Installation of Docker on CentOS 8

Installation

Start by running CentOS updates

1. Yum update
2. Confirm the download with ‘Y’.
3. Wait until the update is finished.

First we have to install the required packages

• sudo yum install -y yum-utils device-mapper-persistent-data lvm2 Now we have to install the Docker repository

• sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo Now we are able to install Docker

• sudo yum install docker-ce docker-ce-cli containerd.io —nobest Docker has been installed.

Starting Docker

• sudo systemctl start docker Check if Docker is working

• sudo docker run hello-world If you get the following message, your Docker installation is working:

Hello from Docker! This message shows that your installation appears to be working correctly.