disable the preinstalled gnome extensions like the dock, desktop icons and tiling on ubuntu using the command line with gsettings or graphically with the dconf editor gsetting command to disable the dock, desktop icons and tiling assistant gsettings set org.gnome.shell disabled-extensions ['tiling-assistant@ubuntu.com, ding@rastersoft.com', 'ubuntu-dock@ubuntu.com'] command on github https://github.com/NapoleonWils0n/cerberus/blob/master/ubuntu/ubuntu-disable-extensions.org