1. [appuser@ur-test-docker ~]$ sudo systemctl restart docker.service 
    2. [appuser@ur-test-docker ~]$ sudo docker login bytest-harbor.ur.com.cn:6278
    3. Username: pipeline-user
    4. Password: 
    5. WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
    6. Configure a credential helper to remove this warning. See
    7. https://docs.docker.com/engine/reference/commandline/login/#credentials-store
    9. Login Succeeded
    10. [appuser@ur-test-docker ~]$ cat /etc/docker/daemon.json 
    11. {
    12.   "registry-mirrors": ["http://hub-mirror.c.163.com"],
    13.   "insecure-registries":["192.168.13.78:8083","192.168.13.78:8084","192.168.13.79:6278","bytest-harbor.ur.com.cn:6278"],
    14.   "graph": "/data/docker-data"
    15. }
    16. [appuser@ur-test-docker ~]$