SYSTEMD-V...@.SERVICE(8)

💖 SYSTEMD-VERITYSETUP@.SERVICE 💖

okay bestie, buckle up, we're reading the systemd-veritysetup@.service manual page together and honestly? it's giving secure boot realness. this is part of the systemd suite, and it's all about making sure your block devices are ✨tamper-evident✨. let's go 🫶

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🌸 NAME 🌸

systemd-veritysetup@.service, systemd-veritysetup — Disk verity protection logic 💅

like. it protects disks. with verity. iconic behavior tbh.

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🎀 SYNOPSIS 🎀

systemd-veritysetup@.service

/usr/lib/systemd/systemd-veritysetup

that's it. that's the whole vibe. short queen 🌈

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🦋 DESCRIPTION 🦋

okay so systemd-veritysetup@.service is a service whose entire main character job is setting up verity protection block devices. no cap. and listen — it's a template unit, so you instantiate it once for every single device that needs verity protection. one device, one unit, one little security guard 🧚

and here's the cute part: at early boot, and also whenever the system manager configuration gets reloaded, the kernel command line configuration for verity protected block devices gets translated into systemd-veritysetup@.service units by systemd-veritysetup-generator(8). so you don't even have to do it by hand, the generator does it for you, slay ✨

and then systemd-veritysetup@.service calls systemd-veritysetup. chain of command, periodt.

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👑 COMMANDS 👑

so these are the commands that systemd-veritysetup actually understands. there are three. three little baddies. here we go:

• attach volume datadevice hashdevice roothash [option...] — Create a block device volume using datadevice and hashdevice as the backing devices. roothash forms the root of the tree of hashes stored on hashdevice. See Kernel dm-verity documentation for details. 🔥

Added in version 250.

• detach volume — Detach (destroy) the block device volume. it's over, bestie, we're tearing it down 💀

Added in version 250.

• help — Print short information about command syntax. the "hey what do i type" button, we love her 🙈

Added in version 250.

lowkey all three of these showed up in version 250, so if you're on something older, that's a no from her 🍓

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🌈 SEE ALSO 🌈

• systemd(1)
• systemd-veritysetup-generator(8)
• veritysetup(8)

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⭐ NOTES ⭐

1. Kernel dm-verity — https://docs.kernel.org/admin-guide/device-mapper/verity.html

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and that's the whole page, bestie!! you now know everything systemd-veritysetup@.service knows and honestly that's a flex 💜

cute sign-off time: this was systemd 262.1, from the systemd-veritysetup@.service corner of the manual, and it lives under SYSTEMD-VERITYSETUP@.SERVICE(8). go forth and verify your blocks 🎀✨