Ubuntu
TL;DR
curl -L https://get.docker.com -o install.sh
sh install.sh
rm -f install.sh
sudo usermod -aG docker $USER
newgrp docker
sudo apt-mark hold docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin docker-ce-rootless-extras
Uninstall old versions
sudo apt remove docker docker-engine docker.io containerd runc
Install with APT package manager
sudo apt install -y apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor --yes -o /etc/apt/trusted.gpg.d/docker.gpg
sudo add-apt-repository "deb [arch=$(dpkg --print-architecture)] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
sudo apt update
Install docker
apt-cache policy docker-ce
sudo apt install -y docker-ce
Start docker
sudo systemctl enable --now docker
Check docker installation
sudo systemctl status docker
docker -v
Update user group to run commands
sudo usermod -aG docker $USER
newgrp docker
Test installation
docker run hello-world
Install using script
curl -L https://get.docker.com -o install.sh
sh install.sh
rm -f install.sh
sudo usermod -aG docker $USER
newgrp docker
Uninstall Docker Engine
sudo apt-mark unhold docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin docker-ce-rootless-extras
sudo apt purge docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin docker-ce-rootless-extras
sudo rm -rf /etc/docker
sudo rm -rf /var/lib/docker
sudo rm -rf /var/lib/containerd