# Butter Churn
[](https://opensource.org/licenses/BSD-3-Clause)
Tool for building Butter Box disk images.
## Usage
To build a butter image, run:
```sh
vmdb2 --rootfs-tarball=my_image.tar.gz --output my_image.img --log my_image.log
```
## Copyright and Licence
© 2017, Michael Stapelberg and contributors
© 2021 guardianproject
© SR2 Communications Limited
See [LICENCE](./LICENCE) for details of the BSD-3 clause licence.
This project is a derivative work of:
* [Butter Box for Raspberry Pi](https://gitlab.com/likebutter/butterbox-rpi)
licensed under the MIT licence.
* [Raspberry Pi Image Specs](https://salsa.debian.org/raspi-team/image-specs)
licensed under the 3-clause BSD licence.