How To Install sct on Ubuntu 18.04
Introduction
In this tutorial we learn how to install sct on Ubuntu 18.04.
What is sct
sct is:
sct is a small C program to change the screen color temperature. It can be used to reduce or increase the amount of blue light produced by the screen.
sct sets the color temperature of the screen via xrandr like redshift. Unlike redshift, it is only 80 lines of C and will not change the screen temperature automatically.
There are three methods to install sct on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install sct Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install sct using apt-get by running the following command:
sudo apt-get -y install sct
Install sct Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install sct using apt by running the following command:
sudo apt -y install sct
Install sct Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install sct using aptitude by running the following command:
sudo aptitude -y install sct
How To Uninstall sct on Ubuntu 18.04
To uninstall only the sct package we can use the following command:
sudo apt-get remove sct
Uninstall sct And Its Dependencies
To uninstall sct and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove sct
Remove sct Configurations and Data
To remove sct configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge sct
Remove sct configuration, data, and all of its dependencies
We can use the following command to remove sct configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge sct
References
Summary
In this tutorial we learn how to install sct package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
