Linux Server Administration: DHCP, DNS, and Directory Services

Setting up a reliable network infrastructure requires a solid understanding of core Linux services. Knowing how to configure DHCP, DNS, and directory services is a fundamental skill for any aspiring systems administrator. This text-based course guides you through the process of setting up these critical services on a Linux server. You will transition from understanding basic networking concepts to confidently deploying, managing, and securing essential infrastructure components. What you will learn: Learn the foundational terminology of IP networking, domain resolution, and centralized authentication; Configure a Linux-based DHCP server to automate dynamic IP address assignment across your network; Set up and manage a secure DNS server, including zone files, forwarders, and modern DNSSEC security basics; Implement directory services using OpenLDAP to centralize user authentication and system access; Manage and troubleshoot services efficiently using modern systemd commands and network diagnostic tools; Apply basic security practices and firewall rules to protect your infrastructure services from unauthorized access. The course begins with core definitions and network protocols, then guides you step-by-step through configuration files, service management, and practical troubleshooting scenarios. Designed for beginners and aspiring Linux administrators, this course requires no prior server administration experience. Start reading today to build your own robust and secure Linux network services.