How To Install apparmor on Ubuntu 22.04
Introduction
In this tutorial we learn how to install apparmor on Ubuntu 22.04.
What is apparmor
apparmor is:
apparmor provides the system initialization scripts needed to use the AppArmor Mandatory Access Control system, including the AppArmor Parser which is required to convert AppArmor text profiles into machine-readable policies that are loaded into the kernel for use with the AppArmor Linux Security Module.
There are three methods to install apparmor on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install apparmor Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install apparmor using apt-get by running the following command:
sudo apt-get -y install apparmor
Install apparmor Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install apparmor using apt by running the following command:
sudo apt -y install apparmor
Install apparmor 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 apparmor using aptitude by running the following command:
sudo aptitude -y install apparmor
How To Uninstall apparmor on Ubuntu 22.04
To uninstall only the apparmor package we can use the following command:
sudo apt-get remove apparmor
Uninstall apparmor And Its Dependencies
To uninstall apparmor and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove apparmor
Remove apparmor Configurations and Data
To remove apparmor configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge apparmor
Remove apparmor configuration, data, and all of its dependencies
We can use the following command to remove apparmor configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge apparmor
References
Summary
In this tutorial we learn how to install apparmor package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
