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[04:59] [Q-FUNK] re
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[05:00] [alkisg] !localdev
[05:00] [ltspbot] alkisg: "localdev" :: (#1) Information regarding using pluggable devices and cdroms with LTSP can be found at http://wiki.ltsp.org/twiki/bin/view/Ltsp/LTSP-42-LocalDev, or (#2) for ubuntu: https://wiki.ubuntu.com/EnableLTSP5LocalDevices, or (#3) for debian-edu: http://wiki.debian.org/DebianEdu/HowTo/LocalDeviceLtspfs, or (#4) http://wiki.ubuntu.com/DebugLocalDev
[05:11] [Q-FUNK] ogra! :)
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[05:29] [Ctek] hi guys, can someone give me some info regarding a "fat client" setup ?
[05:31] [alkisg] https://help.ubuntu.com/community/UbuntuLTSP/FatClients
[05:32] [Ctek] alkisg :) thank , i did parse that :)
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[05:32] [alkisg] Ctek: ah, you mean some specific info/question? Sure, shoot
[05:33] [Ctek] the info i was looking is to diskuss some points that i do not fully understand :)
[05:33] [Ctek] I have setup the server with nfs, tftp, syslinux etc
[05:33] [Ctek] i did a install on a client then copied the / into the tftp server under /ubuntu
[05:34] [Ctek] exported ok, edited the fstab (i hope correctly) but ... still no luck
[05:34] [alkisg] What distro/version is this?
[05:34] [Ctek] kubuntu 9.10
[05:34] [Ctek] but i have tried also ubuntu
[05:34] [Ctek] karmic and hardy
[05:35] [alkisg] There's no upstream fat client support in hardy
[05:35] [Ctek] the problem that i see ... is that when it boots the fstab is not loading correctly the root
[05:35] [alkisg] You don't need to modify fstab
[05:35] [alkisg] You just need to put NFS_HOME=/home in lts.conf
[05:35] [Ctek] although when the console apears in the midddle of the boot proces the root is /
[05:36] [Ctek] :) it dosen't go that far in the boot process
[05:36] [Ctek] it says that the root cannot be mounted or found
[05:36] [alkisg] Do you have stgraber's ppa in your sources? what ltsp version do you have?
[05:37] [alkisg] dpkg -l ltsp-server and sudo chroot /opt/ltsp/i386 dpkg -l ltsp-client
[05:37] [Ctek] i don't use ltsp, i just want to use fatclient (or maybe i'm not explaining corectly wat i want to do)
[05:37] [alkisg] Ctek: fat clients are based on ltsp
[05:37] [Ctek] i think i hould start all over again from the start :) sorry if i did not explain corectly
[05:37] [alkisg] You can't use the ltsp fat client method without installing ltsp...
[05:38] [alkisg] OK, go ahead
[05:38] [Ctek] I did tried LTSP setup and "Fat client setup" but that did not work as expected, if you remember from last week :)
[05:38] [Ctek] so... now i tried the "diskless" option
[05:39] [alkisg] Nope, I don't remember anyone trying fat clients and not getting them working...
[05:39] [Ctek] this is wat i'm tring now ... to boot and run a diskless
[05:40] [Ctek] the discution was about puting LTSP into eBox, you did point me to some neat stuff but i switched the work in diskless direction
[05:41] [Ctek] anyway, between diskles and fat are indeed some major differences but if you can make me understand on how the fstab and other files sould be modified... to make it work :)
[05:41] [alkisg] What do you mean "diskless"? Fat clients *are* discless
[05:41] [alkisg] How are you planning on booting the clients?
[05:42] [Ctek] diskless is to boot the SO from a server without loading the server with compute processess
[05:42] [Ctek] from pxe
[05:42] [alkisg] That's fat client
[05:42] [alkisg] My kid is playing games in a laptop beside me that does not have a hard disk
[05:42] [alkisg] It's not a thin client, it's a fat client served by ltsp
[05:42] [Ctek] in the docs there ware some differences but i also tink that they are related
[05:43] [Ctek] but in your setup the laptop is using the same so as the server ?
[05:43] [Ctek] in diskless client setup you could serve with pxe any so (in theory)
[05:43] [alkisg] What is "so"? Do you mean "os"?
[05:43] [alkisg] The fat client is served with pxe
[05:44] [Ctek] yes :) in my lang it is reverse
[05:45] [alkisg] You can't use the same os. You don't want two servers...
[05:45] [alkisg] You don't want to load nfs server, nbd server, pxe server etc on the client
[05:45] [Ctek] :)
[05:45] [Ctek] correct, you are right
[05:45] [Ctek] that's why i did install kubuntu on the client and then cp to the share folder in server
[05:46] [alkisg] A, so you're trying to invent your own method?
[05:46] [alkisg] That also won't work. :)
[05:46] [Ctek] but the thing is that the "repair console" apears in the middle of the boot process
[05:46] [alkisg] If you invest a few months on your method, you'll come up with a new ltsp implementation
[05:46] [Ctek] i tried to install with debootstrap but that only made things worse ...
[05:47] [alkisg] All that you're trying to do is what ltsp does
[05:47] [Ctek] yes but wit ltsp i did have a load of 75 % on the cpu with 1 client
[05:47] [alkisg] With fat clients you won't have any load at all
[05:48] [Ctek] i indeed have a lousy server but when serving only nfs i have 0.8 % load
[05:48] [alkisg] As everything will be processed by the client.
[05:48] [Ctek] yes that's what i want also :)
[05:48] [alkisg] Do read the wiki page I linked above. I believe it's *exactly* what you're looking for.
