These instructions were tested on MidnightBSD 3.3.2 with RemoteBox 3.5, other configurations may vary.
They describe installing the RemoteBox client and assume you have root privileges to perform the install. In order to connect from RemoteBox, VirtualBox will need to be installed and configured on the server and if necessary, appropriate firewall ports will need to be opened.
Tarball Install
Ensure the required dependencies are installed as follows:
mport install p5-Gtk3 p5-Regexp-Common p5-File-Which p5-SOAP-Lite freerdp
To launch RemoteBox, unpack the RemoteBox tarball and run the 'remotebox' executable.