brightnessctl

Utility for reading and controlling device brightness for Linux operating systems. More information: https://github.com/Hummer12007/brightnessctl#usage.

• List devices with changeable brightness:

brightnessctl {{[-l|--list]}}

• Print the current brightness of the default device:

brightnessctl {{[g|get]}}

• Print the current brightness of a specific device (can be a wildcard):

brightnessctl {{[g|get]}} {{[-d|--device]}} '{{device_name}}'

• Set the brightness to a specified percentage:

brightnessctl {{[s|set]}} {{50}}%

• Increase brightness by a specified percentage:

brightnessctl {{[s|set]}} +{{10}}%

• Decrease brightness by a specified percentage:

brightnessctl {{[s|set]}} {{10}}%-