[Linux] install DNS domain name resolution service, linuxdns domain name resolution

Source: Internet
Author: User

[Linux] install DNS domain name resolution service, linuxdns domain name resolution

  • In Linux, DNS is implemented using bind.
  • Hardware and Configuration:
Machine IP Address Machine name Purpose
10.190.60.5 Hadoop01.ftgov DNS host
10.190.60.6
Hadoop02.ftgov
DNS Client
10.190.60.7
Hadoop03.ftgov
DNS Client

Procedure
  • Install bind
Command: yum-y install bind-utils bind-chroot

  • Modify/etc/named. conf access permission
Command: vim/etc/named. conf
  • Modify the/etc/named. rfc1912.zones file and add the forward and reverse resolution configurations.
Command: vim/etc/named. rfc1912.zones

Resolution: zone "ftgov" IN {// type master is being resolved when the input is similar to "ftgov" suffix such as hadoop01.ftgov; // This is the dns host file "named.ftgov.com "; // The resolution file will read the domain name and IP ing configuration of the named.ftgov.com file in the/var/named directory (generated later) allow-update {none ;};}; zone "60.190.10.in-addr. arpa "IN {// anti-resolution when the input is similar to" 10.190.60.xxx ". Pay attention to the Address Sequence type master; file" named.10.190.60.zone "; // The Reverse file is located in the configuration of named.10.190.60.zone in the/var/named directory (generated later) allow-update {none ;};};

  • Generate the forward and reverse file required for the above Configuration
    • Open the directory cd/var/named
    • Generate file named.ftgov.com
      • Configure named.ftgov.com

      • Generate file named.10.190.60.zone
      • Configuration


  • Configure other DNS clients
1. First Use ifconfig to check which Nic is used by the current client, such as my host: eth1 Nic
2. Modify the file vim/etc/sysconfig/network-scripts/ifcfg-eth1 // specifically change to the last line of your current Nic name plus a line of DNS host IP 3. Restart the client network SERVICE
Command: service network restart 4. other clients perform the same operation

  • Start the DNS server
Run the command: service named start to check whether the service is normal: tail-n 30/var/log/messages | grep named
  • Test DNS Service
Positive result: reverse result:

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