Difference between revisions of "Kubernetes troubleshooting"
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* <code>[[PLEG is not healthy]]</code> | * <code>[[PLEG is not healthy]]</code> | ||
* <code>[[/var/log/kubelet.log]]</code> | * <code>[[/var/log/kubelet.log]]</code> | ||
| + | |||
| + | |||
| + | * [[Kubernetes Pod Topology Spread Constraints]] | ||
== Related == | == Related == | ||
Revision as of 14:43, 16 December 2022
Commands
kubectl logs your_podkubectl get events -Akubectl describe pod your_podkubectl describe nodes, reviewconditions:
- Tools:
kubectl top,K9sandcrictl
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
- Readiness, Liveness,
Readiness probe errored - Reason: ProbeWarning
- Kubernetes Pod Disruptions
Unable to connect to the server, ~/.kube/configDiskPressureCalculateExpectedPodCountFailed
aws eks create-cluster --logging
Activities
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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