ubuntu 16.04 搭建docker

1.为确保运行的不是旧版Docker

sudo apt-get remove docker docker-engine docker.io

2.添加Docker COmmunity Edition 所需的软件依赖和apt仓库，确保包有正确的签名

1 sudo apt-get install apt-transport-https ca-certificates curl software-properties-common 
2 curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
3 sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"

3.安装Docker

1 sudo apt-get update
2 sudo apt-get upgrade
3 sudo apt-get install docker-ce

4.设置在每次引导系统时启动Docker服务器

1 sudo systemctl enable docker
2 sudo systemctl start docker

来源：https://www.cnblogs.com/taury/p/12037969.html