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When a Member Node is registered, a DataONE certificate is issued, which is used by Member Node staff as part of the authentication for calling a Coordinating Node to update the information. The basic mechanism is the updateNodeCapabilites() method call.

Where Member Node software does not directly provide a way to call this method, it can be called from the command line. Like all DataONE methods, the updateNodeCapabilties is a REST web service, so calling it is a matter of constructing the right URL and passing the right parameters. A bash script example for calling updateNodeCapabilities is provided in the DataONE reference documentation.