Ubuntu 中安装 Docker 在终端中运行下面的命令安装 Docker

	sudo apt-get update
	sudo apt-get install -y \
	apt-transport-https \
	a-certificates \
curl \
software-properties-common
	curl -fsSL https://download.daocloud.io/docker/linux/ubuntu/gpg | sudo apt-key add -
	sudo add-apt-repository \
			"deb [arch=$(dpkg --print-architecture)] https://download.daocloud.io/docker/linux/ubuntu \
			$(lsb_release -cs) \
	stable"
	sudo apt-get update
	sudo apt-get install -y -q docker-ce=*
	sudo service docker start
	sudo service docker status

在 CentOS中安装 Docker 在终端中运行命令安装 Docker。

	sudo yum install -y yum-utils
	sudo yum-config-manager \
--add-repo \
https://download.daocloud.io/docker/linux/centos/docker-ce.repo
	sudo yum install -y -q  docker-ce-.ce* docker-ce-selinux-.ce*
	sudo systemctl enable docker
	sudo systemctl start docker
	sudo service docker status

http://get.daocloud.io/