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<!DOCTYPE html>
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<title>Encrypting USB with luks 🔒</title>
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<body>
<article>
<header>
<h1>Encrypting USB with luks 🔒</h1>
<p class="post-date">February 17, 2025</p>
</header>
<div class="post-content">
<hr>
<h2>What you will need 📋</h2>
<ul>
<li>A USB drive</li>
<li>A computer with Linux 🐧🖥</li>
<li>The ability to read instructions and to follow them 🧠</li>
</ul>
<hr>
<ol>
<li>Install cryptsetup</li>
</ol>
<blockquote>
<p>$ sudo pacman -S cryptsetup</p>
</blockquote>
<hr>
<ol start="2">
<li>Backup any information on the USB stick because this process involves formatting the USB drive.</li>
</ol>
<hr>
<ol start="3">
<li>Formatting USB.</li>
</ol>
<blockquote>
<p>$ sudo fdisk /dev/sdX</p>
</blockquote>
<p>The X being your USB drive.</p>
<p>Press the following keys:<br>
o<br>
n<br>
Press enter for the rest<br>
w</p>
<hr>
<ol start="4">
<li>Encryption time!</li>
</ol>
<blockquote>
<p>$ sudo cryptsetup luksFormat /dev/sdX1</p>
</blockquote>
<hr>
<ol start="5">
<li>Decrypt USB</li>
</ol>
<blockquote>
<p>$ sudo cryptsetup luksOpen /dev/sdX1 USB</p>
</blockquote>
<p>Note: The first password is your root user password, not the encryption password. I have sadly made this mistake in the past.</p>
<hr>
<ol start="6">
<li>Format the Encrypted Partition</li>
</ol>
<blockquote>
<p>$ sudo mkfs.ext4 /dev/mapper/USB</p>
</blockquote>
<p>Depending on the size of the USB, this may take some time. For me, it took 3 minutes.</p>
<hr>
<p>Step 7: Mount the Encrypted Partition</p>
<blockquote>
<p>$ sudo mkdir -p /mnt/USB <hr>
$ sudo mount /dev/mapper/USB /mnt/USB</p>
</blockquote>
<hr>
<h2>Finished ✅</h2>
<p>I hope your password is good, make sure to memorize it or save it in a password manager!</p>
</div>
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