7

Got this error while trying to update cuda

Err:1 https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64  InRelease            
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A4B469963BF863CC

W: GPG error: https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64 InRelease:
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A4B469963BF863CC 
E: The repository 'https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64 InRelease' is not signed. 
N: Updating from such a repository can't be done securely, and is therefore disabled by default. 
N: See apt-secure(8) manpage for repository creation and user configuration details.
Artur Meinild
  • 31,035
Sadak
  • 291

2 Answers2

12

solved with this:

sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/3bf863cc.pub

sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/machine-learning/repos/ubuntu1804/x86_64/7fa2af80.pub
Sadak
  • 291
0

nvidia public repository Gpg public keys (ubuntu)

cuda

old

sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/7fa2af80.pub

Please remove the old key 7fa2af80

sudo apt-key del 7fa2af8

new

add the new key 3bf863cc

sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/3bf863cc.pub

machine learning

sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/machine-learning/repos/ubuntu1804/x86_64/7fa2af80.pub

for additional information refer to this link nvidia

Ahrabprince
  • 1