Uninstall Docker in Ubuntu

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

 

 

References

https://askubuntu.com/questions/935569/how-to-completely-uninstall-docker