Set Screen Brightness from Terminal
We can set screen brightness from terminal by using xbacklight. Intially we have to install it before using. Open your terminal and type assudo apt-get install xbacklight
and then to set brightness to 10% more execute the command asxbacklight -inc 10
To decrease brightness by 10%xbacklight -dec 10
If you want to set the brightness to some level then, you can use the command asxbacklight -set 50
The above command will set the brightness to 50. It will range from 0 to 100.If you have any issues you can use comments to let me know.
Hope that helps.
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