bottlerocket VS lima

Don't overlook Bottlerocket, which despite coming out of AWS is not (AFAIK) AWS-centric: https://github.com/bottlerocket-os/bottlerocket#readme

It's also super handy for writing out static Pod manifests to have replace the brain-damaging Ignition as a less stupid alternative to cloud-init

According to this discussion - starting with Bottlerocket 1.13.0 (Mar 2023) new distributions will default to using Cgroups v2 interface for process organization and enforcing resource limits.

Well, the link I provided references the Bottlerocket docs which explains the control container and the admin container and also how you can configure Bottlerocket via the User Data field when launching it as an AMI. All the information appears to be in the docs

https://github.com/bottlerocket-os/bottlerocket/blob/develop...

On the server-side, there's Bottlerocket OS [1] (Amazon). They use A/B partitions for upgrades, and the idea is that you just run containers for anything non-base. Boot containers are used to do custom configuration at boot, and host-container (or DaemonSet, if you run K8S) is used for long-running services.

[1] https://github.com/bottlerocket-os/bottlerocket

Bottlerocket OS.

To add to the other excellent answers, I would recommend adding Bottlerocket to your reading list: https://github.com/bottlerocket-os/bottlerocket#readme

I'm also aware of (but haven't used) https://github.com/siderolabs/talos#readme

I just realized your question may have implied a desktop os, whereas Bottlerocket, Flatcar, and likely the others in this specific thread are server-side. I don't have much experience with trying to solve that problem on the desktop except for the horror-show that is snap

https://github.com/bottlerocket-os/bottlerocket/issues/2855 soon for bottlerocket, maybe you’ll see Amazon Linux 2023 for eks nodes soon too?

I think open sourcing for free labor is a common misconception. Most corporate led open source projects (eg, https://github.com/bottlerocket-os/bottlerocket from AWS or https://github.com/facebook/relay from Facebook) still require a team of employees.

Lima can launch Ubuntu VMs easily: https://github.com/lima-vm/lima/blob/master/examples/ubuntu....

You can run a virtual machine (e.g. lima) from inside a nix-shell, exactly as you would do with a regular shell.

for others similarly curious, here's an example of the thing: https://github.com/noop-inc/template-java-spring-boot/blob/m...

they seem to be using the excellent lima <https://github.com/lima-vm/lima#readme> for booting on macOS; I run colima for its containerd and k8s support but strongly recommend both projects $(brew install lima colima)

Lima is what I use as well. It's quick and easy to just fire up a VM with default settings, but also very easy to configure with different file sharing options, port forwarding, different linux distributions, etc. (their examples are also pretty good IMO [1]).

In particular I use it to run an amd64 VM, which I need to run a stubborn service for work that doesn't run on arm CPUs.

[1] https://github.com/lima-vm/lima/tree/master/examples

Lima (1) is a project that packages Linux distros for MacOS and executes them via qemu in the backend. Maybe you could solve your problem by launching one of their vms and inspecting the command line it generates. You might find an option you were missing.

(1) https://github.com/lima-vm/lima

If you wish to delve into all the configuration possibilities for Lima VM, you can visit this resource.

I'd say Lima and Colima should be enough for most use cases:

https://lima-vm.io/

https://github.com/abiosoft/colima