Why am I not able to update Ubuntu 20.04.3?

Question

When I run sudo apt-get update in terminal, I get the following output:

Ign:1 http://archive.canonical.com/ubuntu zesty InRelease
Hit:2 http://archive.ubuntu.com/ubuntu focal InRelease                         
Err:3 http://archive.canonical.com/ubuntu zesty Release                        
  404  Not Found [IP: 2001:67c:1562::1c 80]
Hit:4 http://ppa.launchpad.net/lutris-team/lutris/ubuntu focal InRelease       
Hit:5 http://archive.ubuntu.com/ubuntu focal-updates InRelease                 
Hit:6 http://archive.ubuntu.com/ubuntu focal-backports InRelease
Hit:7 http://archive.ubuntu.com/ubuntu focal-security InRelease
Reading package lists... Done
E: The repository 'http://archive.canonical.com/ubuntu zesty 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.

It seems to be searching a repository for Zesty even though the current version is 20.04.3 Focal Fossa. I have been unable to get updates or upgrade from Focal to the most recent Ubuntu Distribution.

Somehow, you have added zesty (Ubuntu 17.04) repositories to your Ubuntu 20.04. See How do I restore the default repositories? — Archisman Panigrahi, Jan 04 '22 at 05:08
Yes. that seemed to do the trick. Only thing different was the interface of software & updates, but doing the equivalent steps seems to have worked. — Nil, Jan 04 '22 at 05:15

Why am I not able to update Ubuntu 20.04.3?

0 Answers0