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82 lines
2.8 KiB
Markdown
82 lines
2.8 KiB
Markdown
page_title: Installation on openSUSE and SUSE Linux Enterprise
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page_description: Installation instructions for Docker on openSUSE and on SUSE Linux Enterprise.
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page_keywords: openSUSE, SUSE Linux Enterprise, SUSE, SLE, docker, documentation, installation
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# openSUSE
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Docker is available in **openSUSE 12.3 and later**. Please note that due
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to its current limitations Docker is able to run only **64 bit** architecture.
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Docker is not part of the official repositories of openSUSE 12.3 and
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openSUSE 13.1. Hence it is necessary to add the [Virtualization
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repository](https://build.opensuse.org/project/show/Virtualization) from
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[OBS](https://build.opensuse.org/) to install the `docker` package.
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Execute one of the following commands to add the Virtualization repository:
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# openSUSE 12.3
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$ sudo zypper ar -f http://download.opensuse.org/repositories/Virtualization/openSUSE_12.3/ Virtualization
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# openSUSE 13.1
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$ sudo zypper ar -f http://download.opensuse.org/repositories/Virtualization/openSUSE_13.1/ Virtualization
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No extra repository is required for openSUSE 13.2 and later.
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# SUSE Linux Enterprise
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Docker is available in **SUSE Linux Enterprise 12 and later**. Please note that
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due to its current limitations Docker is able to run only on **64 bit**
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architecture.
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# Installation
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Install the Docker package.
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$ sudo zypper in docker
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Now that it's installed, let's start the Docker daemon.
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$ sudo systemctl start docker
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If we want Docker to start at boot, we should also:
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$ sudo systemctl enable docker
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The docker package creates a new group named docker. Users, other than
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root user, need to be part of this group in order to interact with the
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Docker daemon. You can add users with:
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$ sudo /usr/sbin/usermod -a -G docker <username>
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To verify that everything has worked as expected:
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$ sudo docker run --rm -i -t opensuse /bin/bash
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This should download and import the `opensuse` image, and then start `bash` in
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a container. To exit the container type `exit`.
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If you want your containers to be able to access the external network you must
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enable the `net.ipv4.ip_forward` rule.
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This can be done using YaST by browsing to the
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`Network Devices -> Network Settings -> Routing` menu and ensuring that the
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`Enable IPv4 Forwarding` box is checked.
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This option cannot be changed when networking is handled by the Network Manager.
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In such cases the `/etc/sysconfig/SuSEfirewall2` file needs to be edited by
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hand to ensure the `FW_ROUTE` flag is set to `yes` like so:
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FW_ROUTE="yes"
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**Done!**
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## Custom daemon options
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If you need to add an HTTP Proxy, set a different directory or partition for the
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Docker runtime files, or make other customizations, read our systemd article to
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learn how to [customize your systemd Docker daemon options](/articles/systemd/).
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## What's next
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Continue with the [User Guide](/userguide/).
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