install openstack on ubuntu

You can reference to http://www.hastexo.com/resources/docs/installing-openstack-essex-20121-ubuntu-1204-precise-pangolin

and http://bbs.chinaunix.net/thread-3729514-1-1.html

Install keystone will arise a problem, you can reference to the following to fix it:

http://docs.openstack.org/developer/keystone/installing.html