I’ve just hit a problem with smart, whenever I tried to upgrade a package on this machine I was presented with the error shown below. I’m not sure why smart is complaining about this, the public key is in my keyring already. Trying to set ‘gpgcheck = 0’ in the channel file and running a smart update didnt help, but running the command shown at the bottom did

Committing transaction...
warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID 5277a2fa
Trying to import the key 888366c05277a2fa from subkeys.pgp.net...
gpg: requesting key 5277A2FA from hkp server subkeys.pgp.net
gpg: key 5277A2FA: "Manfred Tremmel " not changed
gpg: Total number processed: 1
gpg:              unchanged: 1

The above GPG key has been imported successfully.
It is required to install this package:

        libvorbis-1.1.1-0.pm.0.i686.rpm

Do you want to trust this key forever?

You must verify the below fingerprint before answering.
pub   1024D/5277A2FA 1999-07-26 [expires: ????-??-??]
      Key fingerprint = 5296 01E5 5911 A1DC 93D4  45D5 8883 66C0 5277 A2FA
uid                  Manfred Tremmel
sub   3072g/81D6CA10 1999-07-26

If you answer "Yes" all other packages signed with this key will be installed automatically. (y/N): n

error: libvorbis-1.1.1-0.pm.0.i686.rpm: public key not available
Saving cache...

message1:~ #

To fix this problem turn off signature checking, this should only be considered a temporary fix however

smart config --set rpm-check-signatures=false