centos7 本地yum源配置

1.准备工作

#查看操作系统
cat /etc/redhat-release

#准备对应的iso文件
CentOS-7-x86_64-DVD-1708.iso

2.挂在镜像文件

cd /mnt
mkdir cdrom
mount -o loop /mnt/CentOS-7-x86_64-DVD-1708.iso /mnt/cdrom

3.配置本地yum源

#备份原有yum
cd /etc/yum.repos.d
mkdir backup
mv *repo backup

#创建本届yum源码文件
touch CentOS-local.repo

#添加如下内容
[base-local]
name=CentosOS7-local
baseurl=file:///mnt/cdrom
enabled=1
gpgcheck=1
gpgkey=file:///mnt/cdrom/RPM-GPG-KEY-CentOS-7

4.验证

yum clean all
yum makecache

#验证
yum list