Kubernetes troubleshooting
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kubectl logs your_pod
kubectl get events -A
kubectl describe pod your_pod
kubectl describe nodes
, reviewconditions:
- Tools:
kubectl top
,K9s
andcrictl
Events
- FailedScheduling:
Insufficient cpu
,Insufficient memory
,timed out waiting for the condition
,unbound immediate PersistentVolumeClaims
kubectl get events, OOMKilling, FailedKillPod, SuccessfulDelete, SuccessfulCreate, NoPods, Warning, Critical, NodeSysctlChange, FailedAttachVolume, FailedMount, UnAvailableLoadBalancer, FailedCreatePodSandBox, InvalidDiskCapacity, Scheduled, NetworkNotReady, Evict, Killing, SuccessfulReconcilied, FailedToUpdateEndpointSlices, BackendNotFound, FailedScheduling, ProvisioningFailed
- Kubernetes node events: Kubernetes node events,
NodeNotSchedulable
,NodeAllocatableEnforced
,NodeHasNoDiskPressure, DiskPressure, NodeHasSufficientMemory
,NodeHasSufficientPID
,RegisteredNode
,InvalidDiskCapacity
,Starting
,NodeReady
,RemovingNode
Kubernetes components
Related
See also
kubectl get events, OOMKilling, FailedKillPod, SuccessfulDelete, SuccessfulCreate, NoPods, Warning, Critical, NodeSysctlChange, FailedAttachVolume, FailedMount, UnAvailableLoadBalancer, FailedCreatePodSandBox, InvalidDiskCapacity, Scheduled, NetworkNotReady, Evict, Killing, SuccessfulReconcilied, FailedToUpdateEndpointSlices, BackendNotFound, FailedScheduling, ProvisioningFailed
- Kubernetes node events: Kubernetes node events,
NodeNotSchedulable
,NodeAllocatableEnforced
,NodeHasNoDiskPressure, DiskPressure, NodeHasSufficientMemory
,NodeHasSufficientPID
,RegisteredNode
,InvalidDiskCapacity
,Starting
,NodeReady
,RemovingNode
- K8s troubleshooting:
kubectl logs, kubectl top, kubectl get events -A, kubectl describe pod
, Liveness, Readiness,Kubernetes events
, Pulling image, OOMKilled, ProbeWarning, Reason,FailedScheduling
,errImagePull, ImagePullBackOff
, Kubelet conditions:MemoryPressure, DiskPressure, KubeletHasSufficientPID, KubeletReady, kubectl [ debug | attach | exec ] kubectl cluster-info dump, SimKube, KWOK
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