Step-by-step – Insomnia Installation in Ubuntu 20.04

Installing

3. 3. Installing Insomnia Flatpak

   Then to Install Insomnia Flatpak App on Ubuntu 20.04
   To Setup the Repo play:

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

   And after:

   flatpak install https://dl.flathub.org/repo/appstream/rest.insomnia.Insomnia.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, Build and Installed.

4. 4. Launching Insomnia

   Finally, Launch & Enjoy Insomnia
   Use the Desktop Launcher:

   
   Of from Shell with:

   flatpak run rest.insomnia.Insomnia

5. 5. Insomnia Getting-Started Guide

   Getting-Started with Insomnia for GNU/Linux

   Insomnia Quick Start Guide

   Getting-Started Insomnia Ubuntu
   

So Now I’m truly Happy if this Info could Help you to Install Insomnia on Ubuntu 20.04!