Use VirtualBox over VNC

While for regular use one might setup a headless VM with RDP and/or SSH running on the VM itself, this procedure is for connecting to a virtual machine on a remote PC.

Prerequisites:

• Remote: VirtualBox install of guest operating system
• local: apt install xfreerdp-x11

on your local laptop, create a script vmrdp.sh containing:

#!/usr/bin/env bash

set -o errexit

ssh -f -L 5930:localhost:5930 sshusername@1.2.3.4 sleep 1;

xfreerdp /u:VMusername /v:localhost:5930

Optionally, add a few simple FreeRDP options to enhance performance, especially on limited data bandwidth connections

Most people can use the VirtualBox GUI, and don’t need the alternative command line option. Establish a VNC connection over SSH The very basic OpenBox desktop environment can open a Terminal on the remote PC by right clicking anywhere on the remote desktop and type

virtualbox

The usual VirtualBox program should open

From the right dropdown menu of the right arrow “start” button on the main VirtualBox window on the remote VNC PC, click headless. The status of the VM will show “Running”. Connect from laptop with a script vmrdp.sh as above. When done, shutdown your VM as usual if desired.

Most can use the GUI method above, but VirtualBox can also be managed well via shell commands.

virtualbox vmstart MyVMName --headless

starts up the VM named “MyVMName” for example. Numerous headless options exist for low server resource utilization via VBoxManage CLI.