The Linux Command Line, 2nd Edition: A Complete Introduction

Command Line Pocket Reference: The perfect pocket guide for Linux and Unix command line commands

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

Learn PowerShell Scripting in a Month of Lunches, Second Edition: Write and organize scripts and tools

Mastering Debian Linux: From Beginner to Advanced

Pro Git

FreeBSD Mastery: ZFS (IT Mastery)

FreeBSD Mastery: Advanced ZFS (IT Mastery)

Linux Mint 22: Desktops and Administration

Mastering Embedded Linux Programming: Create fast and reliable embedded solutions with Linux 5.4 and the Yocto Project 3.1 (Dunfell), 3rd Edition

Ansible for DevOps: Server and configuration management for humans

Kali Linux Hacking: A Complete Step by Step Guide to Learn the Fundamentals of Cyber Security, Hacking, and Penetration Testing. Includes Valuable Basic Networking Concepts.

Cybersecurity: The Beginner's Guide: A comprehensive guide to getting started in cybersecurity

Linux Bible

Basic Security Testing with Kali Linux, Fourth Edition

Mastering Embedded Linux Programming: Create fast and reliable embedded solutions with Linux 5.4 and the Yocto Project 3.1 (Dunfell)

pfSense Essentials: The Complete Reference to the pfSense Internet Gateway and Firewall

Ansible for DevOps: Server and configuration management for humans

LFM: Linux Field Manual

The Linux Command Line, 2nd Edition: A Complete Introduction

Ansible DevOps Cookbook: End-to-end devops automation including setup, playbooks, cloud services, CI/CD integration, and ansible tower management

The Kubernetes Book

Linux for Beginners: An Introduction to the Linux Operating System and Command Line

Kubernetes – An Enterprise Guide: Master containerized application deployments, integrate enterprise systems, and achieve scalability

The Ultimate Linux Shell Scripting Guide: Automate, Optimize, and Empower tasks with Linux Shell Scripting

Bash Pocket Reference: Help for Power Users and Sys Admins

CompTIA Linux+ Study Guide: Exam XK0-005 (Sybex Study Guide)

Site Reliability Engineering: How Google Runs Production Systems