1.vi /etc/yum.repos.d/redhat.repo
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[baseos]
name=baseos
baseurl=file:///mnt/BaseOS
#enabled:默认为1
enabled=1
gpgcheck=0
[appstream]
name=appstream
baseurl=file:///mnt/AppStream
enabled=1
gpgcheck=0
- mount /dev/sr0 /mnt/
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4.yum clean all
5.yum makecache