ubuntu 18 install docker-machine code example
Example 1: install docker on ubuntu 18.04
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable"Example 2: install docker on ubuntu 18.04
sudo apt updatesudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable"sudo apt update