Re: Michael Banck
> Why 18 got installed in the first place is unclear, I can only reproduce
> that 'apt install postgresql' after activating the PGDG APT repo will
> install it, but it looks like this was not done here.
I updated https://www.postgresql.org/download/linux/debian/ to
recommend "apt install postgresql-18" instead of plain "postgresql".
That might have prevented that problem.
Christoph