自己的mac上安装没问题，在阿里的ECS上安装就出现了错误，ECS配置是CentOS 6.5 ,node 是用 yum安装好之后使用n更新为最新稳定版本,求论坛的高手出手相助。

** node 版本** node -v v0.12.7

npm 版本

npm -v 2.11.3

error

sudo npm install -g yo 
 spawn-sync@1.0.11 postinstall /usr/local/lib/node_modules/yo/node_modules/cross-spawn/node_modules/spawn-sync
 node postinstall


fs.js:439
  return binding.open(pathModule._makeLong(path), stringToFlags(flags), mode);
                 
Error: EACCES, permission denied '/usr/local/lib/node_modules/yo/node_modules/cross-spawn/node_modules/spawn-sync/package.json'
    at Object.fs.openSync (fs.js:439:18)
    at Object.fs.writeFileSync (fs.js:978:15)
    at Object.<anonymous> (/usr/local/lib/node_modules/yo/node_modules/cross-spawn/node_modules/spawn-sync/postinstall.js:20:6)
    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)
    at startup (node.js:119:16)
    at node.js:929:3
npm ERR! Linux 2.6.32-431.23.3.el6.x86_64
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install" "-g" "yo"
npm ERR! node v0.12.7
npm ERR! npm  v2.11.3
npm ERR! code ELIFECYCLE

npm ERR! spawn-sync@1.0.11 postinstall: `node postinstall`
npm ERR! Exit status 8
npm ERR! 
npm ERR! Failed at the spawn-sync@1.0.11 postinstall script 'node postinstall'.
npm ERR! This is most likely a problem with the spawn-sync package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node postinstall
npm ERR! You can get their info via:
npm ERR!     npm owner ls spawn-sync
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any suppor ```