IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 22 December 2010 (all times are UTC)
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| 01:55 | <gnunux> hi
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| 07:23 | <muppis> Active day..
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| 07:29 | <robehend1> muppis: oh you know it
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| 07:30 | if one was looking to virtualize their LTSP server, for production use, would you suggest KVM or Xen?
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| 07:31 | or VMware ESXI, I guess.
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| 07:46 | <muppis> robehend1, if there something else jobs to do on host, then kvm. Else I suggest Xen.
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| 07:46 | VMWare ESXI is quite restricted to be *nix only.
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| 07:47 | <robehend1> muppis: I'm toying with having a win2003 box on there as well, simply as a backup domain controller. KVM then?
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| 07:47 | <muppis> KVM should be fine.
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| 07:47 | <robehend1> hmm, alright. now to learn how to use kvm
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| 07:48 | <muppis> But you can face I/O issues with win2003 on kvm.
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| 07:48 | kvm is easy when done with libvirt and virt-manager.
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| 09:13 | <baiki> newly created user can not login with ltsp but the one during installation can on every thin client (only this username used during installation)
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| 09:19 | <baiki> do i need a DNS server?
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| 09:20 | <gnunux> did you try to connect with ssh ?
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| 09:20 | ssh user@localhost
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| 09:32 | <baiki> ssh localhost was successful. the sshd said that user auth successfully. but no login. checked .xsession-errors
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| 09:36 | <baiki> http://pastebin.com/EtG6aukC
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| 09:41 | <baiki> ssh localhost was successful. the sshd said that user auth successfully. but no login. checked .xsession-errors [15:36] <baiki> http://pastebin.com/EtG6aukC
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| 09:43 | <baiki> sorry for this on/off with my username. i am using african internet.
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| 09:44 | <robehend1> muppis: sorry, had to stop away unexpectedly for a while. what kind of i/o issues with win2k3 on KVM?
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| 09:58 | <baiki> if sabayon is installed. do i have to create for eveny user a profile? i can not login with newly created users!
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| 09:58 | and this is another error i got: http://pastebin.com/EtG6aukC
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| 09:59 | <robehend1> baiki: sabayon allows you to apply it's profile to all users or specific groups of users. you dont need to make a profile for each. Also, I dont think it would stop you from being able to login.
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| 09:59 | <baiki> ok. then i what about my X11 error?
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| 10:00 | <robehend1> sadly beyond my knowledge. I looked at the pastebin, but since i'm not sure how ltsp x11 works, I couldnt help :(
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| 10:16 | <robehend1> how would one go about moving a working ltsp install to a new, physical box? Same IP and everything, just different hardware. I'm assuing a dd copy wouldnt work.
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| 10:17 | <alkisg> robehend1: dd would work (if same/larger disk), tar would work, clonezilla would work, plain rsync would work..
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| 10:17 | It's linux, it just works (tm)
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| 10:17 | <robehend1> hmm. Well, thats encouraging ;)
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| 10:18 | <alkisg> robehend1: after booting you might want to `rm /etc/udev/rules.d/70-persistent-net.rules` so that your new nic is called again "eth0" instead of "eth1"
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| 10:18 | <baiki> i am looking for ideas to be able to logon to ltsp using thin clients. newly created users won't be able to login, only the one used during installation. permission problem??? i also got an X11 error
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| 10:18 | <robehend1> wouldnt hurt ;)
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| 10:19 | <alkisg> robehend1: If you just copy to another partition, you'd want to set the uuid with tune2fs so that you don't have to modify grub, fstab etc
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| 10:19 | With dd the uuid is kept the same
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| 10:19 | baiki: distro/version?
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| 10:19 | <robehend1> alkisg: what if i was moving to a different server with a different IP? could i just rsync over the /opt/ltsp
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| 10:20 | alkisg: er, stupid hitting enter button before i'm finished..., meant to include the /var/lib folders, etc
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| 10:20 | <alkisg> robehend1: sure, the only difference with different ip is (1) modify dhcpd.conf accordingly, and (2) ltsp-update-sshkeys
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| 10:20 | You can copy either the whole / or just /opt/ltsp, whatever you want, no problems
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| 10:20 | Just don't try to copy a booted system without knowing what you're doing
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| 10:20 | <robehend1> alkisg: do i need to grab /var/lib/tftpboot as well?
