Linux Networking: From Basics to Core Administration

Every robust system administration and IT role requires a solid grasp of how systems communicate over a network. Understanding Linux networking is the key to configuring services, troubleshooting connectivity, and securing data flow. This text-based course guides you through the foundational concepts and practical commands of Linux networking. You will transition from understanding basic IP addressing to managing live network services and diagnosing complex connection issues. What you'll learn: - Understand core networking terminology, protocols, and the OSI model in a Linux context - Configure network interfaces using modern iproute2 tools and NetworkManager CLI - Manage essential network services including DHCP, DNS, and SSH - Troubleshoot connectivity issues using diagnostic tools like ping, traceroute, and ss - Implement basic firewall rules and security practices to protect network traffic - Explore modern container networking concepts to understand virtual environments The course starts with essential networking definitions and foundational concepts before moving into hands-on configuration files, command-line utilities, and real-world troubleshooting scenarios. You will read clear explanations and analyze command-line examples to build practical skills. Designed for aspiring system administrators, IT support specialists, and beginners with basic Linux command-line familiarity who want to master networking. No prior networking experience is required. Start reading today to build a strong foundation in Linux networking.