Installing Docker

In this hands-on lab, we will practice installing Docker.

Learning Objectives

Successfully complete this lab by achieving the following learning objectives:

Verify the Package Installation

Verify that the packages yum-utils, device-mapper-persistent-data, and lvm2 are installed.
```
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
```

Add the Repository

Add the Docker repository to your server.

sudo yum-config-manager --add-repo  https://download.docker.com/linux/centos/docker-ce.repo

Install Docker

Install Docker CE on your server.
```
sudo yum install docker-ce
```

Enable and Start Docker

Enable and start Docker on the server.

sudo systemctl enable docker 
sudo systemctl start docker

Add a User to the Docker Group

Add your current user to the Docker group.
```
sudo usermod -a -G docker cloud_user  
```
Log out and back in to put the changes into effect.

Create Your First Container

Create your first container using the hello-world image.
```
sudo docker run hello-world
```

What are Hands-on Labs

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.

Installing Docker

About this Hands-on Lab

Learning Objectives

Additional Resources

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