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


Channel log from 17 February 2013   (all times are UTC)

00:42
<jammcq>
vagrantc: ping
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01:07
<vagrantc>
jammcq: high five
01:07
<jammcq>
hey
01:07
awesome success today with kiosk mode
01:08
<vagrantc>
ah, good.
01:08
<jammcq>
I gave a demo to my customer and they are quite impressed
01:08
as am I
01:08
remember last night, I was having the permission problem running X ?
01:08
odd thing. /usr/bin/X is setuid, but /usr/bin/Xorg isn't
01:08Parker955_Away is now known as Parker955
01:09
<jammcq>
so I'm wondering if you are running /usr/bin/X and I'm running /usr/bin/Xorg
01:09
dunno why i'd be running something different from you
01:09
anyway, I added the setuid bit to Xorg and the perms problem went away
01:09
BUT... a new problem appeared. Xorg doesn't like using a -config with a file that has a leading '/'
01:10
it thinks that's a security problem. So, I had to modify ${CHROOT}/usr/share/ltsp/screen-session.d/XS00-setvars to remove the leading '/' on the config file
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01:28
<vagrantc>
jammcq: oh, that's interesting.
01:28
<jammcq>
yeah, dunno why you didn't have the same problem
01:29
<vagrantc>
well, i didn't use X_CONF or any features that require it ... for the latter part of your problem.
01:29
<jammcq>
neither did I
01:29
<vagrantc>
it shouldn't need a config file at all...
01:30
<jammcq>
I didn't specify anything in the lts.conf file, other than SCREEN_07=kiosk
01:30
and KIOSK_EXE, KIOSK_WM
01:31
could be 2 issues: 1) didn't really need a config file. 2) If it does use a config file, needs to NOT have a leading '/'
01:31
but I found another oddity.
01:31
my chroot is called /opt/ltsp/kiosk_amd64
01:31
but when the client boots, it tries to grab /var/lib/tftpboot/i386/lts.conf
01:32
I was expecting it to look in kiosk_amd64 for the lts.conf file
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01:33
<jammcq>
but it seems like it would make more sense to look for /var/lib/tftpboot/lts.conf, without the arch in the path
01:33
<vagrantc>
ah, root can specify the leading / ... but in kiosk mode you're not running as root...
01:33
<jammcq>
ah, right
01:34
turns out, the cwd is /, so removing the leading '/' from the path works
01:34
<ball>
Does ltsp have to be netbooted?
01:34
...or could I stick it on a flash drive?
01:35
<jammcq>
I don't think it supports flash drive booting, although I'd like it if it did
01:35
<Enslaver>
Gpxe support local flash booting?
01:36
<vagrantc>
it's actually possible to boot off of a flash drive, but that requires some tinkering.
01:36
not really hard or anything
01:37
<ball>
Hmm... I'll have a poke around then.
01:37
<jammcq>
well... theres two things. 1) the kernel 2) the root fs
01:37
<vagrantc>
a more important question is why would you want to? :)
01:37
not that there aren't valid use-cases...
01:38
<jammcq>
in my case, as a kiosk, I really have no need for a server at all
01:38
<ball>
Well, aside from the place where I want to use it the right way, I'm also thinking of using it at another place, where it'd take some shoehorning to get it into the network.
01:38
<Enslaver>
Technically don't we boot off flash anyway? I mean initram is just non persistent memor
01:39
<vagrantc>
flash/usb/hard drive/whatever
01:39
all the same as far as LTSP is concerned.
01:39
<jammcq>
Enslaver: yeah, but turn the machine on and have it find the kernel and the rootfs
01:39
<Enslaver>
Just write init rd to dd
01:39
<jammcq>
it really just ends up being a little tiny distro
01:40
but you need a bootloader
01:40
so what do you use instead of the pxelinux.0? grub?
01:41
<Enslaver>
Tiny core Linux :)
01:41
<jammcq>
do you format the flash disk as 2 filesystems? one to hold grub and the kernel, and the other to hold the root fs?
01:41
so while it's not impossible, there's a bit of work to do, to make it all happen
01:41
<Enslaver>
I would
01:42
why not this, install a very small linux distro on a flash drive, nfs/nbd mount remote server partition, union that partition with a cow overlay and pivot
01:43
thats basically all my overlay does in initram
01:43
<jammcq>
but then you are back to using nfs/nbd
01:43
from a server
01:43
where I think flash makes sense is to do a wireless workstation
01:44
you can't PXE boot via wireless
01:44
<Enslaver>
all we can do until libpam_ssh is ready
01:44
<jammcq>
huh?
