Upgrade 16.04 to 18.04

Daniel Llewellyn diddledan at ubuntu.com
Sat May 2 17:04:07 UTC 2020

On Sat, 2 May 2020 at 15:55, Jeffrey Lane <jeffrey.lane at canonical.com>

> This does not appear to be the case for me.  I've just recreated that
> really quickly in my lab by installing a server with bionic and trying
> to run do-release-upgrade on that.  With Prompt in release-upgrades
> set to either lts or normal, I can't get do-release-upgrade to do
> anything.
> https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1876420

I think this is expected. LTS-to-LTS upgrades are usually delayed until the
.1 release to allow the early-adopters to kick the tires before the LTS
users make the jump. Until then you must do a multiple-hop upgrade. You
should be able to upgrade to Eoan (19.10) and from there upgrade to Focal
(20.04). To do that you will need to set `Prompt=normal`, which is normally
set to `lts` when you first install an LTS release.
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