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2013-04-11 14:25:09 -0500 answered a question How do I restart a devstack VM?

ladquin in #openstack-101 helped me out with this advice: "go to your devstack folder and run './rejoin-stack.sh'"

I had two devstack folders though... make sure the one you use has a stack-screenrc file in it. You can do locate stack-screenrc to find the right folder.

2013-04-11 13:52:36 -0500 asked a question How do I restart a devstack VM?

I've installed devstack on a VM on my laptop, and at first I was able to log in to the Horizon dashboard. But I stopped my VM and restarted it later, now when I log in the authentication fails. My horizon_error.log shows the following: DEBUG:openstack_auth.backend:Authorization Failed: HTTPConnectionPool(host='127.0.0.1', port=5000): Max retries exceeded with url: /v2.0/tokens (Caused by <class 'socket.error'>: [Errno 111] Connection refused).

I think Keystone isn't running. How do I tell if it is, and how do I start it if it isn't? If it is running, then what could be going wrong here?