profiter pleinement ne pas oublier d'ajouter son user au groupe **vboxusers**. Par exemple pour accéder aux périphériques USB.
sudo adduser USERNAME vboxusers
# then relogin (close/reopen sess... ble hibernate by default in upower]
Identity=unix-user:*
Action=org.freedesktop.upower.hibernate
ResultA... ble hibernate by default in logind]
Identity=unix-user:*
Action=org.freedesktop.login1.hibernate
ResultA