Redhat5.4/5 set the local disk to yum source for installation 1. create a directory # mkdir-p/mnt/cdrom # mount/dev/cdrom/mnt/cdrom 2. modify the yum configuration file # vi/etc/yum. repos. d/rhel-debuginfo.repo clears all content and adds the following: [rhel-debuginfo] name = Red Hat Enterprise Linux $ releasever-$ basearch-Debugbaseurl = file: /// mnt/cdrom/Serverenabled = 1 gpgcheck = 1 gpgkey = file: /// etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release [Cluster] name = Red Hat Enterprise Linux $ releasever-$ basearch-C Lusterbaseurl = file: // mnt/cdrom/Clusterenabled = 1 gpgcheck = 1 gpgkey = file: /// etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release [ClusterStorage] name = Red Hat Enterprise Linux $ releasever-$ basearch-ClusterStoragebaseurl = file: /// mnt/cdrom/ClusterStorageenabled = 1 gpgcheck = 1 gpgkey = file: /// etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release [Server] name = Red Hat Enterprise Linux $ releasever-$ basearch-Serverbaseurl = fi Le: // mnt/cdrom/Serverenabled = 1 gpgcheck = 1 gpgkey = file: /// etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release [VT] name = Red Hat Enterprise Linux $ releasever-$ basearch-VTbaseurl = file: /// mnt/cdrom/VTenabled = 1 gpgcheck = 1 gpgkey = file: // etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release save, exit. 3. Update yum configuration # yum clean all