assuming linux you could run yum whatprovides *mod_passenger.so
for example on my system it is as follows: mod_passenger-3.0.17-2.el6.1.x86_64 : Apache Module for Phusion Passenger Repo : atds Matched from: Filename : /usr/lib64/httpd/modules/mod_passenger.so mod_passenger-3.0.17-2.el6.1.x86_64 : Apache Module for Phusion Passenger Repo : installed Matched from: Filename : /usr/lib64/httpd/modules/mod_passenger.so -- You received this message because you are subscribed to the Google Groups "Puppet Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to puppet-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/puppet-users/ac351ec6-c2e0-4913-b657-6dca873aff4b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.