https://docs.docker.com/install/linux/docker-ce/ubuntu/
https://mirrors.tuna.tsinghua.edu.cn/help/docker-ce/
for ubutun 16.04
sudo apt-get update sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - sudo add-apt-repository "deb [arch=amd64] https://mirrors.tuna.tsinghua.edu.cn/docker-ce/linux/ubuntu \ $(lsb_release -cs) stable" sudo apt-get update sudo apt-get install docker-ce
原文：https://www.cnblogs.com/medsci/p/10695281.html