A bunch of links from around the web, thrown out while I catch up on my backlog of news:

• Regex Legends, for computer history buffs.  (via the manly Joel Johnson)
• SSH Best Practices: nothing complex, but good steps to know.
• A giant robotic trebuchet that flings bowling balls.  I love things that fling.
• A multi-part computer you can assemble.  It just runs Linux, though the SDK is called ‘dragonfly’.
• StudyBSD – a site with video lessons on administering BSD.  A neat idea!  (Via hubertf)