Instalando

apt install etcd-client -y

Listando membros

TCDCTL_API=3 etcdctl \ --endpoints=https://127.0.0.1:2379 \ --cacert=/var/lib/rancher/rke2/server/tls/etcd/server-ca.crt \ --cert=/var/lib/rancher/rke2/server/tls/etcd/server-client.crt \ --key=/var/lib/rancher/rke2/server/tls/etcd/server-client.key \ member list 23ca5cc922544c69, started, rke-controller-2-ad935f3b, https://10.0.30.51:2380, https://10.0.30.51:2379, false 89b89a170f89efd4, started, rke-controller-1-84aeda44, https://10.0.30.50:2380, https://10.0.30.50:2379, false

Removendo membro

sudo ETCDCTL_API=3 etcdctl \
  --endpoints=https://127.0.0.1:2379 \
  --cacert=/var/lib/rancher/rke2/server/tls/etcd/server-ca.crt \
  --cert=/var/lib/rancher/rke2/server/tls/etcd/server-client.crt \
  --key=/var/lib/rancher/rke2/server/tls/etcd/server-client.key \
  member remove ID