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CKS_FINALE

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Mosiur Rahman
2026-09-14 16:44:59 +06:00
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<!doctype html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>CKS-011 · Binary Verification</title><link rel="stylesheet" href="../assets/course.css"></head><body><main class="page">
<header class="hero"><p class="eyebrow">CKS Security Quest · Binary verification</p><h1>Trust, then install</h1><p class="deck">Verify provenance before a binary reaches a privileged path.</p><div class="meta"><span class="pill">CKS-011</span><span class="pill">4 minutes</span></div></header>
<div class="layout"><section class="card"><h2>Task</h2><pre><code>/opt/release/kubectl
/opt/release/kubectl.sha256</code></pre><p>The checksum file contains a raw official SHA-256 value without a filename.</p><ol class="requirements"><li>Verify the binary.</li><li>Install only on success as root:root and 0755.</li><li>Show client version.</li><li>Show installed owner and mode.</li></ol></section><aside class="rail card"><p class="eyebrow">Mission</p><h2>Four minutes</h2><a class="button" href="../ANSWER.md">Open answer file</a><a class="button" href="../dashboard.html">Quest dashboard</a></aside></div></main></body></html>