Information
https://docs.docker.com/articles/certificates/
2.http://docs.docker.com/reference/commandline/cli/#insecure-registries
Solution
chown root:root /etc/docker/certs.d/<registry-name>/*This would set the ownership and group-ownership for the registry certificate files to 'root'.
Impact-
None.
Default Value-
By default, the ownership and group-ownership for registry certificate files is correctly set to 'root'.