SHELL脚本之在Centos7上配置DNS主从服务器

主服务器配置脚本

#!/bin/bash#DNS解析主服务器脚本文件#auto by cheng at 2019.10.9#安装服务包yum install bind -y修改主配置文件sed -i '/listen-on/s/127.0.0.1/192.168.102.131/' /etc/named.confsed -i '/allow-query/s/localhost/any/' /etc/named.conf#修改区域配置文件cat >>/etc/named.rfc1912.zones <<-EOFzone "kgc.com." IN {        type master;        file "kgc.com.zone";        allow-transfer { 192.168.102.159; };};EOF#复制区域数据配置文件模板cp -p /var/named/named.localhost /var/named/kgc.com.zone#修改区域数据配置文件sed -i '2s/@/kgc.com/2' /var/named/kgc.com.zonesed -i '2s/rname.invalid./admin.kgc.com/' /var/named/kgc.com.zonesed -i '8s/@/kgc.com/' /var/named/kgc.com.zonesed -i '9s/::1/192.168.102.131/' /var/named/kgc.com.zonesed -i '10d' /var/named/kgc.com.zonecat >>/var/named/kgc.com.zone <<-EOFIN      MX      10      mail.kgc.comwww     IN      A       192.168.100.99ftp     IN      A       192.168.100.88stmp    IN      CNAME   www*       IN      A       8.8.8.8EOF#开启服务systemctl start named#关闭防火墙systemctl stop firewalld.servicesetenforce 0#修改dns解析地址配置文件echo "nameserver 192.168.102.131" > /etc/resolv.conf

从服务器配置脚本

#!/bin/bash#DNS解析从服务器脚本文件#auto by cheng at 2019.10.9#安装服务包yum install bind -y#修改主配置文件sed -i '/listen-on/s/127.0.0.1/192.168.102.159/' /etc/named.confsed -i '/allow-query/s/localhost/any/' /etc/named.conf#修改区域配置文件cat >>/etc/named.rfc1912.zones <<-EOFzone "kgc.com." IN {        type slave;        file "slaves/kgc.com.zone";        masters { 192.168.102.131; };};EOF#开启服务systemctl start named#关闭防火墙systemctl stop firewalld.servicesetenforce 0#修改dns解析地址配置文件echo "nameserver 192.168.102.159" > /etc/resolv.conf