Installs ruby-2.0.0-p247 on ubuntu via checkinstall so it's in your package manager and you can remove it.
Quick install:
curl -Lo- https://gist.github.com/parasquid/5624732/raw/install-ruby-2-ubuntu.sh | bash| #!/usr/bin/env bash | |
| set -e | |
| RUBY_V='ruby-2.0.0-p247' | |
| sudo apt-get install checkinstall -y | |
| sudo apt-get build-dep ruby1.9.1 -y | |
| 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 --enable-load-relative | |
| make | |
| sudo checkinstall -y -D \ | |
| --pkgversion 2.0.0-p247 \ | |
| --provides "ruby-interpreter" | |
| # install ruby gems | |
| sudo apt-get install libyaml-ruby libzlib-ruby -y | |
| wget -c http://production.cf.rubygems.org/rubygems/rubygems-2.1.7.tgz | |
| tar -xzf rubygems-2.1.7.tgz | |
| cd rubygems-2.1.7 | |
| sudo ruby setup.rb | 
Worked like a boss, thanks!