適用RHEL5.4版，首先掛載光驅到磁盤上,紅色的文件夾爲自己創建的，在配置文件裏面也是需要用到該文件夾
[root@study ~]# mount /dev/cdrom /mnt/redhat/
掛載好後按照下面配置文件，一切搞定，開始yum安裝軟件包吧！
[root@study ~]# vim /etc/yum.repos.d/rhel-debuginfo.repo
#[rhel-debuginfo]
#name=Red Hat Enterprise Linux $releasever - $basearch - Debug
#enabled=0
#gpgcheck=1
#gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
[Cluster]
name=Red Hat Enterprise Linux $releasever - $basearch - Debug
baseurl=file:///mnt/redhat/Cluster/
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
[ClusterStorage]
name=Red Hat Enterprise Linux $releasever - $basearch - Debug
baseurl=file:///mnt/redhat/ClusterStorage
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
[Server]
name=Red Hat Enterprise Linux $releasever - $basearch - Debug
baseurl=file:///mnt/redhat/Server
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-releasea
[VT]
name=Red Hat Enterprise Linux $releasever - $basearch - Debug
baseurl=file:///mnt/redhat/VT
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-releasea