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Running Your First Docker Container

Welcome to your first challenge in *The Quest for More Yummies*. In this hands-on lab, we are tasked with preparing our environment for maximum snack acquisition for the people of SpaceBones by installing Docker and then acquiring images from DockerHub.

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 30m
Last updated
Clock icon Aug 07, 2025

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Table of Contents

  1. Challenge

    Install Docker from the Default CentOS 7 Repository

    After logging into the server, install the latest version of Docker using yum:

    sudo yum -y install docker

  2. Challenge

    Set User Permissions

    Drop down to root. Create a new group named docker, and then add the cloud_user user to the group.

  3. Challenge

    Enable and Start Docker Service

    Once installation completes, enable and start the service using systemd.

    Log out of root and cloud_user, and then log back in:

    ssh cloud_user@<PUBLIC IP>

  4. Challenge

    Run the `hello-world` Container Image

    After starting and enabling Docker, run the hello-world container image to verify installation.

  5. Challenge

    Pull Images

    After getting a valid return message from the hello-world image, pull the following images into your Docker repository to prepare for the next exercise.

    • 06kellyjac/nyancat
    • jeremy646/doge
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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