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| 10:20 | nah, i'd grab it though a live disk. learned that lesson before
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| 10:20 | <alkisg> You may, or you can just run ltsp-update-kernels and it'll be recreated
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| 10:21 | <robehend1> nice
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| 10:24 | <alkisg> robehend1: before ltsp, I used to clone disks inside school labs by following the "backup over the network" paragraph here: https://help.ubuntu.com/community/BackupYourSystem/TAR
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| 10:24 | I.e. with tar and nc
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| 10:24 | If you have gigabit it's even faster than putting the 2 disks on the same machine and copying locally...
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| 10:27 | <baiki> i use ubuntu 9.10 with ltsp 5
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| 10:30 | <alkisg> baiki: in /var/log/auth.log do you see sucessful login attempts?
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| 10:38 | <robehend1> alkisg: ooo, ill take a look at that ;)
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| 10:40 | alkisg: did that clone strat keep file permissions intact?
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| 10:41 | <alkisg> robehend1: yup
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| 10:41 | tar, rsync etc keep permissions fine
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| 10:41 | ...and dd
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| 10:41 | <robehend1> Nice. now to create a master tar for a basic setup, throw it on a server, and have a homegrown imaging. since I cant seem to get F.O.G. to do ubuntu very well.
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| 10:43 | <alkisg> robehend1: you can even boot the clients with ltsp and copy from there
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| 10:43 | No need for a live cd
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| 10:43 | <robehend1> does ltsp-cluster-control work on a standalone ltsp? i.e. I could see what clients i have out booted, their IPS, etc,?
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| 10:44 | * alkisg has no idea about ltsp-cluster, never seen it - and I never have more than 1 server per school anyway :) | |
| 10:44 | <robehend1> alkisg: after mounting the local disk, you mean? else I dont see where I would be copying too
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| 10:44 | <alkisg> !SCREEN_02
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| 10:44 | <ltspbot> alkisg: "SCREEN_02" :: to get a root shell on an Ubuntu thin client: https://help.ubuntu.com/community/UbuntuLTSP/ClientTroubleshooting#Using%20a%20shell%20SCREEN
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| 10:44 | <robehend1> oh of course. I have to remember I have that root shell..
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| 10:44 | <alkisg> From that root shell you're like if you booted with a live cd
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| 10:45 | I think i have a page about a gparted screen script as well... let me see...
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| 10:45 | Ah there it is : https://help.ubuntu.com/community/UbuntuLTSP/GParted
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| 10:45 | <robehend1> oh nice.
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| 10:46 | my christmas break keeps getting more and more full of things to attempt with no students around
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| 10:48 | <knipwim> when configuring ldmswapd with default settings, telnet <server> 9572 on the client should connect, right?
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| 10:50 | <knipwim> instead it connects, and disconnects immediately with a "Connection closed by foreign host."
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| 10:56 | i got my /etc/hosts.allow, and it's not a firewall issue
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| 10:57 | <robehend1> no clue, sadly. havent used telnet in ages
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| 10:59 | <alkisg> knipwim: $ telnet localhost 9572
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| 10:59 | Trying ::1...
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| 10:59 | Trying 127.0.0.1...
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| 10:59 | Connected to localhost.
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| 10:59 | Escape character is '^]'.
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| 10:59 | NBDMAGICB��S
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| 10:59 | <knipwim> at boot time, i get a negotiation: error: server closed connection
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| 10:59 | <alkisg> It'd make more sense to connect with nbd-client though
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| 11:00 | <alkisg> How did you configure nbd-server?
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| 11:00 | (and is that gentoo?)
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| 11:03 | <knipwim> yes, gentoo, and do you mean the xinet.d file?
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| 11:04 | <robehend1> ah, gentoo. the beginning of many, many hours of frustation for me.
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| 11:04 | <knipwim> :)
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| 11:04 | but if it finally works, it feels sooo good
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| 11:04 | <alkisg> Yes, e.g. we use openbsd-inetd in ubuntu, or you could just create a configuration file for nbd-server and run it without inetd...
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| 11:04 | Do you use nbdswapd?
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| 11:05 | <knipwim> yes, and that works, it correctly creates a swap file
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| 11:05 | <alkisg> (you said ldmswapd above)
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| 11:05 | <knipwim> err, yes, nbdswap
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| 11:05 | <alkisg> And if you connect ok with telnet from localhost, do you see the nbdmagic above?
