How To Install libsepol on AlmaLinux 8

In this tutorial we learn how to install libsepol in AlmaLinux 8. libsepol is SELinux binary policy manipulation library

Introduction

In this tutorial we learn how to install libsepol on AlmaLinux 8.

What is libsepol

Security-enhanced Linux is a feature 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.

We can use yum or dnf to install libsepol on AlmaLinux 8. In this tutorial we discuss both methods but you only need to choose one of method to install libsepol.

Install libsepol on AlmaLinux 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

After updating yum database, We can install libsepol using dnf by running the following command:

sudo dnf -y install libsepol

Install libsepol on AlmaLinux 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

After updating yum database, We can install libsepol using yum by running the following command:

sudo yum -y install libsepol

How To Uninstall libsepol on AlmaLinux 8

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

sudo dnf remove libsepol

References

Summary

In this tutorial we learn how to install libsepol on AlmaLinux 8 using yum and dnf.