RHEL 8: Creating Shell Scripts

Description

In this course, you will :

• Learn how to write shell scripts to save time and effort.
• Explore the script header, or shebang, and the location of scripts.
• Learn more advanced syntax by conditionally processing commands with logic and loops.
• Learn how to use and create functions in your scripts, which will allow you to create more effective and readable solutions.
• You'll be able to automate the creation of user accounts using Linux bash scripting and repurpose the script for your own needs.

Syllabus :

1. Automating Tasks Using Bash Scripts

• What Are Shell Scripts?
• Using Script Syntax at the CLI
• Understanding Script Logic
• Using Simple Logic at the CLI

 

2. Creating Your Own Shell Scripts

• What Is a Shebang and Why Do I Want to Know?
• Implementing the Shebang5mWorking with vim Abbreviations
• Working with PATH and Execute Permissions
• Special Variables
• Using Special Variables in Scripts

 

3. Automating the User Creation Process

• Testing User Input
• Ensure User Is Not Already Present
• Using Read During Script Execution
• Creating User Accounts

 

4. Using Functions and Loops in Scripts

• Creating Better Scripts
• Comparing All Arguments
• Using while Loops
• Implementing Functions within Scripts

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