[Kubernetes]Trouble Shooting

kubeadm

init / join 오류

[preflight] Running pre-flight checks
        [WARNING Swap]: swap is enabled; production deployments should disable swap unless testing the NodeSwap feature gate of the kubelet
error execution phase preflight: [preflight] Some fatal errors occurred:
        [ERROR CRI]: container runtime is not running: output: time="2023-04-18T16:54:14+09:00" level=fatal msg="validate service connection: CRI v1 runtime API is not implemented for endpoint \"unix:///var/run/containerd/containerd.sock\": rpc error: code = Unimplemented desc = unknown service runtime.v1.RuntimeService"
, error: exit status 1
[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

• [WARNING Swap]
  • Swap 종료

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

• [ERROR CRI]

  sudo rm /etc/containerd/config.toml
  sudo systemctl restart containerd
  sudo kubeadm init