Step-by-step – KeePassXC Red Hat Linux 9 Installation

Installing

2. 2. Setting Up Flatpak

   How to Install Flatpak on Red Hat Linux 9

   Flatpak Red Hat Linux 9 Installation Guide

   Flatpak Red Hat Linux 9 Setup

3. 3. Installing KeePassXC Flatpak

   Then to Install KeePassXC Flatpak App on Red Hat Linux 9
   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://dl.flathub.org/repo/appstream/org.keepassxc.KeePassXC.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’s User or Admin Pass.
   Then Confirm the proposed Setup with ‘Enter’ and Wait patiently until the App is Downloaded and Installed.