Installing Docker with script

Update your DNF package, as follows:

$ sudo dnf update

Running the Docker installation script

The Docker installation can also be done in a quick and easy way by executing the shell script and getting it from the official Docker website:

$ curl -fsSL https://get.docker.com/ | sh
+ sh -c 'sleep 3; dnf -y -q install docker-engine'

Start the Docker daemon:

$ sudo systemctl start docker

Docker run hello-world:

$ sudo docker run hello-world

To create a Docker group and add a user, follow the steps mentioned, as follows:

$ sudo groupadd docker 
$ sudo usermod -aG docker your_username

Log out and log in with the user to make sure that your user is created successfully:

$ docker run hello-world

In order to uninstall Docker, follow these steps:

# sudo dnf -y remove docker-engine.x86_64

The truncated output of the preceding command is listed as follows:

Dependencies resolved. Transaction Summary ================================================================ Remove 7 Packages Installed size: 57 M Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction ... Complete! [root@osboxes ~]# rm -rf /var/lib/docker