How To Install libselinux on CentOS 8
Introduction
In this tutorial we learn how to install libselinux on CentOS 8.
What is libselinux
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. libselinux provides an API for SELinux applications to get and set process and file security contexts and to obtain security policy decisions. Required for any applications that use the SELinux API. 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. libselinux provides an API for SELinux applications to get and set process and file security contexts and to obtain security policy decisions. Required for any applications that use the SELinux API. 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. libselinux provides an API for SELinux applications to get and set process and file security contexts and to obtain security policy decisions. Required for any applications that use the SELinux API.
We can use yum or dnf to install libselinux on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install libselinux.
Install libselinux on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install libselinux using yum by running the following command:
sudo yum -y install libselinux
Install libselinux on CentOS 8 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install libselinux using dnf by running the following command:
sudo dnf -y install libselinux
How To Uninstall libselinux on CentOS 8
To uninstall only the libselinux package we can use the following command:
sudo dnf remove libselinux
References
Summary
In this tutorial we learn how to install libselinux on CentOS 8 using yum and dnf.