Convenience Script
For a machine running Ubuntu, the simplest approach is to use the installation script provided by Docker
(see https://docs.docker.com/engine/install/ubuntu/#install-using-the-convenience-script).
(see https://docs.docker.com/engine/install/ubuntu/#install-using-the-convenience-script).
(ubuntu@vm-docker) ~/ $ curl -fsSL https://get.docker.com -o get-docker.sh
(ubuntu@vm-docker) ~/ $ sudo sh get-docker.sh