Draft:RAUC

RAUC
Original author(s)	Jan Lübbe, Enrico Jörns, the RAUC community
Stable release	v1.12 / 9 August 2024; 3 months ago.
Written in	C
Operating system	Linux
Available in	English
License	GNU Lesser General Public License
Website	rauc.io

Submission declined on 22 October 2019 by CaptainEek (talk).

This submission appears to read more like an advertisement than an entry in an encyclopedia. Encyclopedia articles need to be written from a neutral point of view, and should refer to a range of independent, reliable, published sources, not just to materials produced by the creator of the subject being discussed. This is important so that the article can meet Wikipedia's verifiability policy and the notability of the subject can be established. If you still feel that this subject is worthy of inclusion in Wikipedia, please rewrite your submission to comply with these policies.

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Declined by CaptainEek 5 years ago. Last edited by Ejoerns 38 days ago. Reviewer: Inform author.

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Submission declined on 10 February 2019 by Mgbo120 (talk).

This draft's references do not show that the subject qualifies for a Wikipedia article. In summary, the draft needs multiple published sources that are:

in-depth (not just passing mentions about the subject)
reliable
secondary
independent of the subject

Make sure you add references that meet these criteria before resubmitting. Learn about mistakes to avoid when addressing this issue. If no additional references exist, the subject is not suitable for Wikipedia.

Declined by Mgbo120 5 years ago.

Comment: Also needs additional context. I still have no clue what this is after reading the article. Make sure that non-experts and folks not familiar with computers can still understand it. Captain Eek ^{Edits Ho Cap'n!}⚓ 21:12, 22 October 2019 (UTC)

Comment: Requires more references. Fails WP:GNG Mgbo120 (talk) 19:31, 10 February 2019 (UTC)

RAUC (Robust Auto-Update Controller) is an open source OTA update framework for embedded or IoT devices running a Linux operating sytsem.^[2]^[3]

The main purpose of RAUC is to provide cryptographically verified, fail-safe firmware updates for Linux systems with a redundant (A/B) system partition set.

RAUC serves both as a host and a target tool. The host tool allows the creation of signed (and optionally encrypted) update artifacts (called 'bundles') typically consisting of the file system image(s) to install and additional metadata. The target tool runs as a service on the embedded device and handles the bundle verification and installation.

Design and principles

Cryptographic verification of OTA updates is seen as mandatory and can thus not be deactivated. RAUC uses standard X.509 cryptography for this.

While RAUC performs mainly full image-based updates, it also comes with support for unpacking tar archives.

The partition layout for RAUC is described in a target system configuration file. The RAUC update service running on the target uses this information to automatically determines the inactive system partitions that can serve as installation targets.

Features

D-Bus API

A D-Bus API allows integrating RAUC into custom applications that can trigger installation, show progress or introspect system status.

Bootloader Interaction

To switch from the running system copy to the updated copy, RAUC needs to interact with the system's bootloader.

The currently supported bootloaders are Barebox, GRUB, UEFI, U-Boot, or custom implementations.

HTTP(S) Bundle Streaming

Since v1.7 RAUC has built-in support for streaming update bundles from a web server via HTTP range requests. This allows updating a device without the need for intermediate on-target storage.

Adaptive (Delta-like) Updates

In OTA update scenarios, bandwidth is often limited. Adaptive updates are a generic mechanism for delta-like download optimizations.

Encrpytion

Build System Integration

RAUC support is available or integrated into common embedded Linux build systems like Yocto Project/ObenEmbedded^[4], Buildroot^[5], or PTXdist. As a host tool, it is also part of common Linux distributions such as Debian^[6], Ubuntu, Arch Linux or NixOS.

Reception And Usage

The SteamOS on the Valve Steam Deck is updated using RAUC^[7]^[8]
Deutsche Bahn Intercity Express (ICE) train info terminals are updated using RAUC^[9]

References

^ "RAUC v1.12". GitHub. 2024-08-09. Retrieved 2024-10-02.
^ "RAUC Manual". Retrieved 8 February 2019.
^ Chris Simmonds. Mastering Embedded Linux Programming. Packt Publishing Ltd. p. 220.
^ "OpenEmbedded Layer Index - meta-rauc". layers.openembedded.org.
^ "[git commit] rauc: new package". buildroot (Mailing list).
^ https://packages.debian.org/bullseye/rauc
^ "Portable Linux gaming with the Steam Deck".
^ "Collabora Details How SteamOS 3.0 Works on the Steam Deck".
^ "Linux4ICE" (PDF).

External links

[1] "RAUC v1.12". GitHub. 2024-08-09. Retrieved 2024-10-02.

[2] "RAUC Manual". Retrieved 8 February 2019.

[3] Chris Simmonds. Mastering Embedded Linux Programming. Packt Publishing Ltd. p. 220.

[4] "OpenEmbedded Layer Index - meta-rauc". layers.openembedded.org.

[5] "[git commit] rauc: new package". buildroot (Mailing list).

[6] ttps://packages.debian.org/bullseye/rauc

[7] "Portable Linux gaming with the Steam Deck".

[8] "Collabora Details How SteamOS 3.0 Works on the Steam Deck".

[9] "Linux4ICE" (PDF).

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