Lab
A Cloud Guru

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

Beginner

Duration

30m

Published

Jul 26, 2018

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
```
Challenge

Set User Permissions

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

Run the `hello-world` Container Image

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

Author

A Cloud Guru

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!

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.