docker ubuntu 16.04 安装

第一步：

sudo apt-get install apt-transport-https ca-certificates

第二步：添加GPG key

sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D

第三步：添加apt搜索

echo "deb https://apt.dockerproject.org/repo ubuntu-xenial main" | sudo tee /etc/apt/sources.list.d/docker.list

Precise 12.04 (LTS)	deb https://apt.dockerproject.org/repo ubuntu-precise main
Trusty 14.04 (LTS)	deb https://apt.dockerproject.org/repo ubuntu-trusty main
Xenial 16.04 (LTS)	deb https://apt.dockerproject.org/repo ubuntu-xenial main

sudo apt-get update

安装

sudo apt-get install docker-engine