Disable snap/snapd on Ubuntu 20.04 and later
TL; DR
sudo systemctl stop snap*
sudo systemctl disable snapd.service
sudo systemctl disable snapd.socket
sudo systemctl disable snapd.seeded.service
sudo systemctl disable snapd.snap-repair.timer
TL; DR
sudo systemctl stop snap*
sudo systemctl disable snapd.service
sudo systemctl disable snapd.socket
sudo systemctl disable snapd.seeded.service
sudo systemctl disable snapd.snap-repair.timer