安装 tj 写的版本管理工具 n 模块后,出现如下问题.原来用 nvm 管理没问题,但是现在用也会出错,请问是什么原因呢?非常感谢!

 ~ npm install -g n /home/joes/.nvm/v0.10.38/bin/n -> /home/joes/.nvm/v0.10.38/lib/node_modules/n/bin/n [email protected] /home/joes/.nvm/v0.10.38/lib/node_modules/n ~ n mkdir: cannot create directory ‘/usr/local/n/versions ’: Permission denied mkdir: cannot create directory ‘/usr/local/n/versions ’: Permission denied find: '/usr/local/n/versions': No such file or directory Error: no installed version 

 ~ nvm module.js:340 throw err; ^ Error: Cannot find module './nvm-help' at Function.Module._resolveFilename (module.js:338:15) at Function.Module._load (module.js:280:25) at Module.require (module.js:364:17) at require (module.js:380:17) at Object.<anonymous> (/home/joes/.nvm/v0.10.38/lib/node_modules/nvm/bin/nvm:24:3) at Module._compile (module.js:456:26) at Object.Module._extensions..js (module.js:474:10) at Module.load (module.js:356:32) at Function.Module._load (module.js:312:12) at Function.Module.runMain (module.js:497:10)