How to install flatpak on ubuntu

Flatpak is the new framework for desktop applications that allows the same app to be installed on different Linux distributions, including different versions. You need to install Flatpak, before you can install applications with Flatpak. Using flatpak you can build and distribute desktop applications on Linux. Some of the advantages of flatpak are just build your application and distribute it to the entire Linux desktop market, full control over dependencies and future-proof builds.

To install flatpak on ubuntu, you need to open your terminal app.

For Ubuntu 18.10 (Cosmic Cuttlefish) or Ubuntu 19.04 (Disco Dingo)

Type the below command in terminal and hit enter.

sudo apt update

Type your ubuntu password and hit enter. Then install flatpak by typing this command in terminal.

sudo apt install flatpak

For older Ubuntu versions

Type the below command in the terminal and hit enter to add the alexlarsson/flatpak ppa in your ubuntu system.

sudo add-apt-repository ppa:alexlarsson/flatpak

Type your ubuntu password and hit enter.
Then press enter to accept the process. Then type below command in terminal and press enter.

sudo apt update

Finally install flatpak by typing this command in terminal.

sudo apt install flatpak

Type Y and hit enter to confirm the installation.

After the successful installation of flatpak restart your ubuntu. Now your are ready to install any flatpak app in your Ubuntu system.

Install Gnome Software Flatpak plugin:

If you want to install the flatpak apps without the need of command line, you need to install the Gnome Software Flatpak plugin in your ubuntu.

To install it run the below command in terminal.

sudo apt install gnome-software-plugin-flatpak