How To Install newrole on Ubuntu 22.04

In this tutorial we learn how to install newrole on Ubuntu 22.04. newrole is SELinux core policy utilities (newrole application for RBAC/MLS)

Introduction

In this tutorial we learn how to install newrole on Ubuntu 22.04.

What is newrole

newrole 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.

RBAC/MLS policy machines require newrole as a way of changing the role or level of a logged in user.

This package contains newrole to switch roles, run_init to run /etc/init.d scripts in the proper context.

There are three methods to install newrole on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install newrole Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install newrole

Install newrole Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install newrole

Install newrole 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 newrole using aptitude by running the following command:

sudo aptitude -y install newrole

How To Uninstall newrole on Ubuntu 22.04

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

sudo apt-get remove newrole

Uninstall newrole And Its Dependencies

To uninstall newrole and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove newrole

Remove newrole Configurations and Data

To remove newrole configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge newrole

Remove newrole configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge newrole

References

Summary

In this tutorial we learn how to install newrole package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.