Error when running linux browser

[mail2nisam]

I tried to setup this app on Linux environment. I followed your steps that you described. When I run,
ionic serve The mobile browser showing 404

http://192.168.1.49:8100/build/js/app.bundle.js
Failed to load resource: the server responded with a status of 404

The strange thing is that There is no directory name build

I am new in ionic

The error still happening because folder build isn't generated.

[shah-smit]

@giancarloandroid looks like your npm modules were not added correctly. Could you run npm install again!