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Certificate Verification Failed During Ubuntu Focal Install

#11206  Permalink Top

Certificate Verification Failed During Ubuntu Focal Install

Dec-15-21 00:43:05

Hi all. Is anyone else having issues installing following the install instructions for Lunux?

Here's what I get when doing apt update:

Code:

ubuntu@ubuntu:~$ sudo apt update

Ign:1 cdrom://Ubuntu 20.04.3 LTS _Focal Fossa_ - Release amd64 (20210819) focal InRelease

Hit:2 cdrom://Ubuntu 20.04.3 LTS _Focal Fossa_ - Release amd64 (20210819) focal Release

Hit:4 http://archive.ubuntu.com/ubuntu focal InRelease                                   

Get:5 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]                

Get:6 http://archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]                                   

Ign:7 https://build.openmodelica.org/apt focal InRelease                                                  

Err:8 https://build.openmodelica.org/apt focal Release                                                    

  Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate.  Could not handshake: Error in the certificate verification. [IP: 192.36.54.111 443]

Reading package lists... Done                           

E: The repository 'https://build.openmodelica.org/apt 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.

ubuntu@ubuntu:~$

Here is the output from the apt-key fingerprint step:

Code:

ubuntu@ubuntu:~$ apt-key fingerprint

/etc/apt/trusted.gpg

--------------------

pub   rsa2048 2010-06-22 [SC]

      D229 AF1C E5AE D74E 5F59  DF30 3A59 B536 6497 0947

uid           [ unknown] OpenModelica Build System <build@openmodelica.org>

sub   rsa2048 2010-06-22 [E]

Subsequent steps fail also.

Am I missing something?

Thanks in advance,
Kent

#11208  Permalink Top

Re: Certificate Verification Failed During Ubuntu Focal Install

Dec-15-21 05:00:35

You need to update the ca-certificates package

#11212  Permalink Top

Re: Certificate Verification Failed During Ubuntu Focal Install

Dec-16-21 01:19:49

That worked. Thanks!

Is the ca-certifcates install/update obvious to most Linux users or should it be included in the install instructions? My Linux/Unix knowledge is a bit outdated. I'm using a fresh install of the LTS without any changes.

I'm still having some other issues, but I'll try to work through them while updating my Linux knowledge.

#11213  Permalink Top

Re: Certificate Verification Failed During Ubuntu Focal Install

Dec-16-21 05:17:52

I think most people press the upgrade button so the system will be up to date, but it takes some time before a new install is upgraded. New installs should have the newer ca-certificates package unless you have an older focal USB-stick, etc.

#11215  Permalink Top

Re: Certificate Verification Failed During Ubuntu Focal Install

Dec-17-21 02:27:05

sjoelund.se wrote:

I think most people press the upgrade button so the system will be up to date, but it takes some time before a new install is upgraded. New installs should have the newer ca-certificates package unless you have an older focal USB-stick, etc.

You got it exactly right! I was running from a focal flash drive (without updates) while waiting for a new SSD to replace a bad hard drive. It arrived today and after a fresh focal install to the SSD and updates, OpenModelica install ran flawlessly.

Sorry for the bother, but maybe my missteps will help someone in the future.

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