rac dns-dhcp配置

浅浅的花香味﹌ 2022-06-17 02:14 230阅读 0赞

\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#dns配置  
yum install -y bind  
\#配置/etc/named.conf 并覆盖 /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配置格式很烦人，由于是复制过来的文件，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配置格式很烦人，由于是复制过来的文件，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  
  
  
  
  
\#各节点配置 vi /etc/resolv.conf  
options rotate  
options timeout:2  
options attempts:5  
domain rdato.jc.com  
nameserver 192.168.1.188  \#dns服务器ip地址  
  
  
\#验证解析情况  
nslookup rclus-scan.rdato.jc.com  
  
  
  
  
\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#dhcp配置  
yum install -y dhcp  
chkconfig dhcpd on  
service dhcpd start  
\#编辑dhcp启动用户及组为root，不然有可以启动dhcpd服务会报错，具体错误 cat /var/log/messages  
  
  
\#编辑  /etc/dhcp/dhcpd.conf 添加如下内容  
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