download and install docker linux code example
Example 1: install docker linux
sudo apt-get install -y xserver-xorg-lts-trusty libgl1-mesa-glx-lts-trusty
Example 2: docker machine install linux
$ base=https://github.com/docker/machine/releases/download/v0.16.0 &&
curl -L $base/docker-machine-$(uname -s)-$(uname -m) >/tmp/docker-machine &&
sudo mv /tmp/docker-machine /usr/local/bin/docker-machine &&
chmod +x /usr/local/bin/docker-machine