# /etc/systemd/system/hgx11stop.service
# systemctl enable hgx11stop.service && systemctl start hgx11stop.service
[Unit]
Description=Clears hyperion LED's on shutdown.

[Service]
ExecStart=/usr/bin/echo 1
RemainAfterExit=1
ExecStop=/usr/bin/hyperion-remote -a 192.168.2.213:19444 -c 000000

[Install]
WantedBy=multi-user.target