How to get past the “Could not find rubygems-update (> 0) in any repository” Error

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Google Query: Could not find rubygems-update (> 0) in any repository

While I was installing Ruby on Rails in Ubuntu Gutsy Gibbon (7.10), I ran into the above error when I ran the command to install Rails:
sudo gem install rails -y

On one of my Ubuntu machines, I was lucky enough to just run the command again and get past the error. However, on another Ubuntu install, I could not get past this error.

I eventually found the answer to the problem at Army of Evil Robots.

You need to take the following steps to delete the RubyGems Cache file:
gem env
#which will give you something like this:
RubyGems Environment:
- VERSION: 0.9.2 (0.9.2)
- INSTALLATION DIRECTORY: /usr/lib/ruby/gems/1.8
- GEM PATH:
- /usr/lib/ruby/gems/1.8
- REMOTE SOURCES:
- http://gems.rubyforge.org
Then…
rm -f /PATH/TO/GEM/PATH/FROM/ABOVE/source_cache

Then you may need to also do the following:
-For Ruby Gems 0.8.x or lower
gem update --system

Or

-For Ruby Gems 0.9.0 or newer
gem update

After this you should be able to run:
gem install rails -y

Happy coding!

Technorati Tags: Ubuntu, Gutsy Gibbon, Ruby On Rails

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