Re: Craig Ringer 2019-10-09 <CAMsr+YE+K65nHdP-i82F=vKHZvLU+woT-WUkA0arPZwv=[hidden email]>
> but if we can't do as Debian does and prompt for an initial pw (where
> interactive), at least it's consistent with how Pg is installed elsewhere.
Fwiw, the Debian packages do not ask for an initial password but leave
it to the user to an initial `sudo -u postgres psql`.
The defaults in pg_createcluster are --auth-local peer --auth-host md5.
(Some day I'll finally have a look at scram-sha-256.)