Fedora 9 Administration and Security examines topics in system administration, security, and file and device management, including the Fedora system-config administration tools. System administration covers software installation and update with PackageKit, User management, start up and service management using Upstart, virtualization, and system logs, and shell configuration. Security includes PolicyKit authorization, public and private key encryption (GPG and seahorse), SE Linux, firewalls using IPtables, the Secure SHell (SSH), and Kerberos. Device and file system management topics cover udev, the Hardware Abstraction Layer (HAL), Logical Volume Manager (LVM), Linux software RAID, and backups.