rac dns-dhcp配置

###################################################dns配置
yum install -y bind
#配置/etc/named.conf 並覆蓋 /etc/named.conf
cat /etc/named.conf > /etc/named.conf.bak
cat > /etc/named.conf << EOF
options {
        directory "/var/named";
};
zone "1.168.192.IN-ADDR.ARPA" IN {
        type master;
        file "dns.com.jc.rdato";
};
zone "rdato.jc.com." IN {
        type master;
        file "rdato.jc.com.dns";
};
EOF


cp -p /var/named/named.localhost /var/named/dns.com.jc.rdato
cp -p /var/named/named.localhost /var/named/rdato.jc.com.dns


chkconfig named on
service named restart




#配置反向解析 vi /var/named/dns.com.jc.rdato 注意dns配置格式很煩人，由於是複製過來的文件，所以只修改minimum以下行的信息即可
$TTL 1D
@ IN SOA @ rname.invalid. (
0    ; serial
1D  ; refresh
1H  ; retry
1W  ; expire
3H ) ; minimum
@       IN      NS      cluster-gns.rdato.jc.com.
159     IN      PTR     cluster-gns.rdato.jc.com.
151     IN      PTR     rac1.rdato.jc.com.
152     IN      PTR     rac2.rdato.jc.com.
153     IN      PTR     rac3.rdato.jc.com.
154     IN      PTR     rac4.rdato.jc.com.
241     IN      PTR     rclus-scan.rdato.jc.com.
242     IN      PTR     rclus-scan.rdato.jc.com.
243     IN      PTR     rclus-scan.rdato.jc.com.








#配置反向解析 vi /var/named/rdato.jc.com.dns 注意dns配置格式很煩人，由於是複製過來的文件，所以只修改minimum以下行的信息即可
$TTL 1D
@ IN SOA @ rname.invalid. (
0    ; serial
1D  ; refresh
1H  ; retry
1W  ; expire
3H ) ; minimum
@                       IN      NS      cluster-gns.rdato.jc.com.
cluster-gns             IN      A       192.168.1.159
rac1                    IN      A       192.168.1.151
rac2                    IN      A       192.168.1.152
rac3                    IN      A       192.168.1.153
rac4                    IN      A       192.168.1.154
rclus-scan              IN      A       192.168.1.241
rclus-scan              IN      A       192.168.1.242
rclus-scan              IN      A       192.168.1.243




#各節點配置 vi /etc/resolv.conf
options rotate
options timeout:2
options attempts:5
domain rdato.jc.com
nameserver 192.168.1.188  #dns服務器ip地址


#驗證解析情況
nslookup rclus-scan.rdato.jc.com




###################################################dhcp配置
yum install -y dhcp
chkconfig dhcpd on
service dhcpd start
#編輯dhcp啓動用戶及組爲root，不然有可以啓動dhcpd服務會報錯，具體錯誤 cat /var/log/messages


#編輯  /etc/dhcp/dhcpd.conf 添加如下內容
cat > /etc/dhcp/dhcpd.conf << EOF
ddns-update-style               interim;
ignore client-updates;
subnet 192.168.1.0 netmask 255.255.255.0 {
       range 192.168.1.241 192.168.1.249;
       option subnet-mask  255.255.255.0;
       option domain-name  "rdato.jc.com";
       option domain-name-servers      192.168.1.188;
}
EOF