Автозапуск PtokaX на Rassberry Pi?, Не могу запустить

#!/bin/sh
### BEGIN INIT INFO
# Provides:          ptokax
# Required-Start:    $local_fs $remote_fs $network $syslog
# Required-Stop:     $local_fs $remote_fs $network $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# X-Interactive:     true
# Short-Description: Start/stop/restart the services for PtokaX DC Hub.
### END INIT INFO

PXUSER=root
PXPATH=/etc/ptokax
PXBIN=/usr/bin/ptokax

px_start() {
    if [ -x $PXBIN ]; then
        if [ "$(pidof $PXBIN)" != "" ]; then
            echo "PtokaX already running!"
        else
            ulimit -n 29240
            su -p -c "$PXBIN -d -c $PXPATH" $PXUSER
        fi
    fi
}
px_stop() {
    if [ "$(pidof $PXBIN)" != "" ]; then
        kill -15 $(pidof $PXBIN)
        echo "PtokaX stopping..."
    else
        echo "PtokaX not running!"
    fi
}
px_restart() {
    px_stop
    while [ "$(pidof $PXBIN)" != "" ]; do
        sleep 1
    done
    px_start
}

px_status() {
    if [ "$(pidof $PXBIN)" != "" ]; then
        echo "PtokaX running with PID(s): $(pidof $PXBIN)"
    else
        echo "PtokaX not running!"
    fi
}
case "$1" in
'start')
px_start
;;
'stop')
px_stop
;;
'restart')
px_restart
;;
'status')
px_status
;;
*)
echo "Usage start|stop|restart|status"

esac

exit 0

/etc/init.d/

chmod +x /etc/init.d/имя_файла

update-rc.d имя_файла defaults

[Unit]
Description=Ptokax DC Hub
After=network.target

[Service]
ExecStart=/usr/bin/ptokax -c /etc/ptokax
User=ptokax
Group=ptokax
Restart=always
RestartSec=5s
WorkingDirectory=/etc/ptokax
CapabilityBoundingSet=CAP_NET_BIND_SERVICE
AmbientCapabilities=CAP_NET_BIND_SERVICE
PrivateTmp=yes
PrivateDevices=yes
ProtectSystem=full
ProtectHome=yes
NoNewPrivileges=yes

[Install]
WantedBy=multi-user.target

systemctl daemon-reload
systemctl enable ptokax.service
systemctl start ptokax.service

systemctl show |grep UnitPath