cannot load such file — readline (LoadError) when running heroku create --stack cedar

Question

I\'m trying to deploy my Rails application to Heroku to test it out by following these instructions:

http://devcenter.heroku.com/articles/rails3#prerequisites

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Answer 1

iltempo and buru's answers helped me:

sudo apt-get install libreadline-dev

rvm remove 1.9.3

rvm install 1.9.3

Then add to your Gemfile:

gem 'rb-readline'