ngrok is a service to publicize your local server application from Windows/MAC/Linux to a Global area, and we can start it for free! In this tutorial I will show you how to set up and play with it. Update your raspberry use this command to update your raspberry. $ sudo apt-get update$ sudo apt-get upgrade ngrok  Creat Account Enter this link and create a ngrok account. https://ngrok.com/ Because I am … Continue reading ngrok#Test your server in Public area