Upgrade/Install ruby 2.1.2

# Reference http://stackoverflow.com/a/18490935/2037928 # Login as root
# Install needed packages
apt-get -y install build-essential zlib1g-dev libssl-dev libreadline6-dev libyaml-dev
cd /tmp
# Download appropriate ruby version https://www.ruby-lang.org/en/downloads/ wget http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.2.tar.gz # Unpack
tar -xvzf ruby-2.1.2.tar.gz
cd ruby-2.1.2/
# Compile from source
./configure --prefix=/usr/local
make
make install
# Make sure deploy user has access to installing gems
chown -R deploy:staff /usr/local/bin
chown -R deploy:staff /usr/local/lib/ruby
# Login as deploy user
# Install bundler
gem install bundler
# Locally
cap production deploy
# Remove the old manifest.yml file
rm /u/apps/YOUR_APP_NAME/shared/assets/manifest.yml