title: Get this result back when putting `postgres -D /usr/local/var/postgres` in terminal
body: <p>When I put <code>postgres -D /usr/local/var/postgres</code> in terminal I get this back:</p>
  
  <blockquote>
    <p>LOG:  could not translate host name "localhost", service "5432" to address: nodename nor servname provided, or not known<br>
       WARNING:  could not create listen socket for "localhost"<br>
       FATAL:  could not create any TCP/IP sockets`</p>
  </blockquote>
  
  <p>Can someone help me fix this? </p>