Open Stack

> It looks like some nova and keystone services are not running. So my
> question is how to check the status and restart all services in
> devStack?
> I can't use  commands like "restart nova-api" because they are not
> installed. There should be other ways to start services in devStack.

Devstack is for development. If you shut the machine off that's running 
it, you need to re-run the script. Many devs run devstack in a VM for 
convenience (pause command, easy to blow away if something gets screwed 
up, easy to do a clean install).