This book examines Fedora 10 topics in system administration, security, file systems, devices, networking, and servers, including the Fedora configuration utilities. System administration covers software installation and update with PackageKit, user management, start up and service management using Upstart, kernel configuration, virtualization, system logs, and shell configuration. Security includes PolicyKit authorization, encryption, SSH, SE Linux, firewalls. Device and file system management topics cover udev, the Hardware Abstraction Layer (HAL), LVM, RAID, and backups. Networking topics include network connections, IP network administration, service management, the Domain Name System, DHCP, and network servers. Servers examined include Web, FTP, Postfix, CUPS, NFS, and Samba.