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Ubuntu turns 20: 'Oracular Oriole' shows this old bird's still got plenty of flight
(www.theregister.com)
This is a most excellent place for technology news and articles.
Usually it's not that different, though substitute dnf for apt, and package names might be slightly different. If you find instructions for Fedora, Red Hat, CentOS, Rocky, or Alma they're usually all compatible since they're all derived from the same source.