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The hostname and port information displayed with after the server startup is needed later (see "Server::start -host ..."). The -power flag ist need to to license resons. The -collab flag is needed if you local and remote user name differ. -collab allows anyone to attach to your server, but do not worry: our system forbids others to access your allocated exclusive compute nodes (Beside you only root can ssh there.).
Locally, the StarCCM client requires a password-less SSH connection, however du to security reasons NHR@ZIB allows password protected ssh keys only. To resolve this conflict on Linux/Mac systems run a ssh-agent in the background:
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