Ubuntu Unlocked: The Complete Beginner’s Guide to Linux Freedom (The Developer's Guide series)
Linux Kernel Fundamentals: Step-by-Step Guide for Beginners to Learn Processes, Memory, and Filesystems
Arch Linux From Beginner to Pro: Complete Step-by-Step Guide to Installing, Configuring, Managing Packages, Customizing, and Optimizing Arch Linux for Beginners and Intermediates
Ubuntu LTS User Guide for IT Professionals: Practical System Administration, Security Hardening, and Real‑World Deployment Techniques.
The Confident Linux mint 22 user guide: Installation, Stability, and Productivity with the Cinnamon Desktop
Mastering iptables
Debian 12 for Beginners: Step-by-Step Installation, Dual-Boot Setup, Driver Fixes, and Everyday Linux Skills for New Desktop Users (Linux distros)
Linux Programming: The Definitive Handbook of Linux Programming Techniques for Developers and Engineers