14.04
老版本安装
sudo apt-get update
sudo apt-get install -y docker.io
sudo ln -sf /usr/bin/docker.io /usr/local/bin/docker
sudo sed -i ‘$acomplete -F _docker docker‘ /etc/bash_completion.d/docker.io
ubantu
最新docker 安装
sudo apt-get install apt-transport-https
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
sudo bash -c "echo deb https://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list"
sudo apt-get update
sudo apt-get install -y lxc-docker
centos 6
yum install -y docker.io
centos 7
自动集成了docker
yum install -y docker.io
Docker 之 安装
原文：http://www.cnblogs.com/cll450/p/7735492.html
