Ubuntu System Administration Guide: Ubuntu Desktop, Server, security, and DevOps automation (English Edition)

Linux Administration: A Beginner's Guide, Eighth Edition (NETWORKING & COMM - OMG)

Linux Server Cookbook: Get Hands-on Recipes to Install, Configure, and Administer a Linux Server Effectively (English Edition)

The Linux Command Line Beginner's Guide

Mastering Linux System Administration by Christine Bresnahan PAPERBACK