进入 /etc/yum.repo.d/ 文件夹
vi Centos-Media.repo
修改文件中的dvd的位置，并打开本地源，如下：1
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20# CentOS-Media.repo
#
# This repo is used to mount the default locations for a CDROM / DVD on
# CentOS-5. You can use this repo and yum to install items directly off the
# DVD ISO that we release.
#
# To use this repo, put in your DVD and use it with the other repos too:
# yum --enablerepo=c5-media [command]
# <!--more-->
# or for ONLY the media repo, do this:
#
# yum --disablerepo=\* --enablerepo=c5-media [command]
[c5-media]
name=CentOS-$releasever - Media
baseurl=file:///mnt/
gblerepo=\* --enablerepo=c5-mediapgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
保存退出
#mount /dev/cdrom /mnt //挂载光盘到/mnt下
使用命令如下：1
yum --disablerepo=\* --enablerepo=c5-media install/remove -y