How To Install selinux on Ubuntu 18.04

In this tutorial we learn how to install selinux on Ubuntu 18.04. selinux is Security-Enhanced Linux runtime support

Introduction

In this tutorial we learn how to install selinux on Ubuntu 18.04.

What is selinux

selinux is:

This package provides the minimal scripts necessary to run a Security-Enhanced Linux (SELinux) system.

There are three methods to install selinux 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 selinux Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

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

sudo apt-get -y install selinux

Install selinux Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install selinux using apt by running the following command:

sudo apt -y install selinux

Install selinux 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 selinux using aptitude by running the following command:

sudo aptitude -y install selinux

How To Uninstall selinux on Ubuntu 18.04

To uninstall only the selinux package we can use the following command:

sudo apt-get remove selinux

Uninstall selinux And Its Dependencies

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

sudo apt-get -y autoremove selinux

Remove selinux Configurations and Data

To remove selinux configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge selinux

Remove selinux configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge selinux

References

Summary

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