Book Image

Getting started with SELinux System Administration [Video]

By : Sven Vermeulen
Book Image

Getting started with SELinux System Administration [Video]

By: Sven Vermeulen

Overview of this book

Do you have the crucial job of protecting your private and company systems from malicious attacks and undefined application behavior? Are you looking to secure your Linux systems with improved access controls? Look no further, intrepid administrator! This course will show you how to enhance your system's secure state across Linux distributions, helping you keep application vulnerabilities at bay. This video course covers the core SELinux concepts and shows you how to leverage SELinux to improve the protection measures of a Linux system. You will learn the SELinux fundamentals and all of SELinux's configuration handles including conditional policies, constraints, policy types, and audit capabilities. These topics are paired with genuine examples of situations and issues you will probably come across as an administrator.
Table of Contents (5 chapters)
Chapter 3
Managing User Logins
Content Locked
Section 3
Handling SELinux Roles
We saw how SELinux users define the role(s) that a user can be in. But how does SELinux enforce which role a user logs on through? And when logged on, how can a user switch his active role? Let’s answer to this question with this video. - Define allowed SELinux contexts and validate these with getseuser - Switch roles with newrole and reach other domains using runcon - Switch to the system role