ssh connect to EC2(AWS) from PHP(FuelPHP) http://kkurahar.github.io/blog/2013/11/16/php-ssh-ec2/

ec2.php

<?php
return array(

  'ssh_key' => 'your_keypair_file', // /path/to/key.pem
  'ec2_host' => 'your_ec2_ipaddress', // 54.251.xx.xx
  'ec2_user' => 'your_ec2_user', // ec2-user

}

ssh_connect_ec2.php

<?php

namespace Fuel\Tasks;

// Include the Composer autoloader
require_once VENDORPATH . "autoload.php";

class Ssh_Connect_Ec2 {
    public function run() {
        $username = \Config::get('ec2_user');
        $host = \Config::get('ec2_host');
        $ssh_key = \Config::get('ssh_key');

        $key = new \Crypt_RSA();
        $key->loadKey(file_get_contents($ssh_key));

        $ssh = new \Net_SSH2($host);
        if (!$ssh->login($username, $key)) {
            exit('Login Failed');
        }

        echo $ssh->exec("cd /opt/aws && ls -ltr");
    }
}