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Troubleshooting VPC Networking

In this hands-on lab, you will attempt to untangle a mess left by another cloud engineer. You will update the CloudFormation stack, troubleshoot, and fix the environment, so that you can successfully reach the website. Troubleshooting errors is an essential skill that you will likely encounter in real-world situations, so it is important to be as prepared as possible when these situations could arise.

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Path Info

Level
Clock icon Advanced
Duration
Clock icon 30m
Last updated
Clock icon Sep 01, 2025

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Table of Contents

  1. Challenge

    Run Update for CloudFormation Stack

    Download the Step_2_LaFours_Disaster.yaml file from the GitHub repo, and update the CloudFormation stack that the lab was originally built with.

  2. Challenge

    Check and Fix VPC Errors

    Troubleshoot, review, and fix errors within the VPC that were caused by the updated CloudFormation stack.

  3. Challenge

    Navigate to the Website

    Once all the errors have been cleared up, validate that you are able to successfully view the website. You should see a "Keep Being Awesome Cloud Gurus!" message by following the FQDN link listed within the Outputs section of the CloudFormation service.

Pluralsight Skills - Labs - Pluralsight
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
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