How To Install selinux-policy-default on Ubuntu 18.04

In this tutorial we learn how to install selinux-policy-default on Ubuntu 18.04. selinux-policy-default is Strict and Targeted variants of the SELinux policy

Introduction

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

What is selinux-policy-default

selinux-policy-default is:

This is the reference policy for SE Linux. In the default configuration it will provide the functionality previously known as the “targeted” policy. If the module “unconfined” is removed then it provides the functionality previously known as the “strict” policy.

This uses the MMCS system of categories.

There are three methods to install selinux-policy-default 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-policy-default 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-policy-default using apt-get by running the following command:

sudo apt-get -y install selinux-policy-default

Install selinux-policy-default Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install selinux-policy-default

Install selinux-policy-default 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-policy-default using aptitude by running the following command:

sudo aptitude -y install selinux-policy-default

How To Uninstall selinux-policy-default on Ubuntu 18.04

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

sudo apt-get remove selinux-policy-default

Uninstall selinux-policy-default And Its Dependencies

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

sudo apt-get -y autoremove selinux-policy-default

Remove selinux-policy-default Configurations and Data

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

sudo apt-get -y purge selinux-policy-default

Remove selinux-policy-default configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge selinux-policy-default

References

Summary

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