Prerequisites Install etcd and etcdctl Watching keys watch to get notified of future changes: etcdctl watch $KEY[$END_KEY] Options -i, --interactive[=false]: interactive mode --prefix[=false]: watch on a prefix if prefix is set--rev=0: Revision to start watching --prev-kv[=false]: get the previous key-value pair before the event happens --progress-notify[=false]: get periodic watch progress notification from server Options inherited from parent commands --endpoints="127.0.0.1:2379": gRPC endp...