Power Control¶

vboxmanage startvm ${VM_UUID} --type headless
vboxmanage controlvm ${VM_UUID} acpipowerbutton
vboxmanage controlvm ${VM_UUID} poweroff
vboxmanage controlvm ${VM_UUID} reset

Power off All VMs¶

vboxmanage list runningvms \
  | grep -Eo '\{[0-9a-f-]{36}\}' \
  | sed -re 's/^\{//;s/\}$//' \
  | xargs -t -L 1 -I '{}' vboxmanage controlvm {} acpipowerbutton