Cannot connect to postgres from remote host

Question

I have a database server (192.168.1.50) running postgres. I have created a database named \"testdb\" and a user \"testuser\" with password \"testuserpw\".
Locally, I can

Answer 1

Check the setting of listen_addresses in your postgresql.conf file. Many distributions make it default to 127.0.0.1, i.e. listen only to connections coming in from localhost. It should be set to '*' to listen for connections on all interfaces.

If you are still having trouble, use lsof to see what network sockets the postgres process is listening on.