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


Channel log from 30 May 2023   (all times are UTC)

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06:27
<adamjurkiewiczpy>
strange situation... yesterday everything was ok, but today tftp is not working
06:28* adamjurkiewiczpy uploaded an image: (55KiB) < https://libera.ems.host/_matrix/media/v3/download/matrix.org/jJhQCIbMFUOYjkiPSSODWGKy/Screenshot_20230530_082816.png >
06:29* adamjurkiewiczpy uploaded an image: (195KiB) < https://libera.ems.host/_matrix/media/v3/download/matrix.org/rBmYDLHOWirxTmgZolNJYhNa/Screenshot_20230530_082939.png >
06:30
<adamjurkiewiczpy>
few minutes investigation:
06:30
Sorry for screens, but server is inside virtualbox and copy/paste do not works
06:32
The following applets are currently defined:
06:32
• dnsmasq: configure dnsmasq for LTSP
06:32
• image: generate a squashfs image from an image source
06:32
• info: gather support information about the LTSP installation
06:32
• initrd: create the ltsp.img initrd add-on
06:32
• ipxe: install iPXE binaries and configuration in TFTP
06:32
• kernel: copy the kernel and initrd from an image to TFTP
06:32
...(truncated)
06:32
copy/paste on ๐Ÿ˜‰
06:33
<alkisg>
sudo apt install ltsp-binaries; sudo ltsp ipxe
06:33
Then boot a client; if it doesn't boot then paste a CLIENT screen, not the server output
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06:35
<adamjurkiewiczpy>
alkisg:
06:35
That is so strange...
06:35
```
06:35
root@adasiek-VirtualBox:/srv/tftp# apt install ltsp-binaries
06:35
Czytanie list pakietów... Gotowe
06:35
Budowanie drzewa zaleลผnoล›ci... Gotowe
06:35
Odczyt informacji o stanie... Gotowe
06:35
...(truncated)
06:37
Works like a charm now ๐Ÿ˜‰
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06:37
<adamjurkiewiczpy>
May 30 08:36:49 adasiek-VirtualBox dnsmasq-dhcp[850]: PXE(enp0s3) 192.168.1.120 48:ba:4e:93:87:5f ltsp/ltsp.ipxe
06:37
May 30 08:36:49 adasiek-VirtualBox dnsmasq-tftp[850]: sent /srv/tftp/ltsp/ltsp.ipxe to 192.168.1.120
06:37
May 30 08:36:50 adasiek-VirtualBox dnsmasq-tftp[850]: sent /srv/tftp/ltsp/x86_64/vmlinuz to 192.168.1.120
06:37
May 30 08:36:50 adasiek-VirtualBox dnsmasq-tftp[850]: sent /srv/tftp/ltsp/ltsp.img to 192.168.1.120
06:37
May 30 08:37:11 adasiek-VirtualBox dnsmasq-tftp[850]: sent /srv/tftp/ltsp/x86_64/initrd.img to 192.168.1.120
06:37
May 30 08:37:14 adasiek-VirtualBox ntpd[813]: 54.37.233.160 local addr 192.168.1.197 -> <null>
06:37
May 30 08:37:24 adasiek-VirtualBox rpc.mountd[1065]: authenticated mount request from 192.168.1.120:837 for /srv/ltsp (/srv/ltsp)
06:44
<alkisg>
๐Ÿ‘๏ธ
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07:39
<Hyperbyte>
:-)
07:45
Good morning
08:05
<trendzetter2>
good morning!
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08:22
<alkisg>
Heya trendzetter2
08:53
<trendzetter2>
i'm setting up a new ltsp with ubuntu 22.4 and default gnome. I am trying to connect to the gnome remote desktop (rdp) but its throwing an error "internal error". I can connect rdp to the ltsp server as well as a desktop in the network running the same software from a hard disk instead of network boot.
08:54
anyone seen this issue before? I'm banging my head against the wall
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08:55trendzetter2 is now known as trendzetter
08:55
<alkisg>
You can connect via rdp to the server but not to the clients?
08:56
<trendzetter>
yes, the socket is available when I use netstat -taop
08:57
tcp6 0 0 :::3389 :::* LISTEN 3010/gnome-remote-d
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09:11
<trendzetter>
it's very neat if it works but I found few means of troubleshooting it
09:27
<alkisg>
One reason I can think of, is if you're using SSHFS, then gnome-keyring won't work there; and rdp may depend on that
09:27
Try with NFS home to check if that's indeed the issue
09:28
I reported that issue to gnome-keyring like 10 years ago; it should be just 5-10 lines to fix it; and yet noone bothers :D
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12:06
<trendzetter>
replacing sshfs with nfs does solve the issue
12:06
๐Ÿ‘
12:07
since there isn't any interest in keeping the home directory private that should be ok
12:17
<adamjurkiewiczpy>
in school, it is sometimes better, that students does not see each other work...
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13:50
<trendzetter>
I want to add a ramdisk and load java, javacache and the main application for the users onto the ramdisk for performance reasons. what is the recommended way to add a ramdisk to the clients?
13:51
<adamjurkiewiczpy>
maybe better put them to main image.... it will be uncomress to RAM on client...
13:52
<trendzetter>
so just put the outside the home and it will be included in the "main image"
13:52
?
13:52
<adamjurkiewiczpy>
or /tmp in memory defined in fstab
13:59
<trendzetter>
ok, I didn't find a /tmp in fstab but I found /run/user/1000/ being tmpfs. I suppose this is indeed in ram.
14:00
I'll try to put everything onto that location
14:25
<Hyperbyte>
trendzetter, I actually spent a few hours last night debugging all kinds of applications not working with the strangest errors on Ubuntu 22.04
14:26
Turned out my NFS exports file was wrong, so the clients did a fallback to sshfs. That breaks literally everything.
14:27
Or more specifically - it breaks systemd, which breaks dbus, which breaks pulseaudio, which breaks everything.
14:28
<adamjurkiewiczpy>
Strange... I have SSHFS and dbus etc... works fine -> latest Mint Mate Edition
14:31
<Hyperbyte>
Ubuntu Mate 22.04, upgraded from 20.04, 18.04 and 16.04
14:34
<alkisg>
SSHFS works fine for all apps except gnome-keyring, AFAIK
14:59
<adamjurkiewiczpy>
Hyperbyte: try to check, if there will be the same problem, when you install Ubuntu from scratch. I know, teoretycly there should be no difference.. but who knows?
15:00
know - new machine for this (or at least one hard drive).. but can be worth to check
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