Ubuntu server

This has worked for me following the tip of technical support of Brother:

I would recommend removing the printer driver and re-installing using our install utility that...

You can not do that.

If you want to visit your neighbor you have to leave your home and enter his place. You can not be at both places at the same time.

To make Plank show animation on hover with Compton as the compositor

Open a terminal and run plank --preferences

You'll get a window looking like this:

sudo apt install linux-image-5.13.0-35-generic

# apt-get update
#...