Linux DNS配置脚本指南

#cat dns1.sh
#!/bin/bash
if [ $# -eq 4 ]; then
        echo
        echo >> /etc/named.conf
        echo "zone \"$1\" IN {" >> /etc/named.conf
        echo "        type master;"   >>  /etc/named.conf
        echo "        file \"$1.zone\";"  >> /etc/named.conf
        echo "        allow-update { none; };"  >> /etc/named.conf
        echo "};"  >> /etc/named.conf
        echo  >> /etc/named.conf

        echo "zone \"$1\" has been update"
        echo 

        echo "zone \"$3.in-addr.arpa\" IN {" >> /etc/named.conf
        echo "         type master;"  >> /etc/named.conf
        echo "         file \"$3.local\";"  >> /etc/named.conf
        echo "         allow-update { none; };" >> /etc/named.conf
        echo " };" >> /etc/named.conf
        echo >> /etc/named.conf

        echo "zone \"$3\" has been update"
        echo

        A=$1.zone
        touch  /var/named/$A
        echo "\$TTL 86400"  >> /var/named/$A
        echo "@        IN        SOA        $1.        root.$1. (" >> /var/named/$A
        echo "                          2008123101" >> /var/named/$A