DNS脚本
#!/bin/bash
#檢測是否掛載
df | grep "sr0"
if [ $? -eq 0 ];then #掛載則直接安裝dns軟件包
yum -y install bind &> /dev/null
else
mount /dev/sr0 /mnt #若沒掛載,則先進行掛載,再安裝軟件包
yum -y install bind &> /dev/null
fi#修改主配置文件 :/etc/named.conf
sed -i 's/127.0.0.1/any/' /etc/named.conf
sed -i 's/localhost/any/' /etc/named.conf#修改區域配置文件 :/etc/named.rfc1912.zones
sed -i 's/localhost.localdomain/lic.com/' /etc/named.rfc1912.zones
sed -i 's/named.localhost/lic.com.zone/' /etc/named.rfc1912.zones
sed -i '18,100d' /etc/named.rfc1912.zones#修改區域數據配置文件 :/var/named/named.localhost
cd /var/named
cp -p named.localhost lic.com.zone
sed -i 's/@/lic.com./g' /var/named/lic.com.zone
sed -i 's/127.0.0.1/192.168.109.15/' /var/named/lic.com.zone
sed -i '9a www IN A 192.168.109.15' /var/named/lic.com.zone
sed -i '/AAAA/d' /var/named/lic.com.zone#添加指定dns服務器
sed -i '1a nameserver 192.168.109.15' /etc/resolv.conf#關閉系統防火墻和系統安全機制
systemctl stop firewalld
setenforce 0#開啟dns服務
systemctl restart named
總結
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