[root@malbec]~ #spye metaconfig update-machine -a [*] Would have updated apt-get database [I] Approve this operation? [y/N]? y [*] Updating apt database.. W: GPG error: http://download.virtualbox.org maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 54422A4B98AB5139