Frequently Asked Questions to Install Docker on CentOS

How to install Docker on CentOS?

To install Docker on CentOS, the following commands should be used properly.

1. Execute the command yum update in the Root Menu.
2. Run the command yum install -y yum-utils device-mapper-persistent-data lvm2 for dependencies.
3. Execute the command yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo
4. Run the command yum install docker.

How to start the Docker Service on CentOS 7?

To start the Docker Service on CentOS 7, the following steps should be executed.

1. Open CentOS Terminal.
2. Execute the command systemctl start docker
3. Check the Active status by the command systemctl status docker

How do I know if Docker is installed on CentOS 8?

To know the Docker is already installed on the CentOS 8, the command docker -v can be used. If the Docker is present, then the version of the docker will be available. Otherwise, there will be an error message executed on the Terminal.

Quick Preview to Install Docker on CentOS:

• Installation of Docker on CentOS:

1. Open CentOS Terminal.
2. Execute the command yum update in the Root Menu.
3. Run the command yum install -y yum-utils device-mapper-persistent-data lvm2.
4. Execute the command yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo
5. Run the command yum install docker.

• Starting the Docker Service on CentOS:

1. Open CentOS Terminal.
2. Execute the command systemctl start docker
3. Run the command systemctl status docker to check the status.

While working on any large project application, no doubt many applications need to be executed with different kinds of dependencies & other packages. For a large project, there are many stages present by which a complete executable software goes through to mark its completion. The Installed Docker on CentOS helps to do the same.

Know more about Debian Linux here

If you are using open-source, Linux distributions CentOS, then the Installation of Docker is not that much of a complicated task. As CentOS is used for the Server, the Docker on CentOS can be a deadly combination. You have to just provide a series of commands to Install Docker on CentOS. The CentOS Terminal is itself sufficient enough to get your job done.

This article will focus on the Installation Steps of Docker on CentOS without having any kind of issues. So, let us start our discussion.

Know more about CentOS here, and how to install CentOS