挂载光驱
mount -t auto /dev/cdrom /mnt
配置本地源
[root@gbasempp1 yum.repos.d]# cat CentOS-Media.repo
# CentOS-Media.repo
#
# This repo can be used with mounted DVD media, verify the mount point for
# CentOS-7. 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=c7-media [command]
#
# or for ONLY the media repo, do this:
#
# yum --disablerepo=\* --enablerepo=c7-media [command]
[c7-media]
name=CentOS-$releasever - Media
baseurl=file:///mnt/
gpgcheck=0
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
[root@gbasempp1 yum.repos.d]# yum clean all
Loaded plugins: fastestmirror
Cleaning repos: c7-media
[root@gbasempp1 yum.repos.d]# yum makecache
Loaded plugins: fastestmirror
Determining fastest mirrors
c7-media | 3.6 kB 00:00
(1/4): c7-media/group_gz | 166 kB 00:00
(2/4): c7-media/filelists_db | 3.2 MB 00:00
(3/4): c7-media/primary_db | 3.1 MB 00:00
(4/4): c7-media/other_db | 1.3 MB 00:00
Metadata Cache Created