How to adjust the screen brightness automatically

wildguppy in ubuntu

One of the things we've gotten used to thanks to mobile devices that adjust the brightness of our screen automatically to adapt it to the conditions in force at all times; This is to increase the brightness when there is a lot of ambient light (for example at midday) and decrease it when night comes, something that on the other hand has even health connotations since it is proven that in the hours before sleep it is not good that the screens 'give off' a lot of light.

The problem with all this is that while laptop monitors and screens allow us to adjust the intensity of the display light, they do not offer an automatic way of doing it as they do with mobile devices (tablets and smartphones). But you can, calm down, and in this post we will see how to adjust the screen brightness automatically in Ubuntu, thanks to a tool called Wildguppy.

We can install WildGuppy from the official PPA repository, where we will find the version compatible with Ubuntu 12.04, 12.10, 13.04, 13.10 and 14.04 LTS. So, as we well know, the task is really very simple, like executing the following from a terminal (Ctrl + Alt + T):

sudo add-apt-repository ppa: fantasyleague0629 / wildguppy
sudo apt-get update
sudo apt-get install wildguppy

In the case of using Ubuntu 14.10 or higher We'll have to download the .deb package and install it manually. In this case we can also open a terminal window, and execute:

wget https://launchpad.net/~fantasyleague0629/+archive/ubuntu/wildguppy/+files/wildguppy_1.0.3-1_all.deb
sudo dpkg -i wildguppy_1.0.3-1_all.deb

Now we can start WildGuppy, and for this we can start writing your name in the Dash of Unity, or of course we can do it from the menu or launcher that we use, in one of the many possibilities that GNU / Linux always offers us. Once that is done we see that WildGuppy is run from the system prompt area, that is, the one in which we have the sound indicators, battery charge and others.

That WildGuppy indicator is the one that will allow us control all screen brightness options, which implies defining it manually or choosing to let the application take care of everything, which in the end is the idea (although we can still specify the interval from which the configuration will be updated, and the maximum and minimum values brightness).

Now, an application of this type is more useful when we run it not only automatically but also by default, that is, at each start of our computer. And for this we will have to put our hands to create a file, which we must locate in the folder ./config/autostart from our personal directory. We can use our preferred text editor, in my case gedit:

~ / .config / autostart / wildguppy-autostart.desktop

Then, we add the following content to the file:

[Desktop Entry]
Type = Application
Exec = wildguppy-gtk
Hidden = false
NoDisplay = false
X-GNOME-Autostart-enabled = true
Name = WildGuppy
Comment =

wildguppy-2

That's it, and from now on every time we start our Ubuntu team we will have WildGuppy by default, with all the benefits of being able to manage screen brightness automatically. And without neglecting that above all things, we will be having a much greater comfort.


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