Unit 1 - Linux Ideas and History
An Introduction to Linux and Open Source: what are the central ideas behind the Linux phenomenon and where do they come from?

Unit 2 - Linux Usage Basics
Logging into the system, changing users and editing text files.

Unit 3 - Running Commands and Getting Help
How to use built-in and online documentation to enhance your experience.

Unit 4 - Browsing the Filesystem
Understanding the locations of important directories on a Red Hat Enterprise Linux system and navigating them from the command line and using the graphical Nautilus browser.

Unit 5 - Users, Groups and Permissions
Reading and setting permissions on files and directories.

Unit 6 - Using the bash Shell
Basic tips and tricks to make Red Hat Enterprise Linux's default shell work for you. Topics include tab completion, history and an introduction to shell scripting.

Unit 7 - Standard I/O and Pipes
The ins-and-outs of redirecting output between programs and files.

Unit 8 - Text Processing Tools
An introduction to some of the most useful text-processing utilities in Red Hat Enterprise Linux, including grep, cut, sed, sort, diff and patch.

Unit 9 - vim: An Advanced Text Editor
How to get the most out of the powerful and flexible vim text editor.

Unit 10 - Basic System Configuration Tools
Using Red Hat Enterprise Linux's graphical and text-based configuration tools to manage networking, printing and date/time settings.

Unit 11 - Investigating and Managing Processes
Listing, terminating and scheduling program executions on a Red Hat Enterprise Linux system.

Unit 12 - Configuring the Bash Shell
A discussion of using shell variables and scripts to customize the command-line environment.

Unit 13 - Finding and Processing Files
In-depth coverage of using the find command and related utilities to locate and act upon files based on arbitrary criteria .

Unit 14 - Network Clients
An overview of network tools available in Red Hat Enterprise linux, from web browsers to email clients and diagnostic utilities.

Unit 15 - Advanced Topics in Users, Groups and Permissions
A deeper discussion of how user and group identities are stored on a Red Hat Enterprise Linux system, as well as the introduction of advanced filesystem permissions like SetUID and SetGID.

Unit 16 - The Linux Filesystem In-Depth
The nuts-and-bolts of how Red Hat Enterprise Linux deals with filesystems. Topics include partitions, inodes, linking and archiving tools.

Unit 17 - Essential System Administration Tools
An introduction to fundamental system administration topics such as installing Red Hat Enterprise Linux, managing software packages, and enhancing security with SELinux and the netfilter firewall.

Unit 18 - So... What Now?
Exposure to further options for training and involvement in the larger open-source community.

UNIT 1 - Installation

• Hardware Overview
• CPU and Memory
• Preparing to Install
• Multiboot systems
• The RHEL Installer
• Installer Features
• RHEL Installation Overview
• Partitioning Hard Drives
• Sample Partition Structure
• Configuring File Systems
• Software RAID
• LVM: Logical Volume Manager
• Network Configuration
• Firewall Setup
• Security Enhanced Linux
• SELinux Installation Options and Control
• Package Selection
• Validating the Installation
• noprobe Mode and Driver Disks
• Post-Install Configuration
• Hands-on Lab: Installation

UNIT 2 - System Initialization and Services

• Boot Sequence Overview
• BIOS Initialization
• Boot Loader Components
• GRUB and grub.conf
• Kernel Initialization
• init Initialization
• Run levels
• /etc/rc.d/rc.sysinit
• /etc/rc.d/rc
• Daemon Processes
• System V run levels
• /etc/rc.d/rc.local
• Virtual Consoles
• Controlling Services
• System Shutdown
• System Reboot
• Hands-on Lab: Managing Startup
  
  
  
  
  

UNIT 3 - Kernel Services and Configuration

• Objectives
• Agenda
• Kernel Modules
• Kernel Module Configuration
• The /proc filesystem
• /proc/sys configuration with sysctl
• General Hardware Resources
• System Bus Support
• Hotswappable Bus Support
• System Monitoring and Process Control
• Hands-on Lab: Configuring kernel parameters
  
  
  

UNIT 4 - Filesystem Management

• System Initialization: Device Recognition
• Disk Partitioning
• Managing Partitions
• Managing Data: Filesystem Creation
• Journaling for ext2 filesystems: ext3
• Mount Options and Configuration
• The Auto-Mounter
• ext2/ext3 Filesystem Attributes
• Virtual Memory Files
• Filesystem Maintenance
• Adding a Drive
• Hands-on Lab: Filesystem Management

UNIT 5 - Network Configuration

• Device Recognition
• Network Interfaces
• mii-tool
• ifconfig
• ifup/ifdown
• Interface Configuration Files
• Configuration Utilities
• Binding Multiple IP Addresses
• DHCP/BOOTP
• Global Network Parameters
• Default Route
• Static Routes
• Name Resolution
• DNS Client Configuration
• DNS Utilities
• Network Diagnostics
• Hands-on Lab: Static Network Settings
  
  

