Remove all the packages installed with the ubuntu-unity-desktop meta-package: You can now proceed to remove Unity.Īfter installing Unity, lightdm was set as default, so let's switch back to gdm3:ģ. This way you'll be logged into the Gnome session, and not Unity. Log out and select Ubuntu from the login screen: I used this instead of just removing ubuntu-unity-desktop and then using apt autoremove, because only a few packages are removed that way, so you would end up with a large list of leftovers. It may remove some packages you have installed yourself. You may have manually installed some of these packages, or they may be dependencies for some packages you've installed, so be careful when using this command.

This is the list of installed packages installed on a fresh Ubuntu 18.04 system with no extra packages installed. To make it easy to remove, I saved the list of packages installed by the ubuntu-unity-desktop meta-package. How to completely remove Unity from Ubuntu 18.04 LTS

In such cases, enable the Unity lowgfx option by launching a terminal and using this command: If you want to use Unity with Ubuntu 18.04 in VirtualBox, if Unity doesn't automatically set the LowGFX mode, you may have missing window titlebars and won't be able to access the indicators on the top panel. That's pretty much it! One more thing though. To change the theme, use Unity Tweak Tool - to install it, run:

Unity linux install