Everybody needs a weblogging package, even people who program in Ruby (not the intertwingly kind).
Here it is: rb.log 1.0.1:
rb.log is a full-featured weblogger written in Ruby. It features file uploads, comments, blog- rolling, side-bar editing, bookmarklets, the Blogger API, searching, RSS syndication, and archives. It also performs well on slower machines by regenerating static pages after posts are made.