Fixing the "unknown service runtime.v1alpha2.RuntimeService" error on kubeadm init

This post summarizes how to deal with the following error that occurred during kubeadm init.

1

level=fatal msg="getting status of runtime failed: rpc error: code = Unimplemented desc = unknown service runtime.v1alpha2.RuntimeService"

Conclusion

You can resolve it by running the following.

1
2

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

See the following for reference.

Kubeadm unknown service runtime.v1alpha2.RuntimeService · Issue #4581 · containerd/containerd

Problem Following Kubernetes official installation instruction for containerd and kubeadm init will fail with unknown service runtime.v1alph…

Test Environment

• kubeadm 1.22.7-00
• kubelet 1.22.7-00
• kubectl 1.22.7-00

That’s all.
I hope this is helpful.