etcdctl is a command line client for etcd. It is required to take an etcd snapshot dump at a specific time. The v3 API (ETCDCTL_API=3) of etcdctl will be used while running the snapshot command. The easiest way to get the etcdctl utility is to take it from the etcd binary. The following steps ensure that the etcdctl v3 API is installed properly.
Note: Run the following commands as superuser.