Which version of postgres/pgsql should I install on my server?

Question

Which version of postgres/pgsql should I install on my server?

Answer

cPanel only provides support for the version of postgres/pgsql that the /scripts/installpostgres script installs. This script installs the postgres version present in the server's operating-system repository.

You can read more about how to install postgres here:

Install or Update PostgreSQL® on Your cPanel & WHM Server