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


Channel log from 9 April 2015   (all times are UTC)

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05:58* highvoltage splashes
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09:56
<osmoe>
Hi guys. I'm installing LTSP in a small virtual network which already has a router with DHCP. It seems LTSP comes with a DHCP function. How will this affect my routers DHCP? Can I just disable the LTSP DHCP and use the one in the router?
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11:26
<championofcyrodi>
osmoe: yes you can disable dhcp and use a different dhcp server.
11:28
i believe you want the packages, 'sudo apt-get install ltsp-server openssh-server tftpd-hpa nbd-server' and whatever dependencies show up. but consider building from the daily PPA.
11:28
or rather, deploying the built packages from that ppa
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15:35
<callan>
hi guys, i'm running ltsp on ubuntu with lxde. when i insert a USB stick into the server, it mounts for the server, but i get "not authorized" errors on each client from pcmanfm (i think)
15:37
how could i (1) fix the error and let users see the drive, and (2) hide the drive if I wanted to from the users
15:41
the error seems to simply be that users aren't authorized to see into the server's folder in /media
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19:07
<awei>
is there a way to sync the uid/gid from server to fat client?
19:09
<vagrantc>
it does so when using LDM, though imperfectly
19:09
for all the groups the user is a part of.
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19:48
<awei>
vagrantc: thx
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20:22
<simervillefarm>
I have been playing with ltsp for a few days now and I cannot get the ltsp-build-client command to work
20:22
it always fails with a chroot error
20:23
I have tried on several versions of ubuntu (14.04, 14.10 and 13.10) both i386 and amd64 on both real machines and virtualbox machines.
20:24
the actual error is "W: Failure trying to run: chroot /opt/ltsp/amd64 mount -t proc proc /proc"
20:45
<awei>
simervillefarm: so, the ltsp-build-client command itself fails?
20:45
or trying to chroot into the built image fails?
20:46
<simervillefarm>
well it starts then it fails
20:46
hang on I will grab the log
20:46
root@backup:~# ltsp-build-client --mirror file:///media/cdrom/ --dist utopic I: Retrieving Release I: Retrieving Release.gpg I: Checking Release signature I: Valid Release signature (key id C5986B4F1257FFA86632CBA746181433FBB75451) I: Retrieving Packages I: Validating Packages I: Resolving dependencies of required packages... I: Resolving dependencies of base packages... I: Chosen extractor for .deb packages: dpkg-deb W: F
20:46
oh damn that looks like hell. Let me fix that
20:46
root@backup:~# ltsp-build-client --mirror file:///media/cdrom/ --dist utopic
20:47
I: Retrieving Release
20:47
I: Retrieving Release.gpg
20:47
<awei>
and where's the failure error?
20:47
<simervillefarm>
I: Checking Release signature
20:47
<awei>
yup... got all those
20:47
<simervillefarm>
okay I I was just trying to format it a little better so it was more readable :-)
20:47
<awei>
that's fine. i'm following
20:48
i've been flailing around w/ LTSP myself, but i've managed to build a client and boot it
20:48
i don't use the --mirror argument though
20:49
what happens when you just do a ltsp-build-client all by itself?
20:49
<simervillefarm>
I was just trying to use a local iso so I didn't beat the hell out of my bandwidth cap
20:49
<awei>
yea, i hear u
20:49
<simervillefarm>
I live VERY rual and bandwidth is NOT cheap
20:49
<awei>
i see...
20:51
perhaps you could use --copy-package-lists --copy-sourceslist
20:51
<simervillefarm>
so
20:52
ltsp-build-client --mirror file:///media/cdrom --dist utopic --copy-package-lists --copy-sourcelist
20:52
<awei>
or you could try to set up an apt proxy
20:53
hold a sec...
20:54
do a man ltsp-build-client
20:54
maybe you need the --mount-cdrom argument?
