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<!DOCTYPE html>
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<title>kubectl Reference - Rūsternetes</title>
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<h1>kubectl Reference</h1>
<p class="lead">
Comprehensive reference for all kubectl commands supported by Rūsternetes. Grouped by
category with key flags and examples.
</p>
<!-- ───────────────────── Global Flags ───────────────────── -->
<h2 id="global-flags">Global Flags</h2>
<p>These flags work with any kubectl command:</p>
<table>
<thead>
<tr><th>Flag</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td><code>--kubeconfig</code></td><td>Path to kubeconfig file. Default <code>~/.kube/config</code>. For Rusternetes: <code>~/.kube/rusternetes-config</code>.</td></tr>
<tr><td><code>--context</code></td><td>Kubeconfig context to use.</td></tr>
<tr><td><code>--server</code> / <code>-s</code></td><td>API server URL (overrides kubeconfig).</td></tr>
<tr><td><code>--token</code></td><td>Bearer token for authentication.</td></tr>
<tr><td><code>--insecure-skip-tls-verify</code></td><td>Skip TLS certificate verification.</td></tr>
<tr><td><code>--namespace</code> / <code>-n</code></td><td>Namespace scope for the request.</td></tr>
<tr><td><code>--all-namespaces</code> / <code>-A</code></td><td>List across all namespaces.</td></tr>
<tr><td><code>-o</code> / <code>--output</code></td><td>Output format: <code>json</code>, <code>yaml</code>, <code>wide</code>, <code>name</code>, <code>custom-columns=...</code>, <code>jsonpath=...</code>.</td></tr>
<tr><td><code>--dry-run</code></td><td><code>none</code> (default), <code>client</code>, or <code>server</code>. Preview without persisting.</td></tr>
<tr><td><code>-v</code> / <code>--v</code></td><td>Verbosity level (0-9). <code>-v6</code> shows HTTP requests. <code>-v8</code> shows request/response bodies.</td></tr>
</tbody>
</table>
<!-- ═══════════════════════════════════════════════════════════ -->
<!-- RESOURCE MANAGEMENT -->
<!-- ═══════════════════════════════════════════════════════════ -->
<h2 id="resource-management">Resource Management</h2>
<!-- get -->
<h3 id="get">get</h3>
<p>List one or more resources.</p>
<pre>
<div class="code-header">
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<span class="code-title">terminal</span>
</div>
<code><span class="comment"># List pods in current namespace</span>
kubectl get pods
<span class="comment"># Wide output with node and IP info</span>
kubectl get pods <span class="flag">-o</span> <span class="value">wide</span>
<span class="comment"># Watch for changes in real time</span>
kubectl get pods <span class="flag">--watch</span>
<span class="comment"># Filter by label</span>
kubectl get pods <span class="flag">--selector=</span><span class="value">app=web</span>
kubectl get pods <span class="flag">-l</span> <span class="value">app=web,tier=frontend</span>
<span class="comment"># JSON output</span>
kubectl get pod <span class="value">my-pod</span> <span class="flag">-o</span> <span class="value">json</span>
<span class="comment"># YAML output</span>
kubectl get pod <span class="value">my-pod</span> <span class="flag">-o</span> <span class="value">yaml</span>
<span class="comment"># Custom columns</span>
kubectl get pods <span class="flag">-o</span> <span class="value">custom-columns=NAME:.metadata.name,STATUS:.status.phase,NODE:.spec.nodeName</span>
<span class="comment"># JSONPath</span>
kubectl get pod <span class="value">my-pod</span> <span class="flag">-o</span> <span class="value">jsonpath='{.status.podIP}'</span>
<span class="comment"># All namespaces</span>
kubectl get pods <span class="flag">-A</span>
<span class="comment"># Multiple resource types</span>
kubectl get pods,services,deployments
<span class="comment"># Show labels</span>
kubectl get pods <span class="flag">--show-labels</span>
<span class="comment"># Sort by a field</span>
kubectl get pods <span class="flag">--sort-by=</span><span class="value">.metadata.creationTimestamp</span></code>
</pre>
<!-- create -->
<h3 id="create">create</h3>
<p>Create resources from files or via subcommands.</p>
<pre>
<div class="code-header">
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<span class="code-title">terminal</span>
</div>
<code><span class="comment"># Create from file</span>
kubectl create <span class="flag">-f</span> <span class="value">resource.yaml</span>
<span class="comment"># Create with dry-run (preview)</span>
kubectl create <span class="flag">-f</span> <span class="value">resource.yaml</span> <span class="flag">--dry-run=</span><span class="value">server</span></code>
</pre>
