I found CD images for the 18.10 beta, but I'm wondering if there is a way to upgrade OTA. I have the bionic-proposed box checked, but there is still nothing.
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Questions related to any version prior to final release is off topic here. – Kulfy Aug 20 '18 at 18:28
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This is about upgrading 18.04. Border case off topic I would say. But there IS an answer so I took the liberty to answer it. We do need beta testers, don't we? – Rinzwind Aug 20 '18 at 18:34
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18.10 is Cosmic, not Bionic. Enabling the bionic-proposed repositories will do something other than you intended. Undo that. – user535733 Aug 20 '18 at 19:03
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See also the following link, [Ubuntu Development version / How to participate](https://askubuntu.com/questions/1018033/ubuntu-development-version-how-to-participate) – sudodus Aug 20 '18 at 19:44
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Pre-requisites:
sudo apt update
sudo apt upgrade
sudo apt dist-upgrade
sudo apt autoremove
Those will make sure your current system is up to date.
Edit /etc/update-manager/release-upgrades and set Prompt=normal to avoid the "No new release found message."
This will start the upgrade:
sudo do-release-upgrade -d
Big fat warnings:
- Please do not do this on a production server. 18.10 is not ready for general usage and breaking your system is more likely than having a working system. Every new update might break something.
- If you have personal data do make a backup every day and save them all. At some point you might need to re-install as every update could break your boot procedure. Knowing a little not more then average about the inner workings of Ubuntu so the base system, Linux, systemd, the boot process would be good to have.
- Biggest problem probably will be 3rd party drivers. I would remove them and stick to the open source versions when upgrading and re-enable them when there is a working newer system.
