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I using Ubuntu 23.04. When I run sudo apt update it always shows the following error message.

Ign:1 http://archive.canonical.com/ubuntu lunar InRelease                                                  
Hit:2 http://archive.ubuntu.com/ubuntu lunar InRelease                                                     
Err:3 http://archive.canonical.com/ubuntu lunar Release
  404  Not Found [IP: 185.125.188.12 80]
Hit:4 http://archive.ubuntu.com/ubuntu lunar-updates InRelease
Hit:5 http://archive.ubuntu.com/ubuntu lunar-security InRelease
Hit:6 http://archive.ubuntu.com/ubuntu lunar-backports InRelease
Reading package lists... Done
E: The repository 'http://archive.canonical.com/ubuntu lunar Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
karel
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盧光佐
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  • What you've provided in pastes, is not a archive mirror, but used to hold specific 3rd party modules created by OEMs for specific hardware in conjunction with Canonical. They are not for standard use, but only specific packages for OEM hardware. – guiverc Aug 14 '23 at 11:33

0 Answers0