debian/ubuntu出现W: There is no public key available for the following key IDs

今天在更新VPS的时候发现出现了W: There is no public key available for the following key IDs:的情况,估计有些朋友可能也遇上了,所以在这里分享一下,接触直接的解决方案:

简单几步把debian 9升级到debian 10

 

apt-get install debian-keyring debian-archive-keyring

apt-key update

完了!

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