7 steps after installing PostgresQL on Ubuntu Server 20.04
Problem: After installation ( sudo apt install postgresql-12) you try to connect to your fresh PostgresQL 12 using psql, but it’s responding Solution: in newer versions it might be 5433 by default, so it causes problems find a string with port = 5433 and change it to port = 5432 Change 12 to your porstgresql version…