On Fri, 2019-04-26 at 13:18 +0000, Jean-Philippe Chenel wrote: > 1. So my question is, how can I compile this version of postgresql (9.6.9) and have the same real things > of the default previously installed version, but with the --with-krb-srvnam=POSTGRES_DEV to change the > default user name? So one server will have the postgres user and the other one will have postgres_dev user. You can run pg_config --configure to see how PostgreSQL was configured. > 2. I'm planning to shut down the postgresql service and then replace files generated by the make install > command. After restarting the service, all will work as expected with the same database objects that were running before? If you use the same major release and configured it identically on the same architecture, yes. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com