[05:49] [Ctek] ok, now sumarising what i have explain until now, do you think that it is a fstab problem? i do not export the / correctly or what can it be ?
[05:49] [alkisg] No, I need it's a "you didn't implement diskless workstations" problem
[05:49] [Ctek] i did modify the / to be rwx to nobody
[05:49] [alkisg] You'll need a few months of coding to get it working
[05:49] [Ctek] :)
[05:50] [Ctek] so... diskless booting is to hard to make it work..... ?
[05:51] [alkisg] LTSP needed 10 years to get diskless booting working
[05:51] [alkisg] That's exactly what ltsp is for
[05:51] [alkisg] So if you want to reinvent it, go ahead, but don't expect it to work by just changing fstab...
[05:52] [Ctek] no, of course i do not want to reinvent the LTSP ... :)
[05:53] [Ctek] but diskless booting was working before LTSP...
[05:53] [alkisg] Yes, but that was before all those services that do not work with a plain nfs root
[05:53] [Ctek] no offence to LTSP users/developers, but i wanted a more simple aproach to the problem:)
[05:54] [alkisg] Live CD booting has casper to deal with exactly those problems - that the services are not designed to work with a read only system
[05:54] [alkisg] Ctek: I tried what you're trying now this summer. I even succeeded in booting the client over nfs
[05:54] [Ctek] hm... you might be right with this, i did not see this ....
[05:55] [alkisg] I named the project "twin clients" because it was using the root of the server, not a separate virtual disk
[05:55] [alkisg] Then I got hit by all those services that had problems
[05:55] [alkisg] After solving the first 5-10 problems, I realized I was reinventing ltsp...
[05:55] [Ctek] :)
[05:55] [alkisg] So I invested in ltsp fat clients instead. And it's working fine, no server cpu load at all.
[05:56] [Ctek] ok, from what you are sayng i deduce that i had a faulty LTSP - fat client setup with taht load on the srv...
[05:56] [alkisg] You didn't have a fat client setup at all
[05:57] [alkisg] If the server has any load, you're using thin clients, not fat
[05:57] [alkisg] For each connected fat client, I only have 1 ssh process, the logon process
[05:57] [alkisg] Nothing else. No processes/cpu load at all.
[05:58] [Ctek] if you do not mind can you summarise the steps here (trust me i did read all the docs, but maybe explained i can see what i did miss)
[05:58] [Ctek] if you do not mind, ofcourse
[05:59] [alkisg] I've written that page exactly for this purpose: https://help.ubuntu.com/community/UbuntuLTSP/FatClients
[06:00] [alkisg] If you follow that one, from the "preparation" and below, you'll have a working fat client setup
[06:00] [alkisg] If at any step you feel that something's not working, ping me
[06:00] [alkisg] I've tried that with ubuntu/edubuntu, but it should work with all *buntu variants
[06:01] [Ctek] okay, i'l start from scratch again :) Anyway, Thank you for the time and pacience you had with me
[06:01] [Ctek] :)
[06:01] [alkisg] np
[06:02] [Ctek] maybe to someone who understand this it can be boring or seem dumb but i did needed to discuss with someone else beside myself :D
[06:02] [Ctek] I'll let you know about the status of the "Experiment" :)
[06:03] [alkisg] If that's a home setup, I'd suggest Lucid
[06:03] [alkisg] If it's a production setup, Karmic...
[06:04] [Ctek] it will be in production finaly so i stik with karmic
[06:04] [alkisg] ok
[06:04] [Ctek] although the server that i have has hardy on it :)
[06:04] [alkisg] That won't do
[06:04] [Ctek] ??
[06:04] [alkisg] You need lsp-server 5.2
[06:04] [Ctek] :((
[06:04] [alkisg] Fat client support was introduced in ltsp 5.2
[06:04] [alkisg] There are backports for karmic, but not for hardy
[06:05] [Ctek] ok, now a bunch of #$#@* just run trough my mind explaining the load i had on the server
[06:05] [alkisg] (so if you tried with hardy, I'm pretty certain you didn't get fat clients working :))
[06:05] [Ctek] exactly ...
[06:05] [Ctek] how stupid can I get not top see this
[06:06] [alkisg] "This page is specific to Ubuntu versions 9.10, 10.04" :)
[06:07] [Ctek] right, right and right again to you, and wrong, wrong and wrong on my....
[06:07] [Ctek] you were right about fat, and i was wrong to miss taht sentince ....
[06:08] [Ctek] ok, now it should explain some of my problems, not to look for excuses, but reading so many docs i think i did not take into consideration taht warning in the begining...
[06:09] [Ctek] The question is .... Can I install LTSP 5.2 over my distro ?
[06:10] [alkisg] You'd need to backport it yourself
[06:10] [Ctek] hm... i already know the answer to this :D
[06:10] [alkisg] It would take experience and some development skills to do that :)
[06:11] [alkisg] So I guess you could try it on Lucid, get it ready, and update your hardy to lucid in a month that will come out?
[06:11] [Ctek] none of that in large quantities on my behalf, beside some tweaks and some lines of code, nothing to fancy...
[06:12] [Ctek] But, i think i can make it work on having two servers ... the problem is that the LTSP clients wil have to authenticate against the Main LDAP server ....
[06:12] [alkisg] No problem there
[06:12] [Ctek] but that's a long way before that happens
[06:13] [Ctek] I mean, i should test before and see that i do reach the point where i have the server and the clients working flawlesly
[06:15] [Ctek] ok, i'll start today and keep you posted if i do reach some working point :)
[06:15] [alkisg] OK
[06:15] [Ctek] thank you for info and support
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[06:16] [alkisg] You're welcome.
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[08:02] [moldy] alkisg: sounds fine for me
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