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General Build Prerequisites for Image Creation Tools

This document describes the general dependencies for the image creation tools and the steps to install them.

ukify

  1. Install all the required dependencies for ukify:
sudo apt install git python3 python3-cryptography python3-pefile python3-pillow \
  python3-setuptools libssl-dev libzstd-dev uuid-dev gnu-efi python3-packaging \
  libelf-dev lz4 pkg-config meson ninja-build
  1. Clone the systemd repository for ukify, and then check out the version you want:
git clone https://github.com/systemd/systemd.git
cd systemd
git checkout v255
  1. Install ukify by copying the ukify.py script to a directory in your PATH:
cd src/ukify
sudo cp ukify.py /usr/local/bin/ukify
  1. For environments that require ukify in /usr/bin (e.g., OS Image Composer build systems), copy it to /usr/bin
sudo cp /usr/local/bin/ukify /usr/bin/ukify
  1. Verify the installation by running the following command:
ukify --help

You should see the usage instructions for ukify.

mmdebstrap

  1. Download the mmdebstrap package:
wget http://archive.ubuntu.com/ubuntu/pool/universe/m/mmdebstrap/mmdebstrap_1.4.3-6_all.deb
  1. Install the package:
sudo dpkg -i mmdebstrap_1.4.3-6_all.deb
  1. If dpkg reports missing dependencies, you can try to automatically resolve them using this command:
sudo apt --fix-broken install