Section I: Essentials
- Essential initial topics in system administration, including editors, switching accounts, adding users, using cron, and managing network connections
Section II: Kernel Services
- The Linux kernel: variants and modules
- The /proc filesystem and the sysctl command
- Accessing devices using udev
- Exploring hardware
Section III: Filesystem Management
- Creating filesystems
- Making filesystem mounts persistent across reboots
- Managing swap space
Section IV: User Administration
- Modifying and deleting user accounts
- Password aging
- Group administration
- Creating group directories
- Setting disk quotas
Section V: Local Security
- Setting up a host-based firewall
- Using access control lists
- The SELinux security layer
- Managing suid and sgid executables
- Controlling access to superuser authority using sudo
Section VI: Advanced Partitioning
- Understanding and implementing Software RAID
- Understanding Logical Volume Management
- Creating and resizing logical volumes
Section VII: Installation
- The interactive Anaconda installer
- Kickstart: a hands-free method of installation
Section VIII: System Initialization
- Understanding the boot procedure
- Configuring the GRUB boot loader
- The Initial RAM Disk
- Understanding run levels
- Controlling services
Section IX: RPM, YUM, RHN
- RPM: The Red Hat Package Manager
- The YUM installer
- Using the Red Hat Network
Section X: System Administration Topics
- Configuring the X Server
- The CUPS printing system
- cron and the superuser: the system-wide crontab file
- cron and system reboots: the anacron system
- Authentication Configuration: Pluggable Authentication Modules
Section XI: Network Configuration
- Understanding network addresses
- Using OpenSSH for network communications
- Using VNC for network communications
- Network Authentication
Section XII: Network Security
- Protecting services using TCP Wrappers
- Protecting the system using a packet filtering host-based firewall
Section XIII: Network File Sharing Services
- Setting up an NFS server
- Setting up an FTP server
- The Samba Server: networking with Windows systems
Section XIV: Network Infrastructure
- Creating a private repository
- NTP: Coordinating time
- Configuring a DHCP server
- Configuring a DNS server
Section XV: HTTP Service
- Configuring the Apache web server
- Configuring the Squid web proxy cache
Section XVI: Mail Service
- Understanding e-mail delivery
- Using sendmail and postfix
- Dovecot: an IMAP and POP server
Section XVII: Troubleshooting
- A method for fault analysis
- Things to check
- Understanding recovery run levels
- Using the rescue environment
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