David Heinemeier Hansson: you can install Rails 2.2 through RubyGems. We now require RubyGems 1.3.1, so be sure to update that first Problem: $ gem -v 1.2.0 $ gem update --system ERROR: While executing gem ... (RuntimeError) gem update --system is disabled on Debian. RubyGems can be updated \ using the official Debian repositories by aptitude or apt-get Solution: $ wget http://rubyforge.org/frs/do