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


Channel log from 16 July 2014   (all times are UTC)

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10:55
<pbrown>
Hey all - been a while since I booted any ltsp clients on my Ubuntu 12.04 ltsp-pnp install, and now I seem to have some odd problems -- I get a blinking cursor, some timeout errors, an nbd0 error, etc... Tips??
10:55pbrown is now known as FrozenZia
11:00
<FrozenZia>
I seem to get exactly the same errors that John Hupp reports here: https://lists.ubuntu.com/archives/ubuntu-users/2013-November/273262.html
11:02
BTW it's been a while also since I've tried to rebuild my ltsp image.
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19:56
<gbaman>
hey vagrantc, a weird one, got an LTSP server that is reporting "no response from server, restarting" in LDM, yet can ssh the server from the shell on the client..
20:00
ignore that, updated ssh keys :)
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21:00
<gbaman>
vagrantc: I want to mount a samba share on boot, normally would just put it in fstab, but assuming LTSP ignores /etc/fstab?
21:07
<vagrantc>
gbaman: man lts.conf
21:07
gbaman: look for FSTAB
21:12
<gbaman>
vagrantc: "No manual entry for lts.conf" :D Grabbing ltsp-docs
21:12
ahh
21:12
<vagrantc>
gbaman: good!
21:15
<gbaman>
vagrantc: is there a way to get the server IP?
21:15
at that stage?
21:16
<vagrantc>
is it the same as your LTSP server?
21:16
<gbaman>
yes
21:16
<vagrantc>
then, for better or worse, you can use "server"
21:16
<gbaman>
sorry, that is what I meant, get the LTSP server IP
21:17
assuming then would be FSTAB_0="//$server/School-Share ?
21:17
<vagrantc>
no variable name, just "server"
21:17
presuming your FSTAB_0="//server/School-Share"
21:17
but that doesn't look like a valid fstab entry
21:17
<gbaman>
well, had more to it
21:18
FSTAB_0="//server/School-Share /media/school-share cifs guest,uid=1000,iocharset=utf8 0 0
21:18
whoops
21:18
<vagrantc>
in theory ... it hard-codes the ip address for your ltsp server in /etc/hosts as "server".
21:18
<gbaman>
it apparently didn't like that and kernel panicked
21:18
found issue
21:22
worked, awesome
21:27
vagrantc: where would be a proper place to put a public folder like that? Is guest read only. Assuming not in /home/admin/public
21:32
<vagrantc>
could drop it in /srv
21:33
<gbaman>
hmm
21:34
I am trying to figure out the best way to do this
21:34
a teacher shared folder
21:34
teachers can add, students cant
21:34
both can read
21:34
with as little user input as possible
21:35
<vagrantc>
there's maybe 40 years of best practices on the subject, so surely you'll find something :)
21:36
<SpComb>
iirc a cifs mount like that won't actually implement any unix access permissions over to the server
21:36
you'd need a separate cifs mount per login account
21:37
<gbaman>
am using the guest account for the students SpComb
21:37* vagrantc vaugely recalls a "guest" account that was read-only and a separate account for all writeable users
21:38
<gbaman>
haven't looked into the teacher write access bit yet :)
21:38
kind of assumed it wouldn't be too difficult
21:41
that normally comes back and bites me though
21:43
<SpComb>
depends on how fancy you want to make it
21:44
mut afaict mount.cifs will connect to the server as the user given at mount time
21:44
<gbaman>
it has to be very simple for the end user
21:44
<SpComb>
the local user accessing the cifs mount plays no role from the view of the cifs server
21:45
<gbaman>
which is fine for the students, not so fine for the teachers
21:46
<SpComb>
you could have two separate mounts or somesuch hackery
21:46
or use the file manager gui mounts
21:46
what cifs server?
21:46
<gbaman>
whatever apt-get install samba installs :)
21:49
<SpComb>
samba on the ltsp server?
