def METHOD_NAME(self):
    """Launch the UxAS instance.
    :return: the process object
    :rtype: e3.os.process.Run
    """
    with closing(tempfile.NamedTemporaryFile(mode='wb',
                                             delete=False)) as fd:
        self.cfg_path = fd.name
        fd.write(self.cfg.dump())
    self.process = Run(
        [self.uxas_bin, '-cfgPath', self.cfg_path],
        output=None,
        bg=True)
    return self.process