58 lines
2.5 KiB
Markdown
58 lines
2.5 KiB
Markdown
# Armbian base image for Turing RK1
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This directory builds the minimal, remotely manageable base for the RK1 media
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appliance. It targets Debian 13 (Trixie), Armbian's Rockchip vendor kernel, and
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the `rk3588-turing-rk1.dtb`. Kodi and the pinned RKMPP/RGA media stack are added
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by the higher-level project layers.
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## Build
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Use a dedicated administrator public key. Password and root login are disabled
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in the resulting image.
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```bash
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./build-image.sh --ssh-public-key /absolute/path/to/id_ed25519.pub
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```
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Useful non-building checks:
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```bash
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./tests/lint.sh
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./build-image.sh --ssh-public-key /absolute/path/to/id_ed25519.pub --prepare-only
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./build-image.sh --ssh-public-key /absolute/path/to/id_ed25519.pub --config-dump
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```
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The framework checkout, source caches, build logs, and images live under
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`.work/armbian-build/`; completed images are in its `output/images/` directory.
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The build command creates an image and checksum but never flashes a device.
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## What is locked
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`userpatches/source-lock.env` pins the Armbian framework, the 6.1.115 Rockchip
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kernel source, U-Boot, Rockchip's required binary boot components, and Armbian
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firmware by commit hash. The custom `rkbin-tools` extension and framework
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`git_sources.json` override prevent the two stock moving `master` inputs from
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silently changing.
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Debian and Armbian archive packages are resolved when the image is built, so
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byte-for-byte reproduction also requires retaining the generated package
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manifest and a snapshot of the package repositories. Every built image records
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the resolved package versions in `/usr/share/rk1-media/package-manifest.tsv`.
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## First boot and updates
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- `rkadmin` is created with the supplied SSH public key and passwordless sudo.
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- Root and user password hashes are replaced with an unusable value.
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- SSH password, keyboard-interactive, and root authentication are disabled.
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- Image-time SSH host keys are erased and regenerated before SSH starts.
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- Ethernet uses Armbian's systemd-networkd DHCP configuration.
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- Avahi advertises the fixed hostname `rk1-media.local`.
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- `overlays=panthor-gpu` selects Mesa's Panthor DRM path instead of libMali.
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- Armbian's independent filesystem-resize service remains enabled.
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- Debian security updates are automatic; kernel, boot, BSP, and media packages
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remain held until a rebuilt image passes hardware acceptance tests.
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The raw Armbian image is suitable for eMMC, NVMe, or removable-media flashing.
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Always identify the destination by model, size, and serial immediately before a
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write; the build wrapper deliberately contains no flashing operation.
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