System Administration and Network Infrastructure Fundamentals

Modern IT environments rely on dependable system administrators to keep networks secure, servers reliable, and infrastructure running smoothly. This foundational text course guides you through the essential concepts of system administration, network maintenance, and modern IT practices. What you'll learn: Understand core networking principles, IP addressing, and subnetting fundamentals. Manage operating systems, user accounts, file permissions, and directory services. Configure essential network services, basic firewalls, and system security controls. Explore virtualization basics and modern container fundamentals. Apply structured troubleshooting methodologies and basic system automation. The material begins with foundational terminology and core architecture concepts before moving into practical administrative workflows and infrastructure management techniques. This course is ideal for beginners with no prior background in IT administration looking to build practical, real-world knowledge. Start reading today to build a strong foundation in system and network administration.