Cuda Repo Signing Key Change is causing package repo update failures

The signing key of the Cuda RPM and Debian package repos has been changed.

See https://github.com/NVIDIA/cuda-repo-management/issues/4 for more info.

This only affects users that perform package list updates in the base images. The error looks like something like:

$ apt update
Err:1 http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64  InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A4B469963BF863CC

Edited May 03, 2022 by Jesus Alvarez