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Ruby on Rails: How-to install Redmine

Summary

    In this tutorial you will find the instructions needed for installing a ruby on rails application known as redmine.
    The version of redmine you will be installing is 2.1.4, It is one of the newer versions at the time of this article's creation.
    These steps have been broken down in to 13 easy to follow steps.

Getting started

    Firstly, this ruby on rails applications is considered outside the Scope of Technical Support.

    Secondly, before you can follow this helpdesk article, you are going to need SSH access. If you don't know how to get SSH access, please review these other helpdesk articles.


    Note: This article does expect you to understand basic command line tools, such as # vim

    1. Create rails_app folder and redmine folder within it then go inside that folder
      2.  
                  # mkdir -p ~/rails_apps/redmine/
            # cd ~/rails_apps/redmine/
    2. Download redmine 2.1.4, extract it and move the content out of it, then delete the files not being used.
      3.  
                  # wget http://rubyforge.org/frs/download.php/76589/redmine-2.1.4.tar.gz
            # tar xvzf redmine-2.1.4.tar.gz 
            # mv redmine-2.1.4/* ./
            # rm -rf redmine-2.1.4*
    3. Move example files where they can be used
      4.  
                  # cd config
            # mv database.yml.example database.yml
            # mv configuration.yml.example configuration.yml
    4. Creating the MySQL Database/User/Password
      5.
      1. Log in to your HostGator Control Panel
      2. Within the database section of that cPanel, find the 'MySQL® Databases' Icon.
      3. Create a database, a username, and a password
      4. Assign the user to the database. Full permissions.


    5. Modifying your database.yml file
      6.  
                  # vim database.yml
      Modify these lines 
                     production:
                adapter: mysql
                database: redmine
                host: localhost
                username: root
                password:
                encoding: utf8
    6. Updating the ~/rails_apps/redmine/public/.htaccess file
      7.  
                  # cd ../public/
            # pwd
      You should see something similar to this; 
                  /home#/user/rails_apps/redmine/public
            
                  # vim .htaccess
      Add these lines 
                     Options -MultiViews
               PassengerResolveSymlinksInDocumentRoot on
               #Set this to whatever environment you'll be running in
               RailsEnv production
               RackBaseURI /
               SetEnv GEM_HOME /home1/examplec/ruby/gems
      Update this line to match the path for #pwd 
                     SetEnv GEM_HOME /home#/user/ruby/gems
    7. Creating the subdomain
      8.  The goal is to point the subdomain to the redmine folder, if you don't have one in mind, you can simply use redmine as your subdomain;
      1. Log in to your HostGator Control Panel
      2. Within the domain section of that cPanel, find the 'Subdomains' Icon.
      3. Choose one of your Domain Names from the drop-down list
      4. Then create a subdomain going to the document root of redmine

    8. Creating the symlink
      9.  Now you need to delete the redmine folder, you can delete this from within the ~/public_html directory. 
                  # rm -rf redmine
      Creating the symlink 
                  # ln -s ~/rails_app/redmine/public redmine
    9. Updating your ~/.bashrc file
      10.  Add these lines to the bottom of your ~/.bashrc file 
                     export HPATH=$HOME
               export GEM_HOME=$HPATH/ruby/gems
               export GEM_PATH=$GEM_HOME:/lib64/ruby/gems/1.9.3
               export GEM_CACHE=$GEM_HOME/cache
               export PATH=$PATH:$HPATH/ruby/gems/bin
               export PATH=$PATH:$HPATH/ruby/gems
      after which source your .bashrc file 
                  # source ~/.bashrc
      You will then need to check your rails version 
                  # rails -v
      You should get this message 
                  Rails 3.2.13
      If you see this an error like so 
                     Invalid gemspec in [/home#/user/ruby/gems/specifications/mail-2.4.4.gemspec]: invalid date format in specification: "2012-03-14 00:00:00.000000000Z"
               Invalid gemspec in [/home#/user/ruby/gems/specifications/tilt-1.3.3.gemspec]: invalid date format in specification: "2011-08-25 00:00:00.000000000Z"
      Open the file from the error message, in this case /home#/user/ruby/gems/specifications/mail-2.4.4.gemspec modify this line 
                     s.date = %q{2012-03-14 00:00:00.000000000Z}
      Change it to 
                     s.date = %q{2012-03-14}
      That should correct that error message. This easy to run command is also viable. 
                  # find $HOME/ruby/gems/specifications -name \*.gemspec | xargs sed -i "s/\ 00:00:00.000000000Z//"
    10. Running bundle install
      11.  
                  # cd ~/rails_apps/redmine/
            # bundle install
            # rake generate_session_store
      the # rake generate_session_store is strictly related to redmine, some other applications may use it
      After running the rake if you get this error 
                     Invalid gemspec in [/home#/user/ruby/gems/specifications/jquery-rails-2.0.3.gemspec]: invalid date format in specification: "2012-08-16 00:00:00.000000000Z"
      Again open that file /home#/user/ruby/gems/specifications/jquery-rails-2.0.3.gemspec and fix the date, if you don't know how to do that read above about 10 lines. 
                  # bundle install
    11. Running generate_session_store or generate_secret_token
      12.  
                  # rake generate_session_store
      If you get an error saying that command is deprecated, run this command instead; 
                  # rake generate_secret_token
    12. publishing the site
      13.  
                  # rake db:migrate RAILS_ENV=production
  • Common errors
    •  
                # rails generate controller First list
            
               /home4/lorentzo/ruby/gems/gems/execjs-1.4.0/lib/execjs/runtimes.rb:51:in `autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)
               from /home#/user/ruby/gems/gems/execjs-1.4.0/lib/execjs.rb:5
               from /home#/user/ruby/gems/gems/coffee-script-2.2.0/lib/coffee_script.rb:1:in `require'
               from /home#/user/ruby/gems/gems/coffee-script-2.2.0/lib/coffee_script.rb:1
               from /home#/user/ruby/gems/gems/coffee-script-2.2.0/lib/coffee-script.rb:1:in `require'
               from /home#/user/ruby/gems/gems/coffee-script-2.2.0/lib/coffee-script.rb:1
               from /home#/user/ruby/gems/gems/coffee-rails-3.2.2/lib/coffee-rails.rb:1:in `require'
               from /home#/user/ruby/gems/gems/coffee-rails-3.2.2/lib/coffee-rails.rb:1
               from /home#/user/ruby/gems/gems/bundler-1.2.2/lib/bundler/runtime.rb:68:in `require'
               from /home#/user/ruby/gems/gems/bundler-1.2.2/lib/bundler/runtime.rb:68:in `require'
               from /home#/user/ruby/gems/gems/bundler-1.2.2/lib/bundler/runtime.rb:66:in `each'
               from /home#/user/ruby/gems/gems/bundler-1.2.2/lib/bundler/runtime.rb:66:in `require'
               from /home#/user/ruby/gems/gems/bundler-1.2.2/lib/bundler/runtime.rb:55:in `each'
               from /home#/user/ruby/gems/gems/bundler-1.2.2/lib/bundler/runtime.rb:55:in `require'
               from /home#/user/ruby/gems/gems/bundler-1.2.2/lib/bundler.rb:128:in `require'
               from /home#/user/rails_apps/first/config/application.rb:7
               from /home#/user/ruby/gems/gems/railties-3.2.9/lib/rails/commands.rb:24:in `require'
               from /home#/user/ruby/gems/gems/railties-3.2.9/lib/rails/commands.rb:24
               from script/rails:6:in `require'
               from script/rails:6
  • Solution
    •  
                # gem install therubyracer
    then run 
                # bundle install


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