Shell脚本——DNS自动部署

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（一）跟我一起玩Linux网络服务：DNS服务——BIND（/etc/named.conf、/var/named)设置实现和解释

 #! /bin/bash
 IP="10.10.10"
 RIP="10.10.10"
 DN="gr.org"
 Name="10.10.10.10"

 cat >> /etc/named.conf << +END+
 zone "$DN." IN {
         type master;
         file "gr.org.db";
 };
 zone "$RIP.in-addr.arpa" IN{
         type master;
         file "$IP.db";
 };
 +END+
 cat > /var/named/$DN.db <<+END+
 \$TTL
 @    IN  SOA    ns.$DN.  root.$DN. (
          6H  30M  1W  15M)
      IN  NS     ns.$DN.
      IN  MX     mail.$DN.
 bbs  IN  CNAME  www.$DN.
 ns   IN  A      $IP.
 www  IN  A      $IP.
 mail IN  A      $IP.
 +END+
 cat > /var/named/$IP.db <<+END+
 \$TTL
 @       IN      SOA     ns.$DN.       root.$DN.(
                   6H  30M  1W  15M)
         IN      NS      ns.$DN.
       IN      PTR     ns.$DN.
       IN      PTR     www.$DN.
       IN      PTR     mail.$DN.
 +END+
 cat > /etc/resolv.conf <<+END+
 nameserver $Name
 +END+

 service named start