FC3 内核升级, kernel-smp-2.6.9, 想从清华f t p 升到2.6.12, 其他都好,最后这样,

Athrun Zala

Is this ok [y/N]: y
Downloading Packages:
warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID 4f2a6fd2
public key not available for //var/cache/yum/updates/packages/kernel-2.6.12-1.1381_FC3.i686.rpm
public key not available for //var/cache/yum/updates/packages/mkinitrd-4.1.18.1-1.i386.rpm
public key not available for //var/cache/yum/updates/packages/selinux-policy-targeted-1.17.30-3.19.noarch.rpm
public key not available for //var/cache/yum/updates/packages/policycoreutils-1.18.1-2.12.i386.rpm