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: S00

Prerequisites:

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

Supported Distributions:
Red Hat Enterprise Linux 7
SUSE Linux Enterprise 12
Ubuntu 14.04 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
  2. Login and Exploration
    1. Logging In
    2. Running Programs
    3. Interacting with Command Line
    4. Desktop Environments
    5. GNOME
    6. Starting X
    7. Gathering Login Session Info
    8. Gathering System Info
    9. uptime
    10. got root?
    11. Switching User Contexts
    12. sudo
    13. Help from Commands and Documentation
    14. whereis
    15. Getting Help Within the Graphical Desktop
    16. Getting Help with man & info
    Lab Tasks
    1. Login and Discovery
    2. Help with Commands
    3. Switching Users With su
  3. 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 (GUI)
    9. Disk Usage with Quotas
    10. File Ownership
    11. Default Group Ownership
    12. File and Directory Permissions
    13. File Creation Permissions with umask
    14. SUID and SGID on files
    15. SGID and Sticky Bit on Directories
    16. Changing File Permissions
    17. User Private Group Scheme
    Lab Tasks
    1. Navigating Directories and Listing Files
    2. Disk and Filesystem Usage
    3. File and Directory Ownership and Permissions
  4. Manipulating Files
    1. Directory Manipulation
    2. File Manipulation
    3. Deleting and Creating Files
    4. Managing Files Graphically
    5. Drag and drop with Nautilus
    6. Physical Unix File Structure
    7. Filesystem Links
    8. File Extensions and Content
    9. Displaying Files
    10. Previewing Files
    11. Producing File Statistics
    12. Displaying Binary Files
    13. Searching the Filesystem
    14. Alternate Search Method
    Lab Tasks
    1. Manipulating Files and Directories
    2. File Examination & Search Commands
  5. 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. Which and Type
    11. General Quoting Rules
    12. Nesting Commands
    Lab Tasks
    1. Redirection and Pipes
    2. Wildcard File Matching
    3. Shell Variables
    4. Shell Meta-Characters
    5. Command Substitution
  6. 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
    7. GNOME File Roller
    Lab Tasks
    1. Archiving and Compression
  7. 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
    Lab Tasks
    1. Processing Text Streams
    2. Text Processing
  8. Regular Expressions
    1. Regular Expression Overview
    2. Regular Expressions
    3. RE Character Classes
    4. Regex Quantifiers
    5. RE Parenthesis
    Lab Tasks
    1. Pattern Matching with Regular Expressions
    2. Extended Regular Expressions
    3. Using Regular Expressions With sed
  9. Text Editing
    1. Text Editing
    2. Pico/GNU Nano
    3. Pico/Nano Interface
    4. Nano configuration
    5. Pico/Nano Shortcuts
    6. vi and Vim
    7. Learning Vim
    8. Basic vi
    9. Intermediate vi
    Lab Tasks
    1. Text Editing with Nano
    2. Text Editing with Vim
  10. 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
    Lab Tasks
    1. Command Line Messaging
    2. Messaging with talkd
    3. Command Line Email
    4. Alpine
  11. Command Shells
    1. Shells
    2. Identifying the Shell
    3. Changing the Shell
    4. Configuration Files
    5. Script Execution
    6. Shell 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
    Lab Tasks
    1. Linux Shells
    2. Bash History
    3. Aliases
    4. Bash Login Scripts
    5. The Z Shell
  12. 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
    Lab Tasks
    1. Writing a Shell Script
  13. 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. nohup and disown
    8. Managing Processes
    9. Tuning Process Scheduling
    10. Job Control Overview
    11. Job Control Commands
    12. Persistent Shell Sessions with Screen
    13. Using screen
    14. Advanced Screen
    Lab Tasks
    1. Job Control Basics
    2. Process Management Basics
    3. Screen Basics
    4. Using Screen Regions
  14. At and Cron
    1. Automating Tasks
    2. at/batch
    3. cron
    4. The crontab Command
    5. crontab Format
    6. /etc/cron.*/ Directories
    7. Anacron
    Lab Tasks
    1. Creating and Managing User Cron Jobs
    2. Adding System cron Jobs
  15. 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. Using Yum history
    9. YUM package groups
    10. Configuring Yum
    11. yumdownloader
    12. Popular Yum Repositories
    13. Using the Zypper command
    14. Zypper Services and Catalogs
    15. The dselect & APT Frontends to dpkg
    16. Aptitude
    17. Configuring APT
    Lab Tasks
    1. Command Line File Transfers
    2. Using Yum
    3. Using Zypper
    4. Managing Yum Repositories
    5. Managing Zypper Repositories
    6. Using APT
    7. Adding an APT repository
  16. 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
    Lab Tasks
    1. Introduction to ssh and scp
    2. SSH Key-based User Authentication
    3. Using ssh-agent
  17. 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
    Lab Tasks
    1. Accessing NFS Shares
    2. On-demand filesystem mounting with AutoFS
  18. Printing
    1. Legacy Print Systems
    2. Common UNIX Printing System
    3. Defining a Printer
    4. Standard Print Commands
    5. Format Conversion Utilities
    6. enscript and mpage
    Lab Tasks
    1. Printing
    2. Configuring Print Queues
  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. Xorg and Fonts
    7. Installing Fonts for Modern Applications
    8. Installing Fonts for Legacy Applications
    9. The X11 Protocol and Display Names
    10. Display Managers and Graphical Login
    11. Starting X Apps Automatically
    12. X Access Control
    13. Remote X Access (historical/insecure)
    14. Remote X Access (modern/secure)
    15. XDMCP
    16. Remote Graphical Access With VNC and RDP
    17. Specialized X Servers
    Lab Tasks
    1. Remote X with XDMCP
    2. Configure X Security
    3. Configure a VNC Server
    4. Configure a VNC Server
    5. Configure a VNC Server
    6. Launching X Apps Automatically
    7. Secure X
  2. Emacs
    1. Emacs
    2. The Emacs Interface
    3. Basic Emacs
    4. More Emacs Commands
    Lab Tasks
    1. Text Editing with Emacs
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