<h4>create subcommands</h4>
<pre>
<div class="code-header">
<span class="code-dot red"></span>
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<span class="code-title">terminal</span>
</div>
<code><span class="comment"># Workloads</span>
kubectl create deployment <span class="value">web</span> <span class="flag">--image=</span><span class="value">nginx</span> <span class="flag">--replicas=</span><span class="value">3</span>
kubectl create job <span class="value">batch</span> <span class="flag">--image=</span><span class="value">busybox</span> <span class="flag">--</span> echo "done"
kubectl create cronjob <span class="value">cleanup</span> <span class="flag">--image=</span><span class="value">busybox</span> <span class="flag">--schedule=</span><span class="value">"0 * * * *"</span> <span class="flag">--</span> cleanup.sh
<span class="comment"># Services</span>
kubectl create service clusterip <span class="value">web</span> <span class="flag">--tcp=</span><span class="value">80:8080</span>
kubectl create service nodeport <span class="value">web</span> <span class="flag">--tcp=</span><span class="value">80:8080</span> <span class="flag">--node-port=</span><span class="value">30080</span>
kubectl create service loadbalancer <span class="value">web</span> <span class="flag">--tcp=</span><span class="value">80:8080</span>
kubectl create service externalname <span class="value">ext</span> <span class="flag">--external-name=</span><span class="value">db.example.com</span>
<span class="comment"># Config</span>
kubectl create configmap <span class="value">app-config</span> <span class="flag">--from-literal=</span><span class="value">key=value</span> <span class="flag">--from-file=</span><span class="value">config.yaml</span>
kubectl create secret generic <span class="value">db-creds</span> <span class="flag">--from-literal=</span><span class="value">password=secret</span>
kubectl create secret tls <span class="value">app-tls</span> <span class="flag">--cert=</span><span class="value">cert.pem</span> <span class="flag">--key=</span><span class="value">key.pem</span>
kubectl create secret docker-registry <span class="value">regcred</span> <span class="flag">--docker-server=</span><span class="value">reg.io</span> <span class="flag">--docker-username=</span><span class="value">user</span> <span class="flag">--docker-password=</span><span class="value">pass</span>
<span class="comment"># Namespaces</span>
kubectl create namespace <span class="value">staging</span>
<span class="comment"># RBAC</span>
kubectl create role <span class="value">pod-reader</span> <span class="flag">--verb=</span><span class="value">get,list,watch</span> <span class="flag">--resource=</span><span class="value">pods</span>
kubectl create clusterrole <span class="value">node-reader</span> <span class="flag">--verb=</span><span class="value">get,list</span> <span class="flag">--resource=</span><span class="value">nodes</span>
kubectl create rolebinding <span class="value">read-pods</span> <span class="flag">--role=</span><span class="value">pod-reader</span> <span class="flag">--user=</span><span class="value">jane</span>
kubectl create clusterrolebinding <span class="value">read-nodes</span> <span class="flag">--clusterrole=</span><span class="value">node-reader</span> <span class="flag">--group=</span><span class="value">devs</span>
<span class="comment"># Other</span>
kubectl create serviceaccount <span class="value">my-app</span>
kubectl create token <span class="value">my-app</span> <span class="flag">--duration=</span><span class="value">1h</span>
kubectl create ingress <span class="value">web</span> <span class="flag">--rule=</span><span class="value">"app.example.com/=web:80"</span> <span class="flag">--class=</span><span class="value">nginx</span>
kubectl create quota <span class="value">compute</span> <span class="flag">--hard=</span><span class="value">cpu=4,memory=8Gi,pods=20</span>
kubectl create pdb <span class="value">web-pdb</span> <span class="flag">--selector=</span><span class="value">app=web</span> <span class="flag">--max-unavailable=</span><span class="value">1</span>
kubectl create priorityclass <span class="value">high</span> <span class="flag">--value=</span><span class="value">1000000</span></code>
</pre>
<!-- apply -->
<h3 id="apply">apply</h3>
<p>Apply a configuration to a resource. Creates the resource if it does not exist.</p>
<pre>
<div class="code-header">
<span class="code-dot red"></span>
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<span class="code-title">terminal</span>
</div>
<code><span class="comment"># Apply from file</span>
kubectl apply <span class="flag">-f</span> <span class="value">deployment.yaml</span>
