SELinux for Beginners: Secure Linux Servers Through Policy Enforcement, Access Control, and System Hardening

Hardening linux servers

SELinux System Administration Third Edition: Implement mandatory access control to secure applications,...

DEBIAN LINUX SECURITY HARDENING and BEST PRACTICES: Secure Servers Systems with Debian....

Linux Networking & Security for Beginners: Learn Interfaces, Firewalls, VPNs, and Hardening...