Installation de package bind sous redhat 5

Bonjour,

je veuix installer le package de bind sous redhat 5,je tape la commande yum install bind mais ca marche pas ,la commande me donne l'erreur suivant:

[root@dhcppc3 ~]# yum install bind
Loading "rhnplugin" plugin
Loading "installonlyn" plugin
This system is not registered with RHN.
RHN support will be disabled.
Setting up Install Process
Setting up repositories
No Repositories Available to Set Up
Reading repository metadata in from local files
Parsing package install arguments
Setting up repositories
No Repositories Available to Set Up
Reading repository metadata in from local files
No Match for argument: bind
Nothing to do

si quelqu'un peut m'aider et merci