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


Channel log from 20 January 2021   (all times are UTC)

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08:50
<Hyperbyte>
Hey alkisg :-) I tried your pgrep sftp-server trick to find logged in clients, but later realized that of course this does not work with /home mounted over nfs. :-)
08:50
Any other tricks?
08:51
<alkisg>
Hyperbyte: use nfs4 for /home mounting, and grep for port 2049
08:52
!ss
08:52
<ltspbot>
Error: "ss" is not a valid command.
08:52
<alkisg>
!netstat
08:52
<ltspbot>
I do not know about 'netstat', but I do know about these similar topics: 'netplan'
08:52
<alkisg>
!client-list
08:52
<ltspbot>
client-list: to get a list of all nbd-clients (which sometimes is the same as ltsp clients), run: ss -n | sed -n 's/.*:10809 *\([0-9.]*\):.*/\1/p' | sort -Vu
08:52
<alkisg>
Something like this ^ but for the NFS port instead of NBD
08:58
<Hyperbyte>
That gets me a list of IP addresses :-)
08:58
I think I'm going to create some startup script that just writes a tmpfile in a users home dir with client IP address
09:05
<alkisg>
Sure, you can create e.g. /usr/local/bin/mate-session, that creates that file and removes it upon exit
09:05
touch the file; /usre/bin/mate-session "$@"; rm the file
09:08
<Hyperbyte>
I already have a custom startup script for clients... I'll just do hostname -I > ~/.cache/ltsp-ipaddress
11:51
Is there anything known about Chromium not working with LTSP on Ubuntu 20.04? It complains about not being able to access the home directory; I read somewhere that that might be because Chromium is now a snap that it looks in /etc/passwd for a users' homedir instead of using $HOME
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12:34
<alkisg>
Hyperbyte: when I tested it it worked; I don't remember if I was using NFS or SSHFS, I think I tested with both; in any case, you could use our PPA for chromium-browser in .deb, or you could switch to google-chrome
12:34
https://launchpad.net/~ts.sch.gr/+archive/ubuntu/chromium-browser
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14:37
<Hyperbyte>
alkisg, actually it's some bug or issue with Ubuntu snap. It uses /etc/passwd entries instead of environment variable $HOME for determining home. I found some articles on it.
14:37
If you install Chromium via .deb it'll work fine, if you install the snap (which is recommended in 20.04) it doesn't work. FYI. :-)
14:41
<ogra>
is your home mounted in a non standard path ?
14:41
snaps definitely default to using $HOME, but apparmor only allows standard paths like /home/$USER ... something like /home/myusers/$USER needs special configuration in the apparmor setup
14:44
https://help.ubuntu.com/community/AppArmor#How_do_I_make_AppArmor_work_with_a_non-standard_HOME_directory.3F
14:45
<Hyperbyte>
Nope. Using standard /home, mounted over NFS
14:45
<ogra>
hmm, that should actuaally work fine
14:45
especially nfs
14:46
https://forum.snapcraft.io/t/snaps-and-nfs-home/438/33
14:47
<Hyperbyte>
https://utcc.utoronto.ca/~cks/space/blog/linux/Ubuntu2004SnapsHomeIssue?showcomments
14:47
<ogra>
https://github.com/snapcore/snapd/pull/3958 is the accompanying fix
14:47
<Hyperbyte>
That's the article that got me sarted.
14:47
*started
14:48
Hmm, maybe it's not because of what that blogs says then
14:48
But installing Chromium via .deb instead of snap did resolve the issue.
14:48
<ogra>
sure
14:48
installing windows also fixes all my issues with binaries under wine on linux 😛
14:51
<Hyperbyte>
I don't get that, sorry. But I know very little about what 'snap' actually is.
14:51
<ogra>
just a package format
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15:39
<championofcyrodi>
hi guys... long time i've been off the radar. not planning to use LTSP anytime soon, but just wanted to let you know Im still around for questions and support regarding DevSecOps, CI/CD, kubernetes, etc. As that is my main gig these days
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