xbacklight

Utility to adjust backlight brightness using the RandR extension. More information: <https://gitlab.freedesktop.org/xorg/app/xbacklight>.

Install

All systems
curl cmd.cat/xbacklight.sh
Debian Debian
apt-get install xbacklight
Ubuntu
apt-get install xbacklight
Alpine
apk add xbacklight
Arch Arch Linux
pacman -S xbacklight
image/svg+xml Kali Linux
apt-get install xbacklight
Fedora
dnf install xbacklight
Windows (WSL2)
sudo apt-get update sudo apt-get install xbacklight
Raspbian
apt-get install xbacklight
Docker
docker run cmd.cat/xbacklight xbacklight powered by Commando

Utility to adjust backlight brightness using the RandR extension. More information: <https://gitlab.freedesktop.org/xorg/app/xbacklight>.

  • Get the current screen brightness as a percentage:
    xbacklight
  • Set the screen brightness to 40%:
    xbacklight -set 40
  • Increase current brightness by 25%:
    xbacklight -inc 25
  • Decrease current brightness by 75%:
    xbacklight -dec 75
  • Increase backlight to 100%, over 60 seconds (value given in ms), using 60 steps:
    xbacklight -set 100 -time 60000 -steps 60

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