title: Ubuntu: Error installing php5-xsl package
body: <p>I am trying to install php5-xsl (XSLT) package in my Ubuntu 8.10 but I am getting an error message. I think I need to update the repository of the apt-get? Thanks in advance :) - Mark</p>
  
  <p>My syntax:</p>
  
  <pre><code>sudo apt-get install php5-xsl
  </code></pre>
  
  <p>Error message:</p>
  
  <pre><code>W: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/php5/php5-xsl_5.2.6-2ubuntu4.1_i386.deb
    404 Not Found
  </code></pre>