Free Sample Chapters

Web Server Configuration, Virtual Hosts, and Core Administration

Design and run DNS & DHCP on Linux with BIND and DHCP server. Learn zones, records, dynamic DNS, security hardening, monitoring, troubleshooting, and scalable architectures.

Build a secure Samba file server on Linux and connect it seamlessly to Windows clients and Active Directory. Learn permissions, shares, security hardening, performance tuning, backups, and troubleshooting.

Design and deploy fault-tolerant Linux clusters using Corosync, Pacemaker, and DRBD. Build highly available web and database services with fencing, quorum, and multi-site failover.

Build and secure a production-ready Linux mail server with Postfix and Dovecot. Covers DNS, TLS, SPF/DKIM/DMARC, spam protection, monitoring, troubleshooting, and backups.

Learn how to set up Linux web servers with Apache and Nginx. Configure virtual hosts, HTTPS with Let’s Encrypt, PHP integration, security best practices, and production-ready deployment.

Learn NGINX from the ground up. Configure web servers, set up reverse proxies, enable HTTPS, and optimize performance with practical examples.

Master Linux service management with systemd. Learn systemctl, journald, service dependencies, custom units, and troubleshooting techniques used in real-world systems.