RedHat安装DNS脚本

最新推荐文章于 2025-09-10 23:01:16 发布

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最新推荐文章于 2025-09-10 23:01:16 发布

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CC 4.0 BY-SA版权

文章标签：运维 awk

原文链接：https://my.oschina.net/Dingos/blog/293137

本文深入探讨了DNS配置及解析流程，通过脚本演示如何安装并配置BIND服务器，实现域名解析与记录创建。

为什么80%的码农都做不了架构师？>>>

#!/bin/bash

conf=/var/named/chroot/etc/named.conf
datadir=/var/named/chroot/var/named

rpm -q bind &> /dev/null
if [ $? -ne 0 ]; then
yum -y install bind bind-chroot caching-nameserver
fi

if [ ! -f $conf ];then
echo "options {
directory \"/var/named\";
};" > $conf
fi

read -p "please input domain_name:" domain
grep $domain $conf &> /dev/null
if [ $? -ne 0 ]; then
echo "zone \"$domain\" in {
type master;
file \"$domain\";
};" >> $conf
echo "\$ttl 86400
@ in soa ${domain}. root.${domain}. (
2013010101
3h
15m
1w
1d

)"> $datadir/$domain
while true
do
read -p "Type of recond(ns/a/cname/mx/ptr):" type
case $type in
ns)
echo $domain | grep "in-addr.arpa" &> /dev/null

if [ $? -eq 0 ]; then
read -p "hostname of FDQN:" fdqn
echo "@ in ns $fdqn.">> $datadir/$domain

else
read -p "head of hostname:" head
echo "@ in ns $head">> $datadir/$domain
fi
;;
a)
read -p "head of hostname:" head
read -p "ip address:" ip
echo "$head in a $ip">> $datadir/$domain

;;
ptr)
read -p "ip address:" ip
read -p "hostname of FQDN:" fqdn
host=$(echo $ip | awk -F. '{print $4}')
echo "$host in ptr $fqdn.">> $datadir/$domain
;;
mx)
read -p "priority of recond:" priority
read -p "head of hostname:" head
read -p "ip address:" ip

echo "@ in mx $priority $head">>$datadir/$domain
echo "$head in a $ip">> $datadir/$domain
;;
cname)
read -p "please input aliase:" aliase
read -p "head of hostname:" head
echo "$aliase in cname $head">> $datadir/$domain

;;
esac
read -p "continue to do (yes/no)?" yn
if [ $yn = no ]; then
exit 0
fi

done
fi