官网下载OracleLinux8.8
https://yum.oracle.com/ISOS/OracleLinux/OL8/u8/x86_64/OracleLinux-R8-U8-x86_64-dvd.iso
Linux8配置本地yum源
# cat /etc/yum.repos.d/dvd.repo
[InstallMedia]
name=CentOS Linux 8
baseurl=file:///mnt/BaseOS
gpgcheck=0
enabled=1
[AppStream]
name=AppStream
baseurl=file:///mnt/AppStream
enabled=1
gpgcheck=0
挂接本地iso文件
# mount /opt/OracleLinux-R8-U8-x86_64-dvd.iso /mnt
停用NetworkManager使用network
# yum -y install network-scripts
# systemctl enable network.service;systemctl start network.service;
# systemctl disable NetworkManager;systemctl stop NetworkManager