name : unattended-upgrades.service [Unit] Description=Unattended Upgrades Shutdown After=network.target local-fs.target systemd-logind.service RequiresMountsFor=/run /var/log /var/run /var/lib /boot Documentation=man:unattended-upgrade(8) [Service] ExecStart=/usr/share/unattended-upgrades/unattended-upgrade-shutdown --wait-for-signal KillMode=process TimeoutStopSec=1800 [Install] WantedBy=multi-user.target