Passengerをインストールする

yum install httpd24
yum install gcc openssl-devel zlib-devel httpd24-devel curl-devel ruby-devel apr-devel apr-util-devel gcc-c++
gem install passenger

vim /etc/httpd/conf.d/passenger.conf
---------------------------------
   LoadModule passenger_module /usr/local/share/ruby/gems/2.0/gems/passenger-4.0.41/buildout/apache2/mod_passenger.so
   <IfModule mod_passenger.c>
     PassengerRoot /usr/local/share/ruby/gems/2.0/gems/passenger-4.0.41
     PassengerDefaultRuby /usr/bin/ruby2.0
   </IfModule>
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