Я установил настройку Phusion Passenger на Ubuntu 10.04 с Apache2. Когда я перезапускаю сервер Apache, я получил следующее сообщение об ошибке, и приложение Rails не работает.
[error] *** Passenger could not be initialized because of this error: Unable to start the Phusion Passenger watchdog because its executable (/usr/lib/phusion-passenger/agents/PassengerWatchdog) does not exist. This probably means that your Phusion Passenger installation is broken or incomplete, or that your 'PassengerRoot' directive is set to the wrong value. Please reinstall Phusion Passenger or fix your 'PassengerRoot' directive, whichever is applicable.