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przbadu/brightness-script.md

Created August 22, 2020 02:17
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How to control monitor brightness from linux PC using terminal
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brightness-script.md

Open terminal app

Press Ctrl + Alt + T or search for terminal application and open it.

Get Monitor's Device Name

First get monitor's device name using below terminal command:

xrandr | grep " connected" | cut -f1 -d " "

control brightness level

The brightness level should be set between 0.5 to 1 for better visibility.

xrandr --output [monitor-name] --brightness [brightness-level]

Example

xrandr --output HDMI-0 --brightness 0.8
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