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Old School Automated ARM for Libvirt/KVM

Overview

  • Create a non-EFI (old school) ARM Hard Float virtual machine for Libvirt/KVM using packer to automate a repeatable process. The resulting image is meant to be used along with subsequent Packer provisioning to create a Libvirt base image, not be be used directly (although you can).
  • See Four ARMs for Libvirt/KVM Virtualisation for prerequisites, why, and other alternatives.

Get the Installer Images

NB Instead of vmlinuz and initrd.gz as the filenames you should use filenames that include the debian version and architecture (e.g. call vmlinuz debian-10.6.0-armhf-vmlinuz).

  1. Get Debian Buster armhf kernel
  2. Get Debian Buster armhf initrd
  3. Get Debian Buster armhf CD#1 image

Subsequent instructions assume you have the renamed files in /home/user/Downloads.

Table of Contents

Conclusion

This is a little more involved than the first two posts in this series where we just did a standard Debian install, but it has the advantage that you can now repeatably produce base virtual machine images. If you learn Ansible (or one of the other provisioners for which Packer has a plugin) you can have the virtual machine preconfigured to suit your needs, and if you need to you can tweak and rebuild knowing you haven’t missed some provisioning step (which is a hazard with manual provisioning).