links for 2009-06-15

• How to write case (switch) statements in Ruby
  (tags: ruby programming)
• How To Quickly Set Up Ubuntu 8.04 loaded with Erlang, Mochiweb and Nginx
  (tags: erlang mochiweb ubuntu sysadmin)
• Setting Up A High-Availability Load Balancer With HAProxy/Keepalived On Debian Lenny
  (tags: linux debian ubuntu 247up sysadmin)
• How to install locally compiled packages: equivs
  Can be also used for "injecting" some package – pretending it's installed, without real install – for resolving conflicts
  (tags: debian ubuntu linux sysadmin)
• Running Hadoop on Amazon EC2
  (tags: amazon ec2 hadoop cluster sysadmin)
• 大阪祥門会 – Home
  (tags: ping.fm)