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Gary van der Merwe
Asked: 2022-02-19 01:14:32 +0800 CST

Where can I get apt GPG Public keys for older release

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I would like to install a package from an older ubuntu release into a install of a new ubuntu release, in my case 20.04.

I've added the apt sources list:

deb [trusted=yes] http://old-releases.ubuntu.com/ubuntu/ precise main universe
deb [trusted=yes] http://old-releases.ubuntu.com/ubuntu/ precise-updates main universe

This works, and I can install the package, but I would like to remove the [trusted=yes] and actually verify the packages being downloaded.

Where can I find the gpg public keys for older releases (specifically precise), that I can use with apt-key add?

apt

1 Answers

  1. One can find the public keys from the ubuntu-keyring package.

    However this will not solve the issue as the keys have all expired, and the verification will fail for this reason.

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