@@ -4,23 +4,31 @@ page_keywords: Docker, Docker documentation, requirements, linux, centos, epel,

 # CentOS

-The Docker package is available via the EPEL repository. These

-instructions work for CentOS 6 and later. They will likely work for

+While the Docker package is provided by default as part of CentOS-7, 

+it is provided by a community repository for CentOS-6. Please note that 

+this changes the installation instructions slightly between versions. 

+ 

+These instructions work for CentOS 6 and later. They will likely work for

 other binary compatible EL6 distributions such as Scientific Linux, but

 they haven't been tested.

-Please note that this package is part of [Extra Packages for Enterprise

-Linux (EPEL)](https://fedoraproject.org/wiki/EPEL), a community effort

-to create and maintain additional packages for the RHEL distribution.

-

-Also note that due to the current Docker limitations, Docker is able to

+Please note that due to the current Docker limitations, Docker is able to

 run only on the **64 bit** architecture.

 To run Docker, you will need [CentOS6](http://www.centos.org) or higher,

 with a kernel version 2.6.32-431 or higher as this has specific kernel

 fixes to allow Docker to run.

-## Installation

+## Installing Docker - CentOS-7

+Docker is included by default in the CentOS-Extras repository. To install

+simply run the following command.

+

+    $ sudo yum install docker

+

+## Installing Docker - CentOS-6

+Please note that this for CentOS-6, this package is part of [Extra Packages

+for Enterprise Linux (EPEL)](https://fedoraproject.org/wiki/EPEL), a community effort

+to create and maintain additional packages for the RHEL distribution.

 Firstly, you need to ensure you have the EPEL repository enabled. Please

 follow the [EPEL installation instructions](

@@ -39,7 +47,9 @@ will install Docker on our host.

     $ sudo yum install docker-io

-Now that it's installed, let's start the Docker daemon.

+## Using Docker

+

+Once Docker is installed, you will need to start the docker daemon.

     $ sudo service docker start

@@ -50,7 +60,7 @@ If we want Docker to start at boot, we should also:

 Now let's verify that Docker is working. First we'll need to get the latest

 `centos` image.

-    $ sudo docker pull centos:latest

+    $ sudo docker pull centos

 Next we'll make sure that we can see the image by running:

@@ -69,6 +79,12 @@ Run a simple bash shell to test the image:

 If everything is working properly, you'll get a simple bash prompt. Type

 exit to continue.

+## Dockerfiles

+The CentOS Project provides a number of sample Dockerfiles which you may use

+either as templates or to familiarize yourself with docker. These templates

+are available on github at [https://github.com/CentOS/CentOS-Dockerfiles](

+https://github.com/CentOS/CentOS-Dockerfiles)

+

 **Done!** You can either continue with the [Docker User

 Guide](/userguide/) or explore and build on the images yourself.