Step-by-step – Flatpak LXLE Ubuntu 18.04 Installation

Setting Up

2. 2. Setting Up Repository

   Then Add Flatpak LXLE Linux PPA.

   sudo add-apt-repository ppa:alexlarsson/flatpak

   sudo apt update

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.

3. 3. Installing Flatpak

   Finally, Install Flatpak
   Simply play:

   sudo apt install flatpak

   Authenticate with the User’s Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.