sudo raspi-config
sudo apt-get install ssh
sudo /etc/init.d/ssh start
sudo update-rc.d ssh defaults
sudo update-rc.d ssh enable
https://blog.alexellis.io/getting-started-with-docker-on-raspberry-pi/
curl -sSL https://get.docker.com | sh
sudo systemctl enable docker
sudo systemctl start docker
sudo usermod -aG docker pi