01:44
dunno what libpam_ssh has to do with it
01:44
<Enslaver>
due to the lack of a ldm port
01:44
well, not lack of, ease of portablity
01:45
<jammcq>
ldm comes way after the kernel+initramfs+rootfs stuff
01:45
<Enslaver>
You lack a auth protocol, the small linux can do everything except that
01:45
I think thats where berryterminal is struggling atm
01:46
although ive never played much with wireless pxe, is there something out that works securely?
01:46
<jammcq>
there is no wireless pxe
01:47
at the pxe level, you don't have enough of an operation system to do the wireless stuff
01:47
s/operation/operating/
01:48
<Enslaver>
probably etherboot tho?
01:48
<jammcq>
no
01:48
etherboot/pxe doesn't matter
01:48
you don't have enough OS to do the wireless stuff
01:49
<Enslaver>
even if they had hw support?
01:49
<jammcq>
hw support?
01:49
etherboot is tiny, like less than 32k
01:50
there's certainly no room in there for doing anything with a wireless card
01:50
wired is easy. a driver for wired card is very little code
01:50
<vagrantc>
Enslaver: ldm works on arm just fine.
01:51
there's no portability issue there...
01:52
<Enslaver>
Can i have my pi release plz :)
01:52
i'll be your friend
01:52
on facebook
01:52
<jammcq>
hmm, sounds creepy
01:52
<Enslaver>
(creepy would be to let him know i already am)
01:53* Enslaver winks at vagrantc.
01:53
<jammcq>
vagrantc on facebook... that'd be funny
01:53
<vagrantc>
Enslaver: pi release?
01:54
<Enslaver>
si si
01:54
<vagrantc>
como?
01:54
<Enslaver>
el pi
01:55
poor fever
01:55
<vagrantc>
no entiendo, amigo.
01:55
<Enslaver>
que?
01:55
tu es bueno ;)
01:55
<vagrantc>
no conoce "pi release"
01:55
<Enslaver>
love u long time?
01:55
<vagrantc>
no conozco
01:56* vagrantc yawns
01:56
<Enslaver>
Las tango el gato los pantalones
01:56
vivia pi!
01:57* Enslaver dances
01:57
<vagrantc>
quieres un HOWTO para el Raspberry PI?
01:58
<Enslaver>
http://www.berryterminal.com/doku.php/berryboot
02:00
<vagrantc>
berryboot is slightly interesting.
02:00
but i prefer to build it out of Debian's armhf port...
02:01
although the bootloader is something i'd like to hack up
02:01
<Enslaver>
more like a raspian with that bootloader?
02:01
I thought berryterm was based on deb?
02:03
<vagrantc>
doesn't look like it to me.
02:03
looks more like openembedded or something
02:03
ah right, not debian's armhf port, raspbian ...
02:04
out of all people, i shouldn't fail to make that distinction. hah!
02:05
<Enslaver>
Don't worry vagrant, there is a fedora port for the pi!
02:05
<vagrantc>
i don't need to worry about fedora, it's true :)
02:06
<warren>
I'm glad I'm not the lone crazy one here anymore.
02:06
<Enslaver>
debatable
02:06
<vagrantc>
sing us a song, warren!
02:07
or not...
02:07
<Enslaver>
There once was a man from nantucket, he invented fedora so he could
02:07
lol
02:07
howdy warren
02:07
vangrant's drunk
02:07* Enslaver points
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02:08
<vagrantc>
finally, sanity is restored./
02:09
<Enslaver>
you had it backed up?
02:09
<vagrantc>
i hold my own.
02:09
<Enslaver>
foshiz
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02:36
<Enslaver>
There some open source software that will auto-connect to a any open-wifi it sees?
02:36
like what autoap does for dd-wrt
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03:18
<baptiste>
scripting something with wicd-cli, maybe?
03:19
I've never used it but it may help
03:39
<Enslaver>
Never heard of that one, trying a script with network manager now
03:44
<baptiste>
wicd looks less complex
03:47
at least, the GUI veersion is smaller than network manager, if you want something a bit lighter and easy but with less features
03:48
it has wicd-curses client to connect from a terminal/ssh session the easy way
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05:50
<ltspuser_86>
Hello, I have a office with about 10 PC's
05:51
usually we use PC for basic office software and Internet,
05:51
would it be possible to use my current pc as thin client
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06:02
<alkisg>
ltspuser_86: sure
06:03
How much RAM and what CPU?
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22:19
<Enslaver>
who was here when i was talking about that 'w' issue, about how people don't show up when you hit w?
22:20
I think i found out why
22:21
it looks at the first part of the reverse IP name (ltsp) from dns and combines them, so ltsp01-09 get combined
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