Hacker News on 19 May 2011

• You can increase your intelligence
• "The Best of edw519" is now free. Reverse Happy Birthday
• Secure your Linux server - HowTo by the NSA
• Why F1 Steering Wheels Have Over 20 Buttons - And What They All Do
• Guy Asks For Software Crack, Creator Provides Free App Instead
• LNKD IPO opens huge at $83
• Octopart, The Little Startup That Hung In There
• Scale Fail (part 1)
• WeekendHacker.net - A place for very small projects
• Google vows to fight antipiracy bill even if passed