This book approaches system administration in a practical way and is an invaluable reference for both new administrators and experienced professionals. It details best practices for every facet of system administration, including storage management, network design and administration, email, web hosting, scripting, software configuration management, performance analysis, Windows interoperability, virtualization, DNS, security, management of IT service organizations, and much more. Chapter 1 Where to Start Chapter 2 Scripting and the Shell Chapter 3 Booting and Shutting Down Chapter 4 Access Control and Users Chapter 5 Processes Chapter 6 Filesystem and Storage Chapter 7 Backups Chapter 8 Software Installation and Management Chapter 9 Drivers and the Kernel Chapter 10 Networking and Routing Chapter 11 Network File Sharing Chapter 12 DNS: The Domain Name System Chapter 13 Electronic Mail Chapter 14 Network Management and Debugging Chapter 15 Security Chapter 16 Web Hosting Chapter 17 Printing Chapter 18 Virtualization Chapter 19 The X Window System Chapter 20 Cooperating with Windows Chapter 21 Network Hardware (online) Chapter 23 Data Center Basics (online) Chapter 24 Green IT (online) Chapter 25 Serial Devices and Terminals (online) Chapter 26 Management, Policy and Politics (online)