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It's just that i said in the title. I have an error, because i tried to install wine, and then, this happens:

Hit:1 https://brave-browser-apt-release.s3.brave.com stable InRelease          
Hit:2 http://archive.ubuntu.com/ubuntu focal InRelease                         
Hit:3 http://ppa.launchpad.net/obsproject/obs-studio/ubuntu focal InRelease    
Hit:4 http://archive.ubuntu.com/ubuntu focal-updates InRelease                 
Hit:5 http://packages.microsoft.com/repos/code stable InRelease                
Hit:6 http://archive.ubuntu.com/ubuntu focal-backports InRelease               
Ign:7 https://dl.winehq.org/wine-bulds/ubuntu focal InRelease                  
Hit:8 http://archive.ubuntu.com/ubuntu focal-security InRelease                
Hit:9 https://dl.winehq.org/wine-builds/ubuntu focal InRelease 
Hit:10 https://dl.winehq.org/wine-builds/ubuntu eoan InRelease 
Err:11 https://dl.winehq.org/wine-bulds/ubuntu focal Release   
  404  Not Found [IP: 199.232.134.217 443]
Hit:12 http://repository.spotify.com stable InRelease          
Reading package lists... Done
E: The repository 'https://dl.winehq.org/wine-bulds/ubuntu focal 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.

I did a question here Installing Wine.hq in Ubuntu 20.04

ZAD4Y
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    The real problem, as pointed out yesterday, is the typo on 11: `https://dl.winehq.org/wine-bulds/ubuntu` "builds" lacks an 'i'. The addition of a 19.10 repo is sloppy, and it should be removed, but it's not critical. – user535733 Apr 20 '21 at 23:12
  • Does this answer your question? [failed to fetch security undermined error \[IP: 91.189.91.38 80\] in ubuntu 20.04](https://askubuntu.com/questions/1305141/failed-to-fetch-security-undermined-error-ip-91-189-91-38-80-in-ubuntu-20-04) – Raffa Apr 20 '21 at 23:18
  • No, it doesnt answer my question, but i wanna uninstall it, because when i write `sudo apt update`, i see that everytime – ZAD4Y Apr 20 '21 at 23:30
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    Does this answer your question? [How do I restore the default repositories?](https://askubuntu.com/questions/124017/how-do-i-restore-the-default-repositories) – N0rbert Apr 21 '21 at 07:07
  • Does this answer your question? [E: The repository 'http//archive.canonical.com precise Release' is not signed](https://askubuntu.com/questions/1120194/e-the-repository-http-archive-canonical-com-precise-release-is-not-signed) – user68186 Apr 22 '21 at 00:08

2 Answers2

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Sources are stored as text files in two places: /etc/apt/sources.list (a file) and /etc/apt/sources.list.d/ (a directory containing files)

You can manually disable a source in any of those text files by putting a comment mark (#) in front of the line. Here's an example:

deb http://us.archive.ubuntu.com/ubuntu/ groovy main       // Active
# deb http://us.archive.ubuntu.com/ubuntu/ groovy main     // Disabled
  • Open these files in a text editor (like nano), not a word processor. nano instructions
  • These files are owned by root; you must use sudo: sudo nano /etc/apt/sources.list

You can delete a source by simply deleting the line in the file. If you are unsure if you should disable or delete a source, ask.

You can also disable or delete sources using the Software & Updates control panel. Here's an example:

  • It's not in settings -- find it using your Desktop Search (the little 9-box grid or your <Super> key).

Software & Updates Control Panel

  • Make sure you are looking at the Other Software tab.
  • Enable a disabled source by checking the box.
  • Disable a source by un-checking it.
  • Delete a source by highlighting, then clicking 'Remove'
user535733
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1

To remove eoan from your sources :

sudo sed -i '/eoan/d' /etc/apt/sources{,.d/*}.list

It will remove the lines with eoan under /etc/apt/sources.list and /etc/apt/sources.d/*

Solving the following error:

E: The repository 'https://dl.winehq.org/wine-bulds/ubuntu focal Release' does not have a Release file.

A typo in the URL wine-bulds, it should be wine-builds. i is missing. (mentioned on @user535733 comment)

Edit your /etc/apt/sources.list or the file under /etc/apt/sources.d/ as follows (also remove duplicate urls):

 deb https://dl.winehq.org/wine-builds/ubuntu/ focal main

Installing WineHQ packages

GAD3R
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