centos上安装docker

参考：https://www.runoob.com/docker/centos-docker-install.html

https://docs.docker.com/engine/install/centos/

1) 通过端口转发登陆虚拟机 ssh root@10.12.198.166 -p 3331
2) sudo yum-config-manager
    --add-repo
    https://download.docker.com/linux/centos/docker-ce.repo
3) yum install docker-ce-18.06.3.ce docker-ce-cli-18.06.3.ce containerd.io
4) systemctl start docker

5) systemctl enable docker.service

6)
vi /etc/docker/daemon.json
{
  "insecure-registries":["*****.com"]
}
7) systemctl restart docker