IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 27 November 2012   (all times are UTC)

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19:43
<wicksey>
I'm trying out ltsp-pnp for the first time. Just installed it on debian wheezy. Ran through these instructions: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp and I'm getting 'No filename' 'FATAL: COuld not read from the boot medium! System halted' on the client. Any ideas?
19:48
Do I need tftpd-hpa installed for ltsp-pnp?
19:49
<||cw>
wicksey: sounds like your dhcp is either missing the file name, or the relative path is not mat matched with your tftp root path
19:49
dnsmasq includes a tftp server
19:50
<wicksey>
Hmmm. I maybe not understanding ltsp-pnp. It seems to want to use my router as dhcp server. I'm fine with that, but that means I haven't specified anything... what server to boot from, the path etc. How does that 'just work'? I've missed something.
19:50
<||cw>
it's possible that wheezy and ubuntu 12.04 have different dnsmasq config defaults
19:50
<wicksey>
aah
19:51
<||cw>
it's even possible that wheezy's default is a blank pxe file name
19:52
<wicksey>
I'm really to find any docs for this. I only find the ubuntu page, which is pretty brief (and for ubuntu).
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19:53
<wicksey>
Do I edit /etc/dnsmasq.conf?
19:57
Could someone paste up their working /etc/dnsmasq.conf please so I can compare it to the default one in debian wheezy?
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20:14
<vagrantc>
wicksey: you could use "ltsp-config dnsmasq"
20:14
oh, wait, it has bugs in wheezy, the version in sid should work fine though.
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20:17
<wicksey>
I've used ltsp-config dnsmasq and found the file it generates
20:19
Is the bug in wheezy related to the file it generates?
20:19
<vagrantc>
depending on your shell, it failed disasterously for me.
20:20
wicksey: you could install ltsp-server from sid, which should generate a proper config
20:20
hopefully it will migrate to wheezy soon
20:23
<wicksey>
interesting - i that what everyone is having to do? Where to ubuntu users run ltsp-pnp from?
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20:36
<||cw>
wicksey: if you can figure out what the paths and filenames are, just edit the file. dnsmasq has pretty good docs, and this piece isn't really ltsp specific, other than not using default paths
20:36
<wicksey>
thanks
20:37
I'll give that a go. I don't need to configure my router at all? It just give out the ip and the client then searches for a tftp server? Is that correct?
20:40
<||cw>
depend on your network layout
20:40
<wicksey>
router with client and server connected to it
20:41
<||cw>
you'd need to get the pxe dhcp option in there somehow
20:41
<wicksey>
Aye. That's what I thought but there's no mention of that anywhere
20:41
Plan B... disable router dhcp and let dnsmasq do it?
20:43
<||cw>
I'm not really sure how the proxydhcp stuff is supposed to work
20:43
<wicksey>
Hehe... nor me
20:43
<vagrantc>
it's supposed to just work :)
20:44
<wicksey>
Very clever. Look slike I've got a sensible conf file from ltsp-config dnsmasq
20:45
<||cw>
yeah, but I don't understand how
20:45
doesn't the client only pay attention to the first dhcp server to respond?
20:45
not aggregate all dhcp responses?
20:45
<wicksey>
My client picks up an ip from the router and says 'Using dhcp server as tftp server. That's bad, surely. They are two separate devices (router and server)
20:46
<||cw>
that's what I would expect.
20:46
<wicksey>
I need it to (i) get an ip from the router and (ii) go off to the netowkr to find a tftpd server. Stuck.
20:47
<vagrantc>
it's essentially implementing part of a "true" pxe server... pxe first checks for responses on the PXE port
20:48
<wicksey>
Well, all the paths in /etc/dnsmasq.d/ltsp-server-dnsmasq.conf look correct with where the files actually are.
20:49
Looks good to me.
20:49
<||cw>
so it's depending on the nic firmware to go "hey no boot option, check for more dhcp servers"?
20:50
<wicksey>
presuambly... not more dhcp servers, but pxe offerings
20:50
<||cw>
wonder how many implementations actually do that
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20:50
<||cw>
pxe isn't an offering. it's a firmware that looks for a tfp address and file name in the dhcp specs, or flashed in the firmware
20:51
there's no such thing as a pxe server.
20:51
<wicksey>
hmmm... tftp server?
20:51
<||cw>
it's a term that cover dhcp options, tftp servers, and code loaded from nic firmware
20:54
<wicksey>
thanks all... I'll resume this another evening. All the best and I appreciate the help.
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22:11
<wicksey>
I've made progress with ltsp-pnp on debian wheezy. Clients find the tftp server and begin to boot. They get stuck at: nfsmount: no path. Do recent versions of ltsp use nfs at all. I thought it had been replaced with nbd?
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22:23
<[conrad]>
Hello everyone. Is it possible to run LTSP in an environment that already has a DHCP server, or would it be best to isolate the LTSP network from the other?
22:26
Nevermind, found my answer here: http://ubuntuforums.org/showthread.php?t=916107
22:28
<||cw>
if you can add attributes to your dhcp server, it's quite easy
22:28
wicksey: yes, ltsp-pnp uses nfs instead of a chroot and nbd
22:29
it makes more sense to use nfs for fat clients
22:29
<wicksey>
well I have progress... just need to tell it where to find the nfs root
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22:34
<||cw>
IIRC, that goes in the lts.conf
22:34
maybe it has a name in there but you don't have enough dns working?
22:35
<wicksey>
Ah yes... could be!
22:37
<[conrad]>
||cw: Do you have any examples you could point me to? Turns out the link refers to DD-WRT, and I'm not using a router that has that installed. My router does not have any DNSMasq functionality to allow me to execute the solution, so it seems I must do something with the dhcp.conf file similar to what's outlined at http://ubuntuforums.org/showpost.php?p=6846620&postcount=3 , though no actual detail was provided in that post.
22:38
<||cw>
[conrad]: wicksey's basically doing the same thing, but using ltsp-pnp
22:39
wicksey: what did you do to get pxe to work?
22:39
<wicksey>
It did just work... I had a network issue
22:39
I'd recommend ubuntu... I'm trying on debian and it's taking some perservance
22:39
I reckon it'd just work on ubuntu
22:40
following: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
22:41
<||cw>
[conrad]: so, follow the proxyDHCP link from that link and it *should* just work
22:41
<[conrad]>
Already started on it, thanks.
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23:02
<ltspuser_21>
hello
23:03
anyone know of a fix for LTSP clients ( ubuntu 32bit ) not powering off ? just sitting in a ubuntu loading screen
23:03
?
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23:39
<[conrad]>
I'm running into a bit of an issue with my configuration. Clients are appearing to be connecting properly, and everything is happening very quickly ( http://pastebin.com/LAfcwRSa ). I enter credentials, and get "No response from server, restarting ...". The pastebin is the only thing output in my log file. The only suspect line I see is "Disconnect request received", but I'm not sure if it's important and/or what's triggering it.
23:56
Actually "file /var/lib/tftpboot/ltsp/i386/lts.conf not found" Why is it even looking for this file?