FIX: The key(s) in the keyring /etc/apt/trusted.gpg.d/???.gpg are ignored as the file is not readable by user ‘_apt’ executing apt-key
When running apt-get update i was seeing these errors: I was getting this error after migrating keys from the old, legacy store to a the shiny new one. A quick inspection shows that the new keys have different permissions to the existing ones The fix is pretty simple. Pick one of the pre-existing GPG…