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


Channel log from 23 October 2014   (all times are UTC)

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04:02
<work_alkisg>
Leolo_3: when that code was written, systemd had not taken over syslog and logger was working fine, just writing to /var/log/syslog...
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04:03
<alkisg>
(at least I think so)
04:03
If logger nowadays depends on systemd running, yup we should fix it, file a bug report and if you have patches, send them there
04:05
Leolo_3: about swap over nfs/aoe/whatever, sure, if there's need for that, patches would be welcome, but it would be nice to document somewhere, e.g. in the wiki, the pros/cons...
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07:46
<wouter>
Leolo_3: http://dl.fedoraproject.org/pub/epel/6/i386/repoview/nbd.html could help?
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18:31
<Leolo_3>
wouter - I don't want nbd
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18:36
<Leolo_3>
and now I get to my real problem
18:36
if I let xorg guess my driver, it puts me in (I think) 8 bit mode
18:37
so the greys don't show up and red comes out blue
18:37
I can log in, and text only half appears on the screen
18:37
however, if I then log out, everything works perfectly
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19:44
<Leolo_3>
using X_SMART_COLOR_DEPTH doesn't help
19:44
using X_COLOR_DEPTH doesn't help
19:44
using XSERVER=vesa fails with "Driver vesa.so already loaded"
19:45
moving the i810 driver out of the way (aka forcing vesa driver the bad way) does work
19:49
[ 110.393] (EE) The PCI device has a kernel module claiming it,
19:49
[ 110.396] (EE) this driver cannot operate until it has been unloaded.
19:50
^^ acutally
19:50
hmmm
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20:08
<sbalneav>
Good afternoon all
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20:27
<stgraber>
sbalneav: you guys made it to SW harbor already?
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20:31
<Leolo_3>
ok, so this thinclient stalls at when udev starts if nomodeset is added
20:32
<sbalneav>
stgraber: Yep
20:32
Sitting here in the conference room.
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21:51
<gbaman>
vagrantc: got a weird one. The Pis are complaining they have no storage left. I am using NBD. df shows the rootfs being 60mb with 4kb left
21:51
there is plenty of room left on the server
21:52
this is when doing an apt-get
21:52
although I am well aware it won't persist across reboots, that is fine. One of the tasks requires students to install something from apt
22:01
<vagrantc>
i think the default is to have free space equal to half of ram.
22:01
so it's not surprising if you're installing applications that you might run out of ram
22:02
you can stretch it out using NBD swap... but it'll take a performance hit, of course
22:03
if you really want to get experimental, you could try NBD cow files on the server
22:03
i haven't tried that in years, but apparently wouter made it work recently...
22:03
or at least fixed the upstream code
22:04* vagrantc needs to implement ltsp-pnp from debian-installer
22:04
<gbaman>
:)
22:04
I am testing this on one of the older 256mb ram Pis :)
22:04
<vagrantc>
how hard can it be...
22:05
<gbaman>
haha
22:07
vagrantc: opinion on this btw? http://pi-ltsp.net/
22:10
<vagrantc>
gbaman: it looks nice and step by step
22:11
gbaman: although running random code downloaded over http with sudo is only mildly terrifying :P
22:11
<gbaman>
:)
22:11
<vagrantc>
that's the kind of habits that lead to botnets.
22:11
<gbaman>
given that most of the teachers using it have no idea what sudo even is...
22:12
<vagrantc>
gbaman: why don't you package it and put it in a signed apt repository
22:12
<gbaman>
because that requires a whole pile of extra work
22:12
<vagrantc>
gbaman: that makes it even worse :P
22:12
<gbaman>
:)
22:13
unless I put up my own repo, means updates can basically only come out every 6 months
22:13
<vagrantc>
teaching people how to install botnets inflicts a lot of work on the whole world :P
22:13
<gbaman>
I could just as easily create my own repo, then stick a botnet file in there?
22:13
<vagrantc>
yes, you could.
22:14
this is one of those issues i don't let go uncommented, though. do as you wish.
22:14
<gbaman>
Well, the big 1.0.0 release is coming up in the next month
22:15
(aka moving from alpha to beta)
22:15
so might be finally time to do it
22:15
and the Pi foundation will be doing a whole pile of promoting for it
22:16
so it is now on a feature freeze for a bit while I go work out all the bugs
22:16
and finish the documentation
22:18
the documentation is all written in markdown and stored here https://github.com/RaspberryPi-LTSP/RaspberryPi-LTSP-Documentation
22:18
then a script auto builds the site
22:18
anything you can see missing from the documentation?
