Upgrading Ruby Gems
Ruby Gems is used to install, update and remove Ruby libraries from your system.
To update Ruby Gems on your server, use the following command:
sudo gem update --system
If this fails, follow these steps to upgrade it manually:
wget http://rubyforge.org/frs/download.php/60718/rubygems-1.3.5.tgz
tar xfz rubygems-*
cd rubygems-*
sudo ruby setup.rb
cd ..
