Hi all, we have installed a fresh CentOS 3.3 system, imported the keys: rpm --import /usr/share/rhn/RPM-GPG-KEY* trying to install a package fails: up2date -i mysql mysql-3.23.58-1.i386.rpm: ########################## Done. The package mysql-3.23.58-1 is signed, but with an uknown GPG key. Aborting... Package mysql-3.23.58-1 has a unknown GPG signature. Aborting... the same problem with yum yum update Error: Could not find the GPG Key necessary to validate pkg /var/cache/yum/update/packages/cups-1.1.17-13.3.13.i386.rpm Error: You may want to run yum clean or remove the file: /var/cache/yum/update/packages/cups-1.1.17-13.3.13.i386.rpm Error: You may also check that you have the correct GPG keys installed somebody knows what´s going wrong?` tia and best regards!