Linux: Powerful Server Administration

Mastering CentOS 7 Linux Server

Fundamentals of Linux: Explore the essentials of the Linux command line

CentOS System Administration Essentials

Troubleshooting CentOS

Linux Basics for Hackers: Getting Started with Networking, Scripting, and Security in Kali

CentOS 6 Linux Server Cookbook

Penetration Testing with Raspberry Pi

Linux Kernel Development: Edition 3

How Linux Works, 3rd Edition: What Every Superuser Should Know

vi Editor Pocket Reference

Linux in a Nutshell: A Desktop Quick Reference, Edition 6

Easy Linux Device Driver, Second Edition: First Step Towards Device Driver Programming

Learning the bash Shell: Unix Shell Programming, Edition 3

The Linux Programming Interface: A Linux and UNIX System Programming Handbook

DevOps Troubleshooting: Linux Server Best Practices

CentOS High Availability

Linux Device Drivers: Where the Kernel Meets the Hardware, Edition 3