Set's up local user rbenv with Ruby 2.0.0

rbenv-install.sh

# Update, upgrade and install development tools:
sudo apt-get update
sudo apt-get -y upgrade
sudo apt-get -y install build-essential git-core libssl-dev libsqlite3-dev curl nodejs nginx

# Install rbenv
git clone git://github.com/sstephenson/rbenv.git ~/.rbenv

# Add rbenv to the path:
echo 'export RBENV_ROOT=~/.rbenv' >> ~/.bash_profile
echo 'export PATH="$RBENV_ROOT/bin:$PATH"' >> ~/.bash_profile
echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
source ~/.bash_profile

eval "$(rbenv init -)"

# Install ruby-build:
git clone git://github.com/sstephenson/ruby-build.git
cd ruby-build
sudo ./install.sh

# Install Ruby 2.0.0-p247:
~/.rbenv/bin/rbenv install 2.0.0-p451
~/.rbenv/bin/rbenv global 2.0.0-p451

# Install bundler:
gem install bundler

# Rehash:
~/.rbenv/bin/rbenv rehash

# Restart nginx:
sudo service nginx start