<span class="comment"># Apply from directory</span>
kubectl apply <span class="flag">-f</span> <span class="value">./manifests/</span>
<span class="comment"># Server-side apply (uses field ownership)</span>
kubectl apply <span class="flag">--server-side</span> <span class="flag">-f</span> <span class="value">deployment.yaml</span>
<span class="comment"># Server-side apply with custom field manager</span>
kubectl apply <span class="flag">--server-side</span> <span class="flag">--field-manager=</span><span class="value">my-controller</span> <span class="flag">-f</span> <span class="value">deployment.yaml</span>
<span class="comment"># Dry-run (server-side validation without persisting)</span>
kubectl apply <span class="flag">-f</span> <span class="value">deployment.yaml</span> <span class="flag">--dry-run=</span><span class="value">server</span>
<span class="comment"># Force conflicts in server-side apply</span>
kubectl apply <span class="flag">--server-side</span> <span class="flag">--force-conflicts</span> <span class="flag">-f</span> <span class="value">deployment.yaml</span></code>
</pre>
<!-- delete -->
<h3 id="delete">delete</h3>
<p>Delete resources.</p>
<pre>
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<code><span class="comment"># Delete by name</span>
kubectl delete pod <span class="value">my-pod</span>
<span class="comment"># Delete from file</span>
kubectl delete <span class="flag">-f</span> <span class="value">deployment.yaml</span>
<span class="comment"># Delete by label</span>
kubectl delete pods <span class="flag">-l</span> <span class="value">app=old</span>
<span class="comment"># Force delete (skip grace period)</span>
kubectl delete pod <span class="value">my-pod</span> <span class="flag">--force</span> <span class="flag">--grace-period=</span><span class="value">0</span>
<span class="comment"># Cascade options</span>
kubectl delete deployment <span class="value">web</span> <span class="flag">--cascade=</span><span class="value">foreground</span> <span class="comment"># Wait for children to delete</span>
kubectl delete deployment <span class="value">web</span> <span class="flag">--cascade=</span><span class="value">background</span> <span class="comment"># Delete parent first</span>
kubectl delete deployment <span class="value">web</span> <span class="flag">--cascade=</span><span class="value">orphan</span> <span class="comment"># Leave children running</span>
<span class="comment"># Delete all pods in a namespace</span>
kubectl delete pods <span class="flag">--all</span> <span class="flag">-n</span> <span class="value">staging</span></code>
</pre>
<!-- replace, patch, edit -->
<h3 id="replace">replace</h3>
<p>Replace a resource from a complete file (must include resourceVersion).</p>
<pre>
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<code>kubectl replace <span class="flag">-f</span> <span class="value">deployment.yaml</span>
kubectl replace <span class="flag">--force</span> <span class="flag">-f</span> <span class="value">deployment.yaml</span> <span class="comment"># Delete and recreate</span></code>
</pre>
<h3 id="patch">patch</h3>
<p>Update specific fields without replacing the whole resource.</p>
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<code><span class="comment"># Strategic merge patch (default)</span>
kubectl patch deployment <span class="value">web</span> <span class="flag">-p</span> <span class="value">'{"spec":{"replicas":5}}'</span>
<span class="comment"># JSON merge patch</span>
kubectl patch deployment <span class="value">web</span> <span class="flag">--type=</span><span class="value">merge</span> <span class="flag">-p</span> <span class="value">'{"spec":{"replicas":5}}'</span>
<span class="comment"># JSON patch (RFC 6902)</span>
kubectl patch deployment <span class="value">web</span> <span class="flag">--type=</span><span class="value">json</span> \
<span class="flag">-p</span> <span class="value">'[{"op":"replace","path":"/spec/replicas","value":5}]'</span>
<span class="comment"># Patch a subresource</span>
kubectl patch deployment <span class="value">web</span> <span class="flag">--subresource=</span><span class="value">status</span> <span class="flag">--type=</span><span class="value">merge</span> \
<span class="flag">-p</span> <span class="value">'{"status":{"availableReplicas":3}}'</span></code>
</pre>
<h3 id="edit">edit</h3>
<p>Open a resource in your default editor.</p>
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<code>kubectl edit deployment <span class="value">web</span>
kubectl edit svc <span class="value">web</span> <span class="flag">-o</span> <span class="value">json</span> <span class="comment"># Edit as JSON</span>
