Adding Docker's Official GPG Key and setting up the Latest Repository code example
Example 1: docker install ubuntu
$ sudo apt-get update
$ sudo apt-get install \
apt-transport-https \
ca-certificates \
curl \
gnupg-agent \
software-properties-common
Example 2: install docker linux
sudo apt-get install -y xserver-xorg-lts-trusty libgl1-mesa-glx-lts-trusty