RHA 030 Red Hat Enterprise Linux Computing Essentials

These sessions will give you the opportunity to familiarise yourself with the lab set-up, to learn how to use the resources you will need when you attempt the tests and to engage with the lab exercises.

Workbook 1 Quick Tour

• Logging In, The Kernel
• Programs and Processes
• Examining the Filesystem
• Running Commands
• Managing Terminals
• Getting Help

Workbook 2 Filesystem Basics

• Filesystem Navigation
• Important Directories
• Managing Files
• Managing Directories
• File Names and File Globbing
• Examining Files
• Editing Files

Workbook 3 Users and Groups

• Linux users and the /etc/passwd File
• Linux Groups and the /etc/group File
• Examining User Information
• Changing Identity

Workbook 4 File Ownerships and Permissions

• Regular File Ownerships and Permissions
• Changing File Permissions: chmod
• Changing Fil Ownerships with chgrp and chown
• Directory Ownerships and Permissions
• Chmod Revisited
• Octal Notation
• Controlling Default Permissions: umask

Workbook 5 The Linux Filesystem

• File Details
• Hard and Soft Links
• Directories and Device Nodes
• Disks, Filesystems and Mounting
• Locating Files with locate and find
• Compressing Files: gzip and bzip2
• Archiving Files with tar

Workbook 6 The Bash Shell

• Introduction to Bash
• Command Lists and Scripts
• Bash Variable
• Command Line Expansion
• Shell Customisations
• Sourcing Shell Scripts and Shell Initialisation

Workbook 7 Standard I/O and Pipes

• Standard In and Standard Out
• Standard Error
• Pipes

Workbook 8 String Processing Tools

• Text Encoding and Word Counting
• Finding Text: grep
• Introduction to Regular Expressions
• Everything Sorting: sort and uniq
• Extracting and Assembling Text: cut and paste
• Tracking differences: diff
• Translating Text: tr
• Spell Checking: aspell
• Formatting Text (fmt)
• Splitting Files (split)

Workbook 9 Managing Processes

• An Introduction to Processes
• Process States
• Process Scheduling: nice and renice
• Sending Signals
• Job Control
• Scheduling Delayed Tasks: at
• Scheduling Periodic Tasks: cron

Workbook 10 Network Applications

• An Introduction to TCP/IP Networking
• Linux Printing
• Managing Printfiles
• Email Overview
• The Evolution MUA
• Network Diagnostic Applications
• Terminal Based Web and FTP Clients
• Remote Shell Commands

Workbook 11

• Advanced Shell Scripting
• Character Encoding and Internationisation
• The RPM Package Manager

Time: 4pm to 7pm Tuesdays