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I wanted to upgrade my Ubuntu 16.04 to 20.04. As a part of the process I upgraded it first to 18.04. Then I tried all of the following methods but the upgrade didn't happen.

Method 1 software updater

I tried clicking Upgrade, but nothing happened. So I followed this tutorial https://www.cyberciti.biz/faq/upgrade-ubuntu-18-04-to-20-04-lts-using-command-line/.

Method 2

sudo do-release-upgrade

I got the following error

Checking for a new Ubuntu release
Please install all available updates for your release before upgrading.

Method 3

sudo do-release-upgrade -d

I got the following error

Checking for a new Ubuntu release
Upgrades to the development release are only 
available from the latest supported release.

I have updated the packages in my machine multiple times, yet I keep getting these errors and cannot upgrade to 20.04. Can someone explain why this is happening and how to solve it. Please note that I'm currently using a x86_64 distribution.

Thanks in advance.

Sarani Mendis
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  • Have you tried doing the upgrade from an 18.04 stick? – Craig Hicks Oct 18 '20 at 15:42
  • Hey. Thanks. While upgrading I noticed that gdb gir1.2-peas-1.0 libpeas-1.0-0 qml-module-io-thp-pyotherside were not upgraded. So I followed https://askubuntu.com/questions/1061762/ubuntu-18-04-cant-upgrade-because-of-libpython3-6-version-conflicts and it worked. Thanks again :) – Sarani Mendis Oct 23 '20 at 15:08

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