Hi, when using 'apt-get update' I keep getting
Reading package lists... Done W: GPG error: http://www.mclean.net.nz stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 1AF1A20A4CC00851 W: GPG error: http://www.debian-multimedia.org etch Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 07DC563D1F41B907 W: GPG error: http://deb.grml.org grml-stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F61E2E7CECDEA787
... which affects grml maintained
Building dependency tree... Done The following packages have been kept back: libvolume-id0 udev
... on which two xorg modules in ltsp5 depend. Can anyone suggest a fix ? Adam Bogacki, [EMAIL PROTECTED]

