“the following signatures couldn’t be verified because the public key is not available” 에러

보통 sudo apt-get update를 할때 발생하는 에러로 publickey를 추가해주면 된다.

 

 

 

해결법

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys <publickey>

 

 

참고자료

https://chrisjean.com/fix-apt-get-update-the-following-signatures-couldnt-be-verified-because-the-public-key-is-not-available/