The other day I noticed a post on one of my Misskey Antennas about “a container runtime written in Rust” called youki. This piqued my interest especially since its repository is under the containers org, which is also the home of Podman and crun for example. I’ll be honest and admit that I’m still not very clear about the exact responsibilities of such a runtime. It gets especially fuzzy when both “high level” runtimes like containerd and docker, and low level runtimes (that can serve as the “backend” of high level ones) like kata and youki are referred to just as “runtimes.” Anyway I decided to give it a try and see if I could get it to work with my k3s setup. It really wasn’t as easy as I’d hoped.

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