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Kubuntu Studio, 21.10, fresh install.

When trying to update or upgrade, the first thing apt tries to get is binfmt-support, but doing so returns these errors:

Err:1 http://archive.ubuntu.com/ubuntu impish/universe amd64 binfmt-support amd64 2.2.1-1
  404  Not Found [IP: 2620:2d:4000:1::16 80]
E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/b/binfmt-support/binfmt-support_2.2.1-1_amd64.deb  404  Not Found [IP: 2620:2d:4000:1::16 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

Universe is enabled in sources.list (if that's even relevant); I notice that the URL in the error message says "impish/universe" where a similar line in sources.list says "impish universe."

I don't know what i don't know, but I do know I'm stuck and I haven't found any information on this that addresses the issue.

  • I can't download anything. Tried for gufw, for instance, and nothing in the list of packages that come up can be found.

http://archive.ubuntu.com/ubuntu/pool/main/w/webkit2gtk/gir1.2-javascriptcoregtk-4.0_2.34.0-1ubuntu1_amd64.deb , for example, is 404, but it's what's being looked for by apt.

Bill in Kansas City
  • 429

1 Answers1

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For posterity: I was able to update the relevant packages by,

  1. backing up sources.list;
  2. replacing sources.list with a version from a previous ubuntu release;
  3. run apt update;
  4. installing the packages I needed;
  5. restoring the sources.list backup;
  6. run apt update

Software Center shows the system is entirely up to date. Why ubuntu would need a package that isn't in its current repositories is beyond me. Maybe someone else has that answer.

Bill in Kansas City
  • 429