title: node.js npm install fs error
body: <pre><code>ubuntu@ip-xxx-xx-x-xxx:/var/www/html$ npm install fs
  npm WARN package.json crypto@0.0.3 crypto is also the name of a node core module.
  npm WARN package.json filesystem@1.0.1 No description
  npm WARN package.json http@0.0.0 http is also the name of a node core module.
  npm WARN package.json http@0.0.0 No description
  npm WARN package.json http@0.0.0 No repository field.
  npm WARN package.json js@0.1.0 No repository field.
  
  npm WARN package.json querystring@0.2.0 querystring is also the name of a node core module.
      npm WARN package.json url@0.10.1 url is also the name of a node core module.
      npm WARN package.json util@0.10.3 util is also the name of a node core module.
      npm ERR! 404 Not Found
      npm ERR! 404 
      npm ERR! 404 'fs' is not in the npm registry.
      npm ERR! 404 You should bug the author to publish it
      npm ERR! 404 
      npm ERR! 404 Note that you can also install from a
      npm ERR! 404 tarball, folder, or http url, or git url.
  </code></pre>
  
  <p>npm ERR! System Linux 3.13.0-24-generic
      npm ERR! command "/usr/local/bin/node" "/usr/local/bin/npm" "install" "fs"
      npm ERR! cwd /var/www/html
      npm ERR! node -v v0.10.29
      npm ERR! npm -v 1.4.14
      npm ERR! code E404
      npm ERR! Error: EACCES, open 'npm-debug.log'
      npm ERR!  { [Error: EACCES, open 'npm-debug.log'] errno: 3, code: 'EACCES', path: 'npm-debug.log' }</p>
  
  <p>npm ERR! Please try running this command again as root/Administrator.</p>
  
  <pre><code>npm ERR! System Linux 3.13.0-24-generic
  npm ERR! command "/usr/local/bin/node" "/usr/local/bin/npm" "install" "fs"
  npm ERR! cwd /var/www/html
  npm ERR! node -v v0.10.29
  npm ERR! npm -v 1.4.14
  npm ERR! path npm-debug.log
  npm ERR! code EACCES
  npm ERR! errno 3
  npm ERR! stack Error: EACCES, open 'npm-debug.log'
  npm ERR! 
  npm ERR! Additional logging details can be found in:
  npm ERR!     /var/www/html/npm-debug.log
  npm ERR! not ok code 0
  </code></pre>
  
  <p>I 'm typed "npm install fs" ,but see the this error.</p>