What does gpssh-exkeys do?
gpssh-exkeys is a utility that helps establish secure, passwordless SSH key-based authentication between hosts in a Greenplum Database cluster.
Why is it important?
Secure SSH key-based authentication is crucial for seamless communication between Greenplum Database segments. It enhances security and simplifies administrative tasks by eliminating the need for password input during SSH connections.
How to use gpssh-exkeys:
You can use gpssh-exkeys to generate and distribute SSH keys among the hosts in your Greenplum Database cluster. This ensures secure and efficient inter-host communication.
Example:
gpssh-exkeys -f hostfile