然后输入搜索命令查找docker hub上moonrong用户的镜像：

[root@newdocker2 ~]# docker search moonrong
NAME                  DESCRIPTION   STARS     OFFICIAL   AUTOMATED
moonrong/test-nginx                 0                    
moonrong/hello                      0                    
moonrong/nginx                      0                    
[root@newdocker2 ~]#