Connect RM and VirtualBox
Oracle VM VirtualBox is a registered trademark of Oracle Corporation. VirtualBox is short for Oracle VM VirtualBox. The Release-Manager (RM) is not related to VirtualBox but Release-Manager (RM) is compatible with VirtualBox.
In order to use VirtualBox along with Release-Manager (RM) a TCP-Connection is used. The connection is restricted to username and password. You need a valid username and a valid password in Order to establish the connection. The credentials are stored in a file in the home-directory of the system-accout the Release-Manager (RM) runs in.
Example:
user=virtualbox
pass=changeme
In order to establish the connection between Release-Manager (RM) and vboxwebsvr, both systems must be running on the same machine. The TCP-Connection is established always on the port 18083.