VMware/Fusion

Fusion is VMware’s equivalent of Workstation for Mac OS X:

Stopping virtual interfaces (via 1, 2:

$ sudo /Library/Application\ Support/VMware\ Fusion/boot.sh --stop

VNC server (via this note, that also describes headless and multi-HID usage).

Add these lines to the .vmx file (make sure the port number is unique):

RemoteDisplay.vnc.enabled = "TRUE"
RemoteDisplay.vnc.port = "5901"

Enabling headless mode is a matter of running:

defaults write com.vmware.fusion fluxCapacitor -bool YES