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@TomK fyi

@dennis.pan

Please see this topic:

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The instructions given in the key rotation notice do not work in nvidia/cuda docker images.

FROM  nvidia/cuda:11.4.0-runtime-ubuntu20.04
...
RUN   apt-key del 7fa2af80
ADD   https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/cuda-keyring_1.0-1_all.deb .
RUN   dpkg -i cuda-keyring_1.0-1_all.deb
...
RUN   apt-get update

Results in

Conflicting values set for option Signed-By regarding source https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/ /: /usr/share/keyrings/cuda-archive-keyring.gpg !=