Configuring Linux Servers: DHCP, DNS, and Directory Services

Setting up a reliable network infrastructure is a core skill for any system administrator, yet configuring core services can feel overwhelming. This course demystifies the setup and management of critical network services on Linux. You will transition from understanding basic networking concepts to confidently deploying and securing DHCP, DNS, and directory services. Through clear explanations and practical examples, you will learn how these protocols interact to form a functional, secure network. What you'll learn: • Understand the foundational concepts of IP addressing, name resolution, and user authentication. • Configure and manage a Linux-based DHCP server to automate network IP assignment. • Build and secure a DNS server using modern best practices for domain name resolution. • Deploy directory services to centralize user management and access control across your network. • Implement modern security measures, including basic firewall rules and service isolation. • Troubleshoot common service configuration errors using standard Linux diagnostic tools. The course begins with core definitions and network protocols before guiding you through step-by-step configuration file structures, practical administration tasks, and troubleshooting scenarios. This text-only course is designed for aspiring system administrators and IT professionals new to Linux infrastructure, requiring no advanced prior networking experience. Start reading today to master the backbone of modern Linux network administration.