I have installed postgresql on OSX. When I run psql, I get

$ psql
psql: could not connect to server: No such file or directory
    Is the server running locally and accepting
    connections on Unix domain socket "/tmp/.s.PGSQL.5433"?

However, from /etc/services

postgresql      5432/udp    # PostgreSQL Database
postgresql      5432/tcp    # PostgreSQL Database
#                          Tom Lane <tgl@sss.pgh.pa.us>
pyrrho          5433/tcp    # Pyrrho DBMS
pyrrho          5433/udp    # Pyrrho DBMS

5433 is occupied by pyrrho, 5432 is assigned to pg. I can connect with

psql -p 5432

but why does psql think it is 5433 and how do I make psql look in the right place by default?

postgresql port psql
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