Problem
univention-reposotory-update net
gives an error about an “invalid signature”.
Environment:
You will see the following messages:
root@master:~# univention-repository-update net
Error: Verification error: Invalid signature: gpgv: Signature made Mi 19 Nov 2014 21:05:14 CET
gpgv: using DSA key 1DD67AFB2CBDA4B0
gpgv: Can't check signature: Kein öffentlicher Schlüssel
This can and should only be disabled temporarily using the UCR
variable 'repository/mirror/verify'.
Solution
This is a bug.
Option 1 - Workaround
As a workaround you can install the missing keys manually:
Step 1
Download the key from “https://updates.software-univention.de/univention-archive-key-ucs-3x.gpg”
Step 2
Copy the key from step 1 into /etc/apt/trusted.gpg.d/
Option 2 - Upgrade
Install the available update to fix this issue.