[Kubernetes] swap is supported for cgroup v2 only. The kubelet must be properly configured to use swap.

에러메세지

$ sudo kubeadm init [sudo] ynebula 암호:  [init] Using Kubernetes version: v1.32.1 [preflight] Running pre-flight checks [WARNING Swap]: swap is supported for cgroup v2 only. The kubelet must be properly configured to use swap. Please refer to https://kubernetes.io/docs/concepts/architecture/nodes/#swap-memory, or disable swap on the node error execution phase preflight: [preflight] Some fatal errors occurred: [ERROR FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml]: /etc/kubernetes/manifests/kube-apiserver.yaml already exists [ERROR FileAvailable--etc-kubernetes-manifests-kube-controller-manager.yaml]: /etc/kubernetes/manifests/kube-controller-manager.yaml already exists [ERROR FileAvailable--etc-kubernetes-manifests-kube-scheduler.yaml]: /etc/kubernetes/manifests/kube-scheduler.yaml already exists [ERROR FileAvailable--etc-kubernetes-manifests-etcd.yaml]: /etc/kubernetes/manifests/etcd.yaml already exists [ERROR DirAvailable--var-lib-etcd]: /var/lib/etcd is not empty [preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...` To see the stack trace of this error execute with --v=5 or higher

 

해결방법

스왑을 제거 합니다.

$ sudo swapoff -a && sudo sed -i '/ swap / s/^/#/' /etc/fstab