bashANYkubeadmversion
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kubeadm versionPrint kubeadm version information.
kubeadm Cheat Sheet
Bootstrap, join, cert, kubeconfig, reset, phase, image, and upgrade commands for kubeadm-managed clusters.
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Cluster Bootstrap
Initialize and inspect kubeadm-based clusters.
bashANYkubeadminit
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kubeadm init --pod-network-cidr=10.244.0.0/16Bootstrap a new control plane.
Initialize with cert upload
Initialize HA control plane and upload certs for additional control-plane joins.
bashANYkubeadminitha
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kubeadm init --control-plane-endpoint=k8s.example.com --upload-certsInitialize HA control plane and upload certs for additional control-plane joins.
bashANYkubeadmtoken
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kubeadm token createCreate a bootstrap token for joining nodes.
bashANYkubeadmjointoken
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kubeadm token create --print-join-commandGenerate a ready-to-run join command.
bashANYkubeadmtoken
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kubeadm token listShow active kubeadm bootstrap tokens.
bashANYkubeadmtokendelete
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kubeadm token delete abcdef.0123456789abcdefInvalidate a bootstrap token.
bashANYkubeadmjoinworker
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kubeadm join k8s.example.com:6443 --token abcdef.0123456789abcdef --discovery-token-ca-cert-hash sha256:<hash>Join a worker node to the cluster.
bashANYkubeadmjoincontrol-plane
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kubeadm join k8s.example.com:6443 --token abcdef.0123456789abcdef --discovery-token-ca-cert-hash sha256:<hash> --control-plane --certificate-key <key>Join an additional control-plane node.
Certificates and kubeconfig
Operate kubeadm-managed PKI and kubeconfig files.
bashANYkubeadmcerts
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kubeadm certs check-expirationSee kubeadm-managed certificate expiry dates.
bashANYkubeadmcertsrenew
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kubeadm certs renew allRenew all kubeadm-managed control-plane certificates.
bashANYkubeadmcertsrenew
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kubeadm certs renew apiserverRenew the API server certificate only.
bashANYkubeadmcertsha
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kubeadm certs certificate-keyGenerate a certificate key for control-plane join.
bashANYkubeadmkubeconfig
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kubeadm kubeconfig user --client-name=platform-adminGenerate a kubeconfig file for a user credential.
bashANYkubeadmphasecerts
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kubeadm init phase upload-certs --upload-certsRun only the cert upload phase.
Phases, Reset, and Upgrade
Break apart the lifecycle for advanced administration.
bashANYkubeadmphasepreflight
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kubeadm init phase preflightRun kubeadm preflight checks.
bashANYkubeadmphasecontrol-plane
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kubeadm init phase control-plane allRun control-plane static pod generation phases.
bashANYkubeadmreset
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kubeadm resetRemove kubeadm state from a node.
bashANYkubeadmresetforce
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kubeadm reset -fReset a node non-interactively.
bashANYkubeadmupgrade
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kubeadm upgrade planCheck available and recommended upgrade targets.
bashANYkubeadmupgradecontrol-plane
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kubeadm upgrade apply v1.35.2Upgrade the control plane to a target version.
bashANYkubeadmupgradenode
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kubeadm upgrade nodeRun node-side upgrade steps after packages are updated.
bashANYkubeadmconfig
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kubeadm config print init-defaultsGenerate a baseline kubeadm init configuration.
bashANYkubeadmimages
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kubeadm config images listShow control-plane images for the chosen version.
bashANYkubeadmimagespull
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kubeadm config images pullPre-pull images before cluster bootstrap or upgrade.
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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 Networking, Storage, and Config Cheat Sheet
Services, ingress, EndpointSlices, network policies, PVCs, PVs, storage classes, ConfigMaps, Secrets, and nodes.
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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