* Organizational administrators: These admins can manage users within specific organizations in a particular Grafana installation
* Grafana administrators: These super admins can manage users across all organizations in a Grafana installation. They can also change and access system-wide settings.
When performing actions as a Grafana admin, the sidebar will change it's apperance as below to indicate you are performing global server administration.
From the Grafana Server Admin page, you can access the System Info page which summarizes all of the backend configuration settings of the Grafana server.