yumはパッケージを見つけることができますが、インストールできません

どうやってこれができますか？

[root@server1 ~]# yum search diy
Loaded plugins: product-id, rhnplugin, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
This system is receiving updates from RHN Classic or RHN Satellite.
======================================= N/S Matched: diy =======================================
openshift-origin-cartridge-diy-0.1.noarch : Provides diy support

  Name and summary matches only, use "search all" for everything.
[root@server1 ~]# yum install openshift-origin-cartridge-diy
Loaded plugins: product-id, rhnplugin, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
This system is receiving updates from RHN Classic or RHN Satellite.
Setting up Install Process
No package openshift-origin-cartridge-diy available.
Error: Nothing to do
[root@server1 ~]#