node.js安装（CentOS）

node.js官方地址为：http://nodejs.org

README内容如下：

Evented I/O for V8 javascript. [![Build Status](https://secure.travis-ci.org/joyent/node.png)](http://travis-ci.org/joyent/node)
===

### To build:

Prerequisites (Unix only):

    * Python 2.6 or 2.7
    * GNU Make 3.81 or newer
    * libexecinfo (FreeBSD and OpenBSD only)

Unix/Macintosh:

    ./configure
    make
    make install

If your python binary is in a non-standard location or has a
non-standard name, run the following instead:

    export PYTHON=/path/to/python
    $PYTHON ./configure
    make
    make install

Windows:

    vcbuild.bat

### To run the tests:

Unix/Macintosh:

    make test

Windows:

    vcbuild.bat test

### To build the documentation:

    make doc

### To read the documentation:

    man doc/node.1

Resources for Newcomers
---
  - [The Wiki](https://github.com/joyent/node/wiki)
  - [nodejs.org](http://nodejs.org/)
  - [how to install node.js and npm (node package manager)](http://joyeur.com/2010/12/10/installing-node-and-npm/)
  - [list of modules](https://github.com/joyent/node/wiki/modules)
  - [searching the npm registry](http://search.npmjs.org/)
  - [list of companies and projects using node](https://github.com/joyent/node/wiki/Projects,-Applications,-and-Companies-Using-Node)
  - [node.js mailing list](http://groups.google.com/group/nodejs)
  - irc chatroom, [#node.js on freenode.net](http://webchat.freenode.net?channels=node.js&uio=d4)
  - [community](https://github.com/joyent/node/wiki/Community)
  - [contributing](https://github.com/joyent/node/wiki/Contributing)
  - [big list of all the helpful wiki pages](https://github.com/joyent/node/wiki/_pages)

备注：

Step1：安装Python2.7，参照：http://www.cnblogs.com/zhangqingsh/archive/2013/04/15/3022583.html

Step2：安装GNU Make，参照：