[root@uranus html]# chcon -R -h -t httpd_sys_content_t /usr/lib/ruby/gems/1.8/ge                                                                                                                               ms/passenger-2.0.2
chcon: can't apply partial context to unlabeled file /usr/lib/ruby/gems/1.8/gems                                                                                                                               /passenger-2.0.2