Gnome3 on Ubuntu

sudo apt install gnome-session
sudo apt install plymouth-theme-ubuntu-gnome-logo plymouth-theme-ubuntu-gnome-text
sudo apt install gnome-backgrounds
sudo update-alternatives --config gdm3.css
sudo update-alternatives --config default.plymouth
sudo update-alternatives --config text.plymouth

Dash to Dock

  • If the dock is visible on the lock screen remove the ubuntu dock like this:
    sudo mv /usr/share/gnome-shell/extensions/ubuntu-dock@ubuntu.com ~/