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Effect of change in /etc/hostname to the openstack devstack setup

asked 2016-04-19 23:21:52 -0600

abhilash-goyal
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My single node openstack devstack setup is currently running perfectly, but when I change hostname of my system i.e. I made changes in /etc/hosts and /etc/hostname to set a new hostname. After rebooting system setup is running with error of oslo messaging saying

ERROR oslo.messaging._drivers.impl_rabbit [-] AMQP server 127.0.0.1:5672 closed the connection. Check login credentials: Socket closed

On running nova list error shows up saying

ERROR (ClientException): The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-c4251e32-c59e-4ebf-aad1-9f13236f41a1)

Any idea what is potential solution to this.

PS: If I revert back the changes, it start running perfectly.

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answered 2016-04-20 01:23:41 -0600

rvkrnunix
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I'm my opinion it's related to credentials problem. Try updating the keystone entries for the particular node you made changes

Please let me the outcomes.....

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Its a single node setup. So all I did was changed the hostname of my machine on which openstack single node setup is running.

abhilash-goyal ( 2016-04-20 23:01:39 -0600 )edit

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answered 2016-04-23 09:38:46 -0600

rvkrnunix
1 ●1 ●2 ●1

Not sure but..... try restarting network services once.

Please ignore my answer if it's already done

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Asked: 2016-04-19 23:21:52 -0600

Seen: 296 times

Last updated: Apr 23 '16

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