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


Channel log from 27 December 2009   (all times are UTC)

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07:43
<moldy>
hi
07:44
how do i configure dnsmasq so a single client uses a different pxe server?
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07:48
<alkisg>
moldy: --dhcp-boot=[net:<network-id>,]<filename>,[<servername>[,<server address>]]
07:48
...and I think you can prefix that with the mac address of the client
07:50
(ie. dhcp-boot=00:20:e0:3b:13:af,pxelinux.0,192.168.1.123)
07:53
<moldy>
alkisg: that does not work
07:53
alkisg: i think i have to somehow use the net:network-id stuff
07:53
prefixing with a mac address is a syntax error
07:53
<alkisg>
Maybe...
07:53
Really? I just tried it and it isn't
07:54
(dnsmasq 2.50)
07:54
<moldy>
hmm
07:55
oh, i must have done something else wrong
07:56
looks good.. thanks :)
07:57
<alkisg>
Does it work? I haven't actually tried it...
07:57
<moldy>
yeah :)
07:57
<alkisg>
Nice, /me notes that down... :)
07:57
<moldy>
now i have an ltsp network of virtual machines. neat for testing stuff :)
07:58
<alkisg>
vbox is really cool for ltsp testing
07:58
It doesn't need any setup at all :)
07:58
<moldy>
yup, in the newer versions
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08:00
<moldy>
i have bridged both the virtual ltsp server and the virtual ltsp client to my host network
08:00
so they have internet access
08:00
works nice so far... the only problem: for some reason, my mouse does not work in the client vm
08:01
any idea why?
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08:01
<alkisg>
ltsp-update-kernels
08:02
<moldy>
ah, thank you
08:02
<alkisg>
(i've seen that when the chroot kernels differ from the tftp kernels :))
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08:48
<dmarkey_>
just trying spice, it is very impressive, full screen youtube going fine
08:49
<alkisg>
Local network? What about CPU usage?
08:51
<dmarkey_>
well b wireless
08:51
havent monitored cpu usage
08:54
<alkisg>
Network bandwidth and CPU usage numbers would be important to see if it's suitable for more than a couple of PCs...
08:54
<dmarkey_>
yes i realise that.
08:55
i just dont have the hard numbers right now
08:55
<alkisg>
Sure, I'm just curious :)
08:55
I've also tried full screen flash in LTSP and it works fine
08:55
But only for a couple of clients :)
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09:24
<moldy>
alkisg: that syntax does not seem to work... dnsmasq applied it to *all* clients
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09:25
<alkisg>
moldy: then you probably need the net syntax
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09:57
<moldy>
alkisg: yep... i will try again later when there are no users here anymore whose systems i break :)
09:57
<alkisg>
Yeah those damn users make administration difficult :D
09:58
<moldy>
i just run firefox/flash as a local app. works great.
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09:59
<moldy>
what is spice?
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10:00* alkisg wants to test running a normal firefox, with the youtube greasemonkey plugin slightly modified so as to run mplayer locally on the client (with xrender)
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10:52
<moldy>
hmm, still no luck with my dhcp config :-/
10:55
<MaRX-Mode>
moldy: no luck ?
10:56
<moldy>
MaRX-Mode: trying to tell dnsmasq to hand out a different pxe server to a single client
10:56
<MaRX-Mode>
*ouch*
10:57
<moldy>
MaRX-Mode: have you tried this?
10:58
<MaRX-Mode>
nope, unfortunately
11:03
<moldy>
ahh, cool. now, it seems to work. no idea what was wrong before, maybe just a typo.
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19:11
<map7>
I had a problem today where the network switch dropped out for 50 seconds which caused all my diskless clients (7 in total) to create large log files
19:12
12GBs worth of log files
19:12
is it possible to limit or turn off the log files?
19:12
I've had a look at logrotate but that is run at night and would not of helped in this situation.
19:12
<Lumiere>
map7: make a ramfs for the logs?
19:15
<map7>
so if I create a ramfs on the client of say 20MB will the log files stop at 20MB?
19:15
Should the command be something like: # mount -t ramfs -o size=20m ramfs /var/log
19:16
should I put this into the client's build image /etc/fstab file?
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19:17
<sbalneav>
Evening all
19:18
<Lumiere>
sbalneav would be better at this then I :)
19:18
I haven't used LTSP heavily since the 3.x days
19:19
<sbalneav>
map7: How much hard drive space do you have?
19:21
<map7>
heaps of space
19:21
2TB free on the server
19:21
These log files would of just kept on going though
19:21
<sbalneav>
So why worry about re-configuring your entire logging system to accomodate a freak occurance?
19:22
<map7>
I had 12GB of log files produced in 1 minute till that partition was full
19:22
<sbalneav>
So, problem was solved, partition filled, logging stopped :)
19:22
<map7>
as I don't want to drive all the way out to my bosses farm when this freak occurrence happens again
19:23
<sbalneav>
man syslog.conf
19:23
modify your log levels.
19:24
<map7>
cool thanks I start checking that out.
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