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


Channel log from 20 November 2019   (all times are UTC)

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06:41
<alkisg>
!ipconfig
06:41
<ltspbot>
ipconfig: to fake a DHCP request from your LTSP server, e.g. to check if another DHCP server is present: sudo /usr/lib/klibc/bin/ipconfig -n eth0
06:41
<alkisg>
!ipappend
06:41
<ltspbot>
ipappend: o temporarily solve DHCP problems in the initramfs, try putting IPAPPEND 3 after the APPEND line in /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default. More info: http://www.syslinux.org/wiki/index.php/SYSLINUX#IPAPPEND_flag_val_.5BPXELINUX_only.5D
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09:06
<alkisg>
Success, rpi3 successfully booted with pipxe and the new ltsp, without any local kernel, i.e. similar to booting a PC from an ipxe usb stick.
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13:34
<mwalters>
neat.jpg
13:36
rpi3 still had a 100Mb interface though, didn't it?
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14:16
<alkisg>
mwalters: yes, but 100 mbps is fine for each client, no need for gigabit
14:21
<mwalters>
oic
14:36
<||cw>
100Mbit is only a little slower than the typical cheap SD card used in Pis, and faster on writes than a lot of them
14:36
<mwalters>
oh, I guess that makes sense... most people probably aren't buying class10s for them
14:36
<||cw>
especial small block IO
14:37
<mwalters>
and now that I think about it... 100mb was fast enough to load PSX ISOs over ;)
14:37
<||cw>
9MB/s is usable
14:40
<alkisg>
It's also compressed squashfs vs local ext4, that makes things 2.5 times faster too
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17:34
<douglas_br>
hello all
17:35
<alkisg>
Hi douglas_br
17:37
<douglas_br>
alkisg about ltsp update 19.11, is it secure follow the update command where the ltsp is working?
17:38
<alkisg>
Do you mean if you should be running updates?
17:38
<douglas_br>
yeah
17:38
<alkisg>
Yes, we're using the proposed repository now now updates land after you test them
17:38
Read this: https://ltsp.github.io/advanced/proposed-ppa/
17:38
Install it in a pc, so that you test it before production
17:44
<douglas_br>
right
17:44
thanks
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18:24
<alkisg>
vagrantc: heya; ipxe also supports nfs, which is as fast as http; I asked in #ipxe about it and they told me that it would be possible to configure it so that non-ROM targets are built with nfs too (ROMs omit it so that they fit in 56K)
18:24
That shouldn't hurt anyone, and it would allow ltsp client too boot faster without requiring an http server
18:25
...just noting for the future, not now
18:26
<vagrantc>
sure
18:26
interestingly enough, my first thin-client system, lessdisks, used nfs boot with etherboot :)
18:26
<alkisg>
Hehe
18:27
I did manage to boot rpi3 with pipxe, with the usual ipxe menu and all; just a couple of non-ltsp bugs to be worked around left
18:27
<vagrantc>
though eventually added support for tftp when PXE started becoming a thing
18:27
<alkisg>
One in the kernel, one in initramfs-tools
18:27
<vagrantc>
nice
18:27
alkisg: for not working on this much you sure seem to be putting in a lot of time :)
18:28* alkisg is trying to get it to a state where it can be left alone for a year :D
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20:25
<alkisg>
vagrantc: why is ltsp still blocked from entering testing, is this normal?
20:25
https://qa.debian.org/excuses.php?package=ltsp
20:26
<vagrantc>
alkisg: i was just looking at that earlier ... it seems https://bugs.debian.org/944702 was *partially* resolved, as it used to be blocked by all architectures
20:29* alkisg didn't understand who will work on resolving this... ftp masters?
20:29
<vagrantc>
in theory
20:31
<alkisg>
Heh. Not sure how focal-proposed picked that up. ltsp | 19.11-1 | focal-proposed/universe | source, all
20:33
<vagrantc>
cool
20:34
apparently it can pull from sid if versioned correctly?
