m0_51980775的博客

当我去执行这段代码:yum install -y epel-release,报此错sudo sed -i -e "s|mirrorlist=|#mirrorlist=|g" /etc/yum.repos.d/CentOS-*[root@localhost 桌面]# sudo sed -i -e "s|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g" /etc/yum.repos.d/CentOS-*[root@