bash
kubectl get services -ANotes
Show services across namespaces.
Kubernetes Networking, Storage, and Config Cheat Sheet
Services, ingress, EndpointSlices, network policies, PVCs, PVs, storage classes, ConfigMaps, Secrets, and nodes.
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Services and Ingress
Discover and expose network paths to workloads.
bash
kubectl describe service web -n paymentsNotes
Inspect selectors, endpoints, ports, and type.
bash
kubectl get endpoints -n paymentsNotes
Show service endpoint IPs.
List EndpointSlices
Inspect EndpointSlice objects used for service discovery.
bashANYendpointsliceservice
bash
kubectl get endpointslices -n paymentsNotes
Inspect EndpointSlice objects used for service discovery.
bash
kubectl get ingress -ANotes
Show ingress resources across namespaces.
bash
kubectl describe ingress web -n paymentsNotes
Inspect rules, backends, and events.
bash
kubectl port-forward deployment/web 8080:8080 -n paymentsNotes
Forward to a selected pod from a deployment.
bash
kubectl expose pod debug-shell --port=8080 --target-port=8080 --name=debug-shell-svc -n toolsNotes
Create a service from an existing pod.
Network Policy
Control pod-to-pod traffic flow.
bash
kubectl get networkpolicies -ANotes
Show NetworkPolicy resources.
bash
kubectl describe networkpolicy default-deny -n paymentsNotes
Inspect ingress and egress rules.
bash
kubectl apply -f networkpolicy.yamlNotes
Create or update a NetworkPolicy manifest.
bash
kubectl delete networkpolicy allow-metrics -n observabilityNotes
Remove a NetworkPolicy.
Persistent Storage
Inspect and manage PVCs, PVs, and StorageClasses.
bash
kubectl get pvc -ANotes
Show PersistentVolumeClaims across namespaces.
bash
kubectl describe pvc data-postgres-0 -n dataNotes
Inspect requested storage, status, and bound PV.
bash
kubectl get pvNotes
Show cluster-wide PersistentVolumes.
bash
kubectl describe pv pvc-12345678Notes
Inspect reclaim policy, claim ref, and backing class.
bash
kubectl get storageclassNotes
Show available StorageClasses.
bash
kubectl describe storageclass gp3Notes
Inspect provisioner and mount options.
bash
kubectl patch pvc data-postgres-0 -n data -p '{"spec":{"resources":{"requests":{"storage":"200Gi"}}}}'Notes
Request a larger PVC size when the class supports expansion.
bash
kubectl delete pvc cache-data -n paymentsNotes
Remove a PVC; PV behavior depends on reclaim policy.
ConfigMaps and Secrets
Manage runtime configuration and credentials.
bash
kubectl get configmaps -ANotes
Show ConfigMaps across namespaces.
bash
kubectl describe configmap app-config -n paymentsNotes
Inspect key-value data and metadata.
bash
kubectl edit configmap app-config -n paymentsNotes
Update a ConfigMap live.
bash
kubectl get secrets -ANotes
Show Secrets across namespaces.
bash
kubectl describe secret app-secret -n paymentsNotes
Inspect secret type and key names without dumping values.
bash
kubectl get secret app-secret -n payments -o jsonpath='{.data.API_KEY}'Notes
Print a base64-encoded secret value.
bash
kubectl get secret app-secret -n payments -o jsonpath='{.data.API_KEY}' | base64 --decodeNotes
Print a decoded secret value locally.
bash
kubectl create secret generic app-env --from-env-file=.env.production -n paymentsNotes
Create a secret from an env file.
Nodes, Taints, and Scheduling Controls
Inspect cluster nodes and scheduling signals.
bash
kubectl get nodes -o wideNotes
Show node roles, versions, and internal IPs.
bash
kubectl describe node worker-02Notes
Inspect capacity, allocatable, taints, and conditions.
bash
kubectl taint nodes worker-02 dedicated=ml:NoScheduleNotes
Add a taint to influence scheduling.
bash
kubectl taint nodes worker-02 dedicated=ml:NoSchedule-Notes
Remove a taint from a node.
bash
kubectl label node worker-02 nodepool=general --overwriteNotes
Apply a scheduling label to a node.
bash
kubectl get pods -A --field-selector spec.nodeName=worker-02 -o wideNotes
See what is scheduled on a node.
More in Kubernetes
kubeadm Cheat Sheet
Bootstrap, join, cert, kubeconfig, reset, phase, image, and upgrade commands for kubeadm-managed clusters.
Kubernetes JSONPath and Kustomize Cheat Sheet
JSONPath recipes, custom output patterns, jq/yq workflows, and Kustomize commands supported by kubectl.
Kubernetes Troubleshooting Cheat Sheet
Debugging, inspection, RBAC checks, rollout failures, node health, and maintenance-oriented kubectl workflows.
Kubernetes Workloads Cheat Sheet
Deployments, StatefulSets, DaemonSets, Jobs, CronJobs, autoscaling, rollouts, and workload maintenance.
Kubernetes & kubectl Cheat Sheet
Comprehensive kubectl commands for contexts, resources, apply flows, creation, deletion, logs, and cluster introspection.
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