IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 7 October 2017 (all times are UTC)
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| 18:38 | <lionrouge_> hi !
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| 18:39 | my ltsp clients screens turn black and never come back after screen locking. Debian 9 i386 server with XFCE
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| 18:39 | how can i fix it?
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| 18:40 | <alkisg> lionrouge_: what is the client CPU? Intel skylake?
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| 19:14 | <lionrouge_> alkisg, much older :)
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| 19:14 | <alkisg> lionrouge_: do you have epoptes installed, for easier troubleshooting?
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| 19:14 | <lionrouge_> in server or client environment?
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| 19:15 | <alkisg> epoptes in server, epoptes-client in client
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| 19:15 | <lionrouge_> haven't heard about epoptes previously
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| 19:15 | <alkisg> !epoptes
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| 19:15 | <ltsp`> epoptes: Epoptes is a computer lab administration and monitoring tool. It works on Ubuntu and Debian based labs with LTSP or non-LTSP servers, thin and fat clients, standalone workstations, NX clients etc. More info: http://www.epoptes.org
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| 19:15 | <lionrouge_> i will install it now
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| 19:16 | <alkisg> For example, if your screen goes blank, it will allow you to access Xorg and query it with xset
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| 19:16 | OK
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| 19:24 | So when you install with epoptes, right click and open terminal, root, locally, and there run: xset q
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| 19:25 | Upload the result of `xset q` before and after the blanking...
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| 19:31 | <lionrouge_> should i run it on server or client?
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| 19:39 | <lionrouge_> looks like i have no root in ltsp environment
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| 19:39 | need to fix it
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| 19:41 | <alkisg> lionrouge_: see epoptes.org/installation for installation instructions
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| 19:41 | Then run the command via epoptes
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| 19:54 | <lionrouge_> ok
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| 20:01 | i ran it under local user and there is no difference in xset q output
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| 20:02 | should i run it under root ?
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| 20:05 | <alkisg> If you ran it via epoptes, then no, but xset q should tell you how it's blanked
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| 20:05 | screensaver or dpms
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| 20:05 | So if you didn't see anything, you did something wrong...
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| 20:07 | <lionrouge_> both before and after screen lock i have: screen saver prefer blanking yes timeout:600 DPMS is enabled Monitor is on
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| 20:07 | and when i tried to unlock screen through epoptes it didn't work
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| 20:28 | <lionrouge> re
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| 20:32 | <alkisg> lionrouge: try screen broadcasting while it's locked
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| 20:32 | also try changing resolution with xrandr
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| 20:39 | *while it's blanked
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| 20:39 | Also mention the graphics driver used
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| 20:39 | And, if it happens with non-ltsp installations too
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| 20:45 | <lionrouge> ok
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| 20:51 | screen broadcast while locked doesn't work - i see black screen too
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| 20:52 | it doesn't happen to non-ltsp installations though it's a different distro installed locally
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| 20:52 | video is Intel 82945G/GZ Integrated Graphics
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| 20:53 | the screen restores when i log off user with epoptes
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| 20:55 | i set up password for local root and can login to it either from ttys2 or from terminal in ltsp session
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| 20:55 | but epoptes still can't run local root terminal
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| 20:56 | so i run local user terminal with epoptes and then do su
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| 20:56 | xset q is the same as i mentioned before
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| 22:21 | <lionrouge> alkisg, thank you for advices
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| 22:21 | i think i should better create a thin client server
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| 22:21 | looks like this issue doesn't happen with it
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| 22:25 | as i understand the issue is with authentication mechanisms that are needed to unlock screen
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