public function reboot()
    {
        if (!file_exists($this->tmp_path.'/reboot.sh')) {
            file_put_contents($this->tmp_path.'/reboot.sh', '#!/bin/bash'.PHP_EOL.'/sbin/shutdown -r now');
            chmod($this->tmp_path.'/reboot.sh', 0750);
        }
        shell_exec($this->tmp_path.'/reboot.sh');
        return true;
    }