		$cron = escapeshellcmd(self::getCronLine($schedule));
		$cron = str_replace('/', '\/', $cron);
		$cmd = 'sed -i \'/'.$cron.'/d\' '. self::CRON_FILE;
		$output = [];
		$ret = 0;
		exec($cmd, $output, $ret);
		var_dump($output);
		var_dump($ret);
		if($ret == 0){
			Logger::info('Schedule successfuly removed from crontab');
			return TRUE;
		}
		Logger::info('Fail removing schedule in cron file [ '.self::CRON_FILE.' ]');
