nodejs oraclejetをインストールします.

もっと読む
uuntuの下にnodejsをインストールします.
Debian and Ubuntu based Linux distributions
If you are using Ubuntu Precse or Debian Wheezy,you might want to read about running Node.js==4.x on older distros

curl -sL https://deb.nodesource.com/setup_4.x | sudo -E bash -
sudo apt-get install -y nodejs

Optional:install build tools
To comple and install native addons from npm you may also need to install build tools:

sudo apt-get install -y build-essential

udat npm

npm install -g npm

    n  ：
npm install -g n

  node     
n latest

  node.js      
n stable

npm -v          #    ，  npm       。 
npm install express   #  express   
npm install -g express  #    express  
npm list         #       
npm show express     #      
npm update        #               
npm update express    #               
npm update -g express  #       express  
npm uninstall express  #       

install oraclejet

      ：yo、 grunt、 bower、 git、 grunt-cli
      ，  yo npm 》 3.0
npm -g install yo grunt bower git grunt-cli
  jet
npm -g install generator-oraclejet 
  jet  
yo oraclejet