At the time of writing, the current stable version of Docker is, 18.06.1, to print the Docker version type: docker -v Docker version 18.06.1-ce, build e68fc7aĮxecuting the Docker Command Without Sudoīy default managing, Docker requires administrator privileges.rvice - Docker Application Container Engine Loaded: loaded (/usr/lib/systemd/system/rvice enabled vendor preset: disabled) Active: active (running) since Wed 08:51:20 UTC 7s ago Docs: Main PID: 2492 (dockerd) CGroup: /system.slice/rvice ├─2492 /usr/bin/dockerd └─2498 docker-containerd -config /var/run/docker/containerd/containerd.toml.To verify that the Docker service is running type: sudo systemctl status dockerThe output should look something like this:.Once the Docker package is installed, start the Docker daemon and enable it to automatically start at boot time: sudo systemctl start docker sudo systemctl enable docker.Now that the Docker repository is enabled, install the latest version of Docker CE (Community Edition) using yum by typing: sudo yum install docker-ce.Next, run the following command which will add the Docker stable repository to your system: sudo yum-config-manager -add-repo.Start by updating your system packages and install the required dependencies: sudo yum update sudo yum install yum-utils device-mapper-persistent-data lvm2.To install Docker on your CentOS 7 server follow the steps below: The recommended approach is to install Docker from the Docker’s repositories. You are logged in as a non-root user with sudo privileges.Īlthough the Docker package is available in the official CentOS 7 repository, it may not always be the latest version.Prerequisitesīefore proceeding with this tutorial, make sure that the following prerequisites are met: In this tutorial, we’ll go through how to install Docker CE on CentOS 7 and explore the basic Docker concepts and commands.

Docker is a containerization technology that allows you to quickly build, test and deploy applications as portable, self-sufficient containers that can run virtually anywhere.

Docker centos 7 install