先 安装RVM Ruby Rails

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1. Install Apache2

sudo apt-get install apache2

2. Install Passenger 
gem install passenger

3. 将passenger集成进Apache 
passenger-install-apache2-module

4. 将步骤3安装成功后的提示信息加入Apach3 配置文件/etc/apache2/httpd.conf,如果没有，创建一个 
LoadModule passenger_module /home/abbuggy/.rvm/gems/ruby-1.9.2-p320/gems/passenger-3.0.18/ext/apache2/mod_passenger.so PassengerRoot /home/abbuggy/.rvm/gems/ruby-1.9.2-p320/gems/passenger-3.0.18 PassengerRuby /home/abbuggy/.rvm/wrappers/ruby-1.9.2-p320/ruby

5. 配置根目录和端口号，/etc/appach3/httpd.conf 例如 
ServerName localhost

ServerName localhost:80 # !!! Be sure to point DocumentRoot to 'public'!
DocumentRoot /var/www//public
/public> # This relaxes Apache security settings.
AllowOverride all # MultiViews must be turned off.
Options -MultiViews

6. 在apache2.conf 文件中，添加 # Include all the user configurations:
Include httpd.conf
重启Apache 服务
service apache2 restart

7. 查看日志 
tail -f /var/log/apache2/access.log
tail -f /var/log/apache2/error.log

8. 修改端口
/etc/apache2/httpd.conf
/etc/apache2/ports.conf