Troubleshooting Tip: How to resolve an HA User SSH Key Generation Failure issue (in a Supervisor with DB)

When attempting to add the node from the GUI in a Supervisor with a DB as follows:

To generate a user SSH HA key, follow these steps:

Login as the root user on the Super CLI, then run the following commands:

su pghauser

ssh-keygen -t rsa -b 4096

It will create a .pub key in the following location:

/home/pghauser/.ssh/

id_rsa.pub

After that, it can add the entry for the HA User SSH Public Key.