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moby--moby/docs/installation/archlinux.md
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<!--[metadata]>
+++
title = "Installation on Arch Linux"
description = "Installation instructions for Docker on ArchLinux."
keywords = ["arch linux, virtualization, docker, documentation, installation"]
[menu.main]
parent = "smn_linux"
+++
<![end-metadata]-->
# Arch Linux
Installing on Arch Linux can be handled via the package in community:
- [docker](https://www.archlinux.org/packages/community/x86_64/docker/)
or the following AUR package:
- [docker-git](https://aur.archlinux.org/packages/docker-git/)
The docker package will install the latest tagged version of docker. The
docker-git package will build from the current master branch.
## Dependencies
Docker depends on several packages which are specified as dependencies
in the packages. The core dependencies are:
- bridge-utils
- device-mapper
- iproute2
- lxc
- sqlite
## Installation
For the normal package a simple
$ sudo pacman -S docker
is all that is needed.
For the AUR package execute:
$ yaourt -S docker-git
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.
## Starting Docker
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
## Custom daemon options
If you need to add an HTTP Proxy, set a different directory or partition for the
Docker runtime files, or make other customizations, read our systemd article to
learn how to [customize your systemd Docker daemon options](../articles/systemd.md).
## Running Docker with a manually-defined network
If you manually configure your network using `systemd-network` version 220 or
higher, containers you start with Docker may be unable to access your network.
Beginning with version 220, the forwarding setting for a given network
(`net.ipv4.conf.<interface>.forwarding`) defaults to *off*. This setting
prevents IP forwarding. It also conflicts with Docker which enables the
`net.ipv4.conf.all.forwarding` setting within a container.
To work around this, edit the `<interface>.network` file in
`/etc/systemd/network/` on your Docker host add the following block:
```
[Network]
...
IPForward=kernel
...
```
This configuration allows IP forwarding from the container as expected.
## Uninstallation
To uninstall the Docker package:
$ sudo pacman -R docker
To uninstall the Docker package and dependencies that are no longer needed:
$ sudo pacman -Rns docker
The above commands will not remove images, containers, volumes, or user created
configuration files on your host. If you wish to delete all images, containers,
and volumes run the following command:
$ rm -rf /var/lib/docker
You must delete the user created configuration files manually.