[certificate verification Error] 인증서 에러 해결 방법

certificate verification Error 발생 시 해결 방법

발생 에러)

액세스하려는 리포지토리의 SSL/TLS 인증서에 문제가 있음을 나타낸다.

`Err:7 https://repo.*****/1/ubuntu bionic Release`

`Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate.  Could not handshake: Error in the certificate verification.
Err:8 https://repo.***/ubuntu bionic Release`

`Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate.  Could not handshake: Error in the certificate verification.

 

 

해결 방법)

$ sudo apt install ca-certificates
$ apt update