Ubuntu – How to see the changelog for a debian/ubuntu deb package

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I'm running Ubuntu and I have a deb file installed. I've made deb packages before, so I know there is a debian changelog (debchange). Is there anyway to see the debian changelog for any package that I have installed? Assume I don't have access to the deb source file for this package, and I don't have the deb file available. I am able to install extra packages if needed.

Best Answer

Alternatively if the deb is also in the repository and you want to know older versions changelog, you can use apt-get changelog package to read all the changelog. For example for openssl:

apt-get changelog libssl1.0.0