Install brew :
ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
Install node:
Install Node.js.
Checkout the project from GIT as https://github.com/sarojrout/Twitter-Streaming.git
Install Node module dependencies
Go to the folder /Twitter-Streaming and type npm install
Open app.js and replace the consumer key, consumer secret etc by taking it from your Twitter App
To Start the project,
Go to the folder /Twitter_Streaming and then type as given below
node app.js
Launch App
Go to Browser and hit http://127.0.0.1:3000
You should have a twitter app. To create a new twitter app account, visit https://apps.twitter.com/