1  sudo apt-get update
    2  sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
    3  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
    4  sudo apt-key fingerprint 0EBFCD88
    5  sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
    6  sudo apt-get update
    7  sudo apt-get install docker-ce docker-ce-cli containerd.io
    8  sudo docker run hell-world
    9  sudo docker run hello-world
   10  sudo docker ps
   11  sudo docker ps -a