How To Install libpam-apparmor on Ubuntu 18.04

In this tutorial we learn how to install libpam-apparmor on Ubuntu 18.04. libpam-apparmor is changehat AppArmor library as a PAM module

Introduction

In this tutorial we learn how to install libpam-apparmor on Ubuntu 18.04.

What is libpam-apparmor

libpam-apparmor is:

libpam-apparmor provides the PAM module needed to declare various differing confinement policies when starting PAM sessions by using the changehat abilities exposed through libapparmor.

There are three methods to install libpam-apparmor 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 libpam-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 libpam-apparmor using apt-get by running the following command:

sudo apt-get -y install libpam-apparmor

Install libpam-apparmor Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libpam-apparmor using apt by running the following command:

sudo apt -y install libpam-apparmor

Install libpam-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 libpam-apparmor using aptitude by running the following command:

sudo aptitude -y install libpam-apparmor

How To Uninstall libpam-apparmor on Ubuntu 18.04

To uninstall only the libpam-apparmor package we can use the following command:

sudo apt-get remove libpam-apparmor

Uninstall libpam-apparmor And Its Dependencies

To uninstall libpam-apparmor and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libpam-apparmor

Remove libpam-apparmor Configurations and Data

To remove libpam-apparmor configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libpam-apparmor

Remove libpam-apparmor configuration, data, and all of its dependencies

We can use the following command to remove libpam-apparmor configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libpam-apparmor

References

Summary

In this tutorial we learn how to install libpam-apparmor package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.