Installs ruby-2.0.0-p0 on ubuntu via checkinstall so it's in your package manager and you can remove it.
Quick install:
curl -Lo- https://gist.github.com/Sfate/5535586/raw/install-ruby-2-ubuntu.sh | bash| #!/usr/bin/env bash | |
| set -e | |
| RUBY_V='ruby-2.0.0-p0' | |
| sudo apt-get install checkinstall | |
| sudo apt-get build-dep ruby1.9.1 | |
| wget -c http://ftp.ruby-lang.org/pub/ruby/2.0/$RUBY_V.tar.gz | |
| tar xzf $RUBY_V.tar.gz | |
| cd $RUBY_V | |
| ./configure | |
| make | |
| sudo checkinstall -y \ | |
| --pkgversion 2.0.0-p0 \ | |
| --provides "ruby-interpreter" | |
| cd .. && rm -rf $RUBY_V.tar.gz $RUBY_V |