IRC chat logs for #ltsp on irc.freenode.net (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
07:30
if one was looking to virtualize their LTSP server, for production use, would you suggest KVM or Xen?
07:31
or VMware ESXI, I guess.
07:46
<muppis>
robehend1, if there something else jobs to do on host, then kvm. Else I suggest Xen.
07:46
VMWare ESXI is quite restricted to be *nix only.
07:47
<robehend1>
muppis: I'm toying with having a win2003 box on there as well, simply as a backup domain controller. KVM then?
07:47
<muppis>
KVM should be fine.
07:47
<robehend1>
hmm, alright. now to learn how to use kvm
07:48
<muppis>
But you can face I/O issues with win2003 on kvm.
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?
09:20
<gnunux>
did you try to connect with ssh ?
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.
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!
09:58
and this is another error i got: http://pastebin.com/EtG6aukC
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.
09:59
<baiki>
ok. then i what about my X11 error?
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..
10:17
It's linux, it just works (tm)
10:17
<robehend1>
hmm. Well, thats encouraging ;)
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"
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
10:18
<robehend1>
wouldnt hurt ;)
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
10:19
With dd the uuid is kept the same
10:19
baiki: distro/version?
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
10:20
alkisg: er, stupid hitting enter button before i'm finished..., meant to include the /var/lib folders, etc
10:20
<alkisg>
robehend1: sure, the only difference with different ip is (1) modify dhcpd.conf accordingly, and (2) ltsp-update-sshkeys
10:20
You can copy either the whole / or just /opt/ltsp, whatever you want, no problems
10:20
Just don't try to copy a booted system without knowing what you're doing
10:20
<robehend1>
alkisg: do i need to grab /var/lib/tftpboot as well?
10:20
nah, i'd grab it though a live disk. learned that lesson before
10:20
<alkisg>
You may, or you can just run ltsp-update-kernels and it'll be recreated
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
10:24
I.e. with tar and nc
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
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 ;)
10:40
alkisg: did that clone strat keep file permissions intact?
10:41
<alkisg>
robehend1: yup
10:41
tar, rsync etc keep permissions fine
10:41
...and dd
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.
10:43
<alkisg>
robehend1: you can even boot the clients with ltsp and copy from there
10:43
No need for a live cd
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,?
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
10:44
<alkisg>
!SCREEN_02
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
10:44
<robehend1>
oh of course. I have to remember I have that root shell..
10:44
<alkisg>
From that root shell you're like if you booted with a live cd
10:45
I think i have a page about a gparted screen script as well... let me see...
10:45
Ah there it is : https://help.ubuntu.com/community/UbuntuLTSP/GParted
10:45
<robehend1>
oh nice.
10:46
my christmas break keeps getting more and more full of things to attempt with no students around
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."
10:56
i got my /etc/hosts.allow, and it's not a firewall issue
10:57
<robehend1>
no clue, sadly. havent used telnet in ages
10:59
<alkisg>
knipwim: $ telnet localhost 9572
10:59
Trying ::1...
10:59
Trying 127.0.0.1...
10:59
Connected to localhost.
10:59
Escape character is '^]'.
10:59
NBDMAGICB��S 
10:59
<knipwim>
at boot time, i get a negotiation: error: server closed connection
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?
11:00
(and is that gentoo?)
11:03
<knipwim>
yes, gentoo, and do you mean the xinet.d file?
11:04
<robehend1>
ah, gentoo. the beginning of many, many hours of frustation for me.
11:04
<knipwim>
:)
11:04
but if it finally works, it feels sooo good
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...
11:04
Do you use nbdswapd?
11:05
<knipwim>
yes, and that works, it correctly creates a swap file
11:05
<alkisg>
(you said ldmswapd above)
11:05
<knipwim>
err, yes, nbdswap
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
11:10
<alkisg>
And this, from the server? $ telnet localhost 9572
11:11
<knipwim>
Trying 127.0.0.1...
11:11
Connected to localhost.
11:11
Escape character is '^]'.
11:11
Connection closed by foreign host.
11:11
<alkisg>
And in /var/log/daemon.log, any messages there?
11:12
(btw I've never seen gentoo, so I might say something that doesn't apply...)
11:15
<knipwim>
on nbd-client 192.168.0.1 9572 /dev/nbd0 it says:
11:15
Dec 22 18:14:50 localhost xinetd[24462]: START: nbdswapd pid=16893 from=192.168.0.21
11:16
Dec 22 18:14:50 localhost xinetd[16893]: FAIL: nbdswapd address from=192.168.0.21
11:16
Dec 22 18:14:50 localhost xinetd[24462]: EXIT: nbdswapd status=0 pid=16893 duration=0(sec)
11:17
<alkisg>
Is the swap file cleared? Or does it stay there?
11:18
Try running nbd-server without xinetd first, if that works then it's a xinetd configuration problem
11:18
<knipwim>
it's cleared, not sure if it's made at all
11:18
<alkisg>
i.e. stop inetd and run nbd-server 9572 $SWAP $NBD_SERVER_OPTS -C /dev/null
11:19
<knipwim>
going to eat now
11:19
but i'll try to run without xinetd
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?
12:18
<alkisg>
What takes a long time?
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12:42
<m4xx>
hah, oops, logging in
12:43
i've added 192.168.1.25 ltsp25 to my hosts file
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?
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
13:07
<robehend1>
any mounts?
13:10
<m4xx>
nope
13:10
<robehend1>
perhaps light it on fire?
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
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
14:53
thx again for the debug support
14:53
<alkisg>
Nice :)
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...
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...
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
15:10
...so that users-admin can be used to manage users, but still have the ability to logon from standalone clients...
15:11
<robehend1>
never tried
15:11
though it makes me wonder which service the client would go to first, /etc/passwd or LDAp
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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