ubuntu下安装node.js

1,首先安装一下依赖包

sudo apt-get install g++ curl libssl-dev apache2-utils

2,安装必备的git

sudo apt-get install git-core

3,通过git下载node

git clone git://github.com/ry/node.git

4,解压

wget http://nodejs.org/dist/node-v0.1.96.tar.gz gunzip node-v0.1.96.tar.gz
tar -xf node-v0.1.96.tar

5,安装

cd node
./configure
make
sudo make install

6,简单的小例子

var http = require('http');
var url = ('ajax.googleapis.com')
var google = http.createClient(80, url);
var text = "Hello World from node!";
var requestUrl = '/ajax/services/language/translate?v=1.0&q=' +
escape(text) + '&langpair=en%7Cfr'
var request = google.request('GET', requestUrl,
{"host": "ajax.googleapis.com"});
request.end();
request.addListener('response', function (response) {
var body = '';
response.addListener('data', function (chunk) {
body += chunk;
});
response.addListener("end", function() {
var jsonData = JSON.parse(body);
console.log(jsonData.responseData.translatedText);
})
});

来源：http://www.sevenmike.com/2011/05/26/install-node-js-in-ubuntu/