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Changing the DNS servers Ubuntu Server 20.04 - Arm64 (Raspi)

rated 0 times [ 12] [ 0] / answers: 1 / hits: 22067 / 3 Years ago, sat, november 13, 2021, 9:50:49

I am running Ubuntu server 20.04 on a Raspberry Pi 4 and I am having difficulty updating the DNS entry in resolv.conf. resolv.conf points to the nameserver 127.0.0.53; however, I disabled the systemd-networkd dnsstublistener so I could run my own DNS server. How can I change the nameserver to point to 127.0.0.1 instead?

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answered 3 Years ago confiorc · Accepted Answer

Use netplan instead of resolv.conf

cd /etc/netplan

ls

sudo nano 50-cloud-init.yaml

Add nameservers entry.

network:

    ethernets:

        [network-device]:

            ...

            nameservers:

                addresses:

                - 2001:4860:4860::8888

                - 2001:4860:4860::8844

                - 8.8.8.8

                - 8.8.4.4

Then to apply and test:

sudo netplan apply

systemd-resolve --status