How do I install ruby 2.0.0 correctly on Ubuntu 12.04?

Question

I have successfully installed rvm, but when I run the following commands

sudo apt-get update

Or:

rvm install 2         


        

Answer 1

You have some ppa sources enabled that aren't available for your version of Ubuntu. Comment those out in your /etc/apt/sources.list , run sudo apt-get update , and you'll be fine.