KUBE_EDITOR=nano kubectl edit deployment <span class="value">web</span></code>
</pre>
<!-- label, annotate -->
<h3 id="label">label</h3>
<p>Add, update, or remove labels.</p>
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<code><span class="comment"># Add/update labels</span>
kubectl label pods <span class="value">my-pod</span> <span class="value">env=production</span>
kubectl label pods <span class="value">my-pod</span> <span class="value">env=staging</span> <span class="flag">--overwrite</span>
<span class="comment"># Remove a label</span>
kubectl label pods <span class="value">my-pod</span> <span class="value">env-</span>
<span class="comment"># Label all pods matching a selector</span>
kubectl label pods <span class="flag">-l</span> <span class="value">app=web</span> <span class="value">version=v2</span></code>
</pre>
<h3 id="annotate">annotate</h3>
<p>Add, update, or remove annotations.</p>
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<code>kubectl annotate pods <span class="value">my-pod</span> <span class="value">description="Main web server"</span>
kubectl annotate pods <span class="value">my-pod</span> <span class="value">description-</span> <span class="comment"># Remove</span></code>
</pre>
<!-- ═══════════════════════════════════════════════════════════ -->
<!-- POD OPERATIONS -->
<!-- ═══════════════════════════════════════════════════════════ -->
<h2 id="pod-operations">Pod Operations</h2>
<h3 id="run">run</h3>
<p>Create and run a pod (optionally interactive).</p>
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<code><span class="comment"># Run a simple pod</span>
kubectl run <span class="value">nginx</span> <span class="flag">--image=</span><span class="value">nginx:1.27</span>
<span class="comment"># Run with environment variables</span>
kubectl run <span class="value">myapp</span> <span class="flag">--image=</span><span class="value">myapp:v1</span> <span class="flag">--env=</span><span class="value">DB_HOST=db-svc</span> <span class="flag">--env=</span><span class="value">DB_PORT=5432</span>
<span class="comment"># Run with labels</span>
kubectl run <span class="value">myapp</span> <span class="flag">--image=</span><span class="value">myapp:v1</span> <span class="flag">--labels=</span><span class="value">app=web,tier=frontend</span>
<span class="comment"># Interactive pod with shell</span>
kubectl run <span class="value">debug</span> <span class="flag">--image=</span><span class="value">busybox</span> <span class="flag">-it</span> <span class="flag">--rm</span> <span class="flag">--</span> sh
<span class="comment"># Run with specific command</span>
kubectl run <span class="value">pi</span> <span class="flag">--image=</span><span class="value">perl</span> <span class="flag">--restart=</span><span class="value">Never</span> <span class="flag">--</span> perl -Mbignum=bpi -wle "print bpi(2000)"</code>
</pre>
<h3 id="logs">logs</h3>
<p>View container logs.</p>
<pre>
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<code>kubectl logs <span class="value">my-pod</span>
kubectl logs <span class="value">my-pod</span> <span class="flag">--follow</span> <span class="comment"># Stream logs</span>
kubectl logs <span class="value">my-pod</span> <span class="flag">--tail=</span><span class="value">50</span> <span class="comment"># Last 50 lines</span>
kubectl logs <span class="value">my-pod</span> <span class="flag">--since=</span><span class="value">30m</span> <span class="comment"># Last 30 minutes</span>
kubectl logs <span class="value">my-pod</span> <span class="flag">--timestamps</span> <span class="comment"># Include timestamps</span>
kubectl logs <span class="value">my-pod</span> <span class="flag">--container=</span><span class="value">sidecar</span> <span class="comment"># Specific container</span>
kubectl logs <span class="value">my-pod</span> <span class="flag">--previous</span> <span class="comment"># Previous container instance</span>
kubectl logs <span class="value">my-pod</span> <span class="flag">--all-containers</span> <span class="comment"># All containers</span>
kubectl logs <span class="flag">-l</span> <span class="value">app=web</span> <span class="comment"># All pods matching label</span>
kubectl logs job/<span class="value">batch</span> <span class="comment"># Logs from a job's pod</span></code>
</pre>
<h3 id="exec">exec</h3>
<p>Execute a command in a container.</p>
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<code>kubectl exec <span class="value">my-pod</span> <span class="flag">--</span> ls /app
kubectl exec <span class="flag">-it</span> <span class="value">my-pod</span> <span class="flag">--</span> /bin/sh
