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Home > Training > Unix > Linux Fundamentals Training

Linux Fundamentals Training

Course#: GL120

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.

Prerequisites

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

Duration

5 days

Outline of GL120 Linux Fundamentals Training

1. What is Linux?

  • Unix and its Design Principles
  • FSF and GNU
  • GPL - General Public License
  • The Linux Kernel
  • Linux Kernel and Versioning
  • Components of a Distribution
  • Slackware
  • SUSE Linux Products
  • Debian
  • Ubuntu
  • Red Hat Linux Products
  • Oracle Linux
  • Mandriva

2. Login and Exploration

  • Logging In
  • Running Programs
  • Interacting with Command Line
  • The X Window System
  • Starting X
  • Gathering Login Session Info
  • Gathering System Info
  • got root?
  • Switching User Contexts
  • sudo
  • Help from Commands and Documentation
  • Getting Help with man & info

Lab Tasks

  • Login and Discovery
  • Help with Commands
  • Switching Users With su

3. The Linux Filesystem

  • Filesystem Support
  • Unix/Linux Filesystem Features
  • Filesystem Hierarchy Standard
  • Navigating the Filesystem
  • Displaying Directory Contents
  • Filesystem Structures
  • Determining Disk Usage With df and du
  • Determining Disk Usage With baobab
  • Disk Usage with Quotas
  • File Ownership
  • Default Group Ownership
  • File and Directory Permissions
  • File Creation Permissions with umask
  • Changing File Permissions
  • SUID and SGID on files
  • SGID and Sticky Bit on Directories
  • User Private Group Scheme

Lab Tasks

  • Navigating Directories and Listing Files
  • Disk and Filesystem Usage
  • File and Directory Ownership and Permissions

4. Manipulating Files

  • Directory Manipulation
  • File Manipulation
  • Deleting and Creating Files
  • Physical Unix File Structure
  • Filesystem Links
  • File Extensions and Content
  • Displaying Files
  • Previewing Files
  • Displaying Binary Files
  • Searching the Filesystem
  • Alternate Search Method
  • Producing File Statistics

Lab Tasks

  • Manipulating Files and Directories
  • File Examination & Search Commands

5. Shell Basics

  • Role of Command Shell
  • Communication Channels
  • File Redirection
  • Piping Commands Together
  • Filename Matching
  • File Globbing and Wildcard Patterns
  • Brace Expansion
  • Shell and Environment Variables
  • Key Environment Variables
  • General Quoting Rules
  • Nesting Commands
  • Multiple and Multi-line Commands

Lab Tasks

  • Connecting Commands
  • Wildcard File Matching
  • Shell Variables
  • Shell Meta-Characters
  • Command Substitution

6. Archiving and Compression

  • Archives with tar
  • Archives with cpio
  • The gzip Compression Utility
  • The bzip2 Compression Utility
  • The XZ Compression Utility
  • The PKZIP Archiving/Compression format

Lab Tasks

  • Archiving and Compression

7. Text Processing

  • Searching Inside Files
  • The Streaming Editor
  • Text Processing with awk
  • Replacing Text Characters
  • Text Sorting
  • Duplicate Removal Utility
  • Extracting Columns of Text
  • Combining Files and Merging Text
  • Comparing File Changes

Lab Tasks

  • Text Processing

8. Regular Expressions

  • Regular Expression Overview
  • Regular Expressions
  • RE Character Classes
  • RE Quantifiers
  • RE Parenthesis

Lab Tasks

  • Pattern Matching with Regular Expressions
  • Extended Regular Expressions
  • Using Regular Expressions With sed

9. Text Editing

  • Text Editing
  • Pico/GNU Nano
  • Pico/Nano Interface
  • Pico/Nano Shortcuts
  • vi and Vim
  • Learning vi
  • Basic vi
  • Intermediate vi

Lab Tasks

  • Text Editing with Nano
  • Text Editing with Vim

10. Command Shells

  • Shells
  • Identifying the Shell
  • Changing the Shell
  • Bourne sh: Configuration Files
  • Script Execution
  • Bourne sh: Prompts
  • bash: Bourne-Again Shell
  • bash: Configuration Files
  • bash: Command Line History
  • bash: Command Editing
  • bash: Command Completion
  • bash: "shortcuts"
  • bash: prompt
  • Setting Resource Limits via ulimit

Lab Tasks

  • Linux Shells
  • Bash History
  • Aliases
  • Bash Login Scripts
  • The Z Shell

