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安裝程序:

引用:

# gem install passenger
# yum install curl-devel httpd-devel
# passenger-install-apache2-module

安裝完之後...需要到 /etc/httpd/conf/httpd.conf 最後面加上這幾行

引用:

   LoadModule passenger_module /usr/local/rvm/gems/ruby-2.1.3/gems/passenger-4.0.53/buildout/apache2/mod_passenger.so
   <IfModule mod_passenger.c>
     PassengerRoot /usr/local/rvm/gems/ruby-2.1.3/gems/passenger-4.0.53
     PassengerDefaultRuby /usr/local/rvm/gems/ruby-2.1.3/wrappers/ruby
   </IfModule>

最後實做一個 Rails Example：

先安裝 sqlite .暫時使用文字型的資料庫

# yum install sqlite-devel
# cd /var/www/html

再來建一個 helloapp 的rails 資料匣:

# rails new helloapp
# cd helloapp

之後會產生很多檔案...在根目錄裡找到一支 Gemfile
在檔案最後面加上 :

引用:

gem 'therubyracer'

然後執行:

# bundle install
# rake db:migrate

最後設定Apache的 virtual host 如下面的範例:
RackEnv development 必加...別忘了！

引用:

RackEnv development

<VirtualHost *:80>
ServerName ror.adj.com.tw

# !!! Be sure to point DocumentRoot to 'public'!
DocumentRoot /var/www/html/helloapp/public

<Directory /var/www/html/helloapp/public>
# This relaxes Apache security settings.
AllowOverride all
# MultiViews must be turned off.
Options -MultiViews
</Directory>
</VirtualHost>

重啟 Apache:
# service httpd restart

這樣就完成 VirtualHost 的設定囉～

參考資料:
https://www.digitalocean.com/community/tutorials/how-to-setup-a-rails-4-app-with-apache-and-passenger-on-centos-6