| 系统 | 版本 |
|---|---|
| Debian | 11 |
源配置
deb https://mirrors.aliyun.com/debian/ bullseye main non-free contrib
deb-src https://mirrors.aliyun.com/debian/ bullseye main non-free contrib
deb https://mirrors.aliyun.com/debian-security/ bullseye-security main
deb-src https://mirrors.aliyun.com/debian-security/ bullseye-security main
deb https://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib
deb-src https://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib
deb https://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib
deb-src https://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib
我们可以看到使用的是https协议
问题描述
然而修改好配置时，进行sudo apt-get update报错：
Reading package lists... Done
W: https://mirrors.aliyun.com/debian/dists/bullseye/InRelease: No system certificates available. Try installing ca-certificates.
W: https://mirrors.aliyun.com/debian/dists/bullseye-updates/InRelease: No system certificates available. Try installing ca-certificates.
W: Failed to fetch https://mirrors.aliyun.com/debian/dists/bullseye/InRelease Certificate verification failed: The certificate is NOT trusted. The certificate issuer is unknown. Could not handshake: Error in the certificate verification.
W: Failed to fetch https://mirrors.aliyun.com/debian/dists/bullseye-updates/InRelease Certificate verification failed: The certificate is NOT trusted. The certificate issuer is unknown. Could not handshake: Error in the certificate verification.
W: Some index files failed to download. They have been ignored, or old ones used instead.
出现安全证书不信任的问题
解决办法
有三种解决办法，使用其一即可。
- 把
https协议换成http协议 - 先安装certificate库（安装命令为
sudo apt install ca-certificates），再修改成阿里云的源地址。有一种不配源怎么安装，不安装怎么配源的死锁感? - 使用中科大的源，因为他们在这使用的是
http协议。