20:55
personally i use: ltsp-build-client --mount-package-cache (it still does some downloading stuff, but maybe it saves bandwidth? and eventually i build a client image)
20:56
<simervillefarm>
all the --mount-cdrom argument does is mount your cdrom
20:56
<awei>
i disclaim that i'm a complete noob at the LTSP install as well
20:57
but i was thinking maybe you need to mount cdrom if you're chroot is failing?
20:57
actually, do you have a /opt/ltsp/i386 folder?
20:57
<simervillefarm>
the --mirror file:///media/cdrom works and I can get it to reference the iso file no problem
20:57
<awei>
ok
20:57
so you have stuff in /opt/ltsp/(i386|amd64) ?
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21:06
<simervillefarm>
Sorry something odd happened with my browser
21:07
<awei>
np... do you have a filesystem inside of /opt/ltsp/(i386|amd64)?
21:07
<simervillefarm>
the ltsp-build-client --mirror file:///media/cdrom --dist utopic --copy-package-lists --copy-sourceslist gave me the same error
21:07
yes I do
21:07
root@backup:~# ls -l /opt/ltsp/amd64/ total 16 drwxr-xr-x 2 root root 4096 Apr 9 17:01 debootstrap drwxr-xr-x 2 root root 4096 Oct 23 17:14 dev drwxr-xr-x 3 root root 4096 Apr 9 17:01 etc drwxr-xr-x 4 root root 4096 Apr 9 17:01 var
21:07
<awei>
can you show me the "ls" of that folder?
21:08
oh...hmm..
21:08
looks different than mine
21:08
<simervillefarm>
well it doesn't get very far in the ltsp-build-client
21:09
it looks the same on all the virtualbox machines I have tried as well as this real machine
21:09
what version of ubuntu are you running?
21:09
<awei>
if you can afford it, just try the plain old ltsp-build-chroot
21:09
that's how i got it to work
21:09
after you build the /opt/ltsp/i386, you can back up that folder so you don't have to do it again
21:09
<simervillefarm>
ltsp-build-chroot ?
21:10
<awei>
yea... so, do it once. and then you can back it up and avoid having to re-d/l everything
21:10
<simervillefarm>
hang on I am checking that command
21:10
<awei>
sorry
21:10
ltsp-build-client
21:10
my bad
21:10
<simervillefarm>
oh okay
21:10
yeah I didi do that and I got basically the same thing
21:11
<awei>
really? if you just did a ltsp-build-client w/o any params, you got same error?
21:11
<simervillefarm>
I am thinking about downloading 12.04 server because that is what most of the tutorials are using
21:12
<awei>
i got it working on 14.04.2
21:12
<simervillefarm>
but I don't see how that will make a difference
21:12
hmmmm
21:12
<awei>
i built a VM, installed 14.04.2 server edition
21:12
<simervillefarm>
and you just did a apt-get install ltsp-server-standalone right?
21:12
<awei>
apt-get install ltsp-server
21:13
i used ltsp-server but not standalone. although that shouldn't make a diff
21:13
after that: ltsp-build-client --arch i386
21:13
then it built a root file system in /opt/ltsp/i386
21:13
<simervillefarm>
I just want to run ltsp-server as I have a DHCP server already on my network, but I even tried it with ltsp-server-standalone in a virtual machine and I got the same results
21:13
<awei>
the i could ltsp-chroot -c -p and play around w/ the chroot filesystem
21:14
i think ltsp-server-standalone actually includes the dhcp server whereas ltsp-server does not
21:14
but, i don't think that's what you're running into
21:14
<simervillefarm>
yeah I did the same thing (several times) and no workie
21:14
I am stumped
21:14
<awei>
so, can you fire up a new VM for your server?
21:14
with 14.04.2 image?
21:14
<simervillefarm>
I MUST be missing something in config somewhere but I am baffled. I have taken a fresh install and done
21:14
apt-get update
21:15
apt-get install ltsp-server
21:15
<awei>
ok
21:15
ok
21:15
<simervillefarm>
adn I get the same frigging error
21:15
<awei>
same so far
21:15
whtat's next command after apt-get install ltsp-server?
