Hi,
I’m using the CoreOS image for my droplet. Is there any way to change which DNS name server is used? I would actually like to use consul.io for service lookup and have it fallback to the Google DNS servers.
These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.
×On CoreOS, /etc/resolve.conf is managed by systemd. One way to append to it would be to use the cloud-config metadata to add a new systemd unit file. Something like:
#cloud-config
coreos:
etcd:
# generate a new token for each unique cluster from https://discovery.etcd.io/new
discovery: https://discovery.etcd.io/[your-token-here]
# multi-region deployments, multi-cloud deployments, and droplets without
# private networking need to use $public_ipv4
addr: $private_ipv4:4001
peer-addr: $private_ipv4:7001
fleet:
public-ip: $private_ipv4 # used for fleetctl ssh command
units:
- name: etcd.service
command: start
- name: fleet.service
command: start
units:
- name: nameservers.network
content: |
[Network]
DNS=8.8.4.4
DNS=8.8.8.8
Thanks. While I can append entries to the nameservers list, I don’t think it guarantees usage. I guess I would really like to replace the nameservers used entirely.