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cks-final/lessons/0003-cis-apiserver-authorization.html
Mosiur Rahman c0da43e51f CKS_FINALE
2026-09-14 16:44:59 +06:00

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<title>CKS-003 · CIS API Server Repair</title>
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<p class="eyebrow">CKS mastery journey · 1.2 CIS benchmark</p>
<h1>Repair one API-server failure</h1>
<p class="deck">Make a minimal static-Pod correction, recover the control plane, and prove the targeted CIS check passes.</p>
<div class="meta"><span class="pill">CKS-003</span><span class="pill">6 minutes</span><span class="pill">Focused task</span></div>
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<h2>Task</h2>
<pre><code>[FAIL] 1.2.7 Ensure that the --authorization-mode argument is not set to AlwaysAllow</code></pre>
<p>On <code>controlplane</code>, edit <code>/etc/kubernetes/manifests/kube-apiserver.yaml</code>.</p>
<p>The current line is:</p>
<pre><code>- --authorization-mode=AlwaysAllow,RBAC</code></pre>
<p>Back up the manifest. Change only what is necessary so the modes are exactly <code>Node,RBAC</code>. Verify API-server recovery and rerun check <code>1.2.7</code>.</p>
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<p class="eyebrow">Answer</p><h2>Keep it short</h2>
<p>Submit only the commands and corrected manifest line.</p>
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<footer>CKS Mastery Journey · Question 003</footer>
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