Hadoop enterprise cluster architecture-DNS Installation

Hadoop enterprise cluster architecture-DNS Installation

Hadoop enterprise cluster architecture-DNS Installation

1. Configure IP

Vi/etc/sysconfig/network-scripts/ifcfg-eno16777736

Systemctl restart network. service

Ip-4 addr

Ping 192.168.1.1

Vi/etc/hostname

Ddd the following line:

Dns.hadoop.com

 

Install DNS Software Package

Yum-y install bind-utils bind-chroot

Rpm-qa | grep '^ bind'

 

Modify/etc/named. conf

Listen-on port 53 {any ;}; # change the original 127.0.0.1 to any

Allow-query {any ;}; # change the original localhost to any

Modify named. rfc1912.zones

Add the following content: (you can also directly write it in/etc/named. conf)

Zone "hadoop.com" IN {

Type master;

File "named.hadoop.com ";

Allow-update {none ;};

};

 

Zone '1. 168.192.in-addr. arpa "IN {

Type master;

File "named.192.168.1.zone ";

Allow-update {none ;};

};

 

Configure forward resolution File

Cp named. localhost named.hadoop.com

Add the following content to the file named.hadoop.com:

$ TTL 1D

@ In soa dns.hadoop.com. grid.dns.hadoop.com .(

0; serial

1D; refresh

1 H; retry

1 W; expire

3 H); minimum

NS dns.hadoop.com.

Dns.hadoop.com. in a 192.168.1.230

H1.hadoop.com. in a 192.168.1.231

H2.hadoop.com. in a 192.168.1.20.

H3.hadoop.com. in a 192.168.1.233

H4.hadoop.com. in a 192.168.1.234

H5.hadoop.com. in a 192.168.1.235

H6.hadoop.com. in a 192.168.1.236

H7.hadoop.com. in a 192.168.1.237

H8.hadoop.com. in a 192.168.1.238

Configure reverse resolution File

Cp named. localhost named.192.168.1.zone

Add the following content:

$ TTL 1D

@ In soa dns.hadoop.com. grid.dns.hadoop.com (

0; serial

1D; refresh

1 H; retry

1 W; expire

3 H); minimum

NS dns.hadoop.com.

231 in ptr h1.hadoop.com.

232 in ptr h2.hadoop.com.

233 in ptr h3.hadoop.com.

234 in ptr h4.hadoop.com.

235 in ptr h5.hadoop.com.

236 in ptr h6.hadoop.com.

237 in ptr h7.hadoop.com.

238 in ptr h8.hadoop.com.

 

View logs

Tail-30/var/log/messages | grep named

Add DNS resolution Server IP Address

(Add DNS1 = 192.168.1.230 to the IP configuration file of the machines on each node)

Start DNS

# Start DNS

Systemctl start named. service

# Set auto-start

Systemctl start named. service

# Viewing DNS status

Systemctl status named. service

Verification test:

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