I wonder whether the previous hostname was associated with the instance name or not. If yes, then your cloud-init worked, just that metadata was not updated by changing the instance name. If no, you need cloud-init built in the image and it will poll the metadata after reboot. On 08/14/2015 10:45 AM, mad Engineer wrote: > so is editing cloudinit manually the only way to change hostname?.I > wonder how would it get the instance name as hostname during build state. > > On Fri, Aug 14, 2015 at 11:06 PM, David Medberry <medberry at gmail.com > <mailto:medberry at gmail.com>> wrote: > > This is a VM specific issue. You may be able to do so with cloud > init but primarily you will need to go into the instance if you do > this after the instance is booted. > > How to do so within the instance is OS specific. > > On Aug 14, 2015 11:05 AM, "mad Engineer" <themadengin33r at gmail.com > <mailto:themadengin33r at gmail.com>> wrote: > > is there any way to change hostname by changing instance name. > I tried changing instance name and then did a hard reboot but > hostname is still the same.If this is not the right approach > for changing hostname can some one tell me what should be done > to change hostname of instances without logging to instance. > > tried on Juno-Neutron and icehouse-nova-network none worked > > Thanks for any help > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > <mailto:openstack at lists.openstack.org> > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150814/912a7a9b/attachment.html>