Rails Project uses PostgreSQL database to start times error

Problem Description:

[* * * @localhost *****]$ rails S

= Booting Webrick

= = Rails 3.2.19 application starting in development on http://0.0.0.0:3000

= = Call With-d to detach

= = Ctrl-c to shutdown server

Exiting

/usr/local/rvm/gems/ruby-2.0.0-p247/gems/activerecord-3.2.19/lib/active_record/connection_adapters/ Postgresql_adapter.rb:1222:in ' Initialize ': Could not connect to Server:connection refused (Pg::connectionbad)

is the server running on host "localhost" (:: 1) and accepting

TCP/IP connections on port 5432?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?

Workaround: sudo service PostgreSQL start

Rails Project uses PostgreSQL database to start times error