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moby--moby/docs/sources/installation/archlinux.rst
Renato Riccieri Santos Zannon b2084a9c59 Add IP forwarding config to archlinux guide
I had this small issue when following this guide on my Arch box, and I don't think it is specific to any configuration I have.
2013-05-30 01:56:08 -03:00

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:title: Installation on Arch Linux
:description: Docker installation on Arch Linux.
:keywords: arch linux, virtualization, docker, documentation, installation
.. _arch_linux:
Arch Linux
==========
Please note this is a community contributed installation path. The only 'official' installation is using the
:ref:`ubuntu_linux` installation path. This version may sometimes be out of date.
Installing on Arch Linux is not officially supported but can be handled via
either of the following AUR packages:
* `lxc-docker <https://aur.archlinux.org/packages/lxc-docker/>`_
* `lxc-docker-git <https://aur.archlinux.org/packages/lxc-docker-git/>`_
The lxc-docker package will install the latest tagged version of docker.
The lxc-docker-git package will build from the current master branch.
Dependencies
------------
Docker depends on several packages which are specified as dependencies in
either AUR package.
* aufs3
* bridge-utils
* go
* iproute2
* linux-aufs_friendly
* lxc
Installation
------------
The instructions here assume **yaourt** is installed. See
`Arch User Repository <https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages>`_
for information on building and installing packages from the AUR if you have not
done so before.
Keep in mind that if **linux-aufs_friendly** is not already installed that a
new kernel will be compiled and this can take quite a while.
::
yaourt -S lxc-docker-git
Starting Docker
---------------
Prior to starting docker modify your bootloader to use the
**linux-aufs_friendly** kernel and reboot your system.
There is a systemd service unit created for docker. To start the docker service:
::
sudo systemctl start docker
To start on system boot:
::
sudo systemctl enable docker
Network Configuration
---------------------
IPv4 packet forwarding is disabled by default on Arch, so internet access from inside
the container may not work.
To enable the forwarding, run as root on the host system:
::
sysctl net.ipv4.ip_forward=1
And, to make it persistent across reboots, enable it on the host's **/etc/sysctl.conf**:
::
net.ipv4.ip_forward=1