node.js npm install fs error

Question

ubuntu@ip-xxx-xx-x-xxx:/var/www/html$ npm install fs
npm WARN package.json [email protected] crypto is also the name of a node core module.
npm WARN package.json [email protected] No description
npm WARN package.json [email protected] http is also the name of a node core module.
npm WARN package.json [email protected] No description
npm WARN package.json [email protected] No repository field.
npm WARN package.json [email protected] No repository field.

npm WARN package.json [email protected] querystring is also the name of a node core module.
    npm WARN package.json [email protected] url is also the name of a node core module.
    npm WARN package.json [email protected] 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.

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' }

npm ERR! Please try running this command again as root/Administrator.

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

I 'm typed "npm install fs" ,but see the this error.

Answer 1

You're getting error because fs module is part of node's core modules. You don't need to install. http://nodejs.org/api/fs.html

Answer 2

you don't need to install nodejs internal modules, but you can update them. fs is a internal node js module!