问httpd似乎没有运行和代理cobbler，或者SELinux妨碍了运行

EN

httpd does not appear to be running and proxying cobbler, or SELinux is in the way. Original traceback:

Traceback (most recent call last):

  File "/usr/local/lib/python2.7/dist-packages/cobbler/cli.py", line 252, in check_setup

    s.ping()

  File "/usr/lib/python2.7/xmlrpclib.py", line 1224, in __call__
    return self.__send(self.__name, args)

  File "/usr/lib/python2.7/xmlrpclib.py", line 1578, in __request
    verbose=self.__verbose

  File "/usr/lib/python2.7/xmlrpclib.py", line 1264, in request
    return self.single_request(host, handler, request_body, verbose)

 File "/usr/lib/python2.7/xmlrpclib.py", line 1292, in single_request
    self.send_content(h, request_body)

  File "/usr/lib/python2.7/xmlrpclib.py", line 1439, in send_content
    connection.endheaders(request_body)

  File "/usr/lib/python2.7/httplib.py", line 969, in endheaders
    self._send_output(message_body)

  File "/usr/lib/python2.7/httplib.py", line 829, in _send_output
    self.send(msg)

  File "/usr/lib/python2.7/httplib.py", line 791, in send
    self.connect()

  File "/usr/lib/python2.7/httplib.py", line 772, in connect
    self.timeout, self.source_address)

  File "/usr/lib/python2.7/socket.py", line 571, in create_connection
    raise err
error: [Errno 111] Connection refused