These are my links for 20 ago 2011 from 06:00 to 17:41:

• Percona XtraBackup for InnoDB and XtraDB Data – Percona Software – Percona XtraBackup is the world's only open-source, free MySQL hot backup software that performs non-blocking backups for InnoDB and XtraDB databases. With Percona XtraBackup, you can achieve the following benefits:<br />
  <br />
  Backups that complete quickly and reliably<br />
  Uninterrupted transaction processing during backups<br />
  Savings on disk space and network bandwidth<br />
  Automatic backup verification<br />
  Higher uptime due to faster restore time<br />
  XtraBackup makes MySQL hot backups for all versions of Percona Server, MySQL, MariaDB, and Drizzle. It performs streaming, compressed, and incremental MySQL backups.
• The Ethical Hacker Network – Free Armitage and Metasploit Video Training Course – Armitage is a front-end for Metasploit that allows team collaboration and exposes the advanced features of the framework. Raphael Mudge has made a six-part training series on Armitage and Metasploit for the ethicalhacker.net community. These demonstration-heavy lectures introduce the penetration testing process and walk you through each step. You'll learn how to break into hosts, carry out post-exploitation activities, develop more access from your initial foothold, and you'll do this in a team environment.
• 500 Internal Server Error – 500 Internal Server Error