UNIT 6 - RPM and Kickstart

• The RPM Way
• RPM Package Manager
• Installing and Removing Software
• Updating a Kernel RPM
• RPM Queries
• RPM Verification
• Other RPM Utilities and Features
• Automatic Dependency
• Resolution
• Red Hat Network (RHN)
• RHN in the Enterprise
• RHN Registration
• The up2date utility
• Remote Administration
• Network Installation Server
• Using Kickstart to Automate Installation
• Hands-on Lab: RPM and Kickstart

UNIT 7 - User Administration

• User Policy Considerations
• The User Account Database - /etc/passwd
• Adding a New User Account
• User Private Groups
• Group Administration
• Modifying/Deleting Accounts
• Password Aging Policies
• Login Shell Scripts
• Non Login Shell Scripts
• Switching Accounts
• sudo
• Network Users
• Authentication Configuration
• NIS Client Configuration
• LDAP Client Configuration
• File Ownership
• Linux File Permissions
• SUID / SGID Executables
• The Sticky Bit
• The Setgid Access Mode
• Default File Permissions
• Access Control Lists (ACLs)
• SELinux
• Controlling SELinux
• SELinux Contexts
• Troubleshooting SELinux
  Hands-on Lab: User and Group Administration

UNIT 8 - Printing and Administration Tools

• CUPS: Common Unix Printing System
• Controlling Access to cron
• System crontab Files
• System Logging
• syslog Configuration
• Tape Drives
• Using tar/star
• Using dump/restore
• Using cpio
• Remote Backups
• Other Backup Software
• Hands-on Lab: Printing and Admin Tools

UNIT 9 - The X Window System

• XOrg: The X11 Server
• XOrg Server Design
• XOrg Server Configuration
• XOrg Modularity
• Server and Client Relationship
• Configuration Utilities
• Remote X Sessions
• Hands-on Lab: The X Window System

UNIT 10 - Advanced Filesystem Management

• Software RAID Configuration
• Software RAID Recovery
• Converting LVM1 to LVM2
• Creating Logical Volumes
• Resizing Logical Volumes
• The Linux Quota System
• Hands-on Lab: Logical Volumes, RAID and Quotas
  
  

UNIT 11 - Troubleshooting

• Basic Guidelines
• Troubleshooting X
• Troubleshooting Networking
• Order of the Boot Process
• Filesystem Corruption
• Filesystem Recovery
• Recovery Run-levels
• Rescue Environment
• Hands-on Lab: System Rescue and Troubleshooting

Unit 1: System Performance and Security

• Concepts and Practices
• System Faults and Breaches
• Method of Fault Analysis
• Benefits of System Monitoring
• Managing Processes by Account
• Hands-on lab: System Monitoring

Unit 2: System Service Access Controls

• Service and Network Access Controls
• System Initialization and Service Management
• Service and Application Access Controls
• tcp_wrappers Configuration
• Security Enhanced Linux (SELinux)
• Hands-on Lab: Controlling access to certain hosts

Unit 3: Network Resource Access Controls

• Internet Protocol and Routing
• IPv6: Dynamic Interface Configuration
• IPv6: StaticInterface Configuration
• IPv6: Routing Configuration
• Netfilter Overview
• Rules: General Considerations
• Connection Tracking
• Network Address Translation (NAT)
• IPv6 and ip6tables
• Hands-on Lab: Securing Networking

Unit 4: Organizing Networked Systems

• Host Name Resolution
• DNS-Specific Resolvers
• Trace a DNS Query with dig
• Exploring DNS with host
• Service Profile: DNS
• Getting Started with BIND
• bind-chroot Package
• caching-nameserver Package
• Remote Name Daemon Control (rndc)
• The DHCP Service
• DHCP Overview
• Configuring an IPv4 DHCP Server
• Hands-on Lab: Implement a Minimal DNS Server

Unit 5: Network File Sharing Services

• File Transfer Protocol (FTP)
• Network File Service (NFS)
• Port options for the Firewall
• Samba services
• Configuring Samba
• Hands-on Lab: Network File Sharing Services
  
  
  

Unit 6: Web Services

• Apache Overview
• Apache Server Configuration
• Virtual Hosts
• Apache Access Configuration
• CGI
• Apache Encrypted Web Server
• Squid Web Proxy Cache
• Hands-on Lab: Implementing Web (HTTP) Services

Unit 7: Electronic Mail Services

• Essential Email Operation
• Simple Mail Transport Protocol
• Sendmail SMTP Restrictions
• Sendmail Operation
• Using alternatives to Switch MTAs
• Postfix Configuration
• Postfix SMTP Restrictions
• Postfix Operation
• Mail Retrieval Protocols
• Hands-on Lab: Electronic Mail

Unit 8: Securing Data

• The Need For Encryption
• Symmetric Encryption
• Asymmetric Encryption
• Public Key Infrastructures
• Digital Certificates
• Hands-on Lab: Securing Data

Unit 9: Account Management

• Account Management
• Account Information (Name Service)
• Name Service Switch (NSS)
• Pluggable Authentication Modules (PAM)
• PAM Operation
• Utilities and Authentication
• Hands-on Lab: Account Management Methods