This is /var/log/apache2/error.log says: Error processing line 1 of /usr/local/lib/python2.7/dist-packages/easy-install.pth: Traceback (most recent call last): File "/usr/lib/python2.7/site.py", line 161, in addpackage if not dircase in known_paths and os.path.exists(dir): File "/usr/lib/python2.7/genericpath.py", line 18, in exists os.stat(path) TypeError: must be encoded string without NULL bytes, not str I don't know how to fix it.. When I'm run python, also present the above wrong.. Could you tell me some advice? Thanks a lot !! -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20130913/f57b17b3/attachment.html>