MQTT am OrangePi

Ich habe Mosquitto installiert, bin aber nicht in der Lage, den Service automatisch starten zu lassen via "Systemctl enable mosquitto", ...

service mosquitto status gibt folgende Fehlermeldung:

× mosquitto.service - Mosquitto MQTT Broker
    Loaded: loaded (/usr/lib/systemd/system/mosquitto.service; enabled; preset: enabled)
    Active: failed (Result: exit-code) since Sat 2025-03-15 07:44:26 CET; 1min 19s ago
Invocation: 7a54a7c2c0f64538a14b138da73880e9
      Docs: man:mosquitto.conf(5)
            man:mosquitto(8)
   Process: 793 ExecStartPre=/bin/mkdir -m 740 -p /var/log/mosquitto (code=exited, status=0/SUCCESS)
   Process: 800 ExecStartPre=/bin/chown mosquitto:mosquitto /var/log/mosquitto (code=exited, status=0/SUCCESS)
   Process: 804 ExecStartPre=/bin/mkdir -m 740 -p /run/mosquitto (code=exited, status=0/SUCCESS)
   Process: 806 ExecStartPre=/bin/chown mosquitto:mosquitto /run/mosquitto (code=exited, status=0/SUCCESS)
   Process: 811 ExecStart=/usr/sbin/mosquitto -c /etc/mosquitto/mosquitto.conf (code=exited, status=3)
  Main PID: 811 (code=exited, status=3)

Mar 15 07:44:26 orangepi systemd[1]: mosquitto.service: Scheduled restart job, restart counter is at 5.
Mar 15 07:44:26 orangepi systemd[1]: mosquitto.service: Start request repeated too quickly.
Mar 15 07:44:26 orangepi systemd[1]: mosquitto.service: Failed with result 'exit-code'.
Mar 15 07:44:26 orangepi systemd[1]: Failed to start mosquitto.service - Mosquitto MQTT Broker.

Ich habe keinen weiteren Ansatz nach Stundenlangem googeln, ... wäre euch sehr dankbar, sollte sich mein Fehler finden...

danke

EDIT: Ich kann den Service mit "mosquitto" aber starten, ....

[Unit]
Description=Mosquitto MQTT Broker
Documentation=man:mosquitto.conf(5) man:mosquitto(8)
After=network.target
Wants=network.target

[Service]
Type=notify
NotifyAccess=main
ExecStart=/usr/sbin/mosquitto -c /etc/mosquitto/mosquitto.conf
ExecReload=/bin/kill -HUP $MAINPID
Restart=on-failure
ExecStartPre=/bin/mkdir -m 740 -p /var/log/mosquitto
ExecStartPre=/bin/chown mosquitto:mosquitto /var/log/mosquitto
ExecStartPre=/bin/mkdir -m 740 -p /run/mosquitto
ExecStartPre=/bin/chown mosquitto:mosquitto /run/mosquitto

[Install]
WantedBy=multi-user.target

wenn diese service datei gemeint ist

er gibt zurück auf sudo /usr/sbin/mosquitto -c /etc/mosquitto/mosquitto.conf

1742026993: Error: Unknown configuration variable "/var/log/mosquitto/mosquitto.log".
1742026993: Error found at /etc/mosquitto/mosquitto.conf:13

die mosquitto.conf file

# Place your local configuration in /etc/mosquitto/conf.d/
#
# A full description of the configuration file is at
# /usr/share/doc/mosquitto/examples/mosquitto.conf.example

#pid_file /run/mosquitto/mosquitto.pid

persistence true
persistence_location /var/lib/mosquitto/

log_dest file /var/log/mosquitto/mosquitto.log

/var/log/mosquitto/mosquitto.log

die 13. Zeile ist das mit /var/log/mosquitto/mosquitto.log

Wenn ich ihn selbst händisch starte kommen folgende Zeilen (falls es hilft):
root@orangepi:~# mosquitto
1742027463: mosquitto version 2.0.18 starting
1742027463: Using default config.
1742027463: Starting in local only mode. Connections will only be possible from clients running on this machine.
1742027463: Create a configuration file which defines a listener to allow remote access.
1742027463: For more details see https://mosquitto.org/documentation/authentication-methods/
1742027463: Opening ipv4 listen socket on port 1883.
1742027463: Opening ipv6 listen socket on port 1883.
1742027463: mosquitto version 2.0.18 running

Danke an Juhu und Fred ! funktioniert jetzt