I've installed Ruby 2.0 using rvm with apache2 in my Ubuntu 12.10 server, but I can't compile the. I think the problem is related with the rake task. Iam using the rvmsudo command to compile. Command failed with status (4): [g++ -Iext -Iext/common -Iext/libev -D_REE...] /home/bonsai/.rvm/gems/ruby-2.0.0-p0@rails32/gems/passenger-4.0.0.rc4/build/cplusplus_support.rb:31:in `compile_cxx' /home/bonsai/.rvm/gems/ruby-2.0.0-p0@rails32/gems/passenger-4.0.0.rc4/lib/phusion_passenger/common_library.rb:133:in `block (2 levels) in define_category_tasks' /home/bonsai/.rvm/gems/ruby-2.0.0-p0@rails32/bin/ruby_noexec_wrapper:14:in `eval' /home/bonsai/.rvm/gems/ruby-2.0.0-p0@rails32/bin/ruby_noexec_wrapper:14:in `' Tasks: TOP => apache2 => agents/PassengerHelperAgent => libout/common/libpassenger_common/ApplicationPool2/Implementation.o The same thing for nginx module.