Step-by-step – IntelliJ IDEA Fedora 31 FlatPak Installation

Installing

2. 2. Setting Up Flatpak

   How to Setup Flatpak on Fedora 31

   Flatpak Fedora 31 Installation Guide

   Flatpak Fedora 31 Setup

3. 3. Installing IntelliJ IDEA

   Then to Install IntelliJ IDEA Flatpak App on Fedora 31
   For the Community Edition simply play:

   flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

   For further Insight see the Flatpak Official Documentation.
   And after:

   flatpak install https://flathub.org/repo/appstream/com.jetbrains.IntelliJ-IDEA-Community.flatpakref

   Instead, for the Ultimate Version run:

   flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

   For further Insight see the Flatpak Official Documentation.
   And after:

   flatpak install https://flathub.org/repo/appstream/com.jetbrains.IntelliJ-IDEA-Ultimate.flatpakref

   The Flatpak App Setup do Not need the sudo Command because then it Runs confined into a Sandbox.
   However, you’ll be Prompted to Authenticate with your User or Admin Pass.
   Then Confirm the proposed Setup with ‘Enter’ and Wait patiently until the App is Downloaded and Installed.