how to install docker machine on ubuntu 18.04 code example
Example 1: how to install docker ubuntu
sudo apt-get update
sudo apt-get upgrade
sudo apt install docker.io
systemctl start docker
systemctl enable docker
docker --version
Example 2: intall docker ubuntu command
$ sudo apt-get update
$ sudo apt-get install docker-ce docker-ce-cli containerd.io
Example 3: install docker on ubuntu 18.04
sudo apt install docker-ce
https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-ubuntu-18-04
Example 4: install docker on ubuntu 18.04
sudo apt update