install docker 19.03 code example
Example 1: docker post installation steps linux
# 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
Example 2: intall docker ubuntu command
$ sudo apt-get update
$ sudo apt-get install docker-ce docker-ce-cli containerd.io