update redis stuff

recovery.sh

@@ -56,3 +56,22 @@ kubectl -n kube-system apply -f https://raw.githubusercontent.com/coreos/flannel
 
 vim /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
 # update KUBELET_CGROUP_ARGS=--cgroup-driver=systemd to KUBELET_CGROUP_ARGS=--cgroup-driver=cgroupfs
+
+
+## Add new nodes as control plane
+
+# first prepre certificate key, run this one the existing control plan
+kubeadm init phase upload-certs --upload-certs
+
+
+# run the following the node to be added
+kubeadm join 192.168.1.2:6443 --token xxx --discovery-token-ca-cert-hash sha256:xxx --control-plane --certificate-key xxx
+
+
+# disbale swap
+
+sudo swapoff -a
+sudo rm /swap.img
+vim /etc/fstab  # and remove swap
+# check
+sudo swapon --show