20:34
<alkisg>
Maybe focal pulls from testing and focal-proposed from sid
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20:35* vagrantc shrugs a bit
20:36
<dgroos>
I've had several challenges with epoptes in last week since update to ltsp19.11. Anyone else?
20:37
<alkisg>
dgroos: heading to bed soon; what kind of challenges, may I help quickly?
20:37
I'm using epoptes with ltsp19.11 with no issues
20:37
<dgroos>
I'm pretty sure it's my setup, I've not seen others mention anything.
20:37
I can't broadcast to anyone.
20:38
<alkisg>
Wayland?
20:38
<dgroos>
Often I can't shutdown clients.
20:38
<alkisg>
ps aux|grep -i wayland
20:38
See if it returns an entry there
20:38
<dgroos>
I used that command but didn't see any return except the process. I'll try again...
20:39
<alkisg>
I also noted these for you yesterday:
20:39
(07:37:06 AM) alkisg: dgroos, are you talking about this one? https://github.com/epoptes/epoptes/issues/103
20:39
(07:37:26 AM) alkisg: Test if it happens when you **haven't** used the epoptes "exec dialog" at all for a user
20:39
(about the logout issue you mentioned)
20:39
Can you vnc to me to have a quick look/
20:40
x11vnc -connect srv1-dide.ioa.sch.gr
20:40
<dgroos>
thanks!
20:41
<alkisg>
dgroos: see, you're running wayland
20:41
VNC doesn't work on wayland
20:41
That's on your pc, not the client
20:41
So you need to logout, and select the xorg session
20:41
<dgroos>
yup, I see thata.
20:42
<alkisg>
Then broadcasts will work
20:42
But I do wonder why your vnc works now
20:42
<dgroos>
I'll explore with the login I have, I've never selected wayland.
20:42
<alkisg>
Hmm
20:42
Maybe gdm runs on wayland, and your session on xorg
20:44
Can we restart gdm,which will log you out?
20:44
Clients won't be affected
20:44
<dgroos>
for sure
20:44
<alkisg>
ok, reconnect to irc after that
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20:47
<alkisg>
x11vnc -connect srv1-dide.ioa.sch.gr
20:48
<dgroos>
will start it, just to let you know it has stopped on the line, "Started pbfilter"
20:48
I'll force shutdown...
20:48
<alkisg>
no wait
20:48
just press alt+ctrl+f1
20:48
then alt+ctrl+f2 etc
20:48
<dgroos>
:-( sorry
20:48
<alkisg>
That line is always there for you, it's caused by your ldap setup
20:48
<dgroos>
I tapped the power button and it shutdown.
20:49
<alkisg>
You just don't see it because it's behind gdm
20:49
<dgroos>
is restarting now...
20:49
<alkisg>
OK
20:55
dgroos: epoptes-client service wasn't running as root
20:56
<dgroos>
?
20:56
<alkisg>
It was in failed state
20:56
Additionally, gdm runs two screens, one for the unlock screen and one for the user session
20:56
I think all those are related to gnome etc
20:56
But it's late now to properly troubleshoot them
20:56
<dgroos>
time to go MATEward...
20:57
?
20:57
<alkisg>
Nah
20:57
It would help if you could run a VM there and leave it open somehow in a ...greek morning when I could take a look,
20:57
or if I could reproduce it locally ...
20:58
<dgroos>
I could for sure leave a vm running...
20:58
<alkisg>
I wonder why other , non-ltsp, gnome 18.04 users, haven't reported that issue
20:58
<dgroos>
not sure if it will reporduce...
20:58
I wonder if it has anything to do w/having put pbis-open on it?
20:58
<alkisg>
No
20:59
I think it's just gdm confusing epoptes-client's "get-display" function
20:59
Because of multiple screens etc
20:59
Let me PM you
20:59
<dgroos>
I'm projecting the teacher computer to a screen and to a promethean board.
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