From: kgthegreat Date: 2010-03-27T18:00:06+09:00 Subject: Rubygems update breaks other gems? Hello, I am on Ubuntu 9.10 I ran the following commands for a rubygems update from 1.3.5 to 1.3.6 $ sudo gem install update_rubygems $ cd /var/lib/gems/1.8/bin $ sudo ./update_rubygems $ gem -v 1.3.6 but after this some of the installed gems fail to work . For eg. $ rails -v /usr/local/lib/site_ruby/1.8/rubygems.rb:777:in `report_activate_error': Could not find RubyGem rails (>= 0) (Gem::LoadError) from /usr/local/lib/site_ruby/1.8/rubygems.rb:211:in `activate' from /usr/local/lib/site_ruby/1.8/rubygems.rb:1056:in `gem' from /var/lib/gems/1.8/bin/rails:18 What is wrong here?