一、基础配置1.1环境说明操作系统：Centos7.6PDNS：4.1.11-1.el7MariaDB：5.5.651.2关闭防火墙和selinuxsetenforce0sed-i's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/configsystemctlstopfirewalld.service&&systemctldisablefirewal