CentOS上安装NodeJs

（1）参照：http://www.cnblogs.com/zhangqingsh/archive/2013/04/15/3022583.html 安装Python2.7

（2）安装Nodejs

　　yum install gcc-c++ openssl-devel （nodejs需要openssl）

　　备注：安装python前要安装yum install bzip2*（nodejs需要bzip）

　　wget http://nodejs.org/dist/v0.10.30/node-v0.10.30.tar.gz
　　tar zxvf node-v0.10.30.tar.gz

　　cd node-v0.10.30

　　./configure

　　make && make install

（3）验证

　　node -h

Usage: node [options] [ -e script | script.js ] [arguments]
node debug script.js [arguments]

Options:
-v, --version print node's version
-e, --eval script evaluate script
-p, --print evaluate script and print result
-i, --interactive always enter the REPL even if stdin
does not appear to be a terminal
--no-deprecation silence deprecation warnings
--trace-deprecation show stack traces on deprecations
--v8-options print v8 command line options
--max-stack-size=val set max v8 stack size (bytes)

Environment variables:
NODE_PATH ':'-separated list of directories
prefixed to the module search path.
NODE_MODULE_CONTEXTS Set to 1 to load modules in their own
global contexts.
NODE_DISABLE_COLORS Set to 1 to disable colors in the REPL

Documentation can be found at http://nodejs.org/