安装docker
apt-get install apt-transport-https
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
bash -c "echo deb https://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list"
apt-get update
apt-get install lxc-docker
添加docker加速器
echo "DOCKER_OPTS=\"\$DOCKER_OPTS --registry-mirror=https://3x3ndhhn.mirror.aliyuncs.com\"" | sudo tee -a /etc/default/docker
service docker restart
