def run_cmd(self, *args, **kwargs):
        """
        Unix style output, already replace \r\n to \n

        Args:
            - timeout (float): timeout for a command exec
        """
        timeout = kwargs.pop('timeout', None)
        p = self.raw_cmd(*args, **kwargs)
        return p.communicate(timeout=timeout)[0].decode('utf-8').replace('\r\n', '\n')
Unix style output, already replace \r\n to \n

        Args:
            - timeout (float): timeout for a command exec