1+X中级A卷:YUM管理

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配置yum源

vi /etc/yum.repos.d/local.repo
配置内容为:
[centos7]
name=centos7
baseurl=file:///opt/centos
gpgcheck=0
enabled=1

挂载

mkdir  /opt/centos
mount /dev/cdrom /opt/centos

清空yum并查看状态

yum clean all
yum repolist