安装npm install express-generator时出错-g

Question

npm install express会导致以下错误。如何解决此问题？这个问题已经有很多重复的错误答案，我与下面的正确答案分享了这个问题，以澄清事情。

-bash-3.2$ npm install express-generator -g 
npm WARN engine [email protected]: wanted: {"node":">= 0.10"} (current: {"node":"v0.9.4-pre","npm":"1.4.16"}) 
npm ERR! error rolling back Error: EACCES, unlink '/usr/local/bin/express' 
npm ERR! error rolling back [email protected] { [Error: EACCES, unlink '/usr/local/bin/express'] errno: 3, code: 'EACCES', path: '/usr/local/bin/express' } 
npm ERR! Error: EACCES, unlink '/usr/local/bin/express' 
npm ERR! { [Error: EACCES, unlink '/usr/local/bin/express'] errno: 3, code: 'EACCES', path: '/usr/local/bin/express' } 
npm ERR! 
npm ERR! Please try running this command again as root/Administrator. 

npm ERR! System Linux 2.6.23.17-88.fc7 
npm ERR! command "node" "/usr/local/bin/npm" "install" "express-generator" "-g" 
npm ERR! cwd /home/sukumar/www/nodejs/socialgrow 
npm ERR! node -v v0.9.4-pre 
npm ERR! npm -v 1.4.16 
npm ERR! path /usr/local/bin/express 
npm ERR! code EACCES 
npm ERR! errno 3 
npm ERR! stack Error: EACCES, unlink '/usr/local/bin/express' 
npm ERR! 
npm ERR! Additional logging details can be found in: 
npm ERR!  /home/sukumar/www/nodejs/socialgrow/npm-debug.log 
npm ERR! not ok code 0 

Answer 1

您只能以root/admin身份在全局安装模块（-g）。以root身份运行并重试。