First make sure you have both npm and nodejs installed
npm -v
node -v
Install weinre on the computer you want to run the debugger on
sudo npm -g install weinre
Run weinre on the computer that also runs the webserver (amigo1)
weinre --boundHost -all-
Go to your mobile website and add ?debug to the URL. This will
connect your phone to the weinre debugging service.
Visit the debugger in your browser. Go to http://localhost:8080 to visit the debugger or replace localhost with the IP address of amigo.