HOWTO: Adjust your monitor backlight from command line in Linux

This is a simple tips to adjust the monitor backlight from command line in linux. This is very useful in portable devices like Laptop and Netbooks to conserve power.

Here I am using Ubuntu 10.10 Beta. You need xbacklight command to control the backlight.

How to install xbacklight?

$ sudo apt-get install xbacklight

How to use xbacklight?

To set maximum brightness: $ xbacklight -set 100

To set 60% brightness: $ xbacklight -set 60

To set lowest brightness: $ xbacklight -set 0

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