gistfile1.sh

# 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-2.1.1.tar.gz

# Unpack
tar -xvzf ruby-2.1.1.tar.gz
cd ruby-2.1.1/

# Compile from source
./configure --prefix=/usr/local
make
make install

# Login as deploy user

# Install bundler
gem install bundler

# Locally
cap production deploy

# Recompile Nginx and upgrade Passenger


# Remove the old manifest.yml file
rm /u/apps/YOUR_APP_NAME/shared/assets/manifest.yml

# I also had to make the unicorn binary into a binstub

sudo gem install passenger

Check and see what is your version of passenger

cd /usr/local/lib/ruby/gems/2.1.0/gems/passenger-5.0.4/

Backup nginx.conf

cp /opt/nginx/conf/nginx.conf /home/rails/backup/.
cp -r /opt/nginx/conf/vhosts /home/rails/backup/.

Install passenger-nginx module

sudo passenger-install-nginx-module

Update nginx.conf and point passenger root to the updated version of passenger

sudo vim /opt/nginx/conf/nginx.conf

Restart nginx

sudo /etc/init.d/nginx stop
sudo /etc/init.d/nginx start

Check monit status

sudo monit status