"This setting is not exposed in the preferences dialog anymore. (since 0.11.0) gsettings set net.launchpad.plank.dock.settings:/net/launchpad/plank/docks/dock1/ show-dock-item false"

Si risolve con questo comando Ubuntu 16.04: gvfs-mime --set x-scheme-handler/trash exo-file-manager.desktop Ubuntu 18.04: gio mime x-scheme-handler/trash exo-file-manager.desktop

A repository of all planks I find. Contribute to erikdubois/plankthemes development by creating an account on GitHub.