ubuntu control brightness
xrandr | grep " connected" | cut -f1 -d " "
xrandr --output LVDS1 --brightness 0.7ubuntu control brightness
xrandr | grep " connected" | cut -f1 -d " "
xrandr --output LVDS1 --brightness 0.7Ubuntu brightness software GUI
$ sudo add-apt-repository ppa:apandada1/brightness-controller
$ sudo apt-get update
$ sudo apt-get install brightness-controllerCopyright © 2021 Codeinu
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