def upload(self, name: str) -> bool:
        """
        Attempts to upload a given Docker image from this server to DockerHub.

        Parameters:
            name: the name of the Docker image.

        Returns:
            `True` if successfully uploaded, otherwise `False`.
        """
        try:
            out = self.__docker.images.push(name, stream=True)
            for line in out:
                line = line.strip().decode('utf-8')
                jsn = json.loads(line)
                if 'progress' in jsn:
                    line = "{}. {}.".format(jsn['status'], jsn['progress'])
                    print(line, end='\r')
                elif 'status' in jsn:
                    print(jsn['status'])
            print('uploaded image to DockerHub: {}'.format(name))
            return True
        except docker.errors.NotFound:
            print("Failed to push image ({}): not installed.".format(name))
            return False
Attempts to upload a given Docker image from this server to DockerHub.

        Parameters:
            name: the name of the Docker image.

        Returns:
            `True` if successfully uploaded, otherwise `False`.