CentOS8配置网络yum源方法
第一步:备份系统yum源mkdir /opt/yum.repos.dmv /etc/yum.repos.d/CentOS-* /opt/yum.repos.d第二步:安装wgetyum install -y wgetCentOS 5wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repoCentOS 6wget -O /etc/yum.repos.d/CentOS-Base.r