This topic we are installing openstack train /queen version in CentOS7 using packstack, but we are getting below error during the installation.
ERROR :
Failed to run remote script,
stdout:
stderr: Warning: Permanently added
'192.168.156.200' (ECDSA) to the list of known hosts.
Cases :
We are getting known hosts issue during the installation and it is SSH issue, ssh connection denied to access the node
Solution
To resolve this issue we will add the host ip/network of openstack environment in below file
vi ~/.ssh/config
Add below line in the config file and save it
Host 192.168.156.*
StrictHostKeyChecking no
UserKnownHostsFile=/dev/null
Enjoy!! try again your openstack installation
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