I've used systemd-sysext's to add system level software to my Steam Deck withough having to unseal the root partition. It's slightly annoying in that that I have to rebuild the ext's every time the system updates, but otherwise they work great.
Ublue Bluefin are looking for use systemd-ext too <a href="https://universal-blue.discourse.group/t/bluefin-is-feature-complete/703" rel="nofollow">https://universal-blue.discourse.group/t/bluefin-is-feature-...</a>
This means we're finally getting a podman container OS.<p><a href="https://github.com/flatcar/scripts/pull/1964">https://github.com/flatcar/scripts/pull/1964</a><p>No I don't count Fedora CoreOS because it's a full immutable Linux distro. Flatcar is more slimmed down than CoreOS.
What is the current state of the "container Linux" ecosystem? It seemed like it was all the rage for a few years then sort of lost steam. Seems like a really good idea as a only moderately heavy container user.
Slightly off-topic, but I wonder if there is something like Flatcar for LXC/LXD/Incus, my preferred container runtime. Would be much better than what I do right now, a locked down openSUSE host server.
Long term I think bootc containers will win the war. It has better backing and the weight of Podman behind it. Sysext will likely play a role, but I think flatcar is a losing horse.
TLDR: Flatcar is adding systemd-sysext to allow users to customize the system and there is a repository of prebuilt extensions.<p><a href="https://www.freedesktop.org/software/systemd/man/latest/systemd-sysext.html" rel="nofollow">https://www.freedesktop.org/software/systemd/man/latest/syst...</a>