Passenger是一个Apache2的模块，用它可以方便、高效地部署Rails程序

在配置文件中添加：
LoadModule passenger_module /usr/local/rvm/gems/ruby-2.0.0-p247/gems/passenger-4.0.33/buildout/apache2/mod_passenger.so
PassengerRoot /usr/local/rvm/gems/ruby-2.0.0-p247/gems/passenger-4.0.33
PassengerDefaultRuby /usr/local/rvm/wrappers/ruby-2.0.0-p247/ruby

ServerName www.yourhost.com
# !!! Be sure to point DocumentRoot to 'public'!
DocumentRoot /somewhere/public

# This relaxes Apache security settings.
AllowOverride all
# MultiViews must be turned off.
Options -MultiViews