How To Install semodule-utils on Ubuntu 18.04

In this tutorial we learn how to install semodule-utils on Ubuntu 18.04. semodule-utils is SELinux core policy utilities (modules utilities)

Introduction

In this tutorial we learn how to install semodule-utils on Ubuntu 18.04.

What is semodule-utils

semodule-utils is:

Security-enhanced Linux is a patch of the Linux® kernel and a number of utilities with enhanced security functionality designed to add mandatory access controls to Linux. The Security-enhanced Linux kernel contains new architectural components originally developed to improve the security of the Flask operating system. These architectural components provide general support for the enforcement of many kinds of mandatory access control policies, including those based on the concepts of Type Enforcement®, Role-based Access Control, and Multi-level Security.

This package contains the tools used to build policy modules in an SELinux environment.

There are three methods to install semodule-utils 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 semodule-utils Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install semodule-utils

Install semodule-utils Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install semodule-utils

Install semodule-utils 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 semodule-utils using aptitude by running the following command:

sudo aptitude -y install semodule-utils

How To Uninstall semodule-utils on Ubuntu 18.04

To uninstall only the semodule-utils package we can use the following command:

sudo apt-get remove semodule-utils

Uninstall semodule-utils And Its Dependencies

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

sudo apt-get -y autoremove semodule-utils

Remove semodule-utils Configurations and Data

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

sudo apt-get -y purge semodule-utils

Remove semodule-utils configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge semodule-utils

References

Summary

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