# File lib/phusion_passenger/config/validate_install_command.rb, line 37
        def self.help
                puts "Usage: passenger-config validate-install"
                puts "Validate this #{PROGRAM_NAME} installation."
                puts
                puts "Exit codes:"
                puts "  0 - All checks passed. No errors, no warnings."
                puts "  #{FAIL_EXIT_CODE} - There are some errors."
                puts "  #{WARN_EXIT_CODE} - There are no errors, but there are some warnings."
        end