This is version 2 of Brightness Controller. Please note that it is compatible with python2 only. It supports an arbitrary number of displays!

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Thanks to package maintainer @apandada1, we have PPA repository For Ubuntu and likewise users:

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

First, install pyside.

sudo apt-get install python-pyside

Somtimes it is not enough to install and integrate pyside, so you might also try installing pyside using pip.

pip install pyside

Next, download the latest zip file from here.

Extract it and open a terminal. Change directory to the Brightness folder. Next type this command:

python src/init.py

Achean also created a detailed tutorial on how to install it in Debian based on his experience. You can find it here.

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

Please test v2. Reporting bugs is appreciated.

We got you covered! Try version 1.2.3/simpler version of Brightness Controller.

To install, simply do this:

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

Further details are available here