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Added manual installation instruction for Centos7. 

Added a note about firewalld.

Signed-off-by: Nicolas Goy <kuon@goyman.com>
This commit is contained in:
Nicolas Goy 2014-08-17 16:14:05 +02:00
parent 7afb98ad5d
commit d4a53a7bce
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34
docs/sources/installation/centos.md
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@ -4,10 +4,12 @@ page_keywords: Docker, Docker documentation, requirements, linux, centos, epel,
# CentOS
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.
While the Docker package is provided by default as part of CentOS-7,
it is provided by the EPEL repository for CentOS-6. Please note that
this changes the installation instructions slightly between versions. If you
need the latest version, you can always use the latest binary which works on
kernel 3.8 and above.
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.
@ -25,6 +27,30 @@ simply run the following command.
$ sudo yum install docker
### Manual installation of latest version
While using a package is the recommended way of installing Docker,
the above package might not be the latest version. If you need the latest
version, [you can install the binary directly](
https://docs.docker.com/installation/binaries/).
When installing the binary without a package, you may want
to integrate Docker with systemd. For this, simply install the two unit files
(service and socket) from [the github
repository](https://github.com/docker/docker/tree/master/contrib/init/systemd)
to `/etc/systemd/system`.
### FirewallD
CentOS-7 introduced firewalld, which is a wrapper around iptables and can
conflict with Docker.
When firewalld is started or restarted it will remove the `DOCKER` chain
from iptables, preventing Docker from working properly.
When using systemd, firewalld is started before Docker, but if you
start or restart firewalld after Docker, you will have to restart the Docker daemon.
## 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