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Re: How to start/stop/restart services in devstack


localadmin@k:~$ sudo screen -x
There is no screen to be attached.

localadmin@k:~$ killall screen
screen: no process found

Should I re-run stack.sh?

On Thu, Jan 26, 2012 at 2:24 PM, Dean Troyer <dtroyer@xxxxxxxxx> wrote:
> On Thu, Jan 26, 2012 at 1:02 PM, Joe Smithian <joe.smithian@xxxxxxxxx> wrote:
>> The devstack document doesn't explain how to start/stop services,
>> maybe it's obvious for the devstack developers but not for a new user
>> like me!  I can't use  commands like "restart nova-api" because they
>> are not installed.
> Devstack starts the OpenStack services running in the foreground in a
> screen session.  Type 'screen -x' to attach to the session, there will
> be a window for each service plus one shell window.  Stop the each
> service with a Ctrl-C.  Press up-arrow to see the command stack.sh
> used to start it and execute that to restart the service.
>> I installed OpenStack using devsatck stack.sh script
>> (http://devstack.org/) on Ubuntu 11.10. Installation was successful
>> and I was able to login to Dahsboard; but it doesn't work anymore, I
>> think after I changed the IP address of the machine and moved it to
>> another network.
>> Apache2 is running but the nova and keystone services are not running.
> If you had already stated an instance, Nova probably moved your IP
> from eth0 to br100.  You would need to manually update the br100
> configuration.  You might also need to update some other configuration
> bits (floating IPs, etc) if you changed networks and want to access
> the instances from off the host.
> Your best bet here may be to just bite the bullet and 'killall screen'
> re-run stack.sh.  Of course this will re-initialize all of the
> databases and kill running instances.
> dt
> --
> Dean Troyer
> dtroyer@xxxxxxxxx

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