centos set dns server

implement simple load balancing.However, it is obvious that this round robin is not very uniform, and the pressure on one server is always high. The other is relatively close, but after removing the high pressure from the dns list, the next instance in the list is under high pressure,Then add the previous one back to the dns list, and the pressure will go back t

Author: syd168 15:09:18 from: Mr. Linux I. Basic DNS knowledgeAs we all know, in network communication, data links Use MAC addresses. The network layer uses IP addresses, and the transport layer uses port numbers, each of which has its own identification method. IP addresses are the most closely related to users. Each incoming computer (whether Internet or intranet) must have its own IP address to ensure correct inform

0 Preface Starting from this article, the author will introduce how to build an ArcGIS 10.1 for server cluster in a Linux environment. Because the cluster involves Server Load balancer processing and requests need to be distributed among different machines, domain name resolution is required. In addition, machines in the cluster need to share the site configuration file and service configuration information

EnvironmentOperating system: CentOS 6.5DNS software: Bind (Installation reference: "Linux" DNS service-bind basic configuration (ii))Bind slave ServerFrom the server is to add the configuration information from the domain example.net in the main configuration file of Bind 3　　1. configuration file Location　　　/var/named/chroot/etc/named.conf2. Add a zone definition

primary DNS server and the DNS server. The primary DNS server authorizes a specific domain name and has a rewritable DNS zone file that can be updated when needed. Receives a read-only

can be used for anti-spam verification.In fact, each DI server is only responsible for managing one or several domains within the domain of the vitality of the name and IP address of the corresponding relationship, these specific DNS city or P address segment called "20 zone, according to address the direction of the bridge is differentDNS zones are appropriately divided into forward zones (the parsing rec

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.192.11.56Sitecache.db.sitecachethe meaning of each line is explained as follows (the file name involved in the example is self-drawn, including the third to fourth line):directory/var/named: Specifies that the named process reads the path of all DNS data files, this example is the/var/named directory, and of course you can change it yourself. Primary site.com Db.site: named as the primary domain name server