talos-rpi5/README.md
Mathias Beaulieu-Duncan 2f307aecec Open all external links in new tab (target=_blank)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-13 16:57:29 -05:00

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# Talos CM5 Builder
Custom Talos Linux images for Raspberry Pi 5 / CM5 on Compute Blade hardware.
<a href="https://hub.docker.com/r/svrnty/talos-rpi5" target="_blank"><img src="https://img.shields.io/docker/v/svrnty/talos-rpi5?sort=semver&label=talos-rpi5&logo=docker&arch=arm64" alt="Docker Hub"></a>
<a href="https://hub.docker.com/r/svrnty/talos-rpi5" target="_blank"><img src="https://img.shields.io/docker/pulls/svrnty/talos-rpi5?logo=docker" alt="Docker Pulls"></a>
<a href="https://hub.docker.com/r/svrnty/talos-rpi5" target="_blank"><img src="https://img.shields.io/docker/image-size/svrnty/talos-rpi5?sort=semver&logo=docker&arch=arm64" alt="Docker Image Size"></a>
The official Talos Image Factory does not support CM5 — the mainline kernel lacks CM5 device trees and RP1 driver support. This builder uses the RPi downstream kernel (via [talos-rpi5/talos-builder](https://github.com/talos-rpi5/talos-builder) patches) to produce working CM5 images with our extensions and overclock config.
## Current versions
| Component | Version |
|-----------|---------|
| Talos Linux | <a href="https://hub.docker.com/r/svrnty/talos-rpi5" target="_blank"><img src="https://img.shields.io/docker/v/svrnty/talos-rpi5?sort=semver&label=talos-rpi5&logo=docker&arch=arm64" alt="Talos version"></a> |
| RPi Kernel | <a href="https://hub.docker.com/r/svrnty/talos-rpi5" target="_blank"><img src="https://img.shields.io/badge/kernel-6.12.47-blue?logo=linux" alt="Kernel version"></a> |
| iscsi-tools | <a href="https://github.com/siderolabs/extensions/pkgs/container/iscsi-tools" target="_blank"><img src="https://img.shields.io/badge/iscsi--tools-v0.1.6-blue?logo=docker" alt="iscsi-tools version"></a> |
| util-linux-tools | <a href="https://github.com/siderolabs/extensions/pkgs/container/util-linux-tools" target="_blank"><img src="https://img.shields.io/badge/util--linux--tools-2.40.4-blue?logo=docker" alt="util-linux-tools version"></a> |
## Image tags
Release images are published to <a href="https://hub.docker.com/r/svrnty/talos-rpi5" target="_blank"><code>docker.io/svrnty/talos-rpi5</code></a> with the format:
```
v<talos>-k<kernel>-<revision>
```
For example: `v1.12.3-k6.12.47-2`
| Segment | Meaning |
|---------|---------|
| `v1.12.3` | Upstream Talos Linux version |
| `k6.12.47` | RPi downstream kernel version |
| `2` | Build revision (bumped for config/patch changes on the same upstream versions) |
## Usage
### Install from raw disk image
Download `metal-arm64.raw.zst` from the [latest release](../../releases/latest) and flash to eMMC:
```bash
zstd -d metal-arm64.raw.zst -o metal-arm64.raw
# Flash to eMMC/SD via your preferred tool (dd, balenaEtcher, etc.)
```
### Upgrade an existing node
```bash
talosctl upgrade --image docker.io/svrnty/talos-rpi5:v1.12.3-k6.12.47-2
```
### What's included
- RPi downstream kernel with CM5/RP1 support
- Overclock: 2.6GHz (`arm_freq=2600`, `over_voltage_delta=50000`, `arm_boost=1`)
- Extensions: `iscsi-tools`, `util-linux-tools`
## Building
For local builds, CI/CD setup, runner configuration, and project structure, see [TECHNICAL.md](TECHNICAL.md).
## License
This project is licensed under the [Mozilla Public License 2.0](LICENSE).
It builds upon the following MPL 2.0 licensed upstream projects:
- [siderolabs/talos](https://github.com/siderolabs/talos) — Talos Linux OS
- [siderolabs/pkgs](https://github.com/siderolabs/pkgs) — Talos package definitions
- [talos-rpi5/sbc-raspberrypi5](https://github.com/talos-rpi5/sbc-raspberrypi5) — Raspberry Pi 5 SBC overlay
Our patches to these projects are in the `patches/` directory and are distributed under the same MPL 2.0 terms.