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


Channel log from 21 December 2013   (all times are UTC)

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02:31
<decuser>
hi, virtualbox pxe client claims "file not found", but ubuntu server 12.04 w/ltsp seems to have the right files in the right place according to dhcp.conf, help?
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13:40
<edwinsantos>
hello good morning
13:40
quick question
13:41
is it possible to have a non graphical ltsp image
13:41
like a very minimal one
13:41
let me explain
13:42
where I live there a lot and I mean lots of lottery small sales bench
13:43
they communicate each other wireless or with a low bandwidth isp provided network
13:44
I wanted to know if its possible to run an LTSP enviroment for all of then with a very small image to load on thin clients?
13:44
does that makes sese?
13:44
sense
13:45
my english is not helping !! hehehhe
13:46
<lee>
a very small image is still going to be at least 50MB at a guess
13:47
<edwinsantos>
is it possible to have a non graphical one ?
13:47
like an small shell with ssh and network
13:48
over LTSP
13:56
<lee>
I have never tried it, and you would have to rip out everything you didn't care about like X, but I don't see why not
13:57
<alkisg>
edwinsantos: after the clients boot, what are the requirements?
13:58
Also, do they have any local storage?
13:58
<edwinsantos>
thanks alkisg
13:58
they run a very small text software
13:58
no local storage need
13:58
everything goes to a server
13:59
they do need the rs-232 port
13:59
<alkisg>
And what's the reason that you don't want X in the image? You can just avoid using it
13:59
<edwinsantos>
so that must me enabled
13:59
<alkisg>
Not all of the image is downloaded to the clients
13:59
So if you put e.g. SCREEN_02=shell in lts.conf, then X isn't transferred over the wire...
13:59
<edwinsantos>
that sounds good
14:00
whats the minimum bandwidth for that?
14:00
<lee>
oh cool, I didn't know that
14:01
<alkisg>
23 MB for kernel + initramfs,
14:02
!nbd-client
14:02
<ltsp>
nbd-client: To try mounting the NBD image from the client initramfs: nbd-client 192.168.67.1 -N /opt/ltsp/i386 /dev/nbd0
14:03
<edwinsantos>
e could you say that last thing a little slower
14:03
after the 23 mb part
14:03* alkisg is having some vbox issues, moment...
14:08
<alkisg>
Total: 51 MB
14:09
With some optimization, I guess you could get that down to e.g. 40...
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14:24
<edwinsantos>
what network you will need to work with it
14:24
spped
14:24
speed
14:29
<alkisg>
Divide the 50 MB with the time you want the clients to boot :)
14:30
<edwinsantos>
got it
14:31
<alkisg>
With 10mbps, it would be acceptable, with 1mbps, it would be slow
14:32
Also you might want to avoid ltsp and just use a custom initramfs with everything in it
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14:41
<edwinsantos>
I want to centralized everything
14:42
dumb termianal in every store
14:42
they use ssh to open a terminal and there sale numbers
14:44
<alkisg>
Sure, both an initramfs and a regular ltsp image can do that
14:46
<edwinsantos>
could you give me soething to read on that?
14:46
<alkisg>
Start with regular ltsp first
14:46
<edwinsantos>
inittramfs
14:46
<alkisg>
It's easier
14:46
<edwinsantos>
yea bandwidth is the problem there
14:46
<alkisg>
Once you have things working, IF it's not fast enough for you, then you can look at optimizing it...
14:47
<edwinsantos>
got it
14:47
<alkisg>
For the initramfs thing, you can also look at tinycorelinux, but afaik ltsp should be much easier for you to start with
14:49
<edwinsantos>
a what ltsp?
14:49
<alkisg>
AFAIK means as far as I know
14:51
<edwinsantos>
osssk
14:51
question
14:51
I am looking at tiny core linux
14:52
is a local installation software
14:52
so is not like ltsp
14:52
<alkisg>
No, you can netboot it easily
14:52
It's just a kernel and initramfs
14:53
<edwinsantos>
a little literature for that you might have?
14:53
<alkisg>
They have documentation in their site...
14:53
same as ltsp :)
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14:57
<edwinsantos>
grEAT STUFF MAN THANKS
14:57
sorry for the caps
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