kubectl exec <span class="flag">-it</span> <span class="value">my-pod</span> <span class="flag">--container=</span><span class="value">app</span> <span class="flag">--</span> /bin/bash</code>
</pre>
<h3 id="attach">attach</h3>
<p>Attach to a running container's process.</p>
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<code>kubectl attach <span class="value">my-pod</span>
kubectl attach <span class="flag">-it</span> <span class="value">my-pod</span></code>
</pre>
<h3 id="cp">cp</h3>
<p>Copy files between host and containers.</p>
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<code><span class="comment"># Copy to pod</span>
kubectl cp <span class="value">local-file.txt</span> <span class="value">my-pod:/tmp/remote-file.txt</span>
<span class="comment"># Copy from pod</span>
kubectl cp <span class="value">my-pod:/var/log/app.log</span> <span class="value">./app.log</span>
<span class="comment"># Copy from a specific container</span>
kubectl cp <span class="value">my-pod:/data</span> <span class="value">./backup/</span> <span class="flag">--container=</span><span class="value">app</span></code>
</pre>
<h3 id="port-forward">port-forward</h3>
<p>Forward local ports to a pod or service.</p>
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<code>kubectl port-forward <span class="value">my-pod</span> <span class="value">8080:80</span>
kubectl port-forward svc/<span class="value">web</span> <span class="value">8080:80</span>
kubectl port-forward <span class="value">my-pod</span> <span class="value">8080:80</span> <span class="value">9090:9090</span>
kubectl port-forward <span class="flag">--address=</span><span class="value">0.0.0.0</span> <span class="value">my-pod</span> <span class="value">8080:80</span></code>
</pre>
<h3 id="debug">debug</h3>
<p>Create debug containers for troubleshooting.</p>
<pre>
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<code>kubectl debug <span class="value">my-pod</span> <span class="flag">-it</span> <span class="flag">--image=</span><span class="value">busybox</span>
kubectl debug <span class="value">my-pod</span> <span class="flag">-it</span> <span class="flag">--image=</span><span class="value">busybox</span> <span class="flag">--target=</span><span class="value">app</span>
kubectl debug <span class="value">my-pod</span> <span class="flag">-it</span> <span class="flag">--copy-to=</span><span class="value">debug-pod</span> <span class="flag">--image=</span><span class="value">ubuntu</span>
kubectl debug node/<span class="value">node-1</span> <span class="flag">-it</span> <span class="flag">--image=</span><span class="value">ubuntu</span></code>
</pre>
<!-- ═══════════════════════════════════════════════════════════ -->
<!-- CLUSTER OPERATIONS -->
<!-- ═══════════════════════════════════════════════════════════ -->
<h2 id="cluster-operations">Cluster Operations</h2>
<h3 id="top">top</h3>
<p>Show resource usage (CPU/memory) for nodes and pods.</p>
<pre>
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<code>kubectl top nodes
kubectl top pods
kubectl top pods <span class="flag">--containers</span> <span class="comment"># Show per-container usage</span>
kubectl top pods <span class="flag">-A</span> <span class="flag">--sort-by=</span><span class="value">cpu</span> <span class="comment"># All namespaces, sorted by CPU</span></code>
</pre>
<h3 id="drain">drain</h3>
<p>Prepare a node for maintenance by evicting pods.</p>
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<code>kubectl drain <span class="value">node-1</span> <span class="flag">--ignore-daemonsets</span> <span class="flag">--delete-emptydir-data</span>
kubectl drain <span class="value">node-1</span> <span class="flag">--force</span> <span class="comment"># Include unmanaged pods</span></code>
</pre>
<h3 id="cordon">cordon / uncordon</h3>
<p>Mark a node as unschedulable or re-enable scheduling.</p>
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<code>kubectl cordon <span class="value">node-1</span> <span class="comment"># Mark unschedulable</span>
kubectl uncordon <span class="value">node-1</span> <span class="comment"># Mark schedulable</span></code>
</pre>
<h3 id="taint">taint</h3>
<p>Add or remove taints on nodes.</p>
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<code><span class="comment"># Add a taint</span>
kubectl taint nodes <span class="value">node-1</span> <span class="value">dedicated=gpu:NoSchedule</span>
<span class="comment"># Remove a taint</span>
kubectl taint nodes <span class="value">node-1</span> <span class="value">dedicated=gpu:NoSchedule-</span>
<span class="comment"># Overwrite</span>
