Update your software 1$ sudo apt-get update Install packages so we can download Docker 12345$ sudo apt-get install \ apt-transport-https \ ca-certificates \ curl \ software-properties-common Add Docker’s official GPG key: 1$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add – Verify that you now have the key with the fingerprint 9DC8 5822 9FC7 DD38 854A… Read More