安裝SSH
sudo apt-get install openssh-server
sudo service ssh status


安裝docker
  sudo apt-get install linux-image-extra-$(uname -r) linux-image-extra-virtual
  sudo apt-get update
  sudo apt-get install apt-transport-https ca-certificates
  echo "deb https://apt.dockerproject.org/repo ubuntu-xenial main" | sudo tee /etc/apt/sources.list.d/docker.list
  sudo apt-get install docker-engine

  sudo service docker start

最新安裝方法更新2018/2/10

sudo apt-get  update  
sudo apt-get install  docker
sudo   apt-get install   docker.io
sudo apt-get install  docker-registry
sudo systemctl  start  docker

run without sudo
添加當前使用者到docker組
$ sudo groupadd docker
$ sudo gpasswd -a ${USER} docker
$ sudo service docker restart

登出當前使用者，重新登陸

配置 Docker 加速器
curl -sSL https://get.daocloud.io/daotools/set_mirror.sh | sh -s http://7160e08b.m.daocloud.io