EngineGP/system/acp/engine/system.php

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

if ($go) {
    $sql->query('SELECT `address`, `passwd` FROM `panel` LIMIT 1');
    $unit = $sql->get();

    include(LIB . 'ssh.php');

    if (isset($url['service']) and in_array($url['service'], array('apache2', 'nginx', 'mysql', 'unit'))) {
        if (!$ssh->auth($unit['passwd'], $unit['address']))
            sys::outjs(array('e' => 'Не удалось создать связь с сервером'));

        if ($url['service'] == 'unit')
            $ssh->set('screen -dmS reboot reboot');
        else
            $ssh->set('screen -dmS sr_' . $url['service'] . ' service ' . $url['service'] . ' restart');

        sys::outjs(array('s' => 'ok'));
    }

    $aData = array(
        'cpu' => '0%',
        'ram' => '0%',
        'hdd' => '0%',
        'apache' => '<a href="#" onclick="return system_restart(\'apache\')">Перезагрузить</a>',
        'nginx' => '<a href="#" onclick="return system_restart(\'nginx\')">Перезагрузить</a>',
        'mysql' => '<a href="#" onclick="return system_restart(\'mysql\')">Перезагрузить</a>',
        'uptime' => 'unknown',
        'ssh' => 'error'
    );

    if (!$ssh->auth($unit['passwd'], $unit['address']))
        sys::outjs($aData);

    $aData['ssh'] = '<i class="fa fa-retweet pointer" id="system_restart(\'unit\')" onclick="return system_restart(\'unit\')"></i>';

    $stat_ram = $ssh->get('echo `cat /proc/meminfo | grep MemTotal | awk \'{print $2}\'; cat /proc/meminfo | grep MemFree | awk \'{print $2}\'; cat /proc/meminfo | grep Buffers | awk \'{print $2}\'; cat /proc/meminfo | grep Cached | grep -v SwapCached | awk \'{print $2}\'`');
    $aData['ram'] = ceil(sys::ram_load($stat_ram)) . '%';

    $aData['hdd'] = $ssh->get('df -P / | awk \'{print $5}\' | tail -1');

    $time = ceil($ssh->get('cat /proc/uptime | awk \'{print $1}\''));
    $aData['uptime'] = sys::uptime_load($time);

    $aData['cpu'] = sys::cpu_load($ssh->get('echo "`ps -A -o pcpu | tail -n+2 | paste -sd+ | bc | awk \'{print $0}\'` `cat /proc/cpuinfo | grep processor | wc -l | awk \'{print $1}\'`"')) . '%';

    sys::outjs($aData);
}

$html->get('index', 'sections/system');

$html->pack('main');
?>