Shell脚本实战——DNS主从同步脚本实例
发布时间:2020-12-16 01:39:07 所属栏目:安全 来源:网络整理
导读:DNS主从同步脚本实例 PS:两个服务器起好后最好两个服务都重启一下 主服务器配置 #!/bin/bash#DNS主从同步——主服务器rpm -q bindif [ $? -ne 0 ];then yum install bind -y systemctl start namedfi#判断DNS服务是否安装read -p "请输入主服务器地址:" zh
DNS主从同步脚本实例
PS:两个服务器起好后最好两个服务都重启一下主服务器配置#!/bin/bash #DNS主从同步——主服务器 rpm -q bind if [ $? -ne 0 ];then yum install bind -y systemctl start named fi #判断DNS服务是否安装 read -p "请输入主服务器地址:" zhu read -p "请输入从服务器地址:" cong read -p "域名(请带后缀):" yu quanju="/etc/named.conf" quyu="/etc/named.rfc1912.zones" [ ! -e $quanju.bak ] && cp $quanju $quanju.bak sed -i -e "13s/127.0.0.1/$zhu/" -e ‘21s/localhost/any/‘ $quanju [ ! -e $quyu.bak ] && cp $quyu $quyu.bak #备份全局、区域配置文件 grep "$yu" $quyu &> /dev/null while [ $? -ne 0 ];do sed -i "18azone "$yu" IN {n type master;n file "$yu.dns";n allow- transfer { $cong; };n};n" $quyu peizhi="/var/named/$yu.dns" cp -p /var/named/named.localhost $peizhi done #判断域名是否存在,如果不存在进行添加 sed -i -e ‘2d‘ -e "[email?protected] IN SOA "$yu". admin."$yu". (" /var/named/$yu.dns sed -i ‘8d‘ /var/named/$yu.dns sed -i ‘$d‘ /var/named/$yu.dns sed -i -e "7a NS $yu." -e "/A/s/127.0.0.1/$zhu/" /var/named/$yu.dns #修改区域文件 while [ 1 -ge 0 ];do read -p "请输入自定义指针(例:www IN A 8.8.8.8)" zhen echo $zhen >> /var/named/$yu.dns read -p "是否继续添加(y/n)" a if [ $a != "y" ];then break fi done #循环 systemctl stop firewalld.service setenforce 0 systemctl restart named jieguo=`systemctl status named | grep "active" &>/dev/null` if [ $? -eq 0 ];then echo "服务启动" else echo "启动失败" fi #判断服务是否能正常启动 sed -i -e ‘3d‘ -e "2anameserver $zhu" /etc/resolv.conf #用于自检 从服务器配置#!/bin/bash #DNS主从同步——从服务器 rpm -q bind if [ $? -ne 0 ];then yum install bind -y fi #判断DNS服务是否安装 read -p "请输入主服务器地址:" zhu read -p "请输入从服务器地址:" cong read -p "域名(请带后缀):" yu quanju="/etc/named.conf" quyu="/etc/named.rfc1912.zones" [ ! -e $quanju.bak ] && cp $quanju $quanju.bak sed -i -e "13s/127.0.0.1/$cong/" -e ‘21s/localhost/any/‘ $quanju [ ! -e $quyu.bak ] && cp $quyu $quyu.bak #备份全局、区域配置文件 grep "$yu" $quyu &> /dev/null while [ $? -ne 0 ];do sed -i "18azone "$yu" IN {n type slave;n file "slaves/$yu.dns";n masters { $zhu; };n};n" $quyu done #判断域名是否存在,如果不存在进行添加 systemctl restart named systemctl stop firewalld.service setenforce 0 jieguo=`systemctl status named | grep "active" &>/dev/null` if [ $? -eq 0 ];then echo "服务启动" else echo "启动失败" fi #判断服务是否能正常启动 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |