brightnessctl

Utility for reading and controlling device brightness for GNU/Linux operating systems.

TLDR

List devices with changeable brightness

$ brightnessctl --list
copy

Print the current brightness of the display backlight

$ brightnessctl get
copy

Set the brightness of the display backlight to a specified percentage within range

$ brightnessctl set [50%]
copy

Increase brightness by a specified increment

$ brightnessctl set [+10%]
copy

Decrease brightness by a specified decrement

$ brightnessctl set [-10%]
copy

Copied to clipboard
Cake Defi