mosquitto (MQTT Broker) systemd

file: /etc/systemd/system/mosquitto.service

[Unit]
Description=Mosquitto MQTT Broker daemon
ConditionPathExists=/etc/mosquitto/mosquitto.conf
Requires=network.target

[Service]
Type=simple
ExecStartPre=/usr/bin/rm -f /var/run/mosquitto.pid
ExecStart=/usr/bin/mosquitto -c /etc/mosquitto/mosquitto.conf -d
ExecReload=/bin/kill -HUP $MAINPID
PIDFile=/run/mosquitto.pid
Restart=on-failure

[Install]
WantedBy=multi-user.target


$ systemctl status mosquitto

mosquitto.service - Mosquitto MQTT Broker daemon
   Loaded: loaded (/etc/systemd/system/mosquitto.service; enabled; vendor preset: disabled)
   Active: failed (Result: start-limit) since Sat 2015-01-31 10:24:26 GMT; 2h 34min ago
  Process: 242 ExecStart=/usr/bin/mosquitto -c /etc/mosquitto/mosquitto.conf -d (code=exited, status=3)
  Process: 240 ExecStartPre=/usr/bin/rm -f /var/run/mosquitto.pid (code=exited, status=0/SUCCESS)
 Main PID: 242 (code=exited, status=3)