Über VBox Manager
VBox Manager allows you to remotely manage a VirtualBox installation and access without needed to install any additional software or extension on the host machine.
View virtual machines on the host server
Start and Stop virtual machines
View the current screen of the virtual machine
Change virtual machine parameters such as RAM allocation, number of CPU’s, network type and remote display options
IMPORTANT: At this time VBox Manager only work with VirtualBox instances that are running on Linux or OSX workstations or servers.