title: psql: FATAL: Ident authentication failed for user "postgres"
body: <p>I have installed PostgreSQL and pgAdminIII on my Ubuntu Karmic box.</p>
  
  <p>I am able to use pgAdminIII successfully (i.e. connect/log on), however when I try to login to the server using the same username/pwd on the command line (using psql), I get the error:</p>
  
  <pre><code>psql: FATAL:  Ident authentication failed for user "postgres"
  </code></pre>
  
  <p>Does anyone now how to resolve this issue?</p>