title: How to upgrade Node js version to 0.12.4 on Ubuntu
body: <p>I want to upgrade Node JS version on Ubuntu.</p>
  
  <p>I tried many commands but its version is still the older i.e v0.10.37.</p>
  
  <p>I tried:</p>
  
  <pre><code>sudo npm install -g n
  sudo n install 0.12.4
  sudo n use 0.12.4
  </code></pre>
  
  <p>Also tried with nvm but non of them works for me. How can I upgrade Node Js version to 0.12.4?</p>