Red Hat Linux Essentials Course

Topics covered on the 5 day Red Hat Linux Essentials course

Introduction

• UNIX
• GNU
• Linux Origins
• Why Linux
• Red Hat Linux
• Linux GUI Environments

Quick Tour

• Local Logins
• Examining the File System
• Device Files
• Linux Processes
• Command-line Shells
• Running Commands
• Determining Options for Commands
• Shell Variables
• Users
• Changing Your Password
• Getting Online Help - man
• Other Help Utilities
• Virtual Consoles

File and Shell Basics

• Current Working Directory
• Changing Directories
• File Names
• System Directories
• Checking Free Space
• File Manipulation
• Directory Manipulation
• Viewing Files
• Pico - A simple File Editor
• File Globbing
• The Home Directory

Users and Groups

• Users and Groups
• The Linux Security Model
• The root User
• System Users and Groups
• User Information Commands
• Changing your identity

File Access Permissions

• Linux File Security
• User Categories
• File Permission Types
• Examining Permissions
• Examining Directories
• Changing Access Permissions
• Changing Permissions
• Default File Permissions

The Linux File System

• Linux System Directories
• Ext2 File System Details
• Hard Links
• Soft (or Symbolic) Links
• Mounting Removable Media
• Mtools Package/Commands
• Locating Files
• The find Command
• Finding and Processing Files
• Creating an Archive
• Extracting an Archive
• Compression Utilities
• Using gzip
• Compressing Archives

String Processing

• Commands: head, tail, wc
• The grep Command and Regular Expressions
• The sort, diff, cut, uniq, paste and tr Commands

Standard I/O and Pipes

• Standard Input and Output
• Redirecting Input
• Redirecting Standard Output
• Redirecting Standard Error
• Using Pipes to connect Processes

Introduction to Processes

• Linux Processes
• Process States
• Viewing/Monitoring Processes
• Sending Signals to Processes
• Process Scheduling Priority
• Foreground Processes
• Background Processes
• Suspending a Process
• Listing Background and Suspended Jobs
• Resuming Suspended Jobs

The bash Shell

• Bash Introduction
• Bash Heritage
• Shell Variables
• Shell vs. Environment Variables
• Common Variables
• Using which
• Command-Line Expansion
• Using nohup
• History - Command Recall
• Command Return Values
• Compound Commands
• Aliases
• Shell Functions
• Startup Scripts
• Login Shells
• Creating Shell Scripts
• Making Scripts Executable
• Generating Output
• Handling Input
• Conditional Execution Using the if Statement
• Conditional Execution Using the case Statement
• The for, while and until Loops
• Using Positional Parameters

X/GNOME/KDE

• The X Window System
• The X Protocol
• Window Managers
• Sawfish
• GNOME
• KDE
• NextStep
• Switchdesk
• Mouse Configuration
• Copy and Paste
• Xfree86 Startup
• Display Managers
• GUI Terminals and Editors
• GNU Midnight Commander
• Web Browsers
• Utilities and Applications
• X Customization

Printing and Mailing

• Printing in Linux
• Printing Commands
• Printing From Applications
• Printing Utilities
• Email Clients
• POP and IMAP
• Email Filtering

Basic Networking

• Basic Commands (ping, host, telnet, ftp)
• Network Browsers
• The R-commands
• Secure Shell

Using the vi Editor

• Overview of vi
• Starting vi
• Editor Modes
• Cursor Movement
• Saving and Exiting vi
• Cut, Copy and Paste
• Undoing Changes
• Searching For Text
• Using Regular Expressions

Sed, awk and perl

• The sed Command
• Addresses
• Scripting
• The awk Command
• Programs and Rules
• Perl Basics

System Tools

• Terminal Configuration
• Getting System Information
• Scheduling Periodic Processes
• Using cron
• The crontab File Format
• RPM Package Manager
• RPM queries
• GnoRPM
• System Administration Duties

Installation

• The Red Hat Installer
• Red Hat Linux Installation
• Partitioning Hard Drives
• Software RAID
• Network Configuration
• Package Selection
• Validating the Installation
• Post-Install Configuration
• System Configuration