$ sudo yum-config-manager -add-repo Step 3 : Install Docker CEĪfter the Docker repository is available on your system, install Docker Community Edition (CE). The following command will add the Docker stable repository into your system. $ sudo yum install yum-utils device-mapper-persistent-data lvm2 Step 2 : Add Docker repository into system

user with Sudo privileges Installing Docker on CentOS Step 1 : Update and Install system packages.

CentOS 7 server with internet connectivity.

Learn how to use Docker, publish sample website Prerequisite.

Learn how to install Docker on Centos 7.

Containers are isolated from one another and bundle their own software, libraries, and configuration files they can communicate with each other through well-defined channels. Source code is available on Docker's GitHub page.Docker is a set of platform as a service products that use OS-level virtualization to deliver software in packages called containers. Visit Docker's official website for comprehensive information about the project including documentation. The finished builds can be found in the sig-cloud-images project, branched per version. The Docker images are built using ami_creator with the kickstart files in the sig-cloud-instance-build project. $ sudo docker run centos:latest cat /etc/centos-release Running a basic cat command using docker: REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZEĬentos centos6 a30bc9f3097e 3 days ago 215.8 MBĬentos latest dade6cb4530a 3 days ago 224 MBĬentos centos7 dade6cb4530a 3 days ago 224 MB To verify the images have been fetched locally:

To pull any other version of the CentOS image, for example CentOS 6: This command only pulls the image tagged centos:latest, which always points to the latest stable CentOS release, currently CentOS 7 ( centos:centos7).

To get the latest stable official CentOS image on Docker Hub: For more information, see this blog post by Dan Walsh. The docker packages intentionally omit the creation of the docker group, as it allows for trivial root escalation on the host.

Yum install docker centos 7