How to run systemd service as the last service before shutdown?
Using this systemd unit file you can run either some command or script as a last service before shutdown in Linux. Now ideally any systemd service gets called via ExecStop at shutdown stage and with ExecStart at boot up stage.
How do I shut down the system using systemd?
To shut down the system and power off the machine, type the following at a shell prompt as root: To shut down and halt the system without powering off the machine, run the following command as root: By default, running either of these commands causes systemd to send an informative message to all users that are currently logged into the system.
How do I shut down a Linux system in 5 minutes?
$ sudo shutdown --halt +5 “Attention. The system is going down in five minutes.” You can also use the systemctl command to shut down the system. For example, type systemctl halt or systemctl poweroff to achieve similar results to the shutdown command.
What is systemd-shutdownd?
systemd-shutdownd.service is automatically activated on request and terminates itself when it is unused. SEE ALSO systemd(1), shutdown(8) systemd 219 SYSTEMD-SHUTDOWND.SERVICE(8)