Same here on multiple Debian11 machines.... I just ignore it for the time being.. In the Dashboard it says "Webmin version 1.999" not 1.999-2.
Same here on multiple Debian11 machines.... I just ignore it for the time being..
I have the same problem. I copied the jcameron-key.asc file to /etc/apt/trusted.gpg.d/ as stated in "man apt-key" but then I get the error: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D97A3AE911F63C51