
The first thing to do is to look at the available versions, by running apt policy firefox ( apt-cache policy works as well): I currently have Firefox 65 installed in Ubuntu 18.10, and I want to downgrade it using apt. To downgrade a package to a specific version, you'll need to append =version after the package name in the installation command, with version being the version to which you want to downgrade the package: How To List All Packages In A Repository On Ubuntu, Debian Or Linux Mint.How To Search Available Packages From Command Line In Debian, Ubuntu Or Linux Mint.How To Keep A Package From Updating In Ubuntu, Debian Or Linux Mint.How To Find The Package That Provides A File (Installed Or Not) On Ubuntu, Debian Or Linux Mint.


Sometimes you may encounter issues with a recently upgraded package, and you want to downgrade it. This article explains how to downgrade a package to a specific version using apt, in Debian, Ubuntu or Linux Mint (from the command line).
