https://www.raspberrypi.org/forums/viewtopic.php?p=921354

Nel nostro caso il server è creato sul Desktop dell'utente "pi" di Raspberry
/home/pi/Desktop/ServerLED <-- Cartella contenete il server

Creare il file serverLED.service

[Service]
WorkingDirectory=/home/pi/Desktop/ServerLED
ExecStart=sudo java -cp .:/opt/pi4j/lib/'*' ServerLED
Restart=always
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=propanel
User=root
Group=root
Environment=NODE_ENV=production
[Install]
WantedBy=multi-user.target


sudo cp serverLED.service /etc/systemd/system/
sudo chmod u+rwx /etc/systemd/system/serverLED.service
sudo systemctl enable server

sudo reboot

oppure

sudo systemctl start serverLED
sudo systemctl stop serverLED