Shell脚本——中继DHCP服务器自动部署

详细说明参照：

vm1的脚本是：

 1 #! /bin/bash
 2 
 3 HIPSEG="10.10.10"
 4 SIPSEG="192.168.128"
 5 HRoute="10.10.10.10"
 6 SRoute="192.168.128.8"
 7 DN="ns.gr.org" 
 8 
 9 cat  > /etc/dhcpd.conf << +END+
10 ddns-update-style interim;
11 ignore client-updates;
12 
13 subnet $HIPSEG.0 netmask 255.255.255.0 {
14         option routers                  $HRoute;
15         option subnet-mask              255.255.255.0;
16         option domain-name              "$DN";
17         option domain-name-servers      $HRoute;
18         option time-offset              28800;
19         range dynamic-bootp $HIPSEG.100 $HIPSEG.200;
20         default-lease-time 21600;
21         max-lease-time 43200;
22 }
23 subnet $SIPSEG.0 netmask 255.255.255.0 {
24         option routers                  $SRoute;
25         option subnet-mask              255.255.255.0;
26         option domain-name              "$DN";
27         option domain-name-servers      $HRoute;
28         option time-offset              28800;
29         range dynamic-bootp $SIPSEG.100 $SIPSEG.200;
30         default-lease-time 21600;
31         max-lease-time 43200;
32 }
33 +END+
34 service dhcpd restart
35 ps -ax | grep dhcpd
36 
37 route add -net $SIPSEG.0/24 gw $HRoute

vm2的脚本是：

 1 #! /bin/bash
 2 IP="10.10.10"
 3 RIP="10.10.10"
 4 DN="gr.org"
 5 Name="10.10.10.10"
 6 cat >> /etc/named.conf << +END+
 7 zone "$DN." IN {
 8         type master;
 9         file "gr.org.db";
10 };
11 zone "$RIP.in-addr.arpa" IN{
12         type master;
13         file "$IP.db";
14 };
15 +END+
16 cat > /var/named/$DN.db <<+END+
17 \$TTL 86400
18 @    IN  SOA    ns.$DN.  root.$DN. (
19        20150317  6H  30M  1W  15M)
20      IN  NS     ns.$DN.
21      IN  MX  10   mail.$DN.
22 bbs  IN  CNAME  www.$DN.
23 ns   IN  A      $IP.10
24 www  IN  A      $IP.10
25 mail IN  A      $IP.11
26 +END+
27 cat > /var/named/$IP.db <<+END+
28 \$TTL 86400
29 @       IN      SOA     ns.$DN.       root.$DN.(
30                 20150317  6H  30M  1W  15M)
31         IN      NS      ns.$DN.
32 10      IN      PTR     ns.$DN.
33 10      IN      PTR     www.$DN.
34 11      IN      PTR     mail.$DN.
35 +END+
36 cat > /etc/resolv.conf <<+END+
37 nameserver $Name
38 +END+
39 
40 service named start