How To Install ruby-selinux on Ubuntu 18.04
Introduction
In this tutorial we learn how to install ruby-selinux on Ubuntu 18.04.
What is ruby-selinux
ruby-selinux is:
This package provides the Ruby bindings needed for developing Ruby SELinux applications. 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-selinux 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 ruby-selinux 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-selinux using apt-get by running the following command:
sudo apt-get -y install ruby-selinux
Install ruby-selinux Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ruby-selinux using apt by running the following command:
sudo apt -y install ruby-selinux
Install ruby-selinux 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 ruby-selinux using aptitude by running the following command:
sudo aptitude -y install ruby-selinux
How To Uninstall ruby-selinux on Ubuntu 18.04
To uninstall only the ruby-selinux package we can use the following command:
sudo apt-get remove ruby-selinux
Uninstall ruby-selinux And Its Dependencies
To uninstall ruby-selinux and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove ruby-selinux
Remove ruby-selinux Configurations and Data
To remove ruby-selinux configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge ruby-selinux
Remove ruby-selinux configuration, data, and all of its dependencies
We can use the following command to remove ruby-selinux configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ruby-selinux
References
Summary
In this tutorial we learn how to install ruby-selinux package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
