Ansible reboot: only when the server needs it
Gate the reboot on evidence the host reports: the Ubuntu marker file, the Red Hat exit code, then reboot in slices so the whole fleet stays up.
#reboot
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Which updates need a reboot on Rocky/Alma
A dnf update leaves the old kernel and old libraries running on Rocky and Alma. Use needs-restarting to see what needs a reboot and what needs a restart.