I have been in DevOps related jobs for past 6 years dealing mainly with Kubernetes in AWS and on-premise as well. I spent quite a lot …
Backup ETCD
export ETCDCTL_API=3
etcdctl snapshot save /opt/snapshot-pre-boot.db --cert=/etc/kubernetes/pki/etcd/server.crt --cacert=/etc/kubernetes/pki/etcd/ca.crt --key=/etc/kubernetes/pki/etcd/server.key