How to set the brightness of your monitor in Ubuntu 20.04

Posted on 6 January 2020 by josemaria

xrandr --output <output> --brightness 0.5

Use xrandr --listmonitors to get the name of your monitor

From: https://www.reddit.com/r/i3wm/comments/cd69ew/i3_and_brightness_on_ubuntu_1904/ets6ee2/

 

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