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


Channel log from 19 January 2018   (all times are UTC)

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13:23
<NuMG>
Hi there. I am trying to install a LTSP server on Ubuntu 16.04 with AMD64 ThinClient images. After following a couples of tutorials, I encounter this error when running for the first time "ltsp-build-client" : No LTSP chroots found, please run ltsp-build-client error: LTSP client installation ended abnormally
13:49
<alkisg>
NuMG: the best tutorial is this one:
13:49
!ltsp-manager
13:49
<ltsp>
ltsp-manager: LTSP Manager is a GUI tool that makes LTSP maintenance easy. It's the recommended way to install LTSP in common setups. More info: http://wiki.ltsp.org/wiki/Ltsp-manager
13:50
<alkisg>
And, I think you mean that you ran "ltsp-update-image" and it found not chroots, and it told you to run "ltsp-build-client"...
14:05
<NuMG>
I didn't want to install a GUI a server, but if it's the only solution, I'll have a look
14:05
And no, it's ltsp-build-client which generates this error asking to run lstp-build-client
14:06
Curiously, I can still boot the image on my ThinClient
14:06
<alkisg>
NuMG: thin clients require a gui on the server
14:06
Because the applications themselves run on the server
14:06
The server may be headless if you want, but it does require a desktop ennvironment, xorg etc
14:07
NuMG: also, it's best to use diskless ltsp fat clients, not thin clients
14:07
!fat
14:07
<ltsp>
I do not know about 'fat', but I do know about these similar topics: 'fatclient-printers', 'epoptes-fat-clients', 'fat-internal-disks', 'fat-passwd', 'fat-sudo', 'fatclients'
14:07
<alkisg>
!fatclients
14:07
<ltsp>
fatclients: Nowadays LTSP supports thin and fat clients. They are both diskless and netbooted from the same LTSP chroot, but while thin clients run the session on the server and transfer the screen, fat clients run the session locally with their own CPU/RAM, thus performing amazingly better. See also !ltsp-pnp and https://help.ubuntu.com/community/UbuntuLTSP/FatClients
14:08
<NuMG>
OK, I see
14:09
Also, I have a question about Fat and Thin. If I am using a FAT client, I understood that the RAM and HardDisk of the client is used. But what about the CPU ?
14:09
<alkisg>
NuMG: a fat client uses its ram and cpu. It doesn't have a hard disk.
14:10
<NuMG>
Oh OK.
14:10
And is that possible to configure a client to use the CPU of the server and his own RAM ?
14:10
<alkisg>
Thins and fats are diskless, and netbooted from the same server image
14:10
No, cpu can't run with remote ram
14:10
<NuMG>
OK
14:11
<alkisg>
Whatever CPU is used, that RAM is used as well (local/remote)
14:11
<NuMG>
I am asking that because we currently have some ThinClient (HP t520) which can not run some of our apps because of their CPU
14:12
This is why, I am trying to deploy a LTSP Server
14:12
<alkisg>
Those have this: https://www.cpubenchmark.net/cpu.php?cpu=AMD+GX-212JC+SOC+&id=2288
14:12
It's good enough to run as a fat client
14:13
<NuMG>
Yes...
14:13
<alkisg>
(using ltsp)
14:13
But if you want it to become a thin client instead, it's just one line in lts.conf: LTSP_FATCLIENT=False
14:13
So, you can follow the ltsp-manager wiki page, and with just 1 line, test both cases (thin/fat)
14:13
And see which one is better for you
14:14
<NuMG>
Yes, but for some of our webapps, Firefox need a really good CPU. (And we can not modify theses apps...)
14:15
<alkisg>
You can use "remoteapps" if you want a mixed setup
14:15
I.e. have firefox run remotely, on the server, while the rest of the session runs locally
14:15
<NuMG>
Windows Remote Apps ?
14:15
<alkisg>
No, ltsp remote apps
14:15
<NuMG>
That exists ?
14:15
<alkisg>
It's again just 1 line in lts.conf
14:15
<NuMG>
Wow, awesome. I'll have a look !
14:15
<alkisg>
Cool, bb
14:17
<NuMG>
Seems really great !
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15:28
<NuMG>
Great, my ThinClient boot up :)
15:28
Awesome
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16:33
<DonkeyHotei>
NuMG: any chance you use t730's also in addition to t520?
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