我在 Ubuntu 14.04 LTS 上安装 Devstack stable/Juno，我按照以下步骤操作：克隆 devstack，修改stackrc“Git base to https”，我没有修改localrc文件，我在运行时提供密码 ./stack.sh
但我有这些错误，你能帮帮我吗？
+ image_name=Fedora-x86_64-20-20140618-sda
+ disk_format=qcow2
+ container_format=bare
+ is_arch ppc64
++ uname -m
+ [[ i686 == \p\p\c\6\4 ]]
+ '[' bare = bare ']'
+ '[' '' = zcat ']'
+ openstack --os-token 2c0781724c1b4ed1990b62ac4996b83b --os-url http://192.168.1.8:9292 image create Fedora-x86_64-20-20140618-sda --public --container-format=bare --disk-format qcow2
ERROR: openstack <html>
<head>
<title>401 Unauthorized</title>
</head>
<body>
<h1>401 Unauthorized</h1>
This server could not verify that you are authorized to access the document you requested. Either you supplied the wrong credentials (e.g., bad password), or your browser does not understand how to supply the credentials required.<br /><br />
</body>
</html> (HTTP 401)