links for 2007-11-14

• Trac & Nginx on Ubuntu Feisty
  (tags: linux ubuntu nginx python sysadmin)
• Xen Routing with Public Static IPs *and* a Private virtual network
  (tags: linux xen sysadmin)
• Why you should buy an OLPC XO Laptop
  (tags: linux hardware olpc society science fun)
• The Ars Technica Motherboard Guide: Part I — motherboard fundamentals
  (tags: hardware)
• Bypass amavisd-new scanning HOWTO
  (tags: linux email postfix security sysadmin antispam)
• PipeBytes
  a simple service which allows you to send a file to a friend.
  (tags: p2p web web2.0 multimedia)