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how to log denied traffic from Kubernetes network policies

how to log denied traffic from Kubernetes network policies

Search: kubernetes pod CrashLoopBackOff after node reboot

Vectle found the following relevant skills: - Stale internode gRPC connections after pod termination when using Kubernetes Deployments - Kubernetes "node.kubernetes.io/unreachable:NoExecute" pod evictions: how to debug

Problem outcome: unknown

Search: kubernetes pod CrashLoopBackOff after node reboot

Public search query: kubernetes pod CrashLoopBackOff after node reboot

Problem outcome: unknown

Search: kubernetes pod crashloopbackoff after node reboot

Vectle found the following relevant skills: - Stale internode gRPC connections after pod termination when using Kubernetes Deployments - Kubernetes "node.kubernetes.io/unreachable:NoExecute" pod evictions: how to debug

Problem outcome: unknown

Search: kubernetes pod crashloopbackoff after node reboot

Public search query: kubernetes pod crashloopbackoff after node reboot

Problem outcome: unknown

external-dns: no endpoints found for service

Fixes external-dns 'no endpoints found' by adding the hostname annotation to the Service or Ingress and verifying source configuration. Not for DNS provider credential errors.

Cilium "bpf: map creation failed" / endpoint not ready: how to debug

Debugs Cilium agents failing with BPF map creation errors and endpoints stuck not ready. Shows how to check the agent logs, kernel version, bpffs mount, and map pressure to find the break. Reach for it when cilium endpoints never become ready or pods lose networking on specific nodes.

AWS Load Balancer Controller "failed to build model: subnet not found"

Fixes the AWS Load Balancer Controller failing to build the load balancer model because it cannot find subnets. Shows how to check the controller logs, verify subnet tags for auto-discovery, or set explicit subnet IDs on the ingress or service. Reach for it when ingresses or services never get an address.

stern "no pods found" with a valid selector: what to check

Fixes stern reporting no pods found even though the selector looks right. Walks through verifying the selector with kubectl, checking the namespace and context, and confirming RBAC and pod states. Reach for it when stern finds nothing but you know the pods exist.

Kubernetes "node.kubernetes.io/unreachable:NoExecute" pod evictions: how to debug

Debugs pod evictions caused by the node.kubernetes.io/unreachable NoExecute taint. Shows how to confirm the node stopped reporting, find why the kubelet went silent, and decide whether to recover or delete the node. Reach for it when pods get evicted after a node goes NotReady.

Search: Kubernetes node.kubernetes.io/unreachable:NoExecute pod evictions: how to debug

Vectle found the following relevant skills: - how to debug a pod stuck in Terminating in Kubernetes - Kubernetes "FailedCreatePodSandBox": CNI sandbox creation debugging -…

Problem outcome: unknown

Search: Kubernetes node.kubernetes.io/unreachable:NoExecute pod evictions: how to debug

Public search query: Kubernetes node.kubernetes.io/unreachable:NoExecute pod evictions: how to debug

Problem outcome: unknown

Search: Kubernetes failed to admit pod: admission webhook denied the request: how

Vectle found the following relevant skills: - Kubernetes "failed to allocate IP for range": pod CIDR exhaustion fix - Kubernetes "FailedCreatePodSandBox": CNI sandbox creation debugging

Problem outcome: unknown

Search: Kubernetes failed to admit pod: admission webhook denied the request: how

Public search query: Kubernetes failed to admit pod: admission webhook denied the request: how

Problem outcome: unknown

Search: Kubernetes FailedMount: unable to attach or mount volumes debugging

Vectle found the following relevant skills: - Kubernetes HPA not scaling: metrics-server debugging - kubectl apply "unable to recognize": apiVersion mismatch debugging - […

Problem outcome: unknown

Search: Kubernetes FailedMount: unable to attach or mount volumes debugging

Public search query: Kubernetes FailedMount: unable to attach or mount volumes debugging

Problem outcome: unknown

Kubernetes "CreateContainerConfigError": what causes it and how to fix

Fixes Kubernetes CreateContainerConfigError, where a pod spec references a ConfigMap, Secret, or key that does not exist. Walks through reading pod events to name the missing reference, verifying the object, and correcting it. Reach for it when a pod never starts and describe shows the config error.

Kubernetes "FailedSync": "error determining status" kubelet debugging

Debugs the kubelet FailedSync error determining status warning on a pod. Shows how to tell a transient sync hiccup from a real kubelet or container-runtime problem, and which node-level logs to check. Reach for it when pod status flaps or the warning repeats on one node.

Search: Kubernetes FailedSync: error determining status kubelet debugging

Vectle found the following relevant skills: - Kubernetes "FailedCreatePodSandBox": CNI sandbox creation debugging - Error: Build errored: Script exited with non-zero exit status (Packer)

Problem outcome: unknown

Search: Kubernetes FailedSync: error determining status kubelet debugging

Public search query: Kubernetes FailedSync: error determining status kubelet debugging

Problem outcome: unknown

kubernetes error: ndots:5 causing slow DNS lookups - how to fix

Fixes Kubernetes slow DNS from ndots:5 with ndots tuning and stub domains. Use when DNS lookups take seconds or time out. Key trigger: slow or failing DNS inside pods.

airflow kubernetes executor pod stuck in pending

Debugs Airflow KubernetesExecutor pods that never leave Pending: resource requests, node capacity, image pull problems, and scheduler misconfiguration. Use when task pods sit in Pending and tasks never start. Not for pods that start then fail.

Search: kubectl logs pod

Vectle found the following relevant skills: - how to debug a CrashLoopBackOff with kubectl logs - kubectl logs "previous terminated container not found" explained - [abctl…

Problem outcome: unknown

Search: kubectl logs pod

Public search query: kubectl logs pod

Problem outcome: unknown

nmap scan fails with "No route to host" on authorized internal range

Fixes nmap's No route to host error on an authorized internal range: checking the local routing table, confirming the engagement VPN or tunnel is up, and pinning the interface with -e. Use when the scan cannot even leave your box. Not for target-side firewall drops.