awk '{print $3}'`sed -i "s/\$releasever/$releaseserver/g" /etc/yum.repos.d/CentOS-Base.repo```#### **CentOS 7**```wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.ivolces.com/repo/Centos-7.repo```或者```curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.ivolces.com/repo/Centos-7.repo```#### **CentOS 8**注意2020年12月08日,CentOS官方宣布了停止维护CentOS Linux的计划,并...