How To Install libsepol2 on Ubuntu 22.04
Introduction
In this tutorial we learn how to install libsepol2
on Ubuntu 22.04.
What is libsepol2
libsepol2 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.
libsepol provides an API for the manipulation of SELinux binary policies. It is used by checkpolicy (the policy compiler) and similar tools, as well as by programs like load_policy that need to perform specific transformations on binary policies such as customizing policy boolean settings.
There are three methods to install libsepol2
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 libsepol2 Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install libsepol2
using apt-get
by running the following command:
sudo apt-get -y install libsepol2
Install libsepol2 Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install libsepol2
using apt
by running the following command:
sudo apt -y install libsepol2
Install libsepol2 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 libsepol2
using aptitude
by running the following command:
sudo aptitude -y install libsepol2
How To Uninstall libsepol2 on Ubuntu 22.04
To uninstall only the libsepol2
package we can use the following command:
sudo apt-get remove libsepol2
Uninstall libsepol2 And Its Dependencies
To uninstall libsepol2
and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove libsepol2
Remove libsepol2 Configurations and Data
To remove libsepol2
configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge libsepol2
Remove libsepol2 configuration, data, and all of its dependencies
We can use the following command to remove libsepol2
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libsepol2
References
Summary
In this tutorial we learn how to install libsepol2
package on Ubuntu 22.04 using different package management tools: apt
, apt-get
and aptitude
.