https://www.pistack.xyz/tags/cryptsetup/ Recent content in Cryptsetup on Pi Stack Hugo en-us Wed, 03 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-03-self-hosted-encrypted-swap-luks-dm-crypt-zram-guide/ Wed, 03 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-03-self-hosted-encrypted-swap-luks-dm-crypt-zram-guide/ <h2 id="introduction">Introduction</h2> <p>Swap space is a fundamental component of Linux memory management, but its security implications are often overlooked. When a server runs low on RAM, the kernel writes memory pages to swap — including pages that may contain encryption keys, authentication tokens, database connection strings, and other sensitive data. If an attacker gains physical access to the storage device or compromises a cloud provider&rsquo;s disk snapshot feature, unencrypted swap becomes a goldmine of credentials and secrets.</p>