This guide uses Yeoman to scaffold  an Angular Application. It should get you started in no time.

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Please note that DO NOT use sudo to run any of the npm commands. npm will try to use the ~/tmp folder to create temporary files, this folder should belong to the user currently logged in, it can cause all sorts of permissions issues if you use the sudo command to run any npm tasks. However if you have done this in the past, the best thing to do is to recusively set everything within your home directory to the correct permission. Such as

sudo chown -R <username> ~/*
sudo chgrp -R <username> ~/*

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Install Yeoman

npm install -g yo

Install Angular generator plug-in

npm install -g generator-angular

Install Rudy and Compass [optional: if you want to use SASS].

sudo apt-get install ruby -y
sudo apt-get install compass -y

*There is also a good article talking about why SASS is good.

Create the project

mkdir <project-folder-name> && cd $_
yo angular

*This will only generate the bare minimum skeleton for your application, if you need to generate controllers, views, templates, read the guide on github.

To build the project for production

grunt

To preview the project

grunt server

*This is the genius part. When you start the server, all changes you made to the application will be instantly reflected into the browser. This is done by configuring the ‘watch’ section within gruntfile.js

At last, I strongly suggest you watch the introduction videos on the Yeoman website.