1、检查系统中有没有安装createrepo包,如果没有,进行安装。

# rpm -qa|grep createrepo

# rpm -ivh /media/Server/createrepoxxxx

2、将光盘或者iso mount到/media

3、建立文件夹
mkdir -p /var/RHEL5/{Cluster,ClusterStorage,Server,VT}

4、生成repodata
   createrepo -o /var/RHEL5/Cluster -g /media/Cluster/repodata/comps-rhel5-cluster.xml

/media/Cluster
   createrepo -o /var/RHEL5/ClusterStorage -g /media/ClusterStorage/repodata/comps-rhel5-cluster-

st.xml /media/ClusterStorage
   createrepo -o /var/RHEL5/Server -g /media/Server/repodata/comps-rhel5-server-core.xml

/media/Server
   createrepo -o /var/RHEL5/VT -g /media/VT/repodata/comps-rhel5-vt.xml /media/VT

5、mount --bind /var/RHEL5/Cluster/repodata /media/Cluster/repodata
   mount --bind /var/RHEL5/ClusterStorage/repodata /media/ClusterStorage/repodata
   mount --bind /var/RHEL5/Server/repodata /media/Server/repodata
   mount --bind /var/RHEL5/VT/repodata /media/VT/repodata

6、vi /etc/yum.repos.d/rhel-local.repo
[Cluster]
name=Red Hat Enterprise Linux $releasever - $basearch - Cluster
baseurl=file:///media/Cluster
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release

[ClusterStorage]
name=Red Hat Enterprise Linux $releasever - $basearch - ClusterStorage
baseurl=file:///media/ClusterStorage
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release

[Server]
name=Red Hat Enterprise Linux $releasever - $basearch - Server
baseurl=file:///media/Server
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release

[VT]
name=Red Hat Enterprise Linux $releasever - $basearch - VT
baseurl=file:///media/VT
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release

7、yum clean all