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apt-get update fails with public key errors


flot010
Go to solution Solved by Igor,

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Hi everyone!

 

I did not has any problem with apt update. But the last weeks i got this error with one of the Armbian servers if i am right? Is there also a fix for this?

 

Thank you very much! :)

 

Hit:1 http://ports.ubuntu.com jammy InRelease
Hit:2 http://ports.ubuntu.com jammy-security InRelease                                                                                                                      
Hit:3 http://ports.ubuntu.com jammy-updates InRelease                                                                                                                       
Hit:4 http://ports.ubuntu.com jammy-backports InRelease                                                                                                                     
Hit:5 https://download.docker.com/linux/ubuntu jammy InRelease                                                                                                              
Get:6 https://deb.nodesource.com/node_16.x jammy InRelease [4,583 B]                                                                        
Get:7 http://fi.mirror.armbian.de/apt jammy InRelease [52.5 kB]                  
Err:7 http://fi.mirror.armbian.de/apt jammy InRelease        
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 93D6889F9F0E78D5
Fetched 4,583 B in 2s (2,027 B/s)
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
All packages are up to date.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://fi.mirror.armbian.de/apt jammy InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 93D6889F9F0E78D5
W: Failed to fetch http://apt.armbian.com/dists/jammy/InRelease  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 93D6889F9F0E78D5
W: Some index files failed to download. They have been ignored, or old ones used instead.

 

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14 minutes ago, haajee said:

I did not has any problem with apt update. But the last weeks i got this error with one of the Armbian servers if i am right? Is there also a fix for this?

The key is at http://fi.mirror.armbian.de/apt/armbian.key

 

you can try adding it with

 

wget -qO - http://fi.mirror.armbian.de/apt/armbian.key | sudo apt-key add -

 

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Hi the error is back:

 

GPG error: http://mirrors.jevincanders.net/armbian/apt noble InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 93D6889F9F0E78D5

 

I tried to add the key, but apt-key is deprecated:

 

$wget -qO - http://mirrors.jevincanders.net/armbian/apt/armbian.key | sudo apt-key add -
Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).
OK

 

From man page it should be using a new .asc file, instead of the .key:

If your existing use of apt-key add looks like this:

wget -qO- https://myrepo.example/myrepo.asc | sudo apt-key add -

Then you can directly replace this with (though note the recommendation below):

wget -qO- https://myrepo.example/myrepo.asc | sudo tee /etc/apt/trusted.gpg.d/myrepo.asc

 

So just seat and wait for the repos to adjust.

 

EDIT:

 

I run armbian-config again to reconfigure mirrors, and I get this one: http://armbian.chi.auroradev.org/apt that runs fine.

 

In the end I got a warning:

 

W: http://apt.armbian.com/dists/noble/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details

 

I did the upgrade and then tried updating again, and I got the same issue.

Edited by ricardo_brz
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5 minutes ago, ricardo_brz said:

I tried to add the key, but apt-key is deprecated:


Key is not deprecated, method is. On Noble / Sid and future.

 

sudo wget https://apt.armbian.com/armbian.key -O key
sudo gpg --dearmor < key | sudo tee /usr/share/keyrings/armbian.gpg > /dev/null
sudo chmod go+r /usr/share/keyrings/armbian.gpg
sudo echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/armbian.gpg] http://apt.armbian.com $(lsb_release -cs) main  $(lsb_release -cs)-utils  $(lsb_release -cs)-desktop" | sudo tee /etc/apt/sources.list.d/armbian.list
apt update

 

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