Hey Everyone, is anyone know why this error is coming? ``` sudo systemctl statu . . .

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Zia Ur Rehman:
Hey Everyone, is anyone know why this error is coming?

sudo systemctl status kubelet
● kubelet.service - kubelet: The Kubernetes Node Agent
     Loaded: loaded (/lib/systemd/system/kubelet.service; enabled; vendor preset: enabled)
    Drop-In: /etc/systemd/system/kubelet.service.d
             └─10-kubeadm.conf
     Active: activating (auto-restart) (Result: exit-code) since Tue 2023-02-07 08:21:22 UTC; 1s ago
       Docs: <https://kubernetes.io/docs/home/>
    Process: 3850 ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS (code=exited, status=1/FAILURE)
   Main PID: 3850 (code=exited, status=1/FAILURE)
kubectl, kubelet and kubeadm version is v1.26.1

ubuntu 20.04
          Zia Ur Rehman:

When i RUN journalctl -xu kubelet.service
-- Logs begin at Tue 2023-02-07 08:10:33 UTC, end at Tue 2023-02-07 08:31:06 UTC. --
Feb 07 08:19:59 k-master systemd[1]: Started kubelet: The Kubernetes Node Agent.
-- Subject: A start job for unit kubelet.service has finished successfully
-- Defined-By: systemd
-- Support: <http://www.ubuntu.com/support>
-- A start job for unit kubelet.service has finished successfully.
-- The job identifier is 2436.
Feb 07 08:20:00 k-master kubelet[3616]: E0207 08:20:00.042800    3616 run.go:74] "command failed" err="failed to validate kubelet flags: the container runtime endpoint address was not specified or empty, use --container-runtime-endpoint to set"
Feb 07 08:20:00 k-master systemd[1]: kubelet.service: Current command vanished from the unit file, execution of the command list won't be resumed.
Feb 07 08:20:00 k-master systemd[1]: kubelet.service: Main process exited, code=exited, status=1/FAILURE
-- Subject: Unit process exited
-- Defined-By: systemd
-- Support: <http://www.ubuntu.com/support>
-- An ExecStart= process belonging to unit kubelet.service has exited.
-- The process' exit code is 'exited' and its exit status is 1.
Feb 07 08:20:00 k-master systemd[1]: kubelet.service: Failed with result 'exit-code'.
          Muhammad Furqan:
err="failed to validate kubelet flags: the container runtime endpoint address was not specified or empty, use --container-runtime-endpoint to set"
@Zia Ur Rehman check config file
          Zia Ur Rehman:

@Muhammad Furqan @Santosh Kaluskar Do we need to use this configuration or not?

image.png1500×464 49.7 KB
          
Santosh Kaluskar:

absense of a cni plugin will keep the nodes in Not Ready state. But here, nodes are not coming up. Initial settings like swap memory and cgrtoup drivers is an important step,  then we need to proceed with installing the components.
I recommend looking at <https://thenewstack.io/how-to-deploy-kubernetes-with-kubeadm-and-containerd/|this blog> for the steps required for Kubeadm / containerd setup. Later you can choose you cni
          Zia Ur Rehman:

Hi @Santosh Kaluskar Sorry to disturb you again. Is both of them are same?

kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml

https://github.com/containerd/containerd/blob/main/docs/getting-started.md#step-3-installing-cni-plugins