1. 讲系统镜像加载光驱中  #mount /dev/cdrom /mnt
  2. 修改系统配置文件  #vi /etc/yum.repos.d/rhel-debuginfo.repo
    [rhel-debuginfo]
    name=Red Hat Enterprise Linux $releasever - $basearch - Debug
    #baseurl=ftp://ftp.redhat.com/pub/redhat/linux/enterprise/$releasever/en/os/$basearch/Debuginfo/
    baseurl=file:///mnt/Server
    #enabled=0
    enabled=1
    gpgcheck=1
    gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
  3. 标红的部分即为修改的部分 baseurl的值为本地系统镜像rpm包的路径
  4.  #vi /usr/lib/python2.4/site-packages/yum/yumRepo.py 修改文件中有一行remote = url+'/'+relative为remote="/mnt/Server"+'/'+relative
  5. 导入rpm签名信息  #rpm -import /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
  6. 清除缓存 #yum clear all
  7. 配置完成