==== Authentication ====
=== Add A User Administrator as Per Recommended by MongoDB ===
<code>
$ mongo
> db = db.getSiblingDB('admin')
> db.createUser({user: "username", pwd: "password", roles: ["userAdminAnyDatabase"]})
</code>

=== Add A FULL PRIVILEGED User (to unlock full functionality of RockMongo, etc) ===
<code>
$ mongo
> db = db.getSiblingDB('admin')
> db.createUser({user: "username", pwd: "password", roles: ["dbAdminAnyDatabase", "userAdminAnyDatabase", "readWriteAnyDatabase", "clusterAdmin"]})
</code>

References:

  * http://www.mongodb.org/display/DOCS/Security+and+Authentication
  * http://docs.mongodb.org/manual/tutorial/add-user-administrator/