How To Install policycoreutils on CentOS 7
Introduction
In this tutorial we learn how to install policycoreutils on CentOS 7.
What is policycoreutils
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. policycoreutils contains the policy core utilities that are required for basic operation of a SELinux system. These utilities include load_policy to load policies, setfiles to label filesystems, newrole to switch roles.
We can use yum or dnf to install policycoreutils on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install policycoreutils.
Install policycoreutils on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install policycoreutils using yum by running the following command:
sudo yum -y install policycoreutils
Install policycoreutils on CentOS 7 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 policycoreutils using dnf by running the following command:
sudo dnf -y install policycoreutils
How To Uninstall policycoreutils on CentOS 7
To uninstall only the policycoreutils package we can use the following command:
sudo dnf remove policycoreutils
References
Summary
In this tutorial we learn how to install policycoreutils on CentOS 7 using yum and dnf.
