Thanks Frank, Sorry, I should have started with the why: when I do an reload in synaptic I get:
GPG error: http://debian.mirror.digitalpacific.com.au/debian stretch InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010The repository 'http://debian.mirror.digitalpacific.com.au/debian stretch InRelease' is not signed.Updating from such a repository can't be done securely, and is therefore disabled by default.See apt-secure(8) manpage for repository creation and user configuration details.GPG error: http://debian.mirror.digitalpacific.com.au/debian stretch-updates InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010The repository 'http://debian.mirror.digitalpacific.com.au/debian stretch-updates InRelease' is not signed.Updating from such a repository can't be done securely, and is therefore disabled by default.See apt-secure(8) manpage for repository creation and user configuration details.An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://security.debian.org stretch/updates InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9D6D8F6BC857C906 NO_PUBKEY 8B48AD6246925553 Thanks, Pete
