Red Hat Enterprise Linux 7 contains Ruby version 2.0.0. The system paths for libraries and gems have changed from Red Hat Enterprise Linux 6.

The files and directories listed below are not owned by any RPM package, or they are owned by RPM packages that are not signed by Red Hat. These packages need to be rebuilt and reinstalled to work with Ruby 2.0.0.

For the information about migrating Ruby from Red Hat Enterprise Linux 6 to Red Hat Enterprise Linux 7, see [link:https://access.redhat.com/site/articles/790123].
