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Installing Docker CE
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21 mayo, 2019
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12 septiembre, 2019

This time I’m gonna show you how to install Docker CE on Fedora Server.

I will use Fedora because I will install the community edition… the installation of Fedora is not part of this post, also you may use other certified Linux distribution.

I recommend Fedora 29 for this installation because at the moment I’m writing this post there is not an available package for Fedora 30.

A quick installation requires the following steps to be completed:

  • SET UP THE REPOSITORY

First we have to install the dnf-plugins-core package which let us manage the DNF repositories:

$ sudo dnf -y install dnf-plugins-core

If you have access to root user then is not necessary to use sudo.

Now, lets set up the stable repository, we run the following command:

$ sudo dnf config-manager --add-repo https://download.docker.com/linux/fedora/docker-ce.repo

We should get a message about adding the repository.

If you want to add the nightly or test repositories you can check the following documentation.

  • INSTALL DOCKER CE

Now we have to install Docker, for that run the following command to install Docker and containerd:

$ sudo dnf install docker-ce docker-ce-cli containerd.io

The previous command creates the Docker group. Docker is not started.

  • STARTING DOCKER

To start Docker we must run the following command:

$ sudo systemctl start docker

If you want get the current state of Docker, you can run the following command:

$ sudo systemctl status docker
  • RUNNING YOUR FIRST DOCKER IMAGE

To verify your installation, let’s download and run a hello world image.

Run the following command:

$ sudo docker run hello-world

The previous command will download a test image and runs it in a container.

  • USEFUL COMMANDS

Get downloaded images:

$ sudo docker image ls

Get running containers:

$ sudo docker container ps

By the way… if you don’t want to use root user, just create another user and add it to the docker group.

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