Server Infrastructure Linux Fundamentals

Linux Fundamentals

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  • Course Delivery: Virtual Classroom
  • Language: English

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Description


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.

 

Course Objectives


After completing this course, students will learn:
  • Basic file manipulation
  • Basic and advanced filesystem features
  • I/O redirection and pipes
  • Text manipulation and regular expressions
  • Managing jobs and processes
  • Automating tasks with shell scripts
  • Managing software
  • Secure remote administration
 

Topics Covered


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

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
  • uptime
  • got root?
  • Switching User Contexts
  • Sudo
  • Help from Commands and Documentation
  • Getting Help Within the Graphical Desktop
  • 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 (GUI)
  • Disk Usage with Quotas
  • File Ownership
  • Default Group Ownership
  • File and Directory Permissions
  • File Creation Permissions with umask
  • SUID and SGID on files
  • SGID and Sticky Bit on Directories
  • Changing File Permissions
  • 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
  • Producing File Statistics
  • Displaying Binary Files
  • Searching the Filesystem
  • Alternate Search Method

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

Lab Tasks
  • Redirection and Pipes
  • 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
  • GNOME File Roller

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
  • Processing Text Streams
  • Text Processing

8. Regular Expressions

  • Regular Expression Overview
  • Regular Expressions
  • RE Character Classes
  • Regex 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
  • Nano configuration
  • Pico/Nano Shortcuts
  • vi and Vim
  • Learning Vim
  • Basic vi
  • Intermediate vi

Lab Tasks
  • Text Editing with Nano
  • Text Editing with Vim

10. 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
  • Messaging with talkd
  • Command Line Email
  • Alpine

11. Command Shells
  • Shells
  • Identifying the Shell
  • Changing the Shell
  • Configuration Files
  • Script Execution
  • Shell Prompts
  • Bash: Bourne-Again Shell
  • Bash: Configuration Files
  • Bash: Command Line History
  • Bash: Command Editing
  • Bash: prompt
  • Setting Resource Limits via ulimit

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

12. 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

13. Process Management and Job Control

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

Lab Tasks
  • Job Control Basics
  • Process Management Basics
  • Screen Basics
  • Using Screen Regions

14. At and Cron

  • Automating Tasks
  • at/batch
  • cron
  • The crontab Command
  • crontab Format
  • /etc/cron.*/ Directories
  • Anacron

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

15. 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
  • yumdownloader
  • 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
  • Using APT
  • Adding an APT repository

16. 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

17. 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

18. Printing

  • Legacy Print Systems
  • Common UNIX Printing System
  • Defining a Printer
  • Standard Print Commands
  • Format Conversion Utilities
  • enscript and mpage

Lab Tasks
  • Printing
  • Configuring Print Queues

19. The X Window System

  • X Modularity
  • X.Org Drivers
  • Configuring X Manually
  • Automatic X Configuration
  • 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)
  • Remote X Access (modern/secure)
  • 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
  • Configure a VNC Server
  • Launching X Apps Automatically
  • Secure X

20. Emacs

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

Lab Tasks
  • Text Editing with Emacs


 

Prerequisites

Before attending this course, students should be comfortable with computers. No familiarity with Linux or other UNIX operating systems is required.

 

Subject Matter Expert


Productivity Point Global is led by a team of individuals with world-class experience in professional development skills and leading edge technologies. These established professionals collaborate to drive PPG's business forward through entrepreneurial innovation, strategic partnerships, brand management and sales growth.

Productivity Point Global, previously ExecuTrain of Florida, began in 2003 and evolved out of a desire to increase our outreach both nationally and internationally. Utilizing the highest standard in customer service combined with our subject matter experts and high-end training venues, PPG has carved a niche by consistently expanding our corporate and government client base, originally hosted in the southeastern region of the US.

By consistently setting quality as the benchmark of our value system, PPG combines strategic partnerships and cutting edge technology with our determined efforts to branch out into other regions. PPG's combination of technology and professional skills training, IT outsourcing, and event hosting enables us to place a focused emphasis on the diversified business needs of our clients.
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