http://yeoman.io/learning/

yeoman과 bower 설치 
$ sudo npm install -g yo bower grunt  grunt-cli
$ sudo npm install -g generator-webapp 



npm이 없다면
OSX
$ brew install npm 

Ubuntu

origoni@ubuntu1404:~$ 

sudo apt-get install npm

sudo apt-get install nodejs-legacy


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sudo apt-get install libtomcat6-java

sudo apt-get install libjetty-extra-java

sudo apt-get install libgradle-plugins-java

sudo apt-get install gradle


sudo apt-get install git




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origoni@ubuntu1404:~$ sudo npm uninstall -g yo

unbuild yo@1.1.2

origoni@ubuntu1404:~$ sudo npm cache clean

origoni@ubuntu1404:~$ sudo npm install -g npm

npm http GET https://registry.npmjs.org/npm

npm http 200 https://registry.npmjs.org/npm

npm http GET https://registry.npmjs.org/npm/-/npm-2.1.8.tgz

npm http 200 https://registry.npmjs.org/npm/-/npm-2.1.8.tgz

/usr/local/bin/npm -> /usr/local/lib/node_modules/npm/bin/npm-cli.js

npm@2.1.8 /usr/local/lib/node_modules/npm

origoni@ubuntu1404:~$ sudo npm install -g yo