kubectl taint nodes <span class="value">node-1</span> <span class="value">key=value:NoExecute</span> <span class="flag">--overwrite</span></code>
</pre>
<h3 id="events">events</h3>
<p>View cluster events.</p>
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<code>kubectl events
kubectl events <span class="flag">--watch</span>
kubectl events <span class="flag">--types=</span><span class="value">Warning</span>
kubectl events <span class="flag">-A</span> <span class="comment"># All namespaces</span></code>
</pre>
<!-- ═══════════════════════════════════════════════════════════ -->
<!-- DEPLOYMENT MANAGEMENT -->
<!-- ═══════════════════════════════════════════════════════════ -->
<h2 id="deployment-management">Deployment Management</h2>
<h3 id="rollout">rollout</h3>
<p>Manage rollouts for Deployments, DaemonSets, and StatefulSets.</p>
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<code><span class="comment"># Check rollout status</span>
kubectl rollout status deployment/<span class="value">web</span>
<span class="comment"># View rollout history</span>
kubectl rollout history deployment/<span class="value">web</span>
kubectl rollout history deployment/<span class="value">web</span> <span class="flag">--revision=</span><span class="value">3</span>
<span class="comment"># Undo (rollback)</span>
kubectl rollout undo deployment/<span class="value">web</span>
kubectl rollout undo deployment/<span class="value">web</span> <span class="flag">--to-revision=</span><span class="value">2</span>
<span class="comment"># Restart (triggers new rollout)</span>
kubectl rollout restart deployment/<span class="value">web</span>
<span class="comment"># Pause / resume</span>
kubectl rollout pause deployment/<span class="value">web</span>
kubectl rollout resume deployment/<span class="value">web</span></code>
</pre>
<h3 id="scale">scale</h3>
<p>Change the replica count.</p>
<pre>
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<code>kubectl scale deployment/<span class="value">web</span> <span class="flag">--replicas=</span><span class="value">5</span>
kubectl scale statefulset/<span class="value">db</span> <span class="flag">--replicas=</span><span class="value">3</span>
kubectl scale rs/<span class="value">web-abc123</span> <span class="flag">--replicas=</span><span class="value">0</span></code>
</pre>
<h3 id="expose">expose</h3>
<p>Create a Service for a resource.</p>
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<code>kubectl expose deployment <span class="value">web</span> <span class="flag">--port=</span><span class="value">80</span> <span class="flag">--target-port=</span><span class="value">8080</span>
kubectl expose deployment <span class="value">web</span> <span class="flag">--port=</span><span class="value">80</span> <span class="flag">--type=</span><span class="value">NodePort</span>
kubectl expose deployment <span class="value">web</span> <span class="flag">--port=</span><span class="value">80</span> <span class="flag">--type=</span><span class="value">LoadBalancer</span></code>
</pre>
<h3 id="autoscale">autoscale</h3>
<p>Create an HPA for a resource.</p>
<pre>
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<code>kubectl autoscale deployment <span class="value">web</span> <span class="flag">--min=</span><span class="value">2</span> <span class="flag">--max=</span><span class="value">20</span> <span class="flag">--cpu-percent=</span><span class="value">70</span></code>
</pre>
<!-- ═══════════════════════════════════════════════════════════ -->
<!-- AUTH -->
<!-- ═══════════════════════════════════════════════════════════ -->
<h2 id="auth">Auth</h2>
<h3 id="auth-can-i">auth can-i</h3>
<p>Check whether an action is allowed.</p>
<pre>
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<code><span class="comment"># Can I do this?</span>
kubectl auth can-i <span class="value">get</span> <span class="value">pods</span>
kubectl auth can-i <span class="value">create</span> <span class="value">deployments</span> <span class="flag">--namespace=</span><span class="value">production</span>
kubectl auth can-i <span class="value">"*"</span> <span class="value">"*"</span> <span class="comment"># Full admin check</span>
kubectl auth can-i <span class="value">list</span> <span class="value">pods</span> <span class="flag">--all-namespaces</span>
<span class="comment"># Check as another user</span>
kubectl auth can-i <span class="value">get</span> <span class="value">secrets</span> <span class="flag">--as=</span><span class="value">jane</span>
kubectl auth can-i <span class="value">get</span> <span class="value">secrets</span> <span class="flag">--as=</span><span class="value">system:serviceaccount:default:my-app</span></code>
