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


Channel log from 10 March 2020   (all times are UTC)

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05:12
<jgee>
!local-boot
05:12
<ltspbot>
local-boot: If you want LTSP fat clients on a low-speed network, you can put i386.img on e.g. C:\Boot\LTSP\i386.img and use this command line in pxelinux.cfg: APPEND ro initrd=ltsp/i386/initrd.img init=/sbin/init-ltsp root=/dev/sda1 rootflags=ro loop=/Boot/LTSP/i386.img; IPAPPEND 3
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10:33
<eu^static-176-15>
Hi there. I'm trying ltsp. I've installed the server, create a vmdk image, followed the doc, etc. I run a client which boots correctly with ipxe and load ltsp image. Then when trying to mount my vm image, mount fails with /dev/loop0 .. no such device. I'm in a debug shell right now. Somebody can help/direct me ?
10:34
<alkisg>
eu^static-176-15: can you upload a screenshot of the error to imgur.com?
10:35
eu^static-176-15: also, which ltsp version?
10:36
dpkg -l | grep ltsp
10:37
<eu^static-176-15>
ii ltsp 20.01-1~202001301202~ubuntu18.04.1 all Linux Terminal Server Projectii ltsp-binaries 19.11-1~201911110713~ubuntu18.04.1 all Linux Terminal Server Project binaries
10:37
on the server side.
10:38
os on client is debian 10, and I ust the ppa repo
10:38
<alkisg>
ppa is fine, has 20.01 too
10:38
<eu^static-176-15>
https://imgur.com/TSp5iRj
10:39
<alkisg>
eu^static-176-15: I believe that you didn't install ltsp in the vmdk image, as the installation page says
10:39
!install
10:39
<ltspbot>
install: To install LTSP: https://ltsp.org/docs/installation/
10:39
<alkisg>
This will give you the squashfs module in the initramfs, which is necessary
10:39
<eu^static-176-15>
Well, I did it this morning. I gonna double check.
10:39
<alkisg>
*inside* the vmdk, you're supposed to install ltsp, and this is supposed to run update-initramfs, and put squashfs in the initramfs
10:39
<eu^static-176-15>
from the debug shell, I've checked the module was availble.. modprobe squashfs is fine for example
10:40
oh ok. May be the updateinitramfs was not done.
10:41
I've juste done apt install ltsp epoptes-client..
10:41
Should I launch an update-initramfs after that ?
10:41
checking..
10:46
This is on the client image:root@debian:/etc/apt# apt install epoptes-clientLecture des listes de paquets... FaitConstruction de l'arbre des dépendances Lecture des informations d'état... Faitepoptes-client est déjà la version la plus récente (20.01-1~ubuntu18.04.1).0 mis à jour, 0 nouvellement installés, 0 à enlever et 0 non mis à
10:46
jour.root@debian:/etc/apt# dpkg -l | grep ltspii ltsp 20.01-1~202001301202~ubuntu18.04.1 all Linux Terminal Server Project
10:46
ok, it's in french but it says the packages are installed..
10:46
Should I run an update-initramfs ?
10:48
<alkisg>
(12:39:53 PM) eu^static-176-15: from the debug shell, I've checked the module was availble.. modprobe squashfs is fine for example
10:48
<eu^static-176-15>
I can see the initrd was rebuild this morning when I installed the packages.
10:48
<alkisg>
grep squashfs /proc/filesystems
10:48
Is it there in the initramfs shell?
10:50
<eu^static-176-15>
no :-(
10:50
<alkisg>
Maybe you installed ltsp in the vmdk, AFTER you had previously ran ltsp image?
10:50
Anyway, run update-initramfs -u and ltsp image outside
10:51
update-initramfs -u inside
10:58
<eu^static-176-15>
yeah, understood. Doing it again..
11:00
Well. I think I missed a step in my special conf.. Basically I used my image rom yeserday on which I didn't install the ltsp packages.. I think it gonna work in a few minutes.. I tell you. thanks anyway.
11:21
<alkisg>
np
11:33
<eu^static-176-15>
ok, it boots, thanks a lot.
11:38
My client had a user preconfigured: it has disappeared or I can't log with it. And the user I've created on the ltsp server is shown but I can't log with it.. Dunno if there is a problem with the password or the home ..
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11:42
<alkisg>
eu^static-176-15: ltsp initrd
11:43
Also, make sure that sshfs was installed in the vmdk
11:43
(it gets automatically installed when you install ltsp)
11:43
<eu^static-176-15>
Is there a way to keep the user I've install on the vmdk ?
11:44
<alkisg>
eu^static-176-15: yes, the pw_merge ltsp.conf directives, see man ltsp.conf
11:44
!ltsp.conf
11:44
<ltspbot>
ltsp.conf: Configuration file for LTSP: https://ltsp.org/man/ltsp.conf/
11:45
<alkisg>
eu^static-176-15: but note that if you're using sshfs, he would need to be able to ssh to the server
11:45
If you're using NFS home, then there's no need for that user to exist on the server
11:45
(or local home)
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12:03
<eu^static-176-15>
ok, I guess I have to add users & groups I want to keep in the [clients] section of ltsp.conf, in PWMERGE_D[GU]R variables. Then ltsp initrd ?
12:04
<alkisg>
eu^static-176-15: yes, but note what I said above about sshfs
12:05
<eu^static-176-15>
my user has a local home which should be in the squashfs .. I understand all the modifications he will do on his home will be lost..
12:05
So.. Should he be created on the server too ?
12:06
<alkisg>
eu^static-176-15: you should use OMIT_IMAGE_EXCLUDES to keep home from the .vmdk
12:06
As normally it comes from the server
12:07
Or, you can create it dynamically with a POST_INIT parameter
12:07
Yeah that's probably more verbose/logical
12:07
And you'll need to allow passwordless logins for these users, as they don't exist on the server
12:07
Again from ltsp.conf
12:10
<eu^static-176-15>
Well, I prefere to keep the home so far, as I've provisioned stuffs on it.
12:10
OMIT_IMAGES_EXCLUDES has to be set in the server section ?
12:10
I guess
12:11
<alkisg>
Yes
12:15
<eu^static-176-15>
PASSWORDS_x ? PASSWORDS_0 .. PASSWORDS_n ? I see in the sample that it's based on the client's hostname ? Can it be done for all the clients ?
12:16
PASSWORDS="myuser/" ?
12:16
<alkisg>
PASSWORDS_MYUSER="myuser/"
12:16
It needs the dash there, _
12:18
<eu^static-176-15>
I guess I can put anything behind _ so.
12:23
<alkisg>
Right
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12:59
<eu^static-176-15>
Still can not see my image user. I've added in the [clients] section PWMERGE_DGR="admindebian"PWMERGE_DUR="admindebian"PASSWORDS_ADMINDEBIAN="admindebian/aBase64Pass"
13:00
I can log with the user from the ltsp server.. But I don't see the admindebian user in lightdm, and if I try to log with it it does not work
13:01
I can't see it either with getent passwd once I'm logged onto the client. I'm wondering if the uid/gid don't collide by the way.
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13:02
<eu^static-176-15>
the whole /home is mount on the client ? Is the a way to mount on a n other folder ?
13:03
no. It's a per user mount..
13:05
argh.. the path in the omit option are relative... I put /home.
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13:12
<NecTal>
Hello. I have set up 2 nic ubuntu 18.04 ltsp server. But when i boot the client it's stuck at "A start job is running for Network Time Synchronization"
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