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moby--moby/docs/sources/installation/rhel.md
Brian (bex) Exelbierd 204e080932 Updated Red Hat Enterprise Linux installation instructions for version 7
Docker-DCO-1.1-Signed-off-by: Brian Exelbierd <bex@pobox.com> (github: bcexelbi)
2014-07-18 08:08:27 +02:00

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page_title: Installation on Red Hat Enterprise Linux
page_description: Installation instructions for Docker on Red Hat Enterprise Linux.
page_keywords: Docker, Docker documentation, requirements, linux, rhel, centos
# Red Hat Enterprise Linux 7
**Red Hat Enterprise Linux 7** has [shipped with
Docker](https://access.redhat.com/site/products/red-hat-enterprise-linux/docker-and-containers).
An overview and some guidance can be found in the [Release
Notes](https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.0_Release_Notes/chap-Red_Hat_Enterprise_Linux-7.0_Release_Notes-Linux_Containers_with_Docker_Format.html).
Docker is located in the *extras* channel. To install Docker:
1. Enable the *extras* channel:
$ sudo subscription-manager repos --enable=rhel-7-server-extras-rpms
2. Install Docker:
$ sudo yum install docker
Additional installation, configuration, and usage information,
including a [Get Started with Docker Containers in Red Hat
Enterprise Linux 7](https://access.redhat.com/site/articles/881893)
guide, can be found by Red Hat customers on the [Red Hat Customer
Portal](https://access.redhat.com/).
# Red Hat Enterprise Linux 6
Docker is available for **RHEL** on EPEL. 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
run only on the **64 bit** architecture.
You will need [RHEL
6.5](https://access.redhat.com/site/articles/3078#RHEL6) or higher, with
a RHEL 6 kernel version 2.6.32-431 or higher as this has specific kernel
fixes to allow Docker to work.
## Installation
Firstly, you need to install the EPEL repository. Please follow the
[EPEL installation
instructions](https://fedoraproject.org/wiki/EPEL#How_can_I_use_these_extra_packages.3F).
The `docker-io` package provides Docker on EPEL.
If you already have the (unrelated) `docker` package
installed, it will conflict with `docker-io`.
There's a [bug report](
https://bugzilla.redhat.com/show_bug.cgi?id=1043676) filed for it.
To proceed with `docker-io` installation, please remove `docker` first.
Next, let's install the `docker-io` package which
will install Docker on our host.
$ sudo yum -y install docker-io
To update the `docker-io` package
$ sudo yum -y update docker-io
Now that it's installed, let's start the Docker daemon.
$ sudo service docker start
If we want Docker to start at boot, we should also:
$ sudo chkconfig docker on
Now let's verify that Docker is working.
$ sudo docker run -i -t fedora /bin/bash
**Done!**
Continue with the [User Guide](/userguide/).
## Issues?
If you have any issues - please report them directly in the
[Red Hat Bugzilla for docker-io component](
https://bugzilla.redhat.com/enter_bug.cgi?product=Fedora%20EPEL&component=docker-io).