Gweb modify configuration files conf_default.php
Because we only have readonly default guest user privileges, it can not be created in the form of GUI view.
$ Conf [ 'auth_system'] = 'disabled'; # change this from readonly disabled, is also authorized by guest users without ganglia through web interface for editing, there is a parameter enabled open the registry authorization.
Other reference https://blog.csdn.net/lswnew/article/details/79175555 3.1 page graphs modifications:
Do not forget, you modify and then change it back readonly