Warning: pg_connect(): Unable to connect to PostgreSQL server: could not connect to server: Connection refused Is the server running on host "localhost" (127.0.0.1) and accepting TCP/IP connections on port 5432? in /home/wl/wl/src/pgsql.php on line 36 Warning: pg_last_error(): No PostgreSQL link opened yet in /home/wl/wl/src/pgsql.php on line 37 Could not connect: