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update Kernels page for UEK standardization - #39
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securityonion#16188 standardized on the Oracle UEK kernel and made removal of the stock EL9 (RHCK) kernel automatic, so the page's manual "dnf remove" recipe is no longer the way this happens. Rewrites the page around the current behavior: so-kernel-upgrade to move a node still on RHCK or UEK7 onto UEK8, why the RHCK removal is deferred until after the reboot (dnf protects the running kernel), that the highstate performs it, and so-kernel-upgrade --cleanup to trigger it by hand. Notes that UEK7 5.x packages are left to age out on their own.
The page opened with the benefits of dropping the stock EL9 kernel, which read as a pitch for doing something the admin no longer has to do. Says up front that the move to UEK8 and the RHCK removal are automatic and need no action, and moves so-kernel-upgrade into a "Doing It Manually" section for the case where a node did not get there on its own.
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Follow-up to securityonion#16188, which standardized on the Oracle UEK kernel and made removal of the stock EL9 (RHCK) kernel automatic.
The Kernels page still described the old state: the ISO ships both kernels, and you may opt to remove RHCK yourself with
dnf remove. That is no longer how it happens.Rewritten around the current behavior, leading with the fact that none of this needs admin action:
kernel-uek5.x packages are left to age out on their own.so-kernel-upgradeto install UEK8 and set the boot default (with the caveat that the manager has to have the kernel repo synced), andso-kernel-upgrade --cleanupto remove RHCK without waiting for the next highstate.The old "fewer reboot prompts / less
/bootusage" pitch is dropped — it was framing for a manual step that no longer exists.Not included:
release-notes.mdhas no 3.3.0 section yet, and the page's nav placement under Tricks and Tips is unchanged.