CentOS8初始化

sed -i 's|SELINUX=enforcing|SELINUX=disabled' /etc/selinux/config
setenforce 0

yum install -y yum-utils wget curl tar
yum install -y https://mirrors.aliyun.com/epel/epel-release-latest-8.noarch.rpm
sed -i 's|^#baseurl=https://download.example/pub|baseurl=https://mirrors.aliyun.com|' /etc/yum.repos.d/epel*
sed -i 's|^metalink|#metalink|' /etc/yum.repos.d/epel*

systemctl stop firewalld
systemctl disable firewalld