ubuntu安装配置nodejs

安装nodejs，npm

apt-get install nodejs
apt-get install npm

编写hello.js

var http = require('http');
http.createServer(
function(req, res){
res.writeHead(200, {'Content-Type':'text/plain'});
res.end('hello node.js');
}
).listen(8124,"127.0.0.1");
console.log('Server running at http://127.0.0.1:8124/');

运行

node hello.js

打开浏览器即可看到

hello node.js