Server Administration is the task of managing server infrastructure to ensure their performance, security, and availability for end users. Coursera's Server Administration catalogue teaches you the fundamental and advanced concepts of server setup, configuration, and maintenance. You'll learn about various server types like web, mail, and database servers, server virtualization, installing and configuring server software, managing server security, network services, and troubleshooting techniques. Further, you'll delve into performance tuning, backup, and recovery, understanding how to implement scalability and redundancy. This skill will enable you to confidently manage and optimize server resources in IT departments, tech companies, or as an independent IT consultant.