ubuntu-without-snap.html

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# Ubuntu how to uninstall snap completely

Screen recording

This Linux OS is Kubuntu 23.10.

    $ command line to be run as a Linux user that can use sudo and that is not "root"
    # command line to be run as the Linux user root

In order to become the user root:

    $ sudo su

In order stop being the user root and return to being the other Linux user

    # exit

Unpin the Mozilla Firefox icon from the KDE Plasma panel, i.e. "Icons-only Task Manager".

    $ apt-cache rdepends snapd
    ...
    firefox
    chromium-browser

The only deb packages in Ubuntu that just install the equivalent snap package are the two above.
Instead of <code>chromium-browser</code> you can install the official Google Chrome.
Instead of <code>firefox</code> you can install the official Mozilla Firefox from mozilla.org or
you can use the Ubuntu PPA "mozillateam". I'll use the Ubuntu PPA "mozillateam".

In order to not be without a web browser as we uninstall Mozilla Firefox snap.

    $ sudo apt install falkon

Start the falkon web browser. Search google:
ubuntu remove snap

https://www.debugpoint.com/remove-snap-ubuntu/

    $ snap list
    Name               Version          Rev    Tracking         Publisher   Notes
    bare               1.0              5      latest/stable    canonical✓  base
    core22             20230801         864    latest/stable    canonical✓  base
    firefox            118.0.1-1        3216   latest/stable/…  mozilla✓    -
    gnome-42-2204      0+git.ff35a85    141    latest/stable/…  canonical✓  -
    gtk-common-themes  0.1-81-g442e511  1535   latest/stable/…  canonical✓  -
    snapd              2.60.3           20092  latest/stable    canonical✓  snapd

    $ snap list | awk '{print $1}' | tail -n +2
    bare
    core22
    firefox
    gnome-42-2204
    gtk-common-themes
    snapd

    $ sudo su

    # snap list | awk '{print $1}' | tail -n +2 | xargs snap remove --purge
    error: unsupported option provided for multi-snap operation
Does not work.

    # for package_name in `snap list | awk '{print $1}' | tail -n +2 | shuf` ; do echo $package_name; done
    gnome-42-2204
    core22
    firefox
    snapd
    bare
    gtk-common-themes

Run ten times the command below:

    # for package_name in `snap list | awk '{print $1}' | tail -n +2 | shuf` ; do echo Removing $package_name; snap remove --purge $package_name ; done

Make sure:

    # snap list
    No snaps are installed yet. Try 'snap install hello-world'.

    # apt remove --autoremove snapd

    # mkdir -p /etc/apt/preferences.d
    # cat /etc/apt/preferences.d/nosnap.pref
    cat: /etc/apt/preferences.d/nosnap.pref: No such file or directory

    # echo Package: snapd firefox* > /etc/apt/preferences.d/nosnap.pref
    # echo Pin: release o=Ubuntu* >> /etc/apt/preferences.d/nosnap.pref
    # echo Pin-Priority: -1 >> /etc/apt/preferences.d/nosnap.pref

    # cat /etc/apt/preferences.d/nosnap.pref
    Package: snapd firefox*
    Pin: release o=Ubuntu*
    Pin-Priority: -1

    # apt update

    # apt install snapd
    Reading package lists... Done
    Building dependency tree... Done
    Reading state information... Done
    Package snapd is not available, but is referred to by another package.
    This may mean that the package is missing, has been obsoleted, or
    is only available from another source

    E: Package 'snapd' has no installation candidate

    # apt install firefox
    ...
    E: Package 'firefox' has no installation candidate

    # add-apt-repository ppa:mozillateam/ppa

    # apt update

    # apt install firefox
    The following NEW packages will be installed:
    firefox xul-ext-ubufox

Start firefox. Pin to KDE Plasma panel, i.e. "Icons-only Task Manager".

Done. Reboot.