How To Adjust Screen Brightness In Linux Ubuntu

How to adjust screen brightness in Linux Ubuntu Systems. Install Brightness Controller Utility and easily control brightness of Linux Ubuntu screen. Brightness Controller allows you to control Brightness of your Primary and Secondary Display in Linux.

It is a software based dimmer. It allows you to control the brightness of your monitor to a better extent. For example, laptop’s monitor brightness can be controlled using hardware keys at discrete values, such as 20%, 40%, 60%, … 100%.

Brightness Controller allows you to change the brightness to a better degree of control, ranging from 1% to 100%! It should be mentioned that it changes the present brightness value set via hardware control of your monitor. For example, if you set your Monitor’s brightness to 50% using hardware buttons, then that will be the 100% value in Brightness controller.

The following features are implemented:

  1. Brightness Control
  2. Saving color profile
  3. Loading color profile

We are working on the following features:

  1. Auto-loading of color and brightness settings
  2. Checking for update

It should be mentioned that through color profile Red, Green and Blue color ratios are changed in the screen.


There are several dependencies:

  1. python-pyside
  2. xrandr support in your system
  3. python2

Install Brightness Controller

Run the following commands in Terminal to install Brightness Controller via PPA on Ubuntu 17.04, Ubuntu 16.04, Ubuntu 15.04, Ubuntu 14.04 and other Ubuntu Derivatives.

sudo apt-get update
sudo add-apt-repository ppa:apandada1/brightness-controller
sudo apt-get update
sudo apt-get install brightness-controller

Once installed, open the Brightness Controller app from Ubuntu Dash or Terminal.

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How To Adjust Screen Brightness In Linux Ubuntu originally posted on Source Digit – Latest Technology, Gadgets & Gizmos.