Permanently changing nameserver

[Bruce Labitt]

At the time I set up this node (many years ago now) I was having a LOT of
trouble with NetworkManager.  Basically I bypassed it.  (Nowadays, on other
machines, including RPI4 and Ubuntu, it seems to work fine.)
To the best of my knowledge, I had purged NetworkManager on this RPI2.  So
NetworkManager is not active.  ie, /etc/NetworkManager/NetworkManager.conf
does not exist on this RPI2.  There is no service NetworkManager running
either.

On Mon, Aug 2, 2021 at 1:46 PM Bruce Dawson <jbd at codemeta.com> wrote:

> Then you may want to do
>
> [main]
>
> dns=none
>
> in /etc/NetworkManager/NetworkManager.conf
>
> --Bruce
> On 8/2/21 1:43 PM, Bruce Labitt wrote:
>
> Think it is being overridden in /etc/network/interfaces as well.  Tried
> enabling prepend domain-name-servers in dhclient.conf, but that didn't work.
>
> On Mon, Aug 2, 2021 at 1:37 PM Bruce Dawson <jbd at codemeta.com> wrote:
>
>> This is being set by dhclient when it gets the DHCP info.
>>
>> I believe you can "fix" this by removing the 'domain-name-servers' from
>> the 'request' stanza in /etc/dhcp/dhclient.conf. You probably want to do
>> this ONLY on the machines that you don't want to get the DNS servers from
>> DHCP.
>>
>> --Bruce
>> On 8/2/21 11:45 AM, Bruce Labitt wrote:
>>
>> Due to some ISP snafus, and network reconfiguration, some of my RPI's are
>> pointing to the wrong nameserver.  I use a pihole for DNS.  Anyways, I have
>> a single RPI2 as a print server and it is stubbornly pointing to the wrong
>> IP address.  The RPI2 is running on Raspberry Pi Debian Stretch.  I only
>> use this node as the cups printer.
>>
>> If I do cat /etc/resolve.conf I get, # generated by resolvconf
>> nameserver  192.168.1.xxx
>> I want to have it permanently point to 192.168.1.1, ie the gateway so
>> that I let the router redirect DNS traffic to pihole.  Looking at
>> resolvconf info, it says NOT to use it directly.  So how does one do this?
>>
>>
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