Ubuntu – Problem with Vivaldi ppa

ppavivaldi

Hit:1 http://archive.canonical.com/ubuntu disco InRelease
Hit:2 http://se.archive.ubuntu.com/ubuntu eoan InRelease                       
Hit:3 http://se.archive.ubuntu.com/ubuntu eoan-updates InRelease               
Ign:4 http://dl.google.com/linux/chrome/deb stable InRelease                   
Hit:5 http://se.archive.ubuntu.com/ubuntu eoan-backports InRelease             
Hit:6 https://deb.nodesource.com/node_12.x eoan InRelease                      
Hit:7 http://dl.google.com/linux/chrome/deb stable Release                     
Ign:8 https://repo.vivaldi.com/archive/deb stable InRelease                    
Hit:9 https://dl.winehq.org/wine-builds/ubuntu eoan InRelease                  
Hit:11 http://ppa.launchpad.net/git-core/ppa/ubuntu eoan InRelease             
Hit:10 https://cli-assets.heroku.com/apt ./ InRelease                          
Hit:12 https://deb.torproject.org/torproject.org eoan InRelease                
Hit:13 http://security.ubuntu.com/ubuntu eoan-security InRelease               
Err:14 https://repo.vivaldi.com/archive/deb stable Release                     
  Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate.  Could not handshake: Error in the certificate verification. [IP: 23.111.9.47 443]
Hit:15 http://ppa.launchpad.net/kritalime/ppa/ubuntu eoan InRelease            
Hit:16 http://security.ubuntu.com/ubuntu disco-security InRelease              
Hit:17 http://ppa.launchpad.net/linrunner/tlp/ubuntu eoan InRelease            
Hit:18 https://download.sublimetext.com apt/stable/ InRelease                  
Hit:19 https://packagecloud.io/AtomEditor/atom/any any InRelease      
Reading package lists... Done

I got this error somebody who knows?

E: The repository 'https://repo.vivaldi.com/archive/deb stable Release' no longer has 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.

Best Answer

As a workaround, you can use --allow-unauthenticated with apt. Run the command:

sudo apt update --allow-unauthenticated

If you do not want to use --allow-unauthenticated flag every time you run sudo apt update here is a solution.

  1. Press Ctrl+Alt+T to open a terminal.

  2. Type the command sudo nano /etc/apt/sources.list . In this file, search for vivaldi repository.

  3. Now, replace the line with:

    deb [trusted=yes] https://repo.vivaldi.com/archive/deb/ stable main
    
  4. Now, press Ctrl+X followed by y and then Enter to save the files.

  5. Finally, update the package list:

    sudo apt update
    
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