21:16
<simervillefarm>
yes I can fire up a fresh install of 14.04 server
21:16
<awei>
i'll post my read me for you for what i've done so far:
21:16
<simervillefarm>
I copy the iso to the home directory via scp
21:17
then I mount -o loop ~/ubuntu.iso /media/cdrom
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21:17
<awei>
https://gist.github.com/awei01/091eea242acba6688208
21:17
<simervillefarm>
tsp-build-client --mirror file:///media/cdrom --dist utopic
21:17
<awei>
so, we differ on the mounting. i just d/l the client image from net, but i understand your bandwith issues
21:18
i haven't tried with the --mirror switch
21:18
<simervillefarm>
I have also done the exact same but skipping the scp adn mount
21:18
and executed
21:19
tsp-build-client --dist utopic
21:19
and gotten teh same thing
21:19
do you have an iso of an ubuntu install?
21:20
<awei>
yes, i have iso
21:20
how about removing --dist utopic?
21:20
lemme see if i can try it your way... i'll fire up a VM
21:20
<simervillefarm>
cool thx
21:21
brb the dogs are going crazy, I think something is at the barn
21:24
<awei>
k
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21:40
<simervillefarm>
any progress?
21:40
<awei>
yea, i get the same error that you got
21:40
when trying to do it from cd
21:43
<simervillefarm>
hmmm
21:43
I guess I will have to try it again without the iso image
21:43
<awei>
have you tried w/o the --dist utopic?
21:43
<simervillefarm>
thanks for your efforts man
21:43
<awei>
sure... wish i could be more help
21:44
the steps in the gist worked for me, fyi
21:46
simervillefarm: fyi, ltsp-build-client --dist utopic seems to be working
21:46
(no --mirror)
21:51
simervillefarm: maybe you can copy the sources/packages from your .iso into the /var/cache/apt/archives/ on your server and use the switch to build client image from server cache?
21:58
<simervillefarm>
hmmm that may be something to try
22:00
I am doing a ltsp-build-client --dist utopic --arch i386 right now
22:00
<awei>
are you further along than before?
22:01
<simervillefarm>
it is pulling files now
22:01
oh it just failed
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22:02
<awei>
same chroot error msg?
22:03
<simervillefarm>
nope
22:03
W: Couldn't download package debconf (ver 1.5.53ubuntu1 arch all)
22:03
<awei>
sounds like network issue
22:04
<simervillefarm>
hmmm
22:04
<awei>
is your connection slow? or are you charged by usage?
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22:04
<simervillefarm>
then every package from there on failed
22:05
I have a 100gb a month and I just try not to use where I don't have to
22:05
my link i sonly a 5Mb link
22:05
but I can normally pull at 300kB/sec
22:06
<awei>
i c...
22:07
<simervillefarm>
I am gonna try ltsp-build-client --arch i386
22:08
<awei>
ok, or, i could upload a tar of my /opt/ltsp/i386 somewhere
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22:08
<awei>
its' 562M but i've not tried it before
22:09
<simervillefarm>
well I am pulling it now
22:09
lets see if this works
22:10
<awei>
ok
22:11
<simervillefarm>
hmmm it got past the debconf package
22:12
<awei>
maybe previous archive had bad url?
22:12
<simervillefarm>
possible
22:15
yeah the /opt/ltsp/i386 directory looks very different than before
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22:18
<simervillefarm>
still pulling files
22:18
<awei>
nice.
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22:22
<simervillefarm>
I think I am going to look at the structure of the of mirror(s) that ltsp-build-client is pulling from and figure out why/how the iso is failing
22:25
<awei>
well, it's failing on chroot
22:25
right?
22:27
you might want to look around in /usr/share/ltsp/plugins/ltsp-build-client/Ubuntu for the chroot stuff
22:39
<simervillefarm>
the install is still going BTW
22:45
<awei>
yea, it's long as shit
22:46
tar it when it's done so you don't have to repeat
23:02
<simervillefarm>
just finished
23:03
I am gonna tar it and I think I may even take a iso of this entire machine
23:06
<awei>
not a bad idea
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