一键安装DNS主从服务器

一键安装dns主从服务器

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#!/bin/bash firwalld_stop(){     systemctl stop firewalld     setenforce 0 } yum_install(){     yum install bind bind-chroot bind-utils -y } sed_change(){     sed -i '13s/127.0.0.1/any/' /etc/named.conf     sed -i '21s/localhost/any/' /etc/named.conf } edit_named_conf(){ cat >>/etc/named.conf<<eof zone "wg007.com" IN { type master; file "wg007.com.zone"; allow-update { none; }; allow-transfer { 172.18.47.112; }; notify              yes; also-notify  { 172.18.47.112; }; }; eof } edit_zone(){ cat >>/var/named/wg007.com.zone<<eof $TTL 86400 @   IN  SOA     wg007.com. admin.wg007.com. ( 20200107  ;Serial 3600        ;Refresh 1800        ;Retry 604800      ;Expire 86400       ;Minimum TTL       ) @      IN   NS    admin.wg007.com. admin   IN  A   172.18.47.110 www     IN  A       172.18.47.110 app     IN  A       172.18.47.110 ppp     IN  A       172.18.47.110 ftp     IN  CNAME        www.wg007.com eof } server_restart(){     systemctl restart named } #############################主dns服务器 firwalld_stop rpm -qa |grep bind if [ $? -ne 0 ]; then     yum_install fi sed_change cat /etc/named.conf|grep -w "wg007" if [ $? -ne 0 ]; then     edit_named_conf fi if [ ! -f /var/named/wg007.com.zone ]; then     edit_zone fi server_restart #############################从dns服务器 ssh root@172.18.47.112 " yum install bind bind-chroot bind-utils -y   sed -i '13s/127.0.0.1/any/' /etc/named.conf sed -i '21s/localhost/any/' /etc/named.conf   cat >>/etc/named.conf<<eof zone "wg007.com" IN {         type slave;         file "slaves.wg007.com.zone";         masters { 172.18.47.110; }; }; eof   systemctl restart named "