Ubuntu上安装docker

sudo apt-get update
sudo apt-get install -y \
    apt-transport-https \
    ca-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=17.09.1*
sudo service docker start
sudo service docker status