public function distro()
    {
        if (file_exists('/etc/redhat-release')) {
            $centos_array = explode(' ', file_get_contents('/etc/redhat-release'));
            return strtoupper($centos_array[0]);
        }

        if (file_exists('/etc/os-release')) {
            preg_match('/ID=([a-zA-Z]+)/', file_get_contents('/etc/os-release'), $matches);
            return strtoupper($matches[1]);
        }
        return false;
    }