title: abort: error: nodename nor servname provided, or not known error
body: <p>can anyone help ??
  i am getting this error while connecting..</p>
  
  <pre><code>abort: error: nodename nor servname provided, or not known
  </code></pre>
  
  <p>please help me out.</p>
  
  <p>Actually I want to get the source of coreplot from a repository I am executing this command in the terminal </p>
  
  <pre><code>"hg clone core-plot.googlecode.com/hg core-plot "
  </code></pre>
  
  <p>and i get the error ... </p>
  
  <pre><code>"abort: error: nodename nor servname provided or not known,"
  </code></pre>
  
  <p>Can any1 help me?</p>