21:49
<gbaman>
yes
21:49
<SpComb>
use the sshfs magic
21:49
if you have fat clients
21:49
<gbaman>
was thinking that
21:49
but would be nice to have access from other machines on the network
21:50
seeing as windows and mac machines quite happily pick it up
21:50
<SpComb>
well, they need to login separately with the ltsp server login account into samba then
21:51
<gbaman>
can't you sync Linux and samba accounts + passwords?
21:52
<vagrantc>
it can be done. some have been driven mad trying.
21:52
some just get lucky. others know what they're doing.
21:52
<gbaman>
have already been driving mad quite a few times writing this software :D
21:54
<vagrantc>
so you should be a quick study, then :)
21:54
<gbaman>
haha
21:56
am going to sleep on it, was up at stupid o'clock this morning out doing sunrise photography. Will take another stab at it tomorrow
21:56
thanks vagrantc and SpComb for the help
21:56
oh and vagrantc, got yourself a B+ yet?
21:57
<vagrantc>
no, mainly focusing on armv7 hardware
21:57
<gbaman>
is nice with its switching power supply and 4 usb ports
21:58
<vagrantc>
yeah, the PSU seems like the nicest feature, and 4 usb ain't bad either
21:58
<gbaman>
finally had to update all my stuff to the 3.12 kernel from 3.10
21:58
<vagrantc>
the only one i've tested with so far is the older model B with 256MB of ram.
21:59
<gbaman>
seeing as the old 3.10 kernels didn't have support for its new USB chip
21:59
a lot has changed since then vagrantc :)
21:59
<vagrantc>
it's still armv6
21:59
<gbaman>
should go pick yourself a new b+ up, only $35!
21:59
uck shs :)
21:59* vagrantc accepts donations
22:00
<gbaman>
will be staying that way apparently till 2017
22:00
by sticking with the armv6, can maintain the same software stack
22:00
unlike everyone else there who happily just hops to the next version all the time, breaking old software
22:00* vagrantc boos and hisses
22:01
<gbaman>
is true though
22:01
<vagrantc>
armv7 has been mainstream long before the rpi existed
22:01
<gbaman>
perhaps
22:01
<vagrantc>
so it's hardly jumping to the new versions all the time
22:01
armv8 on the other hand...
22:02
<gbaman>
the pi processor I will admit was old before the pi was even released :)
22:02
<vagrantc>
and armv7 is backwards compatible ... they could keep using the same software stack.
22:02
<gbaman>
does leave the platform split though
22:02
<vagrantc>
but anyways... there are plenty of other nice boards i'd rather focus on
22:03
<gbaman>
:)
22:03* vagrantc ought to write a post about all the recent tinkerings
22:03* gbaman agrees he should
22:05
<gbaman>
I also have way too many blog posts I really should have written..
22:06
<vagrantc>
gbaman: watch out for that sunrise, it'll sneak up on you!
22:07
<gbaman>
but Raspi-LTSP does now have a website :) http://gbaman.github.io/RaspberryPi-LTSP/
22:07
already done my sunrise photos, was cloudy sadly
22:07
didn't come out too bad though https://plus.google.com/photos/114170134574629840394/albums/6036598837772492273/6036728381671221250?pid=6036728381671221250&oid=114170134574629840394
22:08
it was taken with a Raspberry Pi camera module
22:08
on a robot
22:08
for a competition
22:08
<vagrantc>
so you could've slept in after all!
22:09
<gbaman>
well no, can't tomorrow morning, got an IT suite booked down at a local enterprise centre for testing Raspi-LTSP :)
22:09
got it for the day, a room of DVI-D monitors and they have DVI-HDMI cables :)
22:09
so getting a pile of pis together and stress testing it
22:10
but yeah, did the photos this morning, not tomorrow morning
22:10
is 112 photographs! normally is only about 60 but this is 2 sets overlaid to fill in some weird blanks
22:11
so given I was up at 3:30am to head out and do that, should really hit the sack
22:12
(is impossible to get it without stacks of tourists any other time of the day)
22:12
thanks for the help, I will be back am sure!
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