rbenv install Ruby 2.0.0-p0 on Debian Wheezy

rbenv-install-system-wide.sh

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

# Install rbenv
RBENV_ROOT=/opt/rbenv

git clone https://github.com/sstephenson/rbenv.git $RBENV_ROOT

# Add rbenv to the path:
echo '# rbenv setup' > /etc/profile.d/rbenv.sh
echo 'export RBENV_ROOT='$RBENV_ROOT >> /etc/profile.d/rbenv.sh
echo 'export PATH="$RBENV_ROOT/bin:$PATH"' >> /etc/profile.d/rbenv.sh
echo 'eval "$(rbenv init -)"' >> /etc/profile.d/rbenv.sh

chmod +x /etc/profile.d/rbenv.sh
source /etc/profile.d/rbenv.sh

# Plugins:
RBENV_PLUGINS_ROOT=$RBENV_ROOT/plugins
mkdir -p $RBENV_PLUGINS_ROOT

# Install ruby-build:
git clone https://github.com/sstephenson/ruby-build.git $RBENV_PLUGINS_ROOT/ruby-build

# Install vars:
git clone https://github.com/sstephenson/rbenv-vars.git $RBENV_PLUGINS_ROOT/rbenv-vars

# Install gem-rehash:
git clone https://github.com/sstephenson/rbenv-gem-rehash.git $RBENV_PLUGINS_ROOT/rbenv-gem-rehash

# Install default-gems:
git clone https://github.com/sstephenson/rbenv-default-gems.git $RBENV_PLUGINS_ROOT/rbenv-default-gems

# Default gems
cat << EOF > $RBENV_ROOT/default-gems
bundler
EOF

# Production installing gems skipping ri and rdoc
cat << EOF > /root/.gemrc
install: --no-ri --no-rdoc
update: --no-ri --no-rdoc
EOF

# Restart shell or exit re-login
#exec $SHELL