# Creates docker group
sudo groupadd docker
# Add your user to the docker group
sudo usermod -aG docker $USER
# Log out and log back in so that your group membership is re-evaluated
# GNOME example
gnome-session-quit"Uninstall Docker Debian/Raspbian/Raspberry Pi OS"
sudo apt-get remove docker docker-engine docker.io docker-ce containerd runcdpkg -l | grep -i docker
sudo apt-get purge -y docker-engine docker docker.io docker-ce docker-ce-cli
sudo apt-get autoremove -y --purge docker-engine docker docker.io docker-ce
sudo rm -rf /var/lib/docker /etc/docker
sudo rm /etc/apparmor.d/docker
sudo groupdel docker
sudo rm -rf /var/run/docker.sock$ sudo apt-get remove docker docker-engine docker.io
$ sudo apt-get update
$ sudo apt install docker.io
$ sudo snap install docker
$ docker --version sudo apt-get install -y xserver-xorg-lts-trusty libgl1-mesa-glx-lts-trusty