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I get 3 messages:

E: the repository'http://archive.ubuntu.com/ubuntu kinetic Release' does not have a Release file
updating from such a repository can't be done securely and is therefore disabled by default
W: see apt-secure (8) manpage for repository creation and user configuration details

Do I create the required repository on my computer? If I create the required repository on my computer what are the configuration details?

Raffa
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Jim
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    Edit /etc/apt/sources.list and remove the line with kinetic as that refers to an older Ubuntu version than what you have installed … Then run sudo apt update again. – Raffa Nov 27 '23 at 19:47
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    You mention an upgrade from lunar (or 23.04) to mantic (23.10), then why does your pasted details refer to kinetic or 22.10? Ubuntu 22.10 (kinetic) reached EOL long ago - https://fridge.ubuntu.com/2023/07/27/ubuntu-22-10-kinetic-kudu-end-of-life-reached-on-july-20-2023/ Please check your question, as your pasted details do not match your stated upgrade; showing issues from a kinetic or 22.10 system; are you trying to upgrade 22.10 to 23.04? – guiverc Nov 27 '23 at 20:42

1 Answers1

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Check that you are really using Ubuntu 23.04, codenamed "Lunar Lobster". I say this because you mention "Kinetic", but that is the codename of Ubuntu 22.10 from last year.

If you are still using 22.10 you must upgrade to 23.04 first and only then to 23.10.

If you are not running Kinetic, then:

  1. Make a backup copy of /etc/apt/sources.list
  2. In your preferred editor, change all mentions of kinetic to lunar.
  3. Do the same for all files in /etc/apt/sources.list.d/
  4. Reboot, just as a precaution.
  5. Do a normal full update.
  6. Reboot.
  7. Then try the upgrade again.
Liam Proven
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