在Mac上的Terminal上安裝Express

Question

我得到這段代碼。我在Mac上。我已經安裝了npm。我是管理員。我究竟做錯了什麼？我一直在Google上搜索幾個小時。

Matts-MacBook-Pro-3:Start Matt$ npm install express-generator -g 
npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules/express-generator 
npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules 
/usr/local/lib 
└── express-generator@4.13.1 

npm ERR! Darwin 14.5.0 
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "express-generator" "-g" 
npm ERR! node v5.3.0 
npm ERR! npm v3.3.12 
npm ERR! path /usr/local/lib/node_modules/express-generator 
npm ERR! code EACCES 
npm ERR! errno -13 
npm ERR! syscall access 

npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules/express-generator' 
npm ERR!  at Error (native) 
npm ERR! { [Error: EACCES: permission denied, access '/usr/local/lib/node_modules/express-generator'] 
npm ERR! errno: -13, 
npm ERR! code: 'EACCES', 
npm ERR! syscall: 'access', 
npm ERR! path: '/usr/local/lib/node_modules/express-generator' } 
npm ERR! 
npm ERR! Please try running this command again as root/Administrator. 

npm ERR! Please include the following file with any support request: 
npm ERR!  /Users/Matt/Start/Start/npm-debug.log 
Matts-MacBook-Pro-3:Start Matt$ 

Answer 1

嘗試清除npm緩存並再次嘗試npm安裝。您可以使用以下命令清除npm緩存。

npm cache clean <path to express-generator> 

有時候你得到這個錯誤，甚至當你在SSH，故宮註冊表可能被配置爲使用NPM包不同的註冊表和註冊表可能沒有一個明確的發電機