在CentOS 6上可以使用系统安装光盘为本机创建yum repository，创建过程如下。
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创建光盘mount点
[root@centos62 ~]# mkdir /media/CentOS
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mount安装盘
[root@centos62 ~]# mount /dev/sr0 /media/CentOS mount: block device /dev/sr0 is write-protected, mounting read-only [root@centos62 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_centos62-lv_root 18G 752M 16G 5% / tmpfs 495M 0 495M 0% /dev/shm /dev/sda1 485M 31M 429M 7% /boot /dev/sr0 4.2G 4.2G 0 100% /media/CentOS
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修改yum repository配置
yum repository的配置文件存储在/etc/yum.repos.d目录下，修改repos配置如下所示(红色部分)
[root@centos62 ~]# cd /etc/yum.repos.d/ [root@centos62 yum.repos.d]# more CentOS-Media.repo # CentOS-Media.repo # # This repo is used to mount the default locations for a CDROM / DVD on # CentOS-6. 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=c6-media [command] # # or for ONLY the media repo, do this: # # yum --disablerepo=* --enablerepo=c6-media [command] [c6-media] name=CentOS-$releasever - Media baseurl=file:///media/CentOS/ file:///media/cdrom/ file:///media/cdrecorder/ gpgcheck=1 enabled=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
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disable base repository
将base repository配置文件重命名
[root@centos62 yum.repos.d]# mv CentOS-Base.repo CentOS-Base.repo.disabled
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清除缓存并显示repository
[root@centos62 yum.repos.d]# yum clean all Loaded plugins: fastestmirror Cleaning repos: c6-media Cleaning up Everything Cleaning up list of fastest mirrors [root@centos62 yum.repos.d]# yum repolist Loaded plugins: fastestmirror Determining fastest mirrors * c6-media: c6-media | 4.0 kB 00:00 ... c6-media/primary_db | 4.5 MB 00:00 ... repo id repo name status c6-media CentOS-6 - Media 6,294 repolist: 6,294