How To Install docker on CentOS 7
Introduction
In this tutorial we learn how to install docker
on CentOS 7.
What is docker
Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that will run virtually anywhere. Docker containers can encapsulate any payload, and will run consistently on and between virtually any server. The same container that a developer builds and tests on a laptop will run at scale, in production*, on VMs, bare-metal servers, OpenStack clusters, public instances, or combinations of the above.
We can use yum
or dnf
to install docker
on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install docker.
Install docker on CentOS 7 Using yum
Update yum database with yum
using the following command.
After updating yum database, We can install docker
using yum
by running the following command:
Install docker on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf
using the following command.
After updating yum database, We can install docker
using dnf
by running the following command:
How To Uninstall docker on CentOS 7
To uninstall only the docker
package we can use the following command:
References
Summary
In this tutorial we learn how to install docker
on CentOS 7 using yum
and dnf
.