![]() We can now set up the Docker repository: yum-config-manager -y -add-repo The device-mapper-persistent-data and lvm2 packages are necessary for the devicemapper storage driver: yum install -y yum-utils device-mapper-persistent-data lvm2 yum-utils will provide the yum-config-manager. Now that the older versions are removed, we can install required packages. If you are not sure, though, you should run the following to be safe: yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-selinux docker-engine-selinux docker-engine If you are certain there are none, you can skip the following command. yum updateįirst, we will want to make certain there are no older versions of Docker installed. Step 1: Updating all your softwareįirst off, let's make sure we're running on a totally clean system. Note that CentOS 7 requires at least 1 GB of RAM, which means that you will not be able to use the $5/mo Vultr plan. In this tutorial, you'll learn how to install Docker on CentOS 7. It was written in the Go programming language. Docker is an application that allows for deployment of software within virtual containers.
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