How To Install ruby-semanage on Debian 9

In this tutorial we learn how to install ruby-semanage on Debian 9. ruby-semanage is Ruby bindings to for SELinux policy management

Introduction

In this tutorial we learn how to install ruby-semanage on Debian 9.

What is ruby-semanage

ruby-semanage is:

This package provides the Ruby bindings needed for developing Ruby applications that manage SELinux policies.

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.

There are three methods to install ruby-semanage on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install ruby-semanage Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install ruby-semanage

Install ruby-semanage Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ruby-semanage

Install ruby-semanage 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install ruby-semanage using aptitude by running the following command:

sudo aptitude -y install ruby-semanage

How To Uninstall ruby-semanage on Debian 9

To uninstall only the ruby-semanage package we can use the following command:

sudo apt-get remove ruby-semanage

Uninstall ruby-semanage And Its Dependencies

To uninstall ruby-semanage and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove ruby-semanage

Remove ruby-semanage Configurations and Data

To remove ruby-semanage configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge ruby-semanage

Remove ruby-semanage configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ruby-semanage

Dependencies

ruby-semanage have the following dependencies:

References

Summary

In this tutorial we learn how to install ruby-semanage package on Debian 9 using different package management tools: apt, apt-get and aptitude.