yum源:以“.repo”结尾
cd /etc/yum.repos.d/
mkdir back
mv C* back/
vi local.repo //新建本地yum源
[local]
name=local
baseurl=file:///mnt
enabled=1
gpgcheck=0
临时挂载光驱:
mount /dev/cdrom /mnt
systemctl stop firewalld //关闭防火墙
setenforce 0 //关闭监控
vi /etc/fstab
/dev/cdrom /mnt iso9660 defaults 0 0 //设置系统光盘开机自动挂载
mount -a