Invalid frontend name for VirtualBox without GUI

[Paul Norman]

On 12/4/2015 3:40 AM, Bob Bishop wrote:
>> >If I turn on the QT4 and X11 options, this error goes away. With
>> >just X11, I still get it.
>> >
>> >I would much rather not need to install X11 on my server. Are there
>> >any known fixes for this error?
> VBoxManage startvm --type headless <uuid|vmname>
>

Thanks. This fixes it.

I did VBoxManage setproperty defaultfrontend headless because I'm never 
going to want a non-headless VM.