解决Ubuntu apt 错误：Certificate verification failed: The certificate is NOT trusted_ubuntu apt update 忽略证书

作者：小小林熬夜学编程 | 2024-06-14 18:57:38

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ubuntu apt update 忽略证书

问题描述：

某一天，突然apt install下载不了软件包了。

然后sudo apt update竟然也无效了，出现了一堆错误：


忽略:1 https://mirrors.ustc.edu.cn/ubuntu-ports jammy InRelease
忽略:2 https://mirrors.ustc.edu.cn/ubuntu-ports jammy-updates InRelease
忽略:3 https://mirrors.ustc.edu.cn/ubuntu-ports jammy-backports InRelease
忽略:4 https://mirrors.ustc.edu.cn/ubuntu-ports jammy-security InRelease
错误:5 https://mirrors.ustc.edu.cn/ubuntu-ports jammy Release
  Certificate verification failed: The certificate is NOT trusted. The certificate chain uses not yet valid certificate.  Could not handshake: Error in the certificate verification. [IP: 202.141.160.110 443]
命中:6 http://ppa.launchpad.net/deadsnakes/ppa/ubuntu bionic InRelease
错误:7 https://mirrors.ustc.edu.cn/ubuntu-ports jammy-updates Release
  Certificate verification failed: The certificate is NOT trusted. The certificate chain uses not yet valid certific

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