11. Introduction to Shell Scripting

  • Shell Script Strengths and Weaknesses
  • Example Shell Script
  • Positional Parameters
  • Input & Output
  • Doing Math
  • Comparisons with test
  • Exit Status
  • Conditional Statements
  • Flow Control: case
  • The for Loop
  • The while and until Loops

Lab Tasks

  • Writing a Shell Script

12. Process Management and Job Control

  • What is a Process?
  • Process Lifecycle
  • Process States
  • Viewing Processes
  • Signals
  • Tools to Send Signals
  • Job Control Overview
  • Job Control Commands
  • Persistent Shell Sessions with Screen
  • Using screen
  • Advanced Screen

Lab Tasks

  • Job Control Basics
  • Process Management and Job Control Basics
  • Screen Basics
  • Using Screen Regions

13. Process Administration

  • Automating Tasks
  • at/batch
  • cron
  • The crontab Command
  • crontab Format
  • /etc/cron.*/ Directories
  • Anacron
  • Managing Processes
  • Tuning Process Scheduling

Lab Tasks

  • Creating and Managing User Cron Jobs
  • Adding System cron Jobs

14. Managing Software

  • Downloading with FTP
  • FTP
  • lftp
  • Command Line Internet – Non-interactive
  • Command Line Internet – Interactive
  • Managing Software Dependencies
  • Using the YUM command
  • YUM package groups
  • Configuring YUM
  • Popular Yum Repositories
  • Using the Zypper command
  • Zypper Services and Catalogs
  • The dselect & APT Frontends to dpkg
  • Aptitude
  • Configuring APT

Lab Tasks

  • Command Line File Transfers
  • Using YUM
  • Using Zypper
  • Managing YUM Repositories
  • Managing Zypper Repositories

15. Messaging

  • System Messaging Commands
  • Controlling System Messaging
  • Internet Relay Chat
  • Instant Messenger Clients
  • Electronic Mail
  • Sending Email with sendmail
  • Sending and Receiving Email with mailx
  • Sending and Receiving Email with mutt
  • Sending Email with Pine
  • Evolution

Lab Tasks

  • Command Line Messaging
  • Command Line Email

16. Printing

  • Linux Printer Sub-systems
  • Legacy Print Systems
  • Common UNIX Printing System
  • Defining a Printer
  • Standard Print Commands
  • Format Conversion Utilities
  • Ghostscript
  • enscript and mpage

Lab Tasks

  • Printing

17. The Secure Shell (SSH)

  • Secure Shell
  • ssh and sshd Configuration
  • Accessing Remote Shells
  • Transferring Files
  • Alternative sftp Clients
  • SSH Key Management
  • ssh-agent

Lab Tasks

  • Introduction to ssh and scp
  • SSH Key-based User Authentication
  • Using ssh-agent

18. Mounting Filesystems & Managing Removable Media

  • Filesystems Concept Review
  • Mounting Filesystems
  • NFS
  • SMB
  • Filesystem Table (/etc/fstab)
  • AutoFS
  • Removable Media

Lab Tasks

  • Accessing NFS Shares
  • On-demand filesystem mounting with AutoFS

19. The X Window System

  • The X Window System
  • X Modularity
  • X.Org Drivers
  • Configuring X Manually
  • Automatic X Configuration
  • Automatic X Configuration – SLES
  • Xorg and Fonts
  • Installing Fonts for Modern Applications
  • Installing Fonts for Legacy Applications
  • The X11 Protocol and Display Names
  • Display Managers and Graphical Login
  • Starting X Apps Automatically
  • X Access Control
  • Remote X Access (historical/insecure approach)
  • Remote X Access (modern/secure approach)
  • XDMCP
  • Remote Graphical Access With VNC and RDP
  • Specialized X Servers

Lab Tasks

  • Remote X with XDMCP
  • Configure X Security
  • Configure a VNC Server
  • Configure a VNC Server
  • Launching X Apps Automatically
  • Secure X

B. Emacs

  • Emacs
  • The Emacs Interface
  • Basic Emacs
  • More Emacs Commands

Lab Tasks

  • Text Editing with Emacs

 

We regularly offer classes in these and other cities. Atlanta, Austin, Baltimore, Calgary, Chicago, Cleveland, Dallas, Denver, Detroit, Houston, Jacksonville, Miami, Montreal, New York City, Orlando, Ottawa, Philadelphia, Phoenix, Pittsburgh, Seattle, Toronto, Vancouver, Washington DC.
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