How do I completely uninstall rails, ruby and rubygems?

Question

My system is F\'d. How do I completely uninstall rails, ruby and rubygems?

any suggestions on where to go to reinstall from scratch? Best practices?

Answer 1

I suggest you to simply uninstall all Gems using gem uninstall [name_of_gem], then use RVM to install a new Ruby version and make it the default one.

RVM also makes incredibly easy to remove a Ruby version and all its data since it installs everything in a folder within your home directory.