vboxmanage-registervm
Register a virtual machine (VM). More information: https://www.virtualbox.org/manual/ch08.html#vboxmanage-registervm.
- Register an existing VM:
VBoxManage registervm {{path/to/filename.vbox}}
- Supply the encryption password file of the VM:
VBoxManage registervm {{path/to/filename.vbox}} --password {{path/to/password_file}}
- Prompt for the encryption password on the command-line:
VBoxManage registervm {{path/to/filename.vbox}} --password -