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GL120 - Linux Fundamentals

The GL120 is a challenging course that focuses on the fundamental tools and concepts of Linux and Unix. Students gain proficiency using the command line. Beginners develop a solid foundation in Unix, while advanced users discover patterns and fill in gaps in their knowledge. Like all Guru Labs courses, the course material is designed to provide extensive hands-on experience. Topics include: basic file manipulation; basic and advanced filesystem features; I/O redirection and pipes; text manipulation and regular expressions; managing jobs and processes; vi, the standard Unix editor; automating tasks with shell scripts; managing software; secure remote administration; and more.

Current Version: K01

Prerequisites:

Students should be comfortable with computers. No familiarity with Linux or other Unix operating systems is required.

Supported Distributions:

Red Hat Enterprise Linux 6

SUSE Linux Enterprise 11

Ubuntu 12.04 LTS

Course Outline:

  1. What is Linux?

    1. Unix and its Design Principles

    2. FSF and GNU

    3. GPL - General Public License

    4. The Linux Kernel

    5. Linux Kernel and Versioning

    6. Components of a Distribution

    7. Slackware

    8. SUSE Linux Products

    9. Debian

    10. Ubuntu

    11. Red Hat Linux Products

    12. Oracle Linux

    13. Mandriva

  2. Login and Exploration

    1. Logging In

    2. Running Programs

    3. Interacting with Command Line

    4. The X Window System

    5. Starting X

    6. Gathering Login Session Info

    7. Gathering System Info

    8. got root?

    9. Switching User Contexts

    10. sudo

    11. Help from Commands and Documentation

    12. Getting Help with man & info

  3. Lab Tasks

    1. Login and Discovery

    2. Help with Commands

    3. Switching Users With su

  4. The Linux Filesystem

    1. Filesystem Support

    2. Unix/Linux Filesystem Features

    3. Filesystem Hierarchy Standard

    4. Navigating the Filesystem

    5. Displaying Directory Contents

    6. Filesystem Structures

    7. Determining Disk Usage With df and du

    8. Determining Disk Usage With baobab

    9. Disk Usage with Quotas

    10. File Ownership

    11. Default Group Ownership

    12. File and Directory Permissions

    13. File Creation Permissions with umask

    14. Changing File Permissions

    15. SUID and SGID on files

    16. SGID and Sticky Bit on Directories

    17. User Private Group Scheme

  5. Lab Tasks

    1. Navigating Directories and Listing Files

    2. Disk and Filesystem Usage

    3. File and Directory Ownership and Permissions

  6. Manipulating Files

    1. Directory Manipulation

    2. File Manipulation

    3. Deleting and Creating Files

    4. Physical Unix File Structure

    5. Filesystem Links

    6. File Extensions and Content

    7. Displaying Files

    8. Previewing Files

    9. Displaying Binary Files

    10. Searching the Filesystem

    11. Alternate Search Method

    12. Producing File Statistics

  7. Lab Tasks

    1. Manipulating Files and Directories

    2. File Examination & Search Commands

  8. Shell Basics

    1. Role of Command Shell

    2. Communication Channels

    3. File Redirection

    4. Piping Commands Together

    5. Filename Matching

    6. File Globbing and Wildcard Patterns

    7. Brace Expansion

    8. Shell and Environment Variables

    9. Key Environment Variables

    10. General Quoting Rules

    11. Nesting Commands

    12. Multiple and Multi-line Commands

  9. Lab Tasks

    1. Connecting Commands

    2. Wildcard File Matching

    3. Shell Variables

    4. Shell Meta-Characters

    5. Command Substitution

  10. Archiving and Compression

    1. Archives with tar

    2. Archives with cpio

    3. The gzip Compression Utility

    4. The bzip2 Compression Utility

    5. The XZ Compression Utility

    6. The PKZIP Archiving/Compression format

  11. Lab Tasks

    1. Archiving and Compression

  12. Text Processing

    1. Searching Inside Files

    2. The Streaming Editor

    3. Text Processing with awk

    4. Replacing Text Characters

    5. Text Sorting

    6. Duplicate Removal Utility

    7. Extracting Columns of Text

    8. Combining Files and Merging Text

    9. Comparing File Changes

  13. Lab Tasks

    1. Text Processing

  14. Regular Expressions

    1. Regular Expression Overview

    2. Regular Expressions

    3. RE Character Classes

    4. RE Quantifiers

    5. RE Parenthesis

  15. Lab Tasks

    1. Pattern Matching with Regular Expressions

    2. Extended Regular Expressions

    3. Using Regular Expressions With sed

  16. Text Editing

    1. Text Editing

    2. Pico/GNU Nano

    3. Pico/Nano Interface

    4. Pico/Nano Shortcuts

    5. vi and Vim

    6. Learning vi

    7. Basic vi

    8. Intermediate vi

  17. Lab Tasks

    1. Text Editing with Nano

    2. Text Editing with Vim

  18. Command Shells

    1. Shells

    2. Identifying the Shell

    3. Changing the Shell

    4. Bourne sh: Configuration Files

    5. Script Execution

    6. Bourne sh: Prompts

    7. bash: Bourne-Again Shell

    8. bash: Configuration Files

    9. bash: Command Line History

    10. bash: Command Editing

    11. bash: Command Completion

    12. bash: "shortcuts"

