LTSP 5 is in minimal maintenance mode
The new LTSP is hosted at https://ltsp.github.io

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


Channel log from 2 November 2019   (all times are UTC)

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20:12
<ortanca_samuray>
hi everyone
20:14
i'd like to ask how can compile armhf and i386 on x86_64
20:14
<quinox>
eeeeuh
20:15
it's call cross compiling, and it has nothing to do with LTSP :)
20:16
Google "linux cross compiling armhf" and take it from there?
20:16
<ortanca_samuray>
what about this
20:16
https://help.ubuntu.com/community/UbuntuLTSP/RaspberryPi
20:16
in LTSP5 it is ok
20:17
but LTSP 19.09 not
20:17
is there any way to do LTSP 19.09
20:18
<quinox>
ah, like that... I don't think that's called compiling armhf, but I get what you're looking for
20:18
there might be
20:18
stick around and someone with knowledge about this area might wake up and help out
20:19
<alkisg>
ortanca_samuray: ltsp doesn't have compiled code, it's interpretd
20:19
Are you trying to install ltsp19 on raspberry?
20:21
<ortanca_samuray>
nope
20:21
<alkisg>
Well that page was about installing ltsp on raspberry
20:21
What are you trying to do?
20:21
<ortanca_samuray>
i got radxa instead of raspi but same kind of
20:22
maybe i ask wrong question
20:22
<alkisg>
Explain what you want with more sentences then :)
20:22
<ortanca_samuray>
i'd like to reach my LTSP server with raspi
20:23
<alkisg>
So you have a raspberry pi with raspbian on it and you want to do remote desktop to an ltsp server?
20:24
<ortanca_samuray>
yep
20:24
<alkisg>
OK, install vnc or x2go or xfreerdp
20:24
This isn't related to ltsp :)
20:24
<ortanca_samuray>
nope
20:24
not like that
20:24
<alkisg>
OK write a paragraph so that we understand what you're looking for
20:24
This now is guesswork
20:25
<ortanca_samuray>
for example in x86_64 machine with this command "ltsp image /" it compiles x86_64 image
20:26
that means you can only reach server x86_64 cpu
20:26
but i'd like to reach x86_32 cpu and armhf cpu
20:26
or arm64 cpu
20:26
pc or sbc
20:27
<alkisg>
ortanca_samuray: this one? https://github.com/ltsp/ltsp/issues/60
20:28
<ortanca_samuray>
yes but its LTSP 5
20:28
<alkisg>
No this is ltsp19
20:29
<ortanca_samuray>
nope
20:29
<alkisg>
If you want ltsp5, then it's the other one you said: https://help.ubuntu.com/community/UbuntuLTSP/RaspberryPi
20:29
<ortanca_samuray>
did u read the article
20:29
<alkisg>
I wrote both articles
20:29
So yeah, I also read them while writing them
20:29
I also wrote the code :)
20:29
<ortanca_samuray>
nice
20:30
ok please explain that why in LTSP5 you can compile image x86_32 on x86_64 machine
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20:30
<alkisg>
So if I understood you correctly, you want to have an ltsp19 server of arch=x86_64, and an ltsp19 client of arch=armhf, which is similar to raspberry, but not exactly, right?
20:31
<ortanca_samuray>
yes
20:31
<alkisg>
OK. What you're asking is not compiling and it's not x86_32
20:31
It's "build an armhf chroot"
20:31
Which involves downloading packages that are already compiled
20:31
This can be done with "debootstrap", which was called by "ltsp-build-client" in ltsp5
20:32
This had so many bugs that we stopped using it
20:32
<ortanca_samuray>
yes also nearly same
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20:32
<ortanca_samuray>
sudo ltsp-build-client --arch i386
20:32
<alkisg>
i386 is for PCs, it won't work on raspberries
20:32
<ortanca_samuray>
on x86_64 machine you can do it
20:32
<alkisg>
You want --arch armhf
20:32
<ortanca_samuray>
yes know it
20:32
<alkisg>
So now the new method will download the raspbian.img.xz image and just extract it
20:32
ltsp-build-client won't exist anymore
20:33
<ortanca_samuray>
for client i have to compile qemu or on armhf cpu
20:33
<alkisg>
Install qemu, not compile it
20:33
You just run `apt install qemu`, you don't run `gcc qemu`
20:33
<ortanca_samuray>
i know it
20:34
i'd like to ask
20:34
<alkisg>
So the easiest way is to install your raspberry normally, and then just copy the contents of the sd card to the server
20:34
<ortanca_samuray>
x86_64 LTSP server machine
20:34
<alkisg>
Then you'll have the chroot very quickly,and it will be optimized
20:34
<ortanca_samuray>
and Client ltsp is raspi
20:34
how
20:34
<alkisg>
How to copy? cp -a
20:35
<ortanca_samuray>
For a chroot in /srv/ltsp/x86_32:ltsp image x86_32
20:35
in the site it writes like that but it does not work
20:35
<alkisg>
x86_32 is for PCs
20:35
You don't have pc
20:35
So of course it won't work
20:36
<ortanca_samuray>
if somebody read like me as
20:37
i understand that i can make 32bit image
20:37
<alkisg>
No,you can't
20:37
<ortanca_samuray>
yes i can on LTSP 5
20:37
<alkisg>
You need to use virtualbox and create a virtual machine and install e.g. ubuntu 32bit there
20:37
Yes
20:38
<ortanca_samuray>
with multiarch os
20:38
nope
20:38
<alkisg>
And it had so many problems that we stopped supporting it
20:38
So in LTSP19, there is no ltsp-build-client
20:38
So you can't
20:38
<ortanca_samuray>
yes
20:38
<alkisg>
You need to use virtualbox
20:38
<ortanca_samuray>
on LTSP19 i can not
20:38
<alkisg>
Or if you know deboostrap, you can use that
20:38
<ortanca_samuray>
that's the point thank you
20:39
<alkisg>
Virtualbox is much easier than ltsp-build-client
20:39
So just use that
20:39
<ortanca_samuray>
i dont think so
20:39
<alkisg>
ok
20:39
<ortanca_samuray>
thank you very much for help
20:39
<alkisg>
You're welcome
20:40
Btw, LTSP19 doesn't yet support raspberries, unless you're a developer and know how to copy cards into chroots etc. The roadmap is the link I pasted before: https://github.com/ltsp/ltsp/issues/60
20:40
<ortanca_samuray>
i am searching
20:40
after that we can connect againt
20:41
but with these command it's so useful for example
20:41
ltsp image x86_32
20:41
ltsp image armhf
20:41
ltsp image arm64
20:41
<alkisg>
This are names
20:42
They are not architectures
20:42
You're supposed to use virtualbox and create x86_32
20:42
Then ltsp image just compresses it
20:42
It doesn't create it
20:42
<ortanca_samuray>
i see
20:42
<alkisg>
ltsp image is like "ltsp-update-image", NOT like "ltsp-build-client"
20:44
<ortanca_samuray>
something missing
20:45
when create ltsp image, after all clients cpu can connect to server
20:45
sorry for my bad english
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21:03
<alkisg>
ortanca_samuray: you can read about ltsp image here: https://ltsp.github.io/man/ltsp-image/
21:04
It explains about chrootless, chroots and VMs
21:04
(or just run `man ltsp image`)
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