| Outline: |
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| Lesson 1: Essentials |
Essential initial topics in system administration, including editors, switching accounts, adding users, using cron, and managing network connections
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| Lesson 2: Kernel Services |
The Linux kernel: variants and modules
The /proc filesystem and the sysctl command
Accessing devices using udev
Exploring hardware
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| Lesson 3: Filesystem Management |
Creating filesystems
Making filesystem mounts persistent across reboots
Managing swap space
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| Lesson 4: User Administration |
Modifying and deleting user accounts
Password aging
Group administration
Creating group directories
Setting disk quotas
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| Lesson 5: 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
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| Lesson 6: Advanced Partitioning |
Understanding and implementing Software RAID
Understanding Logical Volume Management
Creating and resizing logical volumes
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| Lesson 7: Installation |
The interactive Anaconda installer
Kickstart: a hands-free method of installation
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| Lesson 8: System Initialization |
Understanding the boot procedure
Configuring the GRUB boot loader
The Initial RAM Disk
Understanding run levels
Controlling services
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| Lesson 9: RPM, YUM, RHN |
RPM: The Red Hat Package Manager
The YUM installer
Using the Red Hat Network
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| Lesson 10: 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
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| Lesson 11: Network Configuration |
Understanding network addresses
Using OpenSSH for network communications
Using VNC for network communications
Network Authentication
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| Lesson 12: Network Security |
Protecting services using TCP Wrappers
Protecting the system using a packet filtering host-based firewall
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| Lesson 13: Network File Sharing Services |
Setting up an NFS server
Setting up an FTP server
The Samba Server: networking with Windows systems
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| Lesson 14: Network Infrastructure |
Creating a private repository
NTP: Coordinating time
Configuring a DHCP server
Configuring a DNS server
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| Lesson 15: HTTP Service |
Configuring the Apache web server
Configuring the Squid web proxy cache
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| Lesson 16: Mail Service |
Understanding e-mail delivery
Using sendmail and postfix
Dovecot: an IMAP and POP server
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| Lesson 17: Troubleshooting |
A method for fault analysis
Things to check
Understanding recovery run levels
Using the rescue environment |