Configure SELinux

Introduction

Welcome to the Configure SELinux Practice Lab. In this module you will be provided with the instructions and devices needed to develop your hands-on skills.

Learning Outcomes

In this module, you will complete the following exercises:

• Exercise 1 - Configure SELinux

After completing this lab, you will be able to:

• Log into a Linux System
• Configure Network on CentOS
• View Current Status of SELinux
• Change the SELinux Mode
• View SELinux Contexts for Processes, Domain Transitions, and Users
• Install and use the policycoreutils-gui Package

Exam Objectives

The following exam objectives are covered in this lab:

• LPI: 110.1 Perform security administration tasks
• CompTIA: 3.1 Given a scenario, apply or acquire the appropriate user and/or group permissions and ownership.
• CompTIA: 4.4 Given a scenario, analyze and troubleshoot application and hardware issues.

Lab Duration

It will take approximately 1 hour to complete this lab.

Exercise 1 - Configure SELinux

SELinux, Security Enhanced Linux, is enabled by default on CentOS. Its default mode is enforcing, and SELinux should be kept in this mode as a recommended practice.

In this exercise, you will learn to configure SELinux.

Learning Outcomes

After completing this exercise, you will be able to:

• Log into a Linux System
• Configure Network on CentOS
• View Current Status of SELinux
• Change the SELinux Mode
• View SELinux Contexts for Processes, Domain Transitions, and Users
• Install and use the policycoreutils-gui Package