auto_shutdown_proxmox

gistfile1.txt

```
$ cat /root/autoshutdown.sh

#!/bin/bash
qm list | grep running
if [ $? -eq 1 ]
then
      shutdown -h now
fi
```

```
$ cat /etc/systemd/system/autoshutdown.timer

[Unit]
Description=autoshutdown timer
Requires=autoshutdown.service

[Timer]
OnBootSec=900
OnUnitActiveSec=300
Unit=autoshutdown.service

[Install]
WantedBy=timers.target
```

```
$ cat /etc/systemd/system/autoshutdown.service

[Unit]
Description=autoshutdown service
Wants=autoshutdown.timer

[Service]
Type=oneshot
ExecStart=/usr/bin/sh /root/autoshutdown.sh
```

```
$ systemctl daemon-reload 
$ systemctl enable autoshutdown.timer && systemctl start autoshutdown.timer
```

Reboot time is 16:20

```
$ systemctl status autoshutdown.timer
● autoshutdown.timer - autoshutdown timer
     Loaded: loaded (/etc/systemd/system/autoshutdown.timer; enabled; vendor preset: enabled)
     Active: active (waiting) since Sat 2022-06-25 16:20:48 CEST; 3min 1s ago
    Trigger: Sat 2022-06-25 16:25:48 CEST; 1min 58s left
   Triggers: ● autoshutdown.service

Jun 25 16:20:48 gamera-pve systemd[1]: Started autoshutdown timer.
```


```
$ systemctl status autoshutdown.service
● autoshutdown.service - autoshutdown service
     Loaded: loaded (/etc/systemd/system/autoshutdown.service; static)
     Active: inactive (dead) since Sat 2022-06-25 16:20:49 CEST; 3min 49s ago
TriggeredBy: ● autoshutdown.timer
    Process: 1559 ExecStart=/usr/bin/sh /root/autoshutdown.sh (code=exited, status=0/SUCCESS)
   Main PID: 1559 (code=exited, status=0/SUCCESS)
        CPU: 466ms

Jun 25 16:20:48 gamera-pve systemd[1]: Starting autoshutdown service...
Jun 25 16:20:49 gamera-pve sh[1562]: ipcc_send_rec[1] failed: Connection refused
Jun 25 16:20:49 gamera-pve sh[1562]: ipcc_send_rec[2] failed: Connection refused
Jun 25 16:20:49 gamera-pve sh[1562]: ipcc_send_rec[3] failed: Connection refused
Jun 25 16:20:49 gamera-pve sh[1562]: Unable to load access control list: Connection refused
Jun 25 16:20:49 gamera-pve sh[1559]: shutdown -h now
Jun 25 16:20:49 gamera-pve systemd[1]: autoshutdown.service: Succeeded.
Jun 25 16:20:49 gamera-pve systemd[1]: Finished autoshutdown service.
```

### Script

- https://forum.proxmox.com/threads/script-to-shutdown-node-when-no-vm-active-for-1-hour.38803/post-218473
- https://forum.proxmox.com/threads/automatisches-starten-und-herunterfahren-bei-unt%C3%A4tigkeit.64940/

### Issue

- https://gist.github.com/drmalex07/350238961f451d6946dd?permalink_comment_id=2216416#gistcomment-2216416

### Source

- https://linuxhint.com/cron_systemd_timer/
- https://wiki.ubuntuusers.de/systemd/Timer_Units/
- https://wiki.archlinux.org/title/Systemd/Timers
- https://wiki.archlinux.de/title/Systemd/Timers
- https://kofler.info/systemd-timer-als-cron-alternative/
- https://www.linux-magazine.com/index.php/layout/set/print/Issues/2018/214/Systemd-Timers/(tagID)/628
- https://unix.stackexchange.com/questions/556391/how-to-continuously-run-a-script-with-systemd
- https://unix.stackexchange.com/questions/427346/im-writing-a-systemd-timer-what-value-should-i-use-for-wantedby
- https://forum.proxmox.com/threads/run-systemd-service-after-proxmox-finished-starting.82284/
- https://unix.stackexchange.com/questions/126786/systemd-timer-every-15-minutes#comment913273_294200
- https://techoverflow.net/2021/06/11/how-to-run-systemd-timer-every-five-minutes/