    13. bash: prompt

    14. Setting Resource Limits via ulimit

  19. Lab Tasks

    1. Linux Shells

    2. Bash History

    3. Aliases

    4. Bash Login Scripts

    5. The Z Shell

  20. Introduction to Shell Scripting

    1. Shell Script Strengths and Weaknesses

    2. Example Shell Script

    3. Positional Parameters

    4. Input & Output

    5. Doing Math

    6. Comparisons with test

    7. Exit Status

    8. Conditional Statements

    9. Flow Control: case

    10. The for Loop

    11. The while and until Loops

  21. Lab Tasks

    1. Writing a Shell Script

  22. Process Management and Job Control

    1. What is a Process?

    2. Process Lifecycle

    3. Process States

    4. Viewing Processes

    5. Signals

    6. Tools to Send Signals

    7. Job Control Overview

    8. Job Control Commands

    9. Persistent Shell Sessions with Screen

    10. Using screen

    11. Advanced Screen

  23. Lab Tasks

    1. Job Control Basics

    2. Process Management and Job Control Basics

    3. Screen Basics

    4. Using Screen Regions

  24. Process Administration

    1. Automating Tasks

    2. at/batch

    3. cron

    4. The crontab Command

    5. crontab Format

    6. /etc/cron.*/ Directories

    7. Anacron

    8. Managing Processes

    9. Tuning Process Scheduling

  25. Lab Tasks

    1. Creating and Managing User Cron Jobs

    2. Adding System cron Jobs

  26. Managing Software

    1. Downloading with FTP

    2. FTP

    3. lftp

    4. Command Line Internet – Non-interactive

    5. Command Line Internet – Interactive

    6. Managing Software Dependencies

    7. Using the YUM command

    8. YUM package groups

    9. Configuring YUM

    10. Popular Yum Repositories

    11. Using the Zypper command

    12. Zypper Services and Catalogs

    13. The dselect & APT Frontends to dpkg

    14. Aptitude

    15. Configuring APT

  27. Lab Tasks

    1. Command Line File Transfers

    2. Using YUM

    3. Using Zypper

    4. Managing YUM Repositories

    5. Managing Zypper Repositories

  28. Messaging

    1. System Messaging Commands

    2. Controlling System Messaging

    3. Internet Relay Chat

    4. Instant Messenger Clients

    5. Electronic Mail

    6. Sending Email with sendmail

    7. Sending and Receiving Email with mailx

    8. Sending and Receiving Email with mutt

    9. Sending Email with Pine

    10. Evolution

  29. Lab Tasks

    1. Command Line Messaging

    2. Command Line Email

  30. Printing

    1. Linux Printer Sub-systems

    2. Legacy Print Systems

    3. Common UNIX Printing System

    4. Defining a Printer

    5. Standard Print Commands

    6. Format Conversion Utilities

    7. Ghostscript

    8. enscript and mpage

  31. Lab Tasks

    1. Printing

  32. The Secure Shell (SSH)

    1. Secure Shell

    2. ssh and sshd Configuration

    3. Accessing Remote Shells

    4. Transferring Files

    5. Alternative sftp Clients

    6. SSH Key Management

    7. ssh-agent

  33. Lab Tasks

    1. Introduction to ssh and scp

    2. SSH Key-based User Authentication

    3. Using ssh-agent

  34. Mounting Filesystems & Managing Removable Media

    1. Filesystems Concept Review

    2. Mounting Filesystems

    3. NFS

    4. SMB

    5. Filesystem Table (/etc/fstab)

    6. AutoFS

    7. Removable Media

  35. Lab Tasks

    1. Accessing NFS Shares

    2. On-demand filesystem mounting with AutoFS

  1. The X Window System

    1. The X Window System

    2. X Modularity

    3. X.Org Drivers

    4. Configuring X Manually

    5. Automatic X Configuration

    6. Automatic X Configuration – SLES

    7. Xorg and Fonts

    8. Installing Fonts for Modern Applications

    9. Installing Fonts for Legacy Applications

    10. The X11 Protocol and Display Names

    11. Display Managers and Graphical Login

    12. Starting X Apps Automatically

    13. X Access Control

    14. Remote X Access (historical/insecure approach)

    15. Remote X Access (modern/secure approach)

    16. XDMCP

    17. Remote Graphical Access With VNC and RDP

    18. Specialized X Servers

  2. Lab Tasks

    1. Remote X with XDMCP

    2. Configure X Security

    3. Configure a VNC Server

    4. Configure a VNC Server

    5. Launching X Apps Automatically

    6. Secure X

  3. Emacs

    1. Emacs

    2. The Emacs Interface

    3. Basic Emacs

    4. More Emacs Commands

  4. Lab Tasks

    1. Text Editing with Emacs

 

Jose Nuno Neto
 
 
 
 
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