IRC | |
| 16:45 | <ramadmin> cound not fetch tftp://192.168.0.151/ltsp/i386/pxelinux.0 connection timed out
| |
| 16:46 | ramadmin-desktop in.tftpd[2280]: RRQ from 192.168.0.181 filename ltsp/i386/pxelinux.0
| |
| 16:47 | <alkisg> Are you sure the client can "see" the server (I'm talking about your network wiring)
| |
| 16:47 | If so, then it's a gpxe problem now, ask in #etherboot
| |
| 16:49 | otavio has joined #ltsp | |
| 16:52 | <ramadmin> ok thanks
| |
| 16:53 | vagrantc has joined #ltsp | |
| 17:03 | <Kyle__> sorry, pulled away by other work concerns.
| |
| 17:10 | alkisg: I am indead on the lynx, but I'm in an odd VM. I wonder if that's part of my issue.
| |
| 17:10 | alkisg: It came as a jaunty vm I think, and had to be updated to lynx.
| |
| 17:11 | <alkisg> Kyle__: can you pastebin your /usr/bin/ltsp-update-sshkeys ?
| |
| 17:11 | <Kyle__> alkisg: sure. And mine is in sbin, not bin
| |
| 17:11 | <alkisg> Right, sbin here too
| |
| 17:12 | <Kyle__> OK, drat :) I was hoping difference would be some vital clue, give someone an "ahah!"
| |
| 17:13 | <alkisg> Nah, I bet we have the same ltsp-update-sshkeys
| |
| 17:13 | ...and you just overlooked line 35
| |
| 17:14 | <Kyle__> http://pastebin.com/ymFpuQT9
| |
| 17:14 | There we are
| |
| 17:15 | My line 35 is
| |
| 17:15 | #
| |
| 17:16 | <alkisg> Uh, sorry, I was looking at the column :D
| |
| 17:17 | Uhm
| |
| 17:18 | * alkisg has a newer-than-lucid-version, moment.. | |
| 17:18 | <Kyle__> Ahh.
| |
| 17:18 | alkisg: you're on mamorious manatee?
| |
| 17:19 | <alkisg> Nah, I'm on lucid, I just have a newer ltsp package
| |
| 17:19 | <Kyle__> Methodical Mare?
| |
| 17:19 | Oh I see.
| |
| 17:19 | <alkisg> heh
| |
| 17:19 | <Kyle__> They really don't have a whole lot of choices for the "M" animals.
| |
| 17:20 | <alkisg> Um, ok, there were some big changed by Gadi at http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/revision/1732
| |
| 17:20 | ramadmin has quit IRC | |
| 17:20 | <alkisg> Kyle__: instead of troubleshooting the old ltsp-update-sshkeys version, can you replace it with that one? :
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| 17:20 | http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/annotate/head%3A/server/ltsp-update-sshkeys
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| 17:21 | Backup your existing one and replace it with the current one ^^^
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| 17:21 | <Kyle__> OK.
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| 17:22 | alkisg: latest for revision 1732 specifically?
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| 17:22 | <alkisg> No, use the current one, 1776
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| 17:22 | the last link I posted
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| 17:25 | <Kyle__> Seems happier. Waiting for my image to rebuild so I can test...
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| 17:33 | <abeehc-_> anyone out there using thunderbird 2 with ltsp?
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| 17:33 | message window scroll sucks so bad for no apparent reason
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| 17:37 | <Kyle__> alkisg: That did it :) THanks
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| 17:37 | <alkisg> You're welcome... if you want, file a bug in launchpad in case an SRU can be applied
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| 17:44 | <nutron> anyone successful getting an ati onboard card (newer, HD4200) running with lenny/older ubuntu for a client?
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| 17:51 | <Kyle__> ok, time for me to take a class
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| 18:04 | <rampageai> LTSP question: My understanding is that an LTSP thin client will not "mount" a music CD because playing a music CD is handled differently then mounting a data CD from the local file system of a thin client. Is there any workaround or fix that would allow a music CD to work naturally on a thin client?
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| 18:13 | <markit> hi, when an updated ltsp-server is available in debian/kubuntu, how can I update my ltsp server? I mean, just installing the new package improves the situation, or I have to rebuild the clients from scratch?
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| 18:14 | <rampageai> Hi markit, do you mean like the example here: https://help.ubuntu.com/community/UbuntuLTSP/UpdatingChroot
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| 18:14 | <markit> rampageai: that is for updating the chroot
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| 18:15 | what if I have a new ltsp-server package available? I install with aptitude install ltsp-server, but are the improvements it contains applied to my installation automagically?
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| 18:16 | mmm "If you have upgraded the LTSP server to a new release (such as Hardy -> Intrepid), it is recommended to build a new client chroot from scratch"
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| 18:16 | also for minor updates?
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| 18:17 | oh, they mean "the pc that acts as a server" not the ltsp-server package
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| 18:17 | so my question is still open :)
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| 18:17 | <johnny> you don't have to
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| 18:17 | most of teh time anyways
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| 18:18 | if you run into a specific bug, or want a feature, somebody might recommend it
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| 18:18 | <abeehc-_> mm tbird 3 works flawlessly
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| 18:18 | <johnny> but otherwise, unless you want to read the changelog for it, don't bother markit
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| 18:19 | <markit> johnny: I see, thanks
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| 18:47 | <nutron> any chance one could run module-assistant inside a thin client? /var/ is mounted ro, and if I try to run it on the server, the architectures don't match :(
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| 19:15 | <johnny> nutron, /var is mounted ro. but not all directories within are
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| 19:16 | but why do you need module-assistant? i don't even know what that does
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| 20:05 | <lfaraone> With regards to getting amd64 versions of ltspfs working, I remember there's a reason just changing the casting as done in http://launchpadlibrarian.net/53756627/ltspfsd_functions.c.patch won't work. Anybody remember why?
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| 22:16 | <Kyle__> How do you set the default session offered to users? I have multiple sessions in /usr/share/xsession, and they're all needed...but I want to specify one specific one for the default.
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| 22:20 | <johnny> Kyle__, do you read docs? :)
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| 22:20 | !lts.conf
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| 22:20 | <ltspbot> johnny: "lts.conf" :: http://manpages.ubuntu.com/lts.conf
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| 22:20 | <johnny> it's all there pretty much
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| 22:21 | LDM_SESSION should do it
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| 22:21 | or maybe it's LDM_XSESSION
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| 22:27 | <Kyle__> johnny: I've read them, I just can't recall all of it right now.
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| 22:28 | <johnny> usually i just grep for the stuff i want to find now
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| 22:28 | this is where i like using gentoo (i miss it)
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| 23:33 | * vagrantc marvels at kexec | |
| 23:38 | <johnny> vagrantc, ok.. insane idea
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| 23:38 | in 2 parts.. one part already exists
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| 23:38 | this involves using your phone as a workstation
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| 23:39 | 1) plug your phone into a shell styled like a laptop, just mostly empty (this exists)
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| 23:39 | 2) gain access to an x86 chip also in the shel
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| 23:39 | that's the insane part
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| 23:40 | so you could still game , or compile, or run other apps that aren't portable to arm
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| 23:44 | * vagrantc is trying to write an initramfs-tools hook that downloads a kernel/initramfs and then runs them via kexec. | |
| 23:47 | <vagrantc> for bootloaders that don't support network boot ...
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| 23:49 | <johnny> and also don't allow chain loading?
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| 23:49 | i wonder if you could pull gpxe.. but then there's a driver issue ..
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| 23:49 | but still. kexec is cool
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