Docker is a popular container platform software. In this post we are sharing the quick and easy way to install Docker on CentOS 7. We are using here Docker Engine Community edition which is free to use. The method of installing Docker is via repository which is also one of the recommended method.

Install prerequisites

Install prerequisites by using yum command.

yum install -y yum-utils device-mapper-persistent-data lvm2

Add Docker yum repo

Run the given below command to add the docker yum repo file. It will be created in /etc/yum.repos.d/ location in system.

yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

Install Docker by yum

The given below command will install the latest Docker version.

yum install -y docker-ce docker-ce-cli containerd.io

Start/Enable Docker Service

Start the docker service by running this command.

systemctl start docker

To enable docker service on every system boot/reboot.

systemctl enable docker

Restart/Stop/status/Disable of Docker Service

Restart the docker service by running this command.

systemctl restart docker

To stop the docker service.

systemctl stop docker

To check status of docker service.

systemctl status docker

Disable docker service so that it should not start when system boot/reboot.

systemctl enable docker