
[Raspberry Pi] Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate. 오류
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【Fundamental Tech】/Raspberry Pi OS
1. 현상 Raspberry Pi 3 Model B를 가지고 OS 설치 및 apt-get upgrade 수행시 오류 발생 Err:1 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf libgnutls30 armhf 3.6.7-4+deb10u10 Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate. Could not handshake: Error in the certificate verification. [IP: 121.160.237.73 443] Err:2 https://ftp.lanet.kr/raspbia..