docker.md

docker engine install

in ubuntu or debian, just run apt install docker.io

OR

ubuntu version download from dists

1. lsb_release -a, check ubuntu code name,
2. select codename/pool/stable/amd64/ or /other-versions
3. download all updated deb version, then dpkg -i ***.deb
4. order: containerd, cli, ce, rootless, compose and scan.

permission

1. sudo groupadd docker
2. sudo usermod -aG docker $USER
3. newgrp docker
4. docker run hello-world
5. reboot