参考博客
https://blog.csdn.net/jmh1996/article/details/89413104
https://blog.csdn.net/lovexlsforever/article/details/82155562
下载下面的包 按顺序 依次安装
wget https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce-cli_18.09.5~3-0~ubuntu-xenial_amd64.deb
wget https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce_18.09.5~3-0~ubuntu-xenial_amd64.deb
wget https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/containerd.io_1.2.5-1_amd64.deb
dpkg -i docker-ce-cli_18.09.5~3-0~ubuntu-xenial_amd64.deb
dpkg -i containerd.io_1.2.5-1_amd64.deb
dpkg -i docker-ce_18.09.5~3-0~ubuntu-xenial_amd64.deb
如果此步骤出现缺少依赖 则到该地址下载依赖安装后继续安装下去
https://ubuntu.pkgs.org/14.04/ubuntu-updates-main-amd64/libsystemd-journal0_204-5ubuntu20.28_amd64.deb.html
完成后查看版本信息 docker --version