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You can use the following script found on doc.ubuntu-fr.org(based on xbacklight tool): Create a new configuration file brightness under /usr/local/bin with the following contents: #!/bin/bash error="Usage: $0 up | $0 down" xbl=`xbacklight` limite1=2 limite2=10 limite3=40 limite4=100 if [ "$#" -eq 1 ] then if [ $1 = "up" ] then # ...


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xrandr is your friend. You are going to need to know the official names of the outputs that Linux supports for your hardware, and "xrandr -q" can report those. Here's an example of a script I wrote that I run when I want to switch to a 3-display configuration (this is very specific to my hardware and display layout, but you should be able to adapt to your ...



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