How To Install brightd on Debian 9
Introduction
In this tutorial we learn how to install brightd on Debian 9.
What is brightd
brightd is:
The idea is taken from the way Macs behave: If a user is inactive for a certain time, it automatically darkens the screen. It is designed for IBM/Lenovo Thinkpads, but works with every display which is controllable via /sys/class/backlight/.
There are three methods to install brightd on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install brightd Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install brightd using apt-get by running the following command:
sudo apt-get -y install brightd
Install brightd Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install brightd using apt by running the following command:
sudo apt -y install brightd
Install brightd 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 Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install brightd using aptitude by running the following command:
sudo aptitude -y install brightd
How To Uninstall brightd on Debian 9
To uninstall only the brightd package we can use the following command:
sudo apt-get remove brightd
Uninstall brightd And Its Dependencies
To uninstall brightd and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove brightd
Remove brightd Configurations and Data
To remove brightd configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge brightd
Remove brightd configuration, data, and all of its dependencies
We can use the following command to remove brightd configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge brightd
Dependencies
brightd have the following dependencies:
References
Summary
In this tutorial we learn how to install brightd package on Debian 9 using different package management tools: apt, apt-get and aptitude.