How To Upgrade Ubuntu To 18.10 Cosmic Cuttlefish - LinuxConfig.org

LinuxConfig.org Articles
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Details Lubos Rendek Ubuntu 15 May 2018 22 August 2018

Objective

Upgrade an existing Ubuntu installation 18.04 LTS to 18.10 Cosmic Cuttlefish

Requirements

You need an existing Ubuntu 18.04 LTS install with root privileges. The following link will provide you with an information on how to upgrade your current Ubuntu system to 18.04 LTS.
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-upgrade-ubuntu-to-18-10-cosmic-cuttlefish
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I do not think the debian way is recommended on desktop. do-release-upgrade disable the lock screen-suspend before doing the upgrade which can take several hours.