gcloud compute ssh node0
Download the etcd unit file:
sudo curl https://kuar.io/etcd.service \
-o /etc/systemd/system/etcd.service
Review the etcd unit file:
cat /etc/systemd/system/etcd.service
Start the etcd service:
sudo systemctl daemon-reload
sudo systemctl enable etcd
sudo systemctl start etcd
Verify
sudo systemctl status etcd