When trying to configure yum I get, warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID 8df56d05 So I imported key from http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8DF56D05, but still get warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID 8df56d05 How do I set up yum proply