22:21
<vagrantc>
gbaman: yeah, we could use some work on upstream ltsp documentation :)
22:21
cool with markdown
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22:24
<gbaman>
haha
22:24
I think I have enough to be working on :)
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22:39
<gbaman>
vagrantc: shouldn't sudo passwd username work on the clients?
22:39
to let them change their passwords?
22:39
<vagrantc>
temporarily...
22:39
but not persistant
22:39
<gbaman>
well, I have gathered that now..
22:40
it is something that is needed
22:40
a way for them to change their passwords
22:40
<vagrantc>
ssh server passwd
22:40
<gbaman>
grumble grumble
22:40
:)
22:40
how do I get server IP?
22:41
<vagrantc>
it normally sets up a convenience alias, so literally "ssh server passwd" should work.
22:42
but it depends on where you're asking from
22:42
if you really need the ip
22:42
<gbaman>
genius :)
22:43
<vagrantc>
well, the whole "server" alias actually is kind of a mess... clever hack, sure. genius, not so sure.
22:43
<gbaman>
well it works
22:43
<vagrantc>
we've implemented lots of hacks to not set up DNS and LDAP.
22:44
and environments which need proper DNS and/or authentication, well ... we've made it hard on them.
22:44
but someday... we'll fix all that.
22:46
<gbaman>
now... how to script it..
22:47
<vagrantc>
this is with fat clients?
22:47
just call the GUI password changer with ltsp-remoteapp
22:48
<gbaman>
grumble grumble, can't pipe in with ssh
22:48
<vagrantc>
why not?
22:48
<gbaman>
"ssh uses direct TTY access to make sure that the password is indeed issued by an interactive keyboard user."
22:48
<vagrantc>
cat foo | ssh server passwd
22:48
odd.
22:48
gbaman: what exactly are you trying to do?
22:49
<gbaman>
I have a zenity GUI sitting on the pis
22:49
students enter current and new password (new one twice)
22:49
<vagrantc>
change a password for an individual user, or a set of users? from the fat client itself? from the server?
22:49
ah.
22:49
<gbaman>
this is the students changing their own passwords
22:49
from the pis
22:49
there needs to be a way to do it
22:49
as I will soon be adding the batch importer
22:50
<vagrantc>
ssh server gpasswd ?
22:50
<gbaman>
which just sets the passwords to a default one
22:50
ahh, there is a bash command just for this :)
22:50
sshpass
22:50
(from apt)
22:54
<vagrantc>
so "ssh server passwd" works for me ... with one terrible caveat.
22:54
it displays the password as you type it
22:56
<gbaman>
well yes
22:57
wait, no it does not?
22:57
I though want to pipe the password in there though
22:59
seem to have got it working..
23:00
<vagrantc>
why do you want to pipe the password?
23:01
i still don't understand why you don't just run a GUI
23:01
<gbaman>
I am?
23:01
From the client though
23:01
you mean with remoteapps?
23:01
<vagrantc>
yes...
23:01
sure, remoteapps would work
23:02
<gbaman>
suggestions on a lightweight gui for it then?
23:04
and is there any documentation for remoteapps?
23:04
<vagrantc>
start off with whatever you'd "normally" use on the server.
23:04
and just call that via remoteapps
23:05
<gbaman>
any lts.conf changes needed?
23:06
<vagrantc>
i think remoteapps is disabled by default
23:07
there used to be something like gtkpasswd or soemthing, but i can't find anything now
23:07
<gbaman>
I could just put my light zenity script on the server...
23:10
should not be low priority! https://bugs.launchpad.net/ltsp/+bug/1081483 :)
23:10
looking specifically at you vagrantc
23:10
<vagrantc>
go ahead and write it
23:11
<gbaman>
how did I know you would say that
23:11
I already have at least another 5-10 pages for Raspi-LTSP documentation to finish
23:14
wow..
23:14
it actually worked...
23:16
well, remoteapps actually works..
23:17
weirdly not working for launching Raspi-LTSP script
23:22
I was able to launch gnome control centre..
23:22
it certainly looks a bit ugly over remoteapps