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os-builder/docs/get-started.md
2026-03-05 08:16:21 -08:00

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# Getting Started
ChillcraftOS is a Debian Trixie-based OS for Raspberry Pi (arm64/armhf) and amd64, built using a modified pi-gen pipeline.
## Supported Architectures
| Arch | Target | Output |
|---------|-------------------------------|----------------|
| `arm64` | Raspberry Pi 3/4/5 (64-bit) | `.img` |
| `armhf` | Raspberry Pi 2/3 (32-bit) | `.img` |
| `amd64` | x86_64 PCs | `.iso` / `.squashfs` |
## Build Host Requirements
The build must run on a Debian-based Linux host. Ubuntu 22.04+ or Debian Bookworm/Trixie are recommended.
Install dependencies:
```bash
sudo apt-get install coreutils quilt parted qemu-user-static debootstrap zerofree zip \
dosfstools libarchive-tools libcap2-bin grep rsync xz-utils file git curl bc \
gpg pigz xxd arch-test squashfs-tools xorriso grub-common
```
The `depends` file in the repo root lists all required tools in `<tool>[:<debian-package>]` format.
## Cloning
```bash
git clone https://github.com/oxmc/ChillcraftOS.git
cd ChillcraftOS
```
Do not clone to a path containing spaces — `debootstrap` does not support them.
## Configuration
Copy or create a config file:
```bash
cp config.example config
# Edit config as needed
```
See [config.md](config.md) for all available options. At minimum set:
```bash
IMG_NAME='chillcraftos'
RELEASE='trixie'
ARCH='amd64' # or arm64 / armhf
```
## Building
```bash
sudo ./build.sh -c config
```
Output files are placed in `deploy/`.
- RPi builds produce a `.img` file you can flash with Balena Etcher or `dd`.
- amd64 builds produce a `.iso` (bootable live image) and/or `.squashfs`.
## Skipping Stages (Faster Iteration)
Add a `SKIP` file to stages you don't want to re-run, and `SKIP_IMAGES` to stages that would otherwise trigger an export:
```bash
# Skip stages 0-2 to iterate on stage3 only
touch stage0/SKIP stage1/SKIP stage2/SKIP
sudo CLEAN=1 ./build.sh -c config
```
Remove the `SKIP` files before a full clean build.