How to Install Signal Desktop on CentOS – Step-by-step

How to Install

2. 2. Installing Signal Desktop

   Then to Install Signal Desktop Flatpak App on CentOS
   To Setup the Repo 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.signal.Signal.flatpakref

   The Flatpak App Setup do Not need the sudo Command because then it Runs confined into a Sandbox.
   Then Confirm the proposed Setup with ‘Enter’ and Wait patiently until the App is Downloaded, Build and Installed.

3. 3. Launching Signal Desktop

   Finally, Launch & Enjoy Signal Desktop
   Use the Desktop Launcher:

   
   Of from Shell with:

   flatpak run org.signal.Signal