title: How to update CPAN perl module
body: <p>I'm trying to install some perl module but everytime this message is shown </p>
  
  <pre><code>  New CPAN.pm version (v2.00) available.
    [Currently running version is v1.960001]
    You might want to try
      install CPAN
      reload cpan
    to both upgrade CPAN.pm and run the new version without leaving
    the current session.
  </code></pre>
  
  <p>I've tried to do </p>
  
  <pre><code>install CPAN
  reload cpan
  </code></pre>
  
  <p>With </p>
  
  <pre><code>pi@raspbmc:~$ sudo perl -MCPAN -e shell
  Terminal does not support AddHistory.
  
  cpan shell -- CPAN exploration and modules installation (v1.960001)
  Enter 'h' for help.
  
  cpan[1]&gt; install CPAN
  </code></pre>
  
  <p>But the result is </p>
  
  <pre><code>Going to read '/root/.cpan/sources/authors/01mailrc.txt.gz'
  ............................................................................DONE
  Going to read '/root/.cpan/sources/modules/02packages.details.txt.gz'
    Database was generated on Mon, 28 Oct 2013 23:41:06 GMT
    HTTP::Date not available
    ..............
    New CPAN.pm version (v2.00) available.
    [Currently running version is v1.960001]
    You might want to try
      install CPAN
      reload cpan
    to both upgrade CPAN.pm and run the new version without leaving
    the current session.
  
  
  ...............pi@raspbmc:~$ 
  </code></pre>
  
  <p>The version is still 1.960001.</p>