Fetched 27.3MB in 2m6s (215kB/s)
Checking GPG signatures...
error: automake15_1.5-6.2.9_noarch.rpm has invalid or unknown GPG key.
error: automake_1.6.3-5.2.9_noarch.rpm has invalid or unknown GPG key.
error: autoconf_2.57-3.2.9_noarch.rpm has invalid or unknown GPG key.
error: gtk+_1%3a1.2.10-25.2.9_i386.rpm has invalid or unknown GPG key.
error: gtk2_2.2.1-4.1.9_i386.rpm has invalid or unknown GPG key.
error: qt_1%3a3.1.2-2.0.9_i386.rpm has invalid or unknown GPG key.
error: automake14_1.4p6-5.3.9_noarch.rpm has invalid or unknown GPG key.
error: xmms-mp3_1%3a1.2.7-21.p_i386.rpm has invalid or unknown GPG key.
E: Sub-process /usr/bin/apt-sigchecker returned an error code (8)
E: Failure running script /usr/bin/apt-sigchecker

What does this mean and howto correct this?
Thanks

This means that the packages that you fetch are signed with gpg, in order to assure that you are installing a package from your distro.
You can download the public part of that key, so the apt will could check the signature to to install, what distro are you using?

RedHat 9

Probably the key is from security@redhat.com:

pub 1024D/DB42A60E 1999-09-23 Red Hat, Inc <security@redhat.com>
sub 2048g/961630A2 1999-09-23

you can get it from pgp.mit.edu or other servers:

# gpg --keyserver pgp.mit.edu --recv-keys DB42A60E

if it's not that key, check any package installed in your system from your distro to see what signature it has:

# rpm -vK package

Is the following telling me that the packages I recieved from various RH
9 apt sources are no good or just that they don/t match RH 9's gpg?
Thanks Dirk

Fetched 1652kB in 7s (224kB/s)
Checking GPG signatures...
error: automake15_1.5-6.2.9_noarch.rpm has invalid or unknown GPG key.
error: automake_1.6.3-5.2.9_noarch.rpm has invalid or unknown GPG key.
error: autoconf_2.57-3.2.9_noarch.rpm has invalid or unknown GPG key.
error: gtk2_2.2.1-4.1.9_i386.rpm has invalid or unknown GPG key.
error: gtk+_1%3a1.2.10-25.2.9_i386.rpm has invalid or unknown GPG key.
error: qt_1%3a3.1.2-2.0.9_i386.rpm has invalid or unknown GPG key.
error: automake14_1.4p6-5.3.9_noarch.rpm has invalid or unknown GPG key.
error: xmms-mp3_1%3a1.2.7-21.p_i386.rpm has invalid or unknown GPG key.
E: Sub-process /usr/bin/apt-sigchecker returned an error code (8)
E: Failure running script /usr/bin/apt-sigchecker

root]# rpm -qa gpg-pubkey*
gpg-pubkey-db42a60e-37ea5438
gpg-pubkey-8df56d05-3e828977
gpg-pubkey-db42a60e-37ea5438
gpg-pubkey-db42a60e-37ea5438
gpg-pubkey-897da07a-3c979a7f