Installing nagios nrpe

I have a requirement to install nagios nrpe on the ODA but I'm having trouble finding a compatible package. Has anyone done this or can anyone point me to a good resource? The below dependency list is troublesome:

# yum.repos.d]# yum deplist nrpe

Loaded plugins: security

Finding dependencies:

package: nrpe.x86_64 2.15-7.el5

  dependency: initscripts

   Unsatisfied dependency

  dependency: /sbin/service

   Unsatisfied dependency

  dependency: libwrap.so.0()(64bit)

   Unsatisfied dependency

  dependency: libc.so.6(GLIBC_2.4)(64bit)

   Unsatisfied dependency

  dependency: /usr/sbin/useradd

   Unsatisfied dependency

  dependency: nagios-common

   provider: nagios-common.x86_64 2.12-10.el5

  dependency: rtld(GNU_HASH)

   Unsatisfied dependency

  dependency: libnsl.so.1()(64bit)

   Unsatisfied dependency