JFYI a similar approach by Rancher with elemental-toolkit

[j-landru]

Just for your information Suse/Rancher activly works on a similar idea in a gitops approach.
See elemental-toolkit

• https://github.com/rancher/elemental-toolkit
• https://rancher.github.io/elemental-toolkit/docs/

Could be an interesting source of inspiration for your project.

Regards.

[iximiuz]

Nice find! Thanks a lot for sharing, I'll give it a closer look!

[pwFoo]

Nice project. I tried to build a custom linux with https://github.com/linuxkit/linuxkit. It works and you can replace every part like kernel, init and services. Also how services handled by custom images.

[GrabbenD]

Here's more!

• KairOS - (from the author of Elemental-Toolkit)
• libostree - (OSTree)
• BootC - (OSTree with rpm containers)
• LinuxKit - (based on Alpine)

I currently use OSTree with a tweaked approach to allow more customizability: https://github.com/GrabbenD/ostree-demo

[j-landru]

Thanks for these references.

Since last post I switch from Elemental-Toolkit to Kairos. For next generation of Viminal lab images, I'm trying to build a "polymorphic" single immutable OCI image run-able install-less on most common execution contexts : bare-metal (live CD/USB), HVM in live mode (kvm, virtualbox, vmware, hyper-v,...) and rootless container (podman, docker, LXD) and possibly on k3S pod.
Some interesting first results.., so I plan to share/publish soon a kairos based derivative howto called abcd (Alpine Based Cos Derivative).

[j-landru]

About abcd, I started yesterday a discussion post on kairos github https://github.com/kairos-io/kairos/discussions/1875