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What's the command to keep screen awake (prevent lockscreen)? (discuss.tchncs.de)

submitted 3 months ago by [email protected] to c/[email protected]

9 comments fedilink hide all child comments

I know how to do it in the battery section through the GUI, but I'd like to set it up through a command, for automation purposes, and particularly for KDE Connect commands.

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[–] [email protected] 3 points 3 months ago

Not KDE but might be similar: For the MATE desktop it is mate-screensaver-command --inhibit. I would expect something similar for KDE.

[–] [email protected] 3 points 3 months ago (1 children)

There is kde-inhibit --screenSaver <command> provided by KDE.

But these days, I would just recommend everyone to use systemd-inhibit --what=idle --why=<because> --who=<myself> <command> instead. Works across desktops and does the same thing.

[–] [email protected] 2 points 3 months ago (1 children)

What should I put in the <command> part?

[–] [email protected] 1 points 3 months ago* (last edited 3 months ago) (2 children)

Anything that runs as long as you want the block to be. Usually sleep is a good one, use sleep infinity if you want the blocker to never go away until the systemd-inhibit process is killed manually.

[–] [email protected] 1 points 3 months ago

Aaaah, that's probably what Plasma is doing.

[–] [email protected] 1 points 3 months ago (1 children)

Would yes command work ?

[–] [email protected] 2 points 2 months ago

Presumably, but it prints "y" to the program output as fast as your CPU allows it, so that's probably not a very efficient way to do it.

[–] pixeled 1 points 3 months ago (1 children)

I don't know if this fits your use case (you didn't describe what you want to achieve in detail), but commands that can possible help if the screen did lock (or turn off):

Unlock the lockscreen: loginctl unlock-screen
Turn on the screen: kscreen-doctor --dpms on

[–] [email protected] 2 points 3 months ago

Wasn't that. I want to keep the screen on. No sleep, no lockscreen, no blackscreen, etc.