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Question

Can i change the DNS in /etc/resolv.conf?

  • Posted on September 1, 2014
  • ed5Asked by ed5

Hi Guys,

Previously on my 123-reg vps I configured OpenDNS as my resolver and I want to use OpenDNS on my DigitalOcean server. The file says that I should not modify by hand what do you recommend.

I have to use OpenDNS dns lookup.

Thanks. Ersin.

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Tony Tsang • September 2, 2014

You can modify /etc/network/interfaces to change the name servers

auto eth0
iface eth0 inet static
        address xxx.xxx.xxx.xxx
        netmask xxx.xxx.xxx.xxx
        gateway xxx.xxx.xxx.xxx
        dns-nameservers 8.8.4.4 8.8.8.8 # modify this line

auto eth0 inet6 static << if ipv6 is enabled
       similar to ipv4 config

Then just run the following command to restart the network interface to reload new configuration.

# should be in one single line, otherwise you have to reenable the eth0 in DO console
 sudo ifdown eth0; sudo ifup eth0;
imrehg • October 22, 2014

I was just having problems with the default 4.2.2.1 resolver, switched over to Google DNS (8.8.8.8 and 8.8.4.4). I wonder if DigitalOcean will have their internal/co-located DNS service to speed up these queries? Otherwise GoogleDNS works well (even if it’s not the fastest according to what I’ve read elsewhere).

ed5 • September 1, 2014

Yes you are right the after reboot it gets lost. I found another solution you can edit resolvconf configuration.

edit - /etc/resolvconf/resolv.conf.d/base add whatever name server you want it works.

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