错误：start docker failed Unregistered Authentication Agent

原因：安装 docker 版本不对

解决：

1. 卸载旧的 docker

yum erase docker

1. 安装新的 docker-ce

yum install docker-ce

重启 Docker

1. stop docker

systemctl stop docker
systemctl stop docker.socket
systemctl stop containerd

1. start docker

systemctl start docker