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| author | subh <subh@subh.space> | 2026-04-14 04:09:09 +0530 |
|---|---|---|
| committer | subh <subh@subh.space> | 2026-04-14 04:09:09 +0530 |
| commit | 660786784719f83bbba835fb494c3d17ab898c36 (patch) | |
| tree | cda1331c2cfe1f84fc7e55ed46b57972359d5f4f /stuff/luks-encryption.html | |
| parent | 3d41c3cd8bf5a0cc68a6be8b28ea46bca91ce7bb (diff) | |
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| -rw-r--r-- | stuff/luks-encryption.html | 140 |
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diff --git a/stuff/luks-encryption.html b/stuff/luks-encryption.html new file mode 100644 index 0000000..1b83385 --- /dev/null +++ b/stuff/luks-encryption.html @@ -0,0 +1,140 @@ +<!DOCTYPE html> +<html lang="en"> +<head> + <meta charset="UTF-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + <title>Encrypted Drive Guide</title> + <style> + :root { + --bg0: #282828; + --bg1: #3c3836; + --fg: #ebdbb2; + --gray: #928374; + --yellow: #fabd2f; + --green: #b8bb26; + --orange: #fe8019; + --aqua: #8ec07c; + } + + body { + font-family: 'Iosevka Nerd Font Propo'; + line-height: 1.7; + color: var(--fg); + background-color: var(--bg0); + max-width: 780px; + margin: 40px auto; + padding: 0 20px; + -webkit-font-smoothing: antialiased; + } + + h1 { + font-size: 2.2em; + color: var(--yellow); + border-bottom: 2px solid var(--bg1); + padding-bottom: 15px; + margin-bottom: 30px; + } + + h2 { + font-size: 1.5em; + color: var(--aqua); + margin-top: 35px; + margin-bottom: 15px; + font-weight: 600; + } + + p { margin-bottom: 1.2em; } + + code { + font-family: 'Fira Code', 'JetBrains Mono', 'Courier New', monospace; + background-color: var(--bg1); + color: var(--orange); + padding: 3px 6px; + border-radius: 4px; + font-size: 0.9em; + } + + pre { + background-color: #1d2021; + padding: 20px; + border-radius: 8px; + overflow-x: auto; + border: 1px solid var(--bg1); + margin-bottom: 1.5em; + } + + pre code { + background-color: transparent; + padding: 0; + color: var(--fg); + color-scheme: dark; + } + + ol, ul { margin-bottom: 1.5em; padding-left: 25px; } + li { margin-bottom: 0.8em; } + li pre { margin-top: 10px; margin-bottom: 10px; } + + </style> +</head> +<body> + +<h1>Encrypting a Drive with LUKS and cryptsetup</h1> + +<h2>1. Get the drive name</h2> +<pre><code class="language-shell">lsblk +</code></pre> + +<h2>2. Install cryptsetup</h2> +<pre><code class="language-shell">sudo pacman -S cryptsetup +</code></pre> + +<h2>3. Format the drive</h2> +<ul> + <li>To format the drive, you can use <code>cfdisk</code> or any other utility of your choice.</li> +</ul> +<pre><code class="language-shell">cfdisk /dev/sdaX +</code></pre> +<ul> + <li>Now, delete all the signatures and partitions on the drive</li> + <li>Then, create a filesystem on the drive as follows:</li> +</ul> +<pre><code class="language-shell">mkfs.ext4 /dev/sdaX +</code></pre> +<ul> + <li>After the FS has been created, create a partition on the drive with <code>cfdisk</code></li> + <li>After the partition has been created, you can finally start encrypting the drive</li> +</ul> + +<h2>4. Encrypt the created partition</h2> +<ul> + <li>List the partition</li> +</ul> +<pre><code class="language-shell">lsblk /dev/sdaX +</code></pre> +<ul> + <li>Encrypt the partition</li> +</ul> +<pre><code class="language-shell">cryptsetup luksFormat /dev/sda[0-9] +</code></pre> +<ul> + <li>It will ask for a passphrase, make sure to provide a strong passphrase</li> +</ul> + +<h2>5. Decrypt and create filesystem</h2> +<ul> + <li>Decrypt the drive</li> +</ul> +<pre><code class="language-shell">cryptsetup open /dev/sda[0-9] <name> +</code></pre> +<ul> + <li>Make the FS</li> +</ul> +<pre><code class="language-shell">mkfs.ext4 /dev/mapper/<name> +</code></pre> + +<h2>6. Re-encrypt after usage</h2> +<pre><code class="language-shell">cryptsetup close <name> +</code></pre> + +</body> +</html> |