Three ways to modify DNS resolution in Linux

DNS domain name resolution is to match the corresponding domain name to the IP address.

1.HOST Local DNS resolution

  # Modify the local Hosts file  configuration /etc/hosts  # add  rule 223.231.  234.33 www.baidu.com

2. Network adapter profile DNS service address

vi/etc/sysconfig/network-scripts/ifcfg-eth0 Add rule for example: DSN1='114.114.114.114' 

3. System default DNS Configuration

vi/etc/114.114. 114.114

4. Priority of System resolution

1>2>3

Local host > NIC configuration > System default DNS Configuration

Copyright NOTICE: This article is the original article of Bo Master, without

Three ways to modify DNS resolution in Linux