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Hacktoberfest Mauritius 2020 - Flatpak on openSUSE

Ish Sookun
October 23, 2020

Hacktoberfest Mauritius 2020 - Flatpak on openSUSE

A presentation on setting up Flatpak on openSUSE during the Hacktoberfest Mauritius event.

Ish Sookun

October 23, 2020
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  1. Flatpak on openSUSE
    Hacktoberfest 2020
    Mauritius

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  2. What is Flatpak?
    Flatpak is a system for building,
    distributing, and running
    sandboxed desktop applications.
    It was released in 2015 and currently
    supported by most major Linux
    distributions.
    $ sudo zypper in flatpak
    $ flatpak remote-add --if-not-exists flathub \
    https://flathub.org/repo/flathub.flatpakrepo

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  3. Sanbox
    With Flatpak, each app is built and
    run in an isolated environment. By
    default, the application can only
    ‘see’ itself and its runtime.
    Access to user files, network,
    graphics sockets, subsystems on
    the bus and devices have to be
    explicitly granted.

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  4. Under the hood
    Flatpak uses a number of pre-existing technologies. It generally isn’t
    necessary to be familiar with these in order to use Flatpak, although in
    some cases it might be useful. They include:
    ● The bubblewrap utility from Project Atomic, which lets unprivileged
    users set up and run containers, using kernel features such as:
    - Cgroups
    - Namespaces
    - Bind mounts
    - Seccomp rules
    ● systemd to set up cgroups for sandboxes
    ● The OSTree system for versioning and distributing filesystem trees

    View full-size slide

  5. Under the hood
    Flatpak uses a number of pre-existing technologies. It generally isn’t
    necessary to be familiar with these in order to use Flatpak, although in
    some cases it might be useful. They include:
    ● The bubblewrap utility from Project Atomic, which lets unprivileged
    users set up and run containers, using kernel features such as:
    - Cgroups
    - Namespaces
    - Bind mounts
    - Seccomp rules
    ● systemd to set up cgroups for sandboxes
    ● The OSTree system for versioning and distributing filesystem trees

    View full-size slide

  6. $ flatpak remotes
    $ flatpak remote-ls
    $ flatpak search firefox
    Name Description Application ID Version Branch Remotes
    Firefox Mozilla Firefox Web Browser org.mozilla.firefox 82.0 stable flathub
    $ flatpak install flathub org.mozilla.firefox
    $ flatpak run org.mozilla.firefox

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