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Gnome Extensions
Various extensions allow to extend the Gnome Desktop functionality.
Installing a Extension
The systemwide installation directory for extensions is /usr/share/gnome-shell/extensions/, but they can also be installed for just a single user in ~/.local/share/gnome-shell/extensions/.
Gnome extensions can be installed as software package, via browser and the Gnome Extensions Website or manually.
Configure an Extension for all Users
In Hiera add the identifier/technical name of the desired extension to the gnome::custom_extensions list:
gnome::custom_extensions:
- 'desktop-icons@gnome-shell-extensions.gcampax.github.com'
You can figure out the technical name by listing the installation directory (see above chapter) or by checking the list of activated extensions before and after enabling it using the GUI settings tool (Tweaks on RHEL8 and Extensions or RHEL9+):
$ dconf dump /org/gnome/shell/ | grep enabled-extensions
enabled-extensions=['appindicatorsupport@rgcjonas.gmail.com', 'desktop-icons@gnome-shell-extensions.gcampax.github.com']
$
For the actual configuration of the extension itself, best do it with the GUI tool and then list the configuration of all extensions as follows:
$ dconf dump /org/gnome/shell/extensions/
[dash-to-dock]
show-trash=false
dock-fixed=true
dock-position='BOTTOM'
$
or watch the changes live with
$ dconf watch /org/gnome/shell/extensions/
/org/gnome/shell/extensions/desktop-icons/show-trash
false
/org/gnome/shell/extensions/desktop-icons/show-home
false
and then bring your changes into your default dconf configuration.
Note that users may still override such configuration. To reset user specific settings do
rm ~/.config/dconf/user