Init HA control-plane endpoint kubeadm

Bootstrap HA cluster behind a LB VIP; --upload-certs shares CA for other masters

kubeadm init --control-plane-endpoint "<host>:6443" --upload-certs --pod-network-cidr=10.244.0.0/16

#kubeadm #k8s #security

more kubeadm all 5 commands →

Print fresh join command kubeadm token create --print-join-command Check cert expiration kubeadm certs check-expiration Renew all certs then restart kubeadm certs renew all && systemctl restart kubelet Plan and apply upgrade kubeadm upgrade plan && kubeadm upgrade apply v1.30.2