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Implementing Bash Flow Control in an Existing Backup Script

Bash scripting is an invaluable skill for a Linux system administrator. From writing quick scripts that automate simple tasks to writing complex scripts that can automatically deploy entirely new servers, scripting skills are integral to being a good SysAdmin. In this lab, we'll integrate Bash flow control into an existing backup script.

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Path Info

Clock icon Intermediate
Clock icon 30m
Clock icon Jan 29, 2021

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Table of Contents

  1. Challenge

    Modify the Backup Script to Add the Requested Trap

    Modify the backup script so that attempts to cancel the script while running will clean up all copied files and directories, but still log that the signal occurred.

  2. Challenge

    Modify the Backup Script to Contain the Requested Logic for Parameters

    Using an if statement, ensure that the script errors out without copying files if the log file parameter isn't passed.

  3. Challenge

    Run the Script and Verify That Files Are Backed Up and Trapping and Parameter Logic Work as Requested

    Mark the script as executable and run it, then verify that all files are backed up to the required directory.

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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