coreos-status May 2021

coreos-status@lists.fedoraproject.org

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3 discussions

All Fedora CoreOS streams moving to cgroups v2
by Jonathan Lebon 25 May '21

25 May '21

In a previous email[1], we mentioned that the next stream has moved to cgroups v2 for new nodes. We are now at the next step of the transition, with the testing stream moving to cgroups v2 for new nodes in next week's release (May 31st). This in turn means that the stable stream will also be moving to cgroups v2 in the following release week (June 14th). As before, if you'd like to move to cgroups v2 on existing nodes, you may directly use `rpm-ostree kargs` as described in this example: https://docs.fedoraproject.org/en-US/fedora-coreos/kernel-args/#_removing_e… While we do not recommend it, it is also possible to remain on cgroups v1 on new nodes: https://docs.fedoraproject.org/en-US/fedora-coreos/kernel-args/#_example_st… For more information, see the upstream issue.[2] Thanks, Jonathan Lebon, for the Fedora CoreOS team [1] https://lists.fedoraproject.org/archives/list/coreos@lists.fedoraproject.or… [2] https://github.com/coreos/fedora-coreos-tracker/issues/292

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Fedora CoreOS stable stream now rebased to Fedora 34
by Dusty Mabe 18 May '21

18 May '21

Over the next two days we're rolling out the first Fedora 34 based Fedora CoreOS into the `stable` stream. Some notable issues/configurations: - Very old systems (Fedora 32 and earlier) may not be able to update [0] - systemd-resolved is still enabled but not used yet [1] Here are some highlights of recently added features in Fedora CoreOS: - The `/boot` partition is now mounted read-only. - This continues the work to protect more of the OS from accidental damage. - It is now possible to configure boot disk RAID 1 mirroring via Ignition [2]. - Better introspection into the state of Zincati (the update agent) from `rpm-ostree status`. - Better support for disk encryption. - Initial (non-automatic) support for updating the bootloader. [3] Here are some new features landing in the coming months: - Support for specifying kernel arguments via Ignition [4]. - Move to cgroup v2 by default [5]. - DNF Count Me support for Fedora CoreOS [6]. Thanks to everyone who participated in the test day [7] and to everyone that run the `testing` and `next` streams to help us identify and fix issues before they get to `stable`. Dusty Mabe, for the Fedora CoreOS team [0] https://github.com/coreos/fedora-coreos-tracker/issues/749#issuecomment-843… [1] https://github.com/coreos/fedora-coreos-tracker/issues/834 [2] https://docs.fedoraproject.org/en-US/fedora-coreos/storage/#_reconfiguring_… [3] https://docs.fedoraproject.org/en-US/fedora-coreos/bootloader-updates/ [4] https://github.com/coreos/ignition/issues/1168 [5] https://github.com/coreos/fedora-coreos-tracker/issues/292 [6] https://github.com/coreos/fedora-coreos-tracker/issues/717 [7] https://testdays.fedoraproject.org/events/113

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Fedora CoreOS nodes will be counted by default starting from August
by Timothée Ravier 12 May '21

12 May '21

TL;DR Starting in August Fedora CoreOS nodes will enable the Count Me feature in rpm-ostree by default. Take action if you'd like to opt-out. Starting with the first releases in August, Fedora CoreOS nodes will be counted by the Fedora infrastructure via the Count Me feature. This system is explicitly designed to make sure that no personally identifiable information is sent from counted systems. It also ensures that the Fedora infrastructure does not collect any personal data. The nickname for this counting mechanism is "Count Me", from the option name. Implementation details of this feature are available in the DNF Better Counting change request for Fedora 32 [1]. In short, the Count Me mechanism works by telling Fedora servers how old your system is (with a very large approximation). On Fedora CoreOS nodes, this functionnality is implemented in rpm-ostree [2] as a stand-alone method. The new implementation has the same privacy preserving properties as the original DNF implementation. Full details, including how to opt out/disable counting are available in the recent Fedora Magazine article [3]. The rollout of this is tracked in the Fedora CoreOS issue tracker [4]. Thanks, Dusty Mabe & Timothée Ravier, for the Fedora CoreOS team [1] https://fedoraproject.org/wiki/Changes/DNF_Better_Counting [2] https://coreos.github.io/rpm-ostree/countme/ [3] https://fedoramagazine.org/getting-better-at-counting-rpm-ostree-based-syst… [4] https://github.com/coreos/fedora-coreos-tracker/issues/717

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coreos-status May 2021