Ubuntu Server Mastery

Ubuntu Server Mastery: Modern Administration, Networking, and Security on Ubu...

Pro Ubuntu Server Administration

Ubuntu Server Administration: A Comprehensive Guide to Ubuntu Server Installa...

The Official Ubuntu Server Book

Ubuntu Server Operations Handbook: Scalable, Secure, and Automated Linux Serv...

Jude Max Mastering Ubuntu 24.04 LTS (Paperback) Ubuntu Mastery