How To Install policycoreutils-gui on Ubuntu 18.04

In this tutorial we learn how to install policycoreutils-gui on Ubuntu 18.04. policycoreutils-gui is SELinux core policy utilities (graphical utilities)

Introduction

In this tutorial we learn how to install policycoreutils-gui on Ubuntu 18.04.

What is policycoreutils-gui

policycoreutils-gui 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 system-config-selinux and the selinux-polgengui utilities.

There are three methods to install policycoreutils-gui 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 policycoreutils-gui Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install policycoreutils-gui

Install policycoreutils-gui Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install policycoreutils-gui

Install policycoreutils-gui 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 policycoreutils-gui using aptitude by running the following command:

sudo aptitude -y install policycoreutils-gui

How To Uninstall policycoreutils-gui on Ubuntu 18.04

To uninstall only the policycoreutils-gui package we can use the following command:

sudo apt-get remove policycoreutils-gui

Uninstall policycoreutils-gui And Its Dependencies

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

sudo apt-get -y autoremove policycoreutils-gui

Remove policycoreutils-gui Configurations and Data

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

sudo apt-get -y purge policycoreutils-gui

Remove policycoreutils-gui configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge policycoreutils-gui

References

Summary

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