def METHOD_NAME(self):
    """
    simple check if LinOTP backend services  are up and running
    support for checking that the Config database could be accessed
    :return:
        a json result with a boolean status and request result
    :raises Exception:
        if an error occurs an exception is serialized and returned
    """
    try:
        opt = {}
        # Using the session makes this easier to mock in tests.
        config_count = db.session.query(Config).count()
        opt["config"] = {"entries": config_count}
        return sendResult(response, True, 0, opt=opt)
    except Exception as exx:
        db.session.rollback()  # why?
        log.error(exx)
        raise InternalServerError(str(exx))