node.js npm install fs error

Question

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. 

npm ERR! Sistema Linux 3.13.0-24-generic npm ERR! comando "/ 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! codice E404 npm ERR! Errore: EACCES, aprire 'npm-debug.log' ERR npm! {[Errore: EACCES, aprire 'npm-debug.log'] errno: 3, codice: 'EACCES', percorso: 'npm-debug.log'}

npm ERR! Prova a eseguire nuovamente questo comando come root/amministratore.

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 

Ho digitato "npm install fs", ma vedere questo errore.

Answer 1

Si riceve un errore perché il modulo fs fa parte dei moduli principali del nodo. Non è necessario installare. http://nodejs.org/api/fs.html