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docs/install/linux/docker-ee/ubuntu.md

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---
description: Instructions for installing Docker EE on Ubuntu
keywords: requirements, apt, installation, ubuntu, install, uninstall, upgrade, update
redirect_from:
- /engine/installation/ubuntulinux/
- /installation/ubuntulinux/
- /engine/installation/linux/ubuntulinux/
- /engine/installation/linux/docker-ee/ubuntu/
title: Get Docker EE for Ubuntu
toc_max: 4
---
To get started with Docker EE on Ubuntu, make sure you
[meet the prerequisites](#prerequisites), then
[install Docker](#install-docker-ee).
## Prerequisites
Docker CE users should go to
[Get Docker CE for Ubuntu](/install/linux/docker-ce/ubuntu.md)
**instead of this topic**.
To install Docker Enterprise Edition (Docker EE), you need to know the Docker EE
repository URL associated with your trial or subscription. These instructions
work for Docker EE for Ubuntu and for Docker EE for Linux, which includes access
to Docker EE for all Linux distributions. To get this information:
- Go to [https://hub.docker.com/my-content](https://hub.docker.com/my-content).
- Each subscription or trial you have access to is listed. Click the **Setup**
button for **Docker Enterprise Edition for Ubuntu**.
- Copy the URL from the field labeled
**Copy and paste this URL to download your Edition**.
Use this URL when you see the placeholder text `<DOCKER-EE-URL>`.
To learn more about Docker EE, see
[Docker Enterprise Edition](https://www.docker.com/enterprise-edition/){: target="_blank" class="_" }.
### System requirements
To learn more about software requirements and supported storage drivers,
check the [compatibility matrix](https://success.docker.com/article/compatibility-matrix).
### Uninstall old versions
Older versions of Docker were called `docker` or `docker-engine`. In addition,
if you are upgrading from Docker CE to Docker EE, remove the Docker CE package.
```bash
$ sudo apt-get remove docker docker-engine docker-ce docker.io
```
It's OK if `apt-get` reports that none of these packages are installed.
The contents of `/var/lib/docker/`, including images, containers, volumes, and
networks, are preserved. The Docker EE package is now called `docker-ee`.
#### Extra steps for aufs
If your version supports the `aufs` storage driver, you need some preparation
before installing Docker.
<ul class="nav nav-tabs">
<li class="active"><a data-toggle="tab" data-target="#aufs_prep_xenial">Xenial 16.04 or higher</a></li>
<li><a data-toggle="tab" data-target="#aufs_prep_trusty">Trusty 14.04</a></li>
</ul>
<div class="tab-content">
<div id="aufs_prep_xenial" class="tab-pane fade in active" markdown="1">
For Ubuntu 16.04 and higher, the Linux kernel includes support for overlay2,
and Docker EE uses it as the default storage driver. If you need
to use `aufs` instead, you need to configure it manually.
See [aufs](/engine/userguide/storagedriver/aufs-driver.md)
</div>
<div id="aufs_prep_trusty" class="tab-pane fade" markdown="1">
Unless you have a strong reason not to, install the
`linux-image-extra-*` packages, which allow Docker to use the `aufs` storage
drivers.
```bash
$ sudo apt-get update
$ sudo apt-get install \
linux-image-extra-$(uname -r) \
linux-image-extra-virtual
```
</div>
</div> <!-- tab-content -->
## Install Docker EE
You can install Docker EE in different ways, depending on your needs:
- Most users
[set up Docker's repositories](#install-using-the-repository) and install
from them, for ease of installation and upgrade tasks. This is the
recommended approach.
- Some users download the DEB package and install it manually and manage
upgrades completely manually. This is useful in situations such as installing
Docker on air-gapped systems with no access to the internet.
### Install using the repository
Before you install Docker EE for the first time on a new host machine, you need
to set up the Docker repository. Afterward, you can install and update Docker EE
from the repository.
