Script to start Ngrok at raspberry every boot

ngrokService.sh

#! /bin/sh
# /etc/init.d/ngrok

case "$1" in
  start)
    echo "Ngrok service is starting"
    screen ./ngrok start -all -config /home/pi/.ngrok2/ngrok.yml
    echo "Ngrok service was started"
    ;;
  stop)
    echo "Ngrok is stopping"
    killall ngrok
    echo "Service ngrok was stopped"
    ;;
  *)
    echo "Usage: /etc/init.d/ngrok.sh {start|stop}"
    exit 1
    ;;
esac

exit 0