Jedes Mal, wenn ich meinen Rails 4.0-Server betreibe, erhalte ich diese Ausgabe. Started GET "/" for 127.0.0.1 at 2013-11-06 23:56:36 -0500 PG::ConnectionBad - could not connect to server: Connection refused Is the server running on host "localhost" (::1) and accepting TCP/IP connections on port...