Published at LXer:
As of now, there are two main universal package systems: Snap and Flatpak. Both function in similar fashion, but one is found by default on Ubuntu-based systems (Snap) and one on Fedora-based systems (Flatpak). I will walk you through the process of installing and using Flatpak on Ubuntu 18.04. If your platform of choice is Fedora (or a Fedora derivative), you can skip the installation process.
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