[Raspberry Pi] Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate. 오류

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/raspbian/raspbian buster/main armhf libnss3 armhf 2:3.42.1-1+deb10u6
  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:3 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf git-man all 1:2.20.1-2+deb10u8
  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:4 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf git armhf 1:2.20.1-2+deb10u8
  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:5 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf isc-dhcp-client armhf 4.4.1-2+deb10u3
  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:6 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf isc-dhcp-common armhf 4.4.1-2+deb10u3
  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:7 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf libarchive13 armhf 3.3.3-4+deb10u3
  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:8 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf python-cryptography armhf 2.6.1-3+deb10u4
  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:9 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf python-werkzeug all 0.14.1+dfsg1-4+deb10u2
  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:10 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf python3-cryptography armhf 2.6.1-3+deb10u4
  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:11 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf python3-werkzeug all 0.14.1+dfsg1-4+deb10u2
  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:12 https://ftp.lanet.kr/raspbian/raspbian buster/main armhf sudo armhf 1.8.27-1+deb10u5
  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/g/gnutls28/libgnutls30_3.6.7-4+deb10u10_armhf.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/n/nss/libnss3_3.42.1-1+deb10u6_armhf.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/g/git/git-man_2.20.1-2+deb10u8_all.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/g/git/git_2.20.1-2+deb10u8_armhf.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/i/isc-dhcp/isc-dhcp-client_4.4.1-2+deb10u3_armhf.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/i/isc-dhcp/isc-dhcp-common_4.4.1-2+deb10u3_armhf.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/liba/libarchive/libarchive13_3.3.3-4+deb10u3_armhf.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/p/python-cryptography/python-cryptography_2.6.1-3+deb10u4_armhf.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/p/python-werkzeug/python-werkzeug_0.14.1+dfsg1-4+deb10u2_all.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/p/python-cryptography/python3-cryptography_2.6.1-3+deb10u4_armhf.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/p/python-werkzeug/python3-werkzeug_0.14.1+dfsg1-4+deb10u2_all.deb  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]
E: Failed to fetch https://ftp.lanet.kr/raspbian/raspbian/pool/main/s/sudo/sudo_1.8.27-1+deb10u5_armhf.deb  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]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

 

2. 해결

• /etc/apt/apt.conf.d/90noverify에 아래 내용 추가

Acquire::https::Verify-Peer "false";