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 -d m /etc/init.d/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

rc.local

#!/bin/sh -e
# /etc/rc.local
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

# Print the IP address
_IP=$(hostname -I) || true
if [ "$_IP" ]; then
  printf "My IP address is %s\n" "$_IP"
fi

/etc/init.d/ngrok.sh start

exit 0