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Good Morning,

I have been an Ubuntu user for 12 years and now I am encountering a problem which prevents me from installing new software on all my Ubuntu 20.04 systems.

When I do apt update:

michael_uman@ThinkPad-X1-Carbon-7th ~ $ sudo apt update
Hit:5 https://dl.google.com/linux/chrome/deb stable InRelease                                                                                                                                          
Hit:7 https://packages.microsoft.com/repos/ms-teams stable InRelease                                                                                                                                   
Hit:8 https://deb.opera.com/opera-stable stable InRelease                                                             
Hit:9 http://security.ubuntu.com/ubuntu focal-security InRelease                                                      
Hit:6 https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease                                                         
Ign:1 http://us.archive.ubuntu.com/ubuntu focal InRelease                                                                            
Ign:2 http://us.archive.ubuntu.com/ubuntu focal-updates InRelease
Ign:3 http://us.archive.ubuntu.com/ubuntu focal-backports InRelease
Ign:4 http://packages.microsoft.com/repos/code stable InRelease
Err:10 http://packages.microsoft.com/repos/code stable Release
  Certificate verification failed: The certificate is NOT trusted. The certificate issuer is unknown.  Could not handshake: Error in the certificate verification. [IP: 144.161.106.55 443]
Err:11 http://us.archive.ubuntu.com/ubuntu focal Release
  Certificate verification failed: The certificate is NOT trusted. The certificate issuer is unknown.  Could not handshake: Error in the certificate verification. [IP: 144.161.106.55 443]
Err:12 http://us.archive.ubuntu.com/ubuntu focal-updates Release
  Certificate verification failed: The certificate is NOT trusted. The certificate issuer is unknown.  Could not handshake: Error in the certificate verification. [IP: 144.161.106.55 443]
Err:13 http://us.archive.ubuntu.com/ubuntu focal-backports Release
  Certificate verification failed: The certificate is NOT trusted. The certificate issuer is unknown.  Could not handshake: Error in the certificate verification. [IP: 144.161.106.55 443]
Reading package lists... Done                     
E: The repository 'http://packages.microsoft.com/repos/code 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.
E: The repository 'http://us.archive.ubuntu.com/ubuntu focal 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.
E: The repository 'http://us.archive.ubuntu.com/ubuntu focal-updates 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.
E: The repository 'http://us.archive.ubuntu.com/ubuntu focal-backports 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.
michael_uman@ThinkPad-X1-Carbon-7th ~ $

This only started happening this morning. Yesterday I believe I was able to update the repos. This is happening both in my Native Ubuntu 20.04 and my Ubuntu 20.04 VM.

Any hints why this is happening?

Thank you, Michael Uman

michael_uman@ThinkPad-X1-Carbon-7th ~ $ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 20.04.4 LTS
Release:    20.04
Codename:   focal
michael_uman@ThinkPad-X1-Carbon-7th ~ $
Michael Uman
  • 1
  • Ask Microsoft why their repo uses an untrusted certificate. – Marco May 17 '22 at 15:56
  • I dont really care about the Microsoft cert, the problem is really with the Ubuntu certificates. I am trying to install a standard dev package libasound2-dev and am unable to. – Michael Uman May 17 '22 at 16:13
  • Ok, I tried again, now it's been 3 hours since originally encountering this. Now the apt update works. It seems whatever certificate was problematic is now working. Sorry I opened this, I should have waited. I was hoping to hear an explanation but at this point this issue is resolved. – Michael Uman May 17 '22 at 19:44
  • Ubuntu is not responsible for Microsoft breaking their certificates (temporary). In worst case, remove the the file in /etc/apt/sources.list.d containing the Microsoft repo. – Marco May 17 '22 at 19:54

0 Answers0