This distro supports installing packages via yum. Putting the mono.repo file in /etc/yum.repos.d will allow you to install mono and related packages.
Note: The yum repository is to be used with CentOS, as it appears rhel does not ship yum
RPM Spec files: mono-core.spec mono-basic.spec libgdiplus0.spec
RPM Spec files: xsp.spec apache2-mod_mono.spec
RPM Spec files: monodoc-core.spec mono-tools.spec gecko-sharp2.spec boo.spec ikvm.spec mono-debugger.spec heap-buddy.spec nant.spec IPCE.spec mono-addins.spec
RPM Spec files: gtk-sharp2.spec
Not available for this platform
Not available for this platform