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VPS or Dedicated - Installing and using RoR with Passenger

Summary

In this article you will find the instructions needed for installing a ruby, rails, and passenger, and the applications needed to get these working with apache.

These steps have been broken down in to 8 easy to follow steps.

Getting started

Firstly, this article is considered as outside the Scope of Technical Support.

Secondly, before you can follow this Help Desk article, you are going to need SSH access. If you don"t know how to get SSH access, please review these other Help Desk articles.

Installing Ruby on Rails and Passenger

This article assumes you are already logged in to the server through SSH as root.

  1. Installing the Basics

    We will be using the installruby script, located in /scripts, to get started. While this script installs more then what is listed here, below is what is important enough to take note.

    • Ruby 1.8,7
    • RubyGems 2.1.9, and 1.8.25
    • rails-2.3.18
    • rake-10.1.0
    • rack-1.1.6
    • mongrel-1.1.5

    # /scripts/installruby

  2. Installing Passenger

    Now that Ruby is installed we will use the following command:

    # gem install passenger mysql

  3. Installing curl-devel # yum install curl-devel

    When prompted "Is this ok [y/N]:" type the letter "y" and press Enter

  4. Installing postgresql-devel # yum install postgresql-devel

    Again, when prompted with the message "Is this ok [y/N]:" type the letter "y" and press Enter

  5. Installing ImageMagick # /scripts/installimagemagick
  6. Installing passenger modules, for apache # passenger-install-apache2-module

    Confirm by pressing Enter

    The system will check to see what you are missing, Press Enter

    1. When prompted "Are you sure you want to install against Apache 2.2.24 (/usr/bin/apxs)? [y/n]:" type the letter "y" and push enter.
      This will return "The Apache 2 module was successfully installed."
    2. Press Enter
    3. Add these lines to this file 
      /usr/local/apache/conf/includes/pre_main_2.conf
      LoadModule passenger_module /usr/lib/ruby/gems/1.8/gems/passenger-4.0.21/buildout/apache2/mod_passenger.so
      PassengerRoot /usr/lib/ruby/gems/1.8/gems/passenger-4.0.21
      PassengerDefaultRuby /usr/bin/ruby

      Alternatively you can add the above code with the follow command: 

      echo -en "LoadModule passenger_module /usr/lib/ruby/gems/1.8/gems/passenger-4.0.21/buildout/apache2/mod_passenger.so\nPassengerRoot /usr/lib/ruby/gems/1.8/gems/passenger-4.0.21\nPassengerDefaultRuby /usr/bin/ruby\n" >> /usr/local/apache/conf/includes/pre_main_2.conf

  7. Restart Apache # service httpd restart
  8. Switch to your cPanel User

    Now you will need to install your application as the cPanel user, or else you will run in to permission issues.

    # su cpanelusr
    # cd ~

Final steps is to install an application, we happen to have an Help Desk article on installing Redmine

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