rbenv-install-system-wide.sh

#!/bin/bash

# Run the script as root user
# 
# copy the script to the /root and chmod +x to the file.
#
#    $ ./rbenv-install-system-wide.sh
#
# and wait

# rm -r /usr/local/rbenv
# rm  /etc/profile.d/rbenv.sh
# rm -r /tmp/ruby-build

# Update, upgrade and install development tools:
apt-get update
apt-get -y upgrade
apt-get -y install git-core curl zlib1g-dev build-essential libssl-dev \
           libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev \
           libxslt-dev

# Install mysql
# apt-get -y install libmysqlclient-dev

# Install rbenv
git clone git://github.com/sstephenson/rbenv.git /usr/local/rbenv

# Add rbenv to the path:
echo '# rbenv setup' > /etc/profile.d/rbenv.sh
echo 'export RBENV_ROOT=/usr/local/rbenv' >> /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

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

# Install Ruby:
rbenv install 2.0.0-p247

# Rehash:
rbenv rehash

rbenv-install.sh

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

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

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

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

# Install Ruby 1.9.2-p290:
rbenv install 1.9.2-p290
rbenv global 1.9.2-p290

# Rehash:
rbenv rehash