Carsten Klein <c.klein@xxxxxxxxxxx> writes: > So, forget about the packager. With core PostgreSQL tools it is possible > to have more than one cluster. How do you specify what cluster to > connect to with psql or pg_dump? Do I have to specify the cluster's > corresponding Unix domain socket directory via the --host option? Usually you'd use -p (--port). You *could* specify the exact path to the postmaster's socket via -h, but I think that's not idiomatic. regards, tom lane