How to downgrade Ubuntu Linux system to its previous version - LinuxConfig.org


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The Ubuntu system downgrade procedure is relatively straightforward. The trouble only may arise during and after the system downgrade. In this guide, we will be downgrading Ubuntu 18.10 Cosmic Cuttlefish to Ubuntu 18.04 Bionic Beaver.
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-downgrade-ubuntu-linux-system-to-its-previous-version