Installing Docker

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Installing Docker

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

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Lab Info

Level

Beginner

Last updated

Sep 24, 2025

Duration

30m

Challenge

Verify the Package Installation
1. 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

Challenge

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

Challenge

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

Enable and Start Docker
1. Enable and start Docker on the server.
  sudo systemctl enable docker sudo systemctl start docker
Challenge

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

Create Your First Container
1. Create your first container using the hello-world image.
  sudo docker run hello-world

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