The apache2 configtest failed.
Output of config test was:
[Tue Mar 25 06:06:07.713115 2014] [so:warn] [pid 1119:tid 3073837632] AH01574: module passenger_module is already loaded, skipping
AH00526: Syntax error on line 226 of /etc/apache2/apache2.conf:
Invalid command 'PassengerDefaultRuby', perhaps misspelled or defined by a module not included in the server configuration
Action 'configtest' failed.
The Apache error log may have more information.