I have found many advices howto downgrade Ruby 1.8.7 to 1.8.6 as recommended by Rails core team. You can found the article http://railsgeek.com/2008/11/27/ubuntu-8-10-downgrade-ruby-1-8-7-to-1-8-6
-- Ruby 1.8 package breaks the Metasploit Framework (short-named constants) https://bugs.launchpad.net/bugs/282302 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs