IRC chat logs for #ltsp on irc.libera.chat (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
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| 13:40 | quick question
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| 13:41 | is it possible to have a non graphical ltsp image
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| 13:41 | like a very minimal one
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| 13:41 | let me explain
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| 13:42 | where I live there a lot and I mean lots of lottery small sales bench
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| 13:43 | they communicate each other wireless or with a low bandwidth isp provided network
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| 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?
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| 13:44 | does that makes sese?
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| 13:44 | sense
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| 13:45 | my english is not helping !! hehehhe
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| 13:46 | <lee> a very small image is still going to be at least 50MB at a guess
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| 13:47 | <edwinsantos> is it possible to have a non graphical one ?
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| 13:47 | like an small shell with ssh and network
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| 13:48 | over LTSP
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| 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
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| 13:57 | <alkisg> edwinsantos: after the clients boot, what are the requirements?
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| 13:58 | Also, do they have any local storage?
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| 13:58 | <edwinsantos> thanks alkisg
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| 13:58 | they run a very small text software
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| 13:58 | no local storage need
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| 13:58 | everything goes to a server
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| 13:59 | they do need the rs-232 port
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| 13:59 | <alkisg> And what's the reason that you don't want X in the image? You can just avoid using it
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| 13:59 | <edwinsantos> so that must me enabled
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| 13:59 | <alkisg> Not all of the image is downloaded to the clients
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| 13:59 | So if you put e.g. SCREEN_02=shell in lts.conf, then X isn't transferred over the wire...
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| 13:59 | <edwinsantos> that sounds good
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| 14:00 | whats the minimum bandwidth for that?
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| 14:00 | <lee> oh cool, I didn't know that
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| 14:01 | <alkisg> 23 MB for kernel + initramfs,
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| 14:02 | !nbd-client
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| 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
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| 14:03 | <edwinsantos> e could you say that last thing a little slower
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| 14:03 | after the 23 mb part
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| 14:03 | * alkisg is having some vbox issues, moment... | |
| 14:08 | <alkisg> Total: 51 MB
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| 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
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| 14:24 | spped
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| 14:24 | speed
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| 14:29 | <alkisg> Divide the 50 MB with the time you want the clients to boot :)
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| 14:30 | <edwinsantos> got it
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| 14:31 | <alkisg> With 10mbps, it would be acceptable, with 1mbps, it would be slow
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| 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
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| 14:42 | dumb termianal in every store
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| 14:42 | they use ssh to open a terminal and there sale numbers
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| 14:44 | <alkisg> Sure, both an initramfs and a regular ltsp image can do that
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| 14:46 | <edwinsantos> could you give me soething to read on that?
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| 14:46 | <alkisg> Start with regular ltsp first
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| 14:46 | <edwinsantos> inittramfs
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| 14:46 | <alkisg> It's easier
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| 14:46 | <edwinsantos> yea bandwidth is the problem there
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| 14:46 | <alkisg> Once you have things working, IF it's not fast enough for you, then you can look at optimizing it...
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| 14:47 | <edwinsantos> got it
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| 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
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| 14:49 | <edwinsantos> a what ltsp?
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| 14:49 | <alkisg> AFAIK means as far as I know
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| 14:51 | <edwinsantos> osssk
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| 14:51 | question
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| 14:51 | I am looking at tiny core linux
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| 14:52 | is a local installation software
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| 14:52 | so is not like ltsp
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| 14:52 | <alkisg> No, you can netboot it easily
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| 14:52 | It's just a kernel and initramfs
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| 14:53 | <edwinsantos> a little literature for that you might have?
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| 14:53 | <alkisg> They have documentation in their site...
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| 14:53 | same as ltsp :)
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| 14:57 | <edwinsantos> grEAT STUFF MAN THANKS
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| 14:57 | sorry for the caps
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