Free Sample Chapters

A beginner-friendly, step-by-step introduction to Debian Linux. Learn how to install, use, and maintain Debian with no prior Linux experience required.

Learn how to install, manage, and secure Debian 13 systems. A practical guide to Debian administration, APT package management, networking, security hardening, and server deployment.

Harden your Debian systems with practical, distribution-specific security guidance. Learn firewalls, SSH protection, permissions, AppArmor, updates, and auditing—using Debian-native tools and real-world best practices.

Master Debian system administration for stable, secure production environments. Learn installation, APT, release management, systemd, networking, storage, security hardening, automation, backups, and long-term maintenance.

Master Debian Linux from installation to advanced administration. Learn system management, networking, security, performance, and real-world server deployment.

Master Debian Linux step-by-step — from your first install to advanced server administration, shell scripting, security hardening, and real-world service deployment. 15 progressive chapters + 4 reference appendices.

Master Ubuntu from first boot to professional administration. A complete, hands-on guide covering installation, command line, users, networking, security, scripting, and real-world troubleshooting.

Master Ubuntu 24.04 LTS server administration. Install, secure, configure networking, manage services, implement backups, and deploy production-ready Ubuntu servers.

Switch from Windows to Ubuntu with confidence. Learn installation, daily usage, software alternatives, security, and customization-explained clearly for Windows users with no Linux experience.

Master Ubuntu Server administration from installation to production operations. Learn APT and Snap, users and permissions, systemd, networking, storage, security, backups, automation, cloud deployments, and troubleshooting.