Installation of Docker on Ubuntu 18.04

Installation

Start by running Ubuntu updates

1. sudo apt update && sudo apt upgrade
2. Confirm the download with ‘Y’.
3. Wait until the update & upgrade has finished.

First we have to install the required packages

• sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common

Add the Docker GPG key

• curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

Now we have to install the Docker repository

• sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" Now we are able to install Docker

• sudo apt-get update && sudo apt-get install docker-ce docker-ce-cli containerd.io Docker has been installed. 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.