Static DNS with DHCP on Raspbian

Question

Is it possible to get an IP address over DHCP but force a DNS server instead of using the ones from the DHCP?

I should be able to do so with a static IP addresses, but I would like to know how to do it getting an IP address over DHCP. I thought that changing /etc/resolv.conf would be permanent, but it dismisses the changes after a reboot.

Shouldn't that file contain a line »DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN« ? — FUZxxl, Mar 01 '13 at 15:21

score 9 · Accepted Answer · answered Mar 02 '13 at 15:12

9

The only thing that worked for me was:

Edit /etc/dhcp/dhclient.conf and un-comment the line:

prepend domain-name-servers 208.67.222.222;

Anyway thanks for your for your help!

answered Mar 02 '13 at 15:12

Albert Vonpupp

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score 5 · Answer 2 · answered Oct 27 '13 at 21:55

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dns-nameservers (and all others dns-xxx directives in /etc/network/interfaces) does not work in raspbian out of the box, since resolvconf is not installed by default.

sudo apt-get install resolvconf solves the issue.

answered Oct 27 '13 at 21:55

Stefano Terna

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score 3 · Answer 3 · edited Apr 21 '18 at 11:08

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I fixed this following the steps from cuonglm's answer on Unix & Linux Stack Exchange.

Edit the file /etc/dhcp/dhclient.conf and add

supersede domain-name-servers 8.8.8.8, 8.8.4.4;

Then restart network or run dhclient to make changes.

From man dhclient.conf:

The supersede statement

   supersede [ option declaration ];

   If for some option the client should always  use  a  locally-configured
   value  or  values rather than whatever is supplied by the server, these
   values can be defined in the supersede statement.

edited Apr 21 '18 at 11:08

Aurora0001

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answered Apr 21 '18 at 05:23

Apekatten

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Raspbian version? – Fabian Apr 21 '18 at 13:34

score 1 · Answer 4 · answered Mar 01 '13 at 16:34

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You can define them with a line in /etc/network/interfaces.

Underneath your interface, add the following line, replacing the x's with the actual IP of the DNS server:

dns-nameservers xxx.xxx.xxx.xxx

answered Mar 01 '13 at 16:34

nc4pk

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Thanks for your answer. It didn't work for me, it keeps getting the DNS server from the DHCP. The one I used on the /etc/network/interfaces file was in second place. – Albert Vonpupp Mar 03 '13 at 01:53
This is a wheezy only answer. Does not apply to Jessie – Ray Foss Dec 22 '19 at 16:24

Clément Moulin - SimpleRezo · Answer 5 · 2020-03-22T11:05:02.567

-1

It's an old threat, but for current Raspbian/Debian you have to add at the end of /etc/dhcpcd.conf:

static domain_name_servers=1.1.1.1 8.8.4.4

edited Mar 22 '20 at 11:05

answered Mar 20 '20 at 17:10

Clément Moulin - SimpleRezo

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Why are you still using Jessie in 2020? – Dmitry Grigoryev Mar 21 '20 at 10:41
Sorry, my answer actually is for current Rapsbian (Buster) ! Please remove your downvote... – Clément Moulin - SimpleRezo Mar 22 '20 at 11:05
Sorry but I didn't downvote, and there is no way to tell who did. – Dmitry Grigoryev Mar 24 '20 at 10:13

Static DNS with DHCP on Raspbian

5 Answers5