Install docker on ubuntu
sudo apt-get update
sudo apt-get install
ca-certificates
curl
gnupg
lsb-release
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo
"deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu
$(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io
sudo docker run hello-world
Uninstall docker
sudo apt-get purge docker-ce docker-ce-cli containerd.io sudo rm -rf /var/lib/docker sudo rm -rf /var/lib/containerd
Maintain hard drive in case /var/lib/docker used up space
docker system prune --all --volumes --force truncate -s 0 /var/lib/docker/containers/*/*-json.log find /var/lib/docker/containers/ -type f -name “*.log” -delete
