Create local yum repository centos 7
AvailableCentOS7.6.1810x86_64ISOsincludeDVD,Everything,LiveGNOME,LiveKDE,Minimal,andNetInstallversions.,Indexof/pub/linux/centos-vault/8.5.2111/isos/x86_64;[],CentOS-8.5.2111-x86_64-boot.iso,2021-11-1309:32,789M.,Indexof/Linux/centos-vault/7.9.20...。參考影片的文章的如下: