This comprehensive book covers system administration through capturing the process of building a system from the ground-up. Case studies and real-world examples are based on the author's extensive experience and reveal underlying concepts and valuable insights into how both small and large environments are administered. Its featured practical exercises which focus on examples from long-lasting and emerging or old technologies that recently found wider adoption allow for immediate application of the core principles in ways that provide readers and students with valuable expertise that is currently in high demand.