</pre>
<h3 id="auth-whoami">auth whoami</h3>
<p>Show the current authenticated identity.</p>
<pre>
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<code>kubectl auth whoami</code>
</pre>
<h3 id="auth-reconcile">auth reconcile</h3>
<p>Reconcile RBAC resources from a file.</p>
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<code>kubectl auth reconcile <span class="flag">-f</span> <span class="value">rbac.yaml</span></code>
</pre>
<!-- ═══════════════════════════════════════════════════════════ -->
<!-- INFO -->
<!-- ═══════════════════════════════════════════════════════════ -->
<h2 id="info">Info & Discovery</h2>
<h3 id="explain">explain</h3>
<p>Show documentation for a resource or field.</p>
<pre>
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<code>kubectl explain pods
kubectl explain pods.spec.containers
kubectl explain deployment.spec.strategy
kubectl explain pods <span class="flag">--recursive</span> <span class="comment"># Show all fields</span></code>
</pre>
<h3 id="api-resources">api-resources</h3>
<p>List all available resource types.</p>
<pre>
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<code>kubectl api-resources
kubectl api-resources <span class="flag">--namespaced</span> <span class="comment"># Namespaced only</span>
kubectl api-resources <span class="flag">--namespaced=</span><span class="value">false</span> <span class="comment"># Cluster-scoped only</span>
kubectl api-resources <span class="flag">--verbs=</span><span class="value">list,get</span> <span class="comment"># With specific verbs</span>
kubectl api-resources <span class="flag">--api-group=</span><span class="value">apps</span> <span class="comment"># From specific API group</span></code>
</pre>
<h3 id="api-versions">api-versions</h3>
<p>List all available API versions.</p>
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<code>kubectl api-versions</code>
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<h3 id="cluster-info">cluster-info</h3>
<p>Show cluster endpoint information.</p>
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<code>kubectl cluster-info
kubectl cluster-info dump <span class="comment"># Full cluster state for debugging</span></code>
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<h3 id="version">version</h3>
<p>Show client and server versions.</p>
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<code>kubectl version
kubectl version <span class="flag">--client</span> <span class="comment"># Client only (no server connection needed)</span></code>
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<h3 id="describe">describe</h3>
<p>Show detailed resource information including events.</p>
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<code>kubectl describe pod <span class="value">my-pod</span>
kubectl describe node <span class="value">node-1</span>
kubectl describe svc <span class="value">web</span>
kubectl describe deployment <span class="value">web</span></code>
</pre>
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<h2 id="config">Config</h2>
<p>Manage kubeconfig files, contexts, and clusters.</p>
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<code><span class="comment"># View config</span>
kubectl config view
kubectl config view <span class="flag">--minify</span> <span class="comment"># Only current context</span>
kubectl config view <span class="flag">--flatten</span> <span class="comment"># Inline certificate data</span>
<span class="comment"># Contexts</span>
kubectl config current-context
kubectl config get-contexts
kubectl config use-context <span class="value">rusternetes</span>
<span class="comment"># Set values</span>
kubectl config set <span class="value">current-context</span> <span class="value">rusternetes</span>
kubectl config set-cluster <span class="value">rusternetes</span> <span class="flag">--server=</span><span class="value">https://localhost:6443</span>
kubectl config set-credentials <span class="value">admin</span> <span class="flag">--token=</span><span class="value">mytoken</span>
<span class="comment"># Unset values</span>
kubectl config unset <span class="value">users.admin</span></code>
</pre>
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<h2 id="other">Other Commands</h2>
<h3 id="diff">diff</h3>
<p>Show differences between the live state and a local file.</p>
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<code>kubectl diff <span class="flag">-f</span> <span class="value">deployment.yaml</span></code>
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<h3 id="wait">wait</h3>
<p>Wait for a specific condition on a resource.</p>
