docker 运维实践

20190805  运维实践记录   

iOS镜像文件：

参考网站：https://www.runoob.com/docker/docker-tutorial.html

1.

[root@localhost zy]# docker run hello-world
Unable to find image 'hello-world:latest' locally
docker: Error response from daemon: Get https://registry-1.docker.io/v2/: net/http: TLS handshake timeout.