Warning: pg_connect() [function.pg-connect]: Unable to connect to PostgreSQL server: could not connect to server: Connection refused Is the server running on host "brer001" and accepting TCP/IP connections on port 5432? in /var/www/prdsites/especialista/optiweb/connect.inc on line 2

Warning: pg_last_error(): supplied argument is not a valid PostgreSQL link resource in /var/www/prdsites/especialista/optiweb/connect.inc on line 3
Nao consegui conectar ao PostGres -->