Xen, the open source virtualization tool, is a system administrator's dream. Xen is a free, high-performance virtual machine monitor that lets you consolidate your hardware and finally put those unused cycles to use—without sacrificing reliability, performance, or scalability.The Book of Xen explains everything you need to know in order to use Xen effectively, including installation, networking, memory management, and virtualized storage. You'll also learn how to use Xen and standard Linux tools to take snapshot backups, perform QoS operations on network traffic, and limit over-aggressive disk users.Authors Chris Takemura and Luke S. Crawford show you how to:Provide virtual hosting for dozens of users, each with their own individual needsInstall and manage multiple guests, including various flavors of Linux, NetBSD, Solaris, and WindowsChoose the right virtual storage options for your needsMigrate your systems seamlessly and create new imagesTune and benchmark your systems to make them as fast as possibleTroubleshoot Xen's most common problems like network and memory management