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I have a file server I set up a few years ago. It is running ubuntu server 20.10. I haven't touched it in more than a year (other than connecting to the shared network folders). When I logged in today, it said this release is no longer supported, and that I need to do-release-update.

But when I do that, it says the required dependency 'apt (>=2.1.10ubuntu0.3)' is not installed

Currently: apt --version yields apt 2.1.10ubuntu0.2 (amd64)

It doesn't currently have a keyboard or monitor hooked up, I do everything via ssh. What needs to happen to get this caught back up?

Thanks!

I will try what is listed in How to install software or upgrade from an old unsupported release? when I get home tonight, it has different instructions than https://help.ubuntu.com/community/EOLUpgrades/ which is what I'd been following...

David Oneill
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    Ubuntu 20.10 had one fully QA-tested & supported upgrade path; which was to the next release (being Ubuntu 21.04) but that door closed when 21.04 reached EOL. I know a number of bugs were filed by 20.10 users who missed the 21.04 chance & thus filed bug reports, and Brian Murray of the Ubuntu Release Team worked on issues to resolve that esp. for the future, but that was long ago. Ubuntu 20.10 was the first in the two year development cycle that concluded with release of 22.04 LTS – guiverc May 04 '23 at 04:01
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    The next time you install a server, I'd advice you to install the latest LTS release (currently 22.04). This makes much more sense, and will allow you a 5 year window for upgrading. – Artur Meinild May 04 '23 at 04:49
  • @karel that might be what I'm looking for, I'll give that a try when I get home from work. sudo apt-get install ubuntu-release-upgrader-core wasn't in the instructions I was using, – David Oneill May 04 '23 at 13:18
  • FYI: The upgrade instructions intended for Ubuntu 20.10 were https://help.ubuntu.com/community/HirsuteUpgrades which mention sudo apt-get install update-manager-core rather clearly... – guiverc May 04 '23 at 13:31

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