ngrok create a fixed domain every time code example

Example 1: how do you stop your ngrok tunnel

On windows machine go to command prompt:

taskkill /f /im ngrok.exe

Example 2: ngrok

Start tunnel with any port
./ngrok http http://localhost:9999

Example:
http://1ffcb38dcb8b.ngrok.io/paragonasia/

BAD:
http://1ffcb38dcb8b.ngrok.io/paragonasia

Start tunnel with prt 80
./ngrok http 80