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


Channel log from 1 July 2021   (all times are UTC)

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08:15
<alkisg>
Hello Bruno Binet
08:15
!vnc-dide
08:15
<ltspbot>
vnc-dide: To share your screen with me, run this: sudo apt-get --yes install x11vnc; x11vnc -connect srv1-dide.ioa.sch.gr - this is a reverse connection, it doesn't need port forwarding etc.
08:17
<alkisg>
Hmm the IRC <=> matrix bridge lags a lot
08:18
I'll paste it manually:
08:18
Bruno: vnc-dide: To share your screen with me, run this: sudo apt-get --yes install x11vnc; x11vnc -connect alkisg.ltsp.org - this is a reverse connection, it doesn't need port forwarding etc.
08:30
Bruno Binet: ok sorry back, I was installing debian/kde to a school remotely :D
08:31
Bruno Binet: so to access the client, you ssh to the client?
08:31
Maybe that interferes, as it creates a second login
08:31
Do you ssh as bruno, or as root?
08:31
Why don't you use epoptes which is much simpler?
08:31
That might be the problem then
08:31
Do you have root access to the client?
08:32
Open a terminal, and connect to the client as root
08:32
Even as bruno first, then sudo, whatever
08:32
Let's minimize the interference in any case
08:32
Get me root client access in any way
08:37
Bruno Binet: so, by using "login bruno" on the client, via root ssh, everything works
08:38
Now I'll log you out from there, and I want you to try to login as bruno on the client, on vt2, on console
08:38
No
08:40
Bruno Binet: now try to reboot the client and login as bruno on vt2 again
08:43
It could be
08:43
Or it can be related to your ssh'ing to the client
08:43
As then the ssh dir is in use while trying to remount it
08:44
It's best to set up root ssh like I did, with authorized_keys
08:44
Put an authorized_keys to /root/.ssh via ltsp.conf
08:44
(your id_rsa.pub)
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08:45
<alkisg>
No, you can use mkdir, echo 'key here' > ...
08:46
Open a discussion issue if you want details
08:47
POST_INIT_CREATE_SSH_KEYS="mkdir -pm 700 /root/.ssh
08:47
echo 'your key here' > /root/.ssh/authorized_keys
08:47
chmod 700 /root/.ssh/authorized_keys"
08:47
Then you can ssh root@ltsp26.local
08:47
You're welcome :)
08:49
Bruno Binet: xvnc4viewer -listen
08:49
Yeah, you could also use epoptes which is even better ;)
08:50
<fiesh>
are you talking to yourself?! or is this some matrix gateway stuff?
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08:50
<BrunoBinet[m]>
Thanks a lot for your support!
08:50
I will look at that
08:50
have you changed anything?
08:50
I'm now powering my rpi from one of the USB port of my laptop (the server)
08:50
I see, great, thank you
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08:50
<alkisg>
It would make troubleshooting so much easier, and it's in the default installation instructions
08:51
Yes, but only in debian/ubuntu
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08:54
<alkisg>
You connect to me with x11vnc -connect alkisg.ltsp.org
08:54
I listen, you connect
08:54
So it's safe, as I don't expose a vnc server anywhere
08:56
Yes (re port)
08:56
Thank you, have a nice day too!
08:58
Were you already logged in, and a bit later, it stopped working?
08:58
Did you try to `ssh bruno@client` in the meantime?
08:59
OK let's see, vnc to me again
08:59
x11vnc -connect alkisg.ltsp.org
09:01
Bruno Binet: type here not in the terminal
09:01
I have too many windows open to check there :)
09:01
Try with a good power adaptor
09:01
Maybe that's the whole problem
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09:28
<BrunoBinet[m]>
ok
09:28
yes
09:28
(closing x11vnc now)
09:28
That's great
09:28
epoptes works also in a non-ltsp environment?
09:28
I hope I'll be able to contribute some stuff to LTSP in the future
09:28
<alkisg "Were you already logged in, and "> yes
09:28
I've just issue "ls" again at the tty2 client screen and it fails now :(
09:28
ok
09:28
(seem to work fine for now)
09:28
<alkisg "Did you try to `ssh bruno@client"> no
09:28
let's do that
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09:46
<alkisg>
<BrunoBinet[m] "(seem to work fine for now)"> Great! 👍️
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10:33
<alkisg_web>
fiesh: matrix.org has been suffering spam attacks, and synchronization with other servers and IRC is very slow, it can take from minutes to hours
10:33
We were talking normally with bruno on matrix with no lags in the meantime
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11:15
<fiesh>
ah ok, no problem, just got confused ;)
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12:05
<BrunoBinet[m]>
alkisg: The "Permission denied" issue just occured again with the official rpi power adapter... :(
12:08
<alkisg>
Bruno I will be online later on in the afternoon, lets see it then
12:08
<BrunoBinet[m]>
ok, thanks
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14:23
<alkisg>
Bruno Binet: here?
15:36
<muhwalt>
https://matrix.org/blog/2021/06/30/security-update-synapse-1-37-1-released
15:55
<alkisg>
Great news!
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17:19
<alkisg>
Hi vagrantc! Iperf in bullseye has a bug that breaks epoptes network benchmark,
17:20
The sid version fixes it, but its too late in feature freeze now to migrate it, right?
17:52
<vagrantc>
maybe
17:53
from the looks of it, that version really should have not been uploaded to unstable at this point...
17:56
alkisg: might be possible to backport a specific fix for a bullseye point release
18:06
<alkisg>
Specifically, reverse -r doesn't work, but i haven't looked at the code
18:06
It just hangs
18:12
(today I installed my first bullseye+kde+ltsp in a school library)
18:30
vagrantc: btw the reason that iperf was uploaded is because the bullseye version is rather broken: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=983201
18:31
(was uploaded to unstable)
18:55
<vagrantc>
alkisg: someone would need to request an unblock, not sure if that will happen
18:56
<alkisg>
Thank you vagrantc, I don't think it's worth the trouble then, I can use a PPA for bullseye for such cases
18:56* alkisg needs to take a second look to OBS
18:56
<vagrantc>
https://tracker.debian.org/pkg/iperf
18:56
it would also need to wait ~16 more days ... presuming bullseye doesn't release before then
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