EngineGP/system/library/cron/scan_control.php

<?php
    if(!DEFINED('EGP'))
        exit(header('Refresh: 0; URL=http://'.$_SERVER['SERVER_NAME'].'/404'));

    class scan_control extends cron
    {
        function __construct()
        {
            global $cfg, $sql;

            include(LIB.'ssh.php');
            include(LIB.'control/control.php');

            $sql->query('SELECT `id` FROM `control` ORDER BY `id` ASC');
            while($ctrl = $sql->get())
                ctrl::update_status($ctrl['id'], $ssh);

            return NULL;
        }
    }
?>