Services
Auto-start and Auto-shutdown
Services - systemd
Services - rc.local
VirtualBox - Autostart and Autostop
Links
How To Use Systemctl to Manage Systemd Services and Units
How to run commands at shutdown on Linux
How to Prevent Accidental Shutdown or Reboot on Linux Using systemd Custom Service
systemd
(
systemd
in Debian is at /lib/systemd) and
systemctl