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W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://nvidia.github.io/nvidia-container-runtime/ubuntu16.04/amd64 InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 키이름

 

위와 같이 linux 환경에서 sudo apt-get update 시, public key 를 사용할 수 없다는 에러가 발생하는데 ..

아래와 같이 PUBKEY 를 추가하여 문제를 해결 할 수 있음

 

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys <PUBKEY>
sudo apt-get update

 

 

참고자료 : 

https://askubuntu.com/questions/13065/how-do-i-fix-the-gpg-error-no-pubkey

 

How do I fix the GPG error "NO_PUBKEY"?

I added some extra repositories with the Software Sources program. But when I reload the package database, I get an error like the following: W: GPG error: http://ppa.launchpad.net trusty InRele...

askubuntu.com

 

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