Linux Shell Scripting: Learn by Building Projects – Intro and Overview

About Course

This hands-on course introduces Linux shell scripting through practical, real-world projects rather than isolated theory. You will gradually build useful scripts that automate common system tasks, manage users and files, process text and data, and work with the command line more efficiently. Each module focuses on a concrete project, helping you understand key concepts like variables, conditions, loops, and input/output by actually using them. By the end, you will be comfortable writing your own shell scripts to streamline workflows and solve everyday problems on Linux systems.

Understand core Linux shell scripting concepts: variables, arguments, conditions, loops, and functions.
Learn how to write, run, and debug Bash scripts to automate common command-line tasks.
Work on real, project-style scripts that manage files, process text, handle backups, and monitor basic system activity.
Improve productivity by chaining commands, using pipes and redirection, and turning manual workflows into reusable scripts.

Course Content

Course Introduction

Introduction and Course Overview

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Course Downloads

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Creating a Local Linux Shell Scripting Environment

User and Account Creation – Shell Scripting Project 1

Password Generation and Shell Script Argument – Shell Scripting Project 2

Linux Programming Conventions – Shell Scripting Project 3

Parsing Command-Line Options – Shell Scripting Project 4

Case Statements

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Functions

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Parsing Command-Line Options with getopts, Part 1

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Parsing Command-Line Options with getopts, Part 2

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Deleting and Disabling Linux Accounts, Part 1 of 4 (Finding Files)

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Deleting and Disabling Linux Accounts, Part 2 of 4 (the userdel Command)

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Deleting and Disabling Linux Accounts, Part 3 of 4 (Archives with tar)

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Deleting and Disabling Linux Accounts, Part 4 of 4 (Disabling Accounts)

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Deleting Users – Exercise 5 – Walkthrough

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Transforming Data / Data Processing / Reporting – Shell Scripting Project 5

Network Scripting and Automation of Distributed Systems: Shell Scripting Project 6

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About Course

What Will You Learn?

Course Content

Course Introduction

Introduction and Course Overview

Course Downloads

Creating a Local Linux Shell Scripting Environment

Creating a Local Lab Environment Using Vagrant and VirtualBox – Background

Exercise 1 – Walkthrough – Part I – Windows Users Only

Exercise 1 – Walkthrough – Part I – Mac Users Only

Exercise 1 – Walkthrough – Part I – Linux (CentOS/RHEL) Users Only

Exercise 1 – Walkthrough – Part II – All Users

Vagrant and VirtualBox Troubleshooting Tips

User and Account Creation – Shell Scripting Project 1

Section Introduction

Getting Started with Shell Scripting: Naming, Permissions, Variables, Built-Ins

Special Variables, Pseudocode, Command Substitution, if Statement, Conditionals

Exit Statuses, Return Codes, String Test Conditionals, More Special Variables

Reading Standard Input, Creating Accounts, Username Conventions, More Quoting

Exercise 2 – Walkthrough

Password Generation and Shell Script Argument – Shell Scripting Project 2

Random Data, Cryptographic Hash Functions, Text and String Manipulation.

Positional Parameters, Arguments, For Loops, Special Parameters

The While Loop, Infinite Loops, Shifting, and Sleeping

Exercise 3 – Walkthrough

Linux Programming Conventions – Shell Scripting Project 3

Advanced Standard Input, Standard Output, and Standard Error – Part I

Advanced Standard Input, Standard Output, and Standard Error – Part II

Exercise 4 – Walkthrough

Parsing Command-Line Options – Shell Scripting Project 4

Case Statements

Functions

Parsing Command-Line Options with getopts, Part 1

Parsing Command-Line Options with getopts, Part 2

Deleting and Disabling Linux Accounts, Part 1 of 4 (Finding Files)

Deleting and Disabling Linux Accounts, Part 2 of 4 (the userdel Command)

Deleting and Disabling Linux Accounts, Part 3 of 4 (Archives with tar)

Deleting and Disabling Linux Accounts, Part 4 of 4 (Disabling Accounts)

Deleting Users – Exercise 5 – Walkthrough

Transforming Data / Data Processing / Reporting – Shell Scripting Project 5

Cut and Awk

Cut and Awk Demonstration Script: Open Network Ports

Sort and Uniq

Parsing Log Files – Exercise 6 – Walkthrough

Sed

Network Scripting and Automation of Distributed Systems: Shell Scripting Project 6

Configuring a Mini Network and Scripting for Remote Systems

Scripting Remote Commands – Walkthrough – Part 1

Scripting Remote Commands – Walkthrough – Part 2

Summary

What Shell Scripting is and Why You Should Learn It

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