brightnessctl: brightnessctl (cli device brightness control) brightnessctl: brightnessctl: This program allows you read and control device brightness. Devices, brightnessctl: by default, include backlight and LEDs (searched for in corresponding brightnessctl: classes). If omitted, the first found device is selected. brightnessctl: brightnessctl: Homepage: https://github.com/Hummer12007/brightnessctl brightnessctl: brightnessctl: brightnessctl: brightnessctl: