Troubleshooting Control Plane

• Server online

• Network reachability

• systemd

• container runtime

• kubelet

• static pod manifest

static pod config: /var/lib/kubelet/config.yaml staticPodPath

control plane

# check kube-system pods
kubectl get pods --namespaces kube-system

# user container runtime
crictl --runtime-endpoint unix:///run/containerd/containerd.sock ps

# check static pod configuration
sudo more /var/lib/kubelet/config.yaml

sudo ls -l /etc/kubernetes/manifests

Workloads

check resource , describe, get, event, logs.