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| 11:10 | <knipwim> a nbd-client 192.168.0.1 9572 /dev/nbd0 results in a Negotiation: Error: Server closed connection
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| 11:10 | <alkisg> And this, from the server? $ telnet localhost 9572
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| 11:11 | <knipwim> Trying 127.0.0.1...
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| 11:11 | Connected to localhost.
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| 11:11 | Escape character is '^]'.
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| 11:11 | Connection closed by foreign host.
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| 11:11 | <alkisg> And in /var/log/daemon.log, any messages there?
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| 11:12 | (btw I've never seen gentoo, so I might say something that doesn't apply...)
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| 11:15 | <knipwim> on nbd-client 192.168.0.1 9572 /dev/nbd0 it says:
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| 11:15 | Dec 22 18:14:50 localhost xinetd[24462]: START: nbdswapd pid=16893 from=192.168.0.21
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| 11:16 | Dec 22 18:14:50 localhost xinetd[16893]: FAIL: nbdswapd address from=192.168.0.21
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| 11:16 | Dec 22 18:14:50 localhost xinetd[24462]: EXIT: nbdswapd status=0 pid=16893 duration=0(sec)
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| 11:17 | <alkisg> Is the swap file cleared? Or does it stay there?
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| 11:18 | Try running nbd-server without xinetd first, if that works then it's a xinetd configuration problem
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| 11:18 | <knipwim> it's cleared, not sure if it's made at all
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| 11:18 | <alkisg> i.e. stop inetd and run nbd-server 9572 $SWAP $NBD_SERVER_OPTS -C /dev/null
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| 11:19 | <knipwim> going to eat now
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| 11:19 | but i'll try to run without xinetd
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| 11:19 | thanks for now
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| 12:11 | <m4xx> it takes kind of a long time, is there something i can do to speed it up?
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| 12:18 | <alkisg> What takes a long time?
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| 12:42 | <m4xx> hah, oops, logging in
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| 12:43 | i've added 192.168.1.25 ltsp25 to my hosts file
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| 12:43 | but it doesn't seem to have made any effect
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| 12:58 | <robehend1> m4xx: anything else running at login that could slow it down?
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| 13:06 | <m4xx> i'll strip all the startup app's and see if that makes a difference, but nothing major is set to start
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| 13:07 | <robehend1> any mounts?
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| 13:10 | <m4xx> nope
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| 13:10 | <robehend1> perhaps light it on fire?
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| 13:13 | <m4xx> nah, the "server" is semi bad ass and it's a "ltsp certified thin client" so i must have screwed something up or missed a setting or something
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| 13:17 | <robehend1> ah, take all the fun outta it.
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| 13:34 | <knipwim> alkisg: cool! it works without the xinetd
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| 14:53 | <knipwim> alkisg: made the xinetd work by changing the only_from = localhost line
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| 14:53 | thx again for the debug support
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| 14:53 | <alkisg> Nice :)
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| 14:54 | * alkisg hasn't even seen xinetd... nor gentoo :D | |
| 14:54 | <alkisg> Also I wonder if using any kind of *inetd is good for ltsp...
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| 14:55 | Isn't inetd for "casual" use, to save ram for some services? Saving a few MB when _no_ client is booted and then consuming a few MB more when a client is booted doesn't sound good to me...
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| 15:05 | <robehend1> if i'm not mistaken, which i very well could be, I think your right with that Alkisg.
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| 15:09 | <alkisg> Is it possible to use LDAP with /etc/passwd as the backend? :O
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| 15:10 | ...so that users-admin can be used to manage users, but still have the ability to logon from standalone clients...
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| 15:11 | <robehend1> never tried
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| 15:11 | though it makes me wonder which service the client would go to first, /etc/passwd or LDAp
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| 15:11 | <alkisg> Ooops battery out, sorry, gotta go, night all
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| 15:32 | <Father0fNine> I think I found this. Is there anyone here that knows the Debian package? I did the install of what was in squeeze, followed the directions and I'm getting an NFS error on my client "nfsmount: need a path" Where should that have been configured?
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| 21:45 | <joeoshawa> anyone home
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| 22:03 | <joeoshawa> can anyone help with a build on ubuntu 10.10 64 bit build for i386 arch
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| 22:03 | <joeoshawa> and i am using the arch command but it seems to download the 64 bit programs and errors dependancies not met
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