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<code><span class="comment"># Wait for pod to be ready</span>
kubectl wait <span class="flag">--for=</span><span class="value">condition=Ready</span> pod/<span class="value">my-pod</span> <span class="flag">--timeout=</span><span class="value">120s</span>
<span class="comment"># Wait for deployment to be available</span>
kubectl wait <span class="flag">--for=</span><span class="value">condition=Available</span> deployment/<span class="value">web</span>
<span class="comment"># Wait for deletion</span>
kubectl wait <span class="flag">--for=</span><span class="value">delete</span> pod/<span class="value">my-pod</span>
<span class="comment"># Wait for a specific JSON path value</span>
kubectl wait <span class="flag">--for=</span><span class="value">jsonpath='{.status.phase}'=Running</span> pod/<span class="value">my-pod</span></code>
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<h3 id="certificate">certificate</h3>
<p>Manage certificate signing requests.</p>
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<code>kubectl certificate approve <span class="value">my-csr</span>
kubectl certificate deny <span class="value">my-csr</span></code>
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<h3 id="completion">completion</h3>
<p>Generate shell completion scripts.</p>
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<code><span class="comment"># Bash</span>
source <(kubectl completion bash)
<span class="comment"># Zsh</span>
source <(kubectl completion zsh)
<span class="comment"># Fish</span>
kubectl completion fish | source</code>
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<h3 id="kustomize">kustomize</h3>
<p>Process kustomization files.</p>
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<code>kubectl kustomize <span class="value">./overlays/production/</span>
kubectl apply <span class="flag">-k</span> <span class="value">./overlays/production/</span></code>
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<h3 id="proxy">proxy</h3>
<p>Run a local proxy to the API server.</p>
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<code>kubectl proxy
kubectl proxy <span class="flag">--port=</span><span class="value">8001</span>
<span class="comment"># Then access: http://localhost:8001/api/v1/namespaces/default/pods</span></code>
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<h3 id="plugin">plugin list</h3>
<p>List installed kubectl plugins.</p>
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<code>kubectl plugin list</code>
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<h3 id="set">set</h3>
<p>Update specific fields on resources.</p>
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<code><span class="comment"># Update container image</span>
kubectl set image deployment/<span class="value">web</span> nginx=<span class="value">nginx:1.28</span>
<span class="comment"># Set environment variables</span>
kubectl set env deployment/<span class="value">web</span> <span class="value">DB_HOST=db-svc</span>
<span class="comment"># Set resource requests/limits</span>
kubectl set resources deployment/<span class="value">web</span> <span class="flag">-c=</span><span class="value">nginx</span> <span class="flag">--requests=</span><span class="value">cpu=100m,memory=128Mi</span>
<span class="comment"># Set a service account</span>
kubectl set serviceaccount deployment/<span class="value">web</span> <span class="value">my-sa</span></code>
</pre>
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<h2 id="output-formats">Output Formats</h2>
<table>
<thead>
<tr><th>Format</th><th>Flag</th><th>Description</th></tr>
</thead>
<tbody>
<tr><td>Table</td><td>(default)</td><td>Human-readable table with key columns.</td></tr>
<tr><td>Wide</td><td><code>-o wide</code></td><td>Table with additional columns (IP, node, etc.).</td></tr>
<tr><td>JSON</td><td><code>-o json</code></td><td>Full JSON representation.</td></tr>
<tr><td>YAML</td><td><code>-o yaml</code></td><td>Full YAML representation.</td></tr>
<tr><td>Name</td><td><code>-o name</code></td><td>Just <code>resource/name</code> (e.g., <code>pod/my-pod</code>).</td></tr>
<tr><td>Custom Columns</td><td><code>-o custom-columns=...</code></td><td>Custom table with JSONPath columns.</td></tr>
<tr><td>JSONPath</td><td><code>-o jsonpath='{...}'</code></td><td>Extract specific fields with JSONPath expressions.</td></tr>
<tr><td>Go Template</td><td><code>-o go-template='...'</code></td><td>Format output with Go templates.</td></tr>
</tbody>
</table>
<h3>JSONPath Examples</h3>
<pre>
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