【错误解决】docker拉不到镜像：Error response from daemon: Get https://index.docker.io/v1/search
[root@k8smaster ~]# docker search busyboxError response from daemon: Get https://index.docker.io/v1/search?q=busybox&n=25: dial tcp: lookup index.docker.io on [::1]:53: read udp [::1]:44869->[::1]:53: read: connection refused解决办法：[root
