Hands-on Guide to the Red Hat Exams: RHSCA and RHCE Cert Guide and Lab Manual

Chapter 11. SELinux

This chapter covers the following subjects:

• Understanding SELinux—This section covers how SELinux works and how to configure it.

• SELinux Troubleshooting—This section describes how to troubleshoot SELinux.

The following RHCSA exam objectives are covered:

• Set enforcing and permissive modes for SELinux

• List and identify SELinux and file process context

• Restore default file contexts

• Use Boolean settings to modify system SELinux settings

• Diagnose and address routine SELinux policy violations

Security Enhanced Linux (SELinux) is another layer of security for the Linux operating system. Developed by the National Security Agency (NSA), it adds protection for different files, applications, processes, and so on. Many users ...