[root@docker ~]# docker run -id registry af711b3b876114b49885773a5c642a0b131b05f077182a68c08d0d9714794b1d [root@docker ~]# [root@docker ~]# [root@docker ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES af711b3b8761 registry "docker-registry" 3 seconds ago Up 2 seconds 5000/tcp romantic_ritchie [root@docker ~]# docker attach romantic_ritchie