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Creating Simple Shell Scripts

Shell scripts are an important tool in a system administrator’s toolbox. Whether you use them for automation, reporting, or just ad-hoc to process large volumes of repetitive work, it’s important to have an understanding of how to make scripts work for you. In this hands-on lab, we will take a look at shell scripts, including basic concepts. **Red Hat Exam Requirements Covered:** - Conditionally executing code (use of: if, test, [], etc.) - Using looping constructs (for, etc.) to process file command-line input - Processing script inputs ($1, $2, etc.) - Processing output of shell commands within a script - Processing shell command exit codes *This course is not approved or sponsored by Red Hat.*

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Path Info

Clock icon Intermediate
Clock icon 30m
Clock icon Dec 04, 2020

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Table of Contents

  1. Challenge

    Create a Script to Add Users in Batches of 1 or More at a Time

    • Add a user by hand — and realize how much work it is!
    • Create a script that will add users in a batch from an input file.
    • Test if the script works and if the desired results occur.
    • Add another key step to the user creation process to save more time.
  2. Challenge

    Create a User Deletion Script

    • Realize you'll be deleting batches of users too!
    • Copy the script, and make the changes.
    • Delete the recently added users.

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