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[linux] Linux sets up DNS servers

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Posted on 12/14/2016 9:31:16 AM | | |
To set up the DNS server, you need to modify the /etc/resolv.conf file. Here is an example of a resolv.conf file.


[root@CentOS~]# cat /etc/resolv.conf

nameserver 192.168.3.1

nameserver 192.168.3.2

options rotate

options timeout:1 attempts:2

192.168.3.1 is the first name server, 192.168.3.2 is the second name server, option rotate refers to polling between these two DNS servers, option timeout:1 means the resolution timeout time is 1s (default is 5 seconds), and attempts represents the number of attempts to resolve the domain name. If you need to add a DNS server, you can directly modify this file.

My DNS settings are as follows:







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