[root@dev1 yum.repos.d]# rpm -ivh centos-release-5-0.0.el5.centos.2.i386.rpm
warning: centos-release-5-0.0.el5.centos.2.i386.rpm: V3 DSA signature: NOKEY, key ID e8562897
Preparing... ########################################### [100%]
package centos-release-5-0.0.el5.centos.2 is already installed
file /etc/issue from install of centos-release-5-0.0.el5.centos.2 conflicts with file from package centos-release-4-4.2
file /etc/issue.net from install of centos-release-5-0.0.el5.centos.2 conflicts with file from package centos-release-4-4.2
file /etc/redhat-release from install of centos-release-5-0.0.el5.centos.2 conflicts with file from package centos-release-4-4.2
file /etc/sysconfig/rhn/sources from install of centos-release-5-0.0.el5.centos.2 conflicts with file from package centos-release-4-4.2
file /etc/yum.repos.d/CentOS-Base.repo from install of centos-release-5-0.0.el5.centos.2 conflicts with file from package centos-release-4-4.2
file /etc/yum.repos.d/CentOS-Media.repo from install of centos-release-5-0.0.el5.centos.2 conflicts with file from package centos-release-4-4.2
file /usr/share/eula/eula.en_US from install of centos-release-5-0.0.el5.centos.2 conflicts with file from package centos-release-4-4.2
file /usr/share/firstboot/modules/eula.py from install of centos-release-5-0.0.el5.centos.2 conflicts with file from package centos-release-4-4.2
file /usr/share/firstboot/modules/eula.pyc from install of centos-release-5-0.0.el5.centos.2 conflicts with file from package centos-release-4-4.2
[root@dev1 yum.repos.d]# rpm -ivhF centos-release-5-0.0.el5.centos.2.i386.rpm
warning: centos-release-5-0.0.el5.centos.2.i386.rpm: V3 DSA signature: NOKEY, key ID e8562897
[root@dev1 yum.repos.d]# rpm -ivhF centos-release-5-0.0.el5.centos.2.i386.rpm
warning: centos-release-5-0.0.el5.centos.2.i386.rpm: V3 DSA signature: NOKEY, key ID e8562897
[root@dev1 yum.repos.d]# rpm -ivh --force centos-release-5-0.0.el5.centos.2.i386.rpm
warning: centos-release-5-0.0.el5.centos.2.i386.rpm: V3 DSA signature: NOKEY, key ID e8562897
Preparing... ########################################### [100%]
1:centos-release ########################################### [100%]