#### Set up the repository
1. Update the `apt` package index:
```bash
$ sudo apt-get update
```
2. Install packages to allow `apt` to use a repository over HTTPS:
```bash
$ sudo apt-get install \
apt-transport-https \
ca-certificates \
curl \
software-properties-common
```
3. Temporarily add a `$DOCKER_EE_URL` variable into your environment. This
only persists until you log out of the session. Replace `<DOCKER-EE-URL>`
with the URL you noted down in the [prerequisites](#prerequisites).
```bash
$ DOCKER_EE_URL="<DOCKER-EE-URL>"
```
4. Temporarily add a `$DOCKER_EE_VERSION` variable into your environment.
> ***NOTE:*** If you need to run something other than Docker EE 2.0, please see the following instructions:
> * [18.03](https://docs.docker.com/v18.03/ee/supported-platforms/) - Older Docker EE Engine only release
> * [17.06](https://docs.docker.com/v17.06/engine/installation/) - Docker Enterprise Edition 2.0 (Docker Engine,
> UCP, and DTR).
```bash
$ DOCKER_EE_VERSION=18.09
```
5. Add Docker's official GPG key using your customer Docker EE repository URL:
```bash
$ curl -fsSL "${DOCKER_EE_URL}/ubuntu/gpg" | sudo apt-key add -
```
Verify that you now have the key with the fingerprint
`DD91 1E99 5A64 A202 E859 07D6 BC14 F10B 6D08 5F96`, by searching for the
last eight characters of the fingerprint. Use the command as-is. It works
because of the variable you set earlier.
```bash
$ sudo apt-key fingerprint 6D085F96
pub 4096R/0EBFCD88 2017-02-22
Key fingerprint = DD91 1E99 5A64 A202 E859 07D6 BC14 F10B 6D08 5F96
uid Docker Release (EE deb) <docker@docker.com>
sub 4096R/6D085F96 2017-02-22
```
6. Use the following command to set up the **stable** repository. Use the
command as-is. It works because of the variable you set earlier.
> **Note**: The `lsb_release -cs` sub-command below returns the name of your
> Ubuntu distribution, such as `xenial`.
>
```bash
$ sudo add-apt-repository \
"deb [arch=$(dpkg --print-architecture)] $DOCKER_EE_URL/ubuntu \
$(lsb_release -cs) \
stable-$DOCKER_EE_VERSION"
```
#### Install Docker EE
1. Update the `apt` package index.
```bash
$ sudo apt-get update
```
2. Install the latest version of Docker EE, or go to the next step to install a
specific version. Any existing installation of Docker EE is replaced.
Use this command to install the latest version of Docker EE:
```bash
$ sudo apt-get install docker-ee
```
> **Warning**: If you have multiple Docker repositories enabled, installing
> or updating without specifying a version in the `apt-get install` or
> `apt-get update` command always installs the highest possible version,
> which may not be appropriate for your stability needs.
{:.warning}
3. On production systems, you should install a specific version of Docker EE
instead of always using the latest. This output is truncated. List the
available versions.
```bash
$ apt-cache madison docker-ee
docker-ee | {{ site.docker_ee_version }}.0~ee-0~ubuntu-xenial | <DOCKER-EE-URL>/ubuntu xenial/stable amd64 Packages
```
The contents of the list depend upon which repositories are enabled,
and are specific to your version of Ubuntu (indicated by the `xenial`
suffix on the version, in this example). Choose a specific version to
install. The second column is the version string. The third column is the
repository name, which indicates which repository the package is from and
by extension its stability level. To install a specific version, append the
version string to the package name and separate them by an equals sign (`=`):
```bash
$ sudo apt-get install docker-ee=<VERSION>
```
The Docker daemon starts automatically.
4. Verify that Docker EE is installed correctly by running the `hello-world`
image.
```bash
$ sudo docker run hello-world
```
This command downloads a test image and runs it in a container. When the
container runs, it prints an informational message and exits.
Docker EE is installed and running. The `docker` group is created but no users
are added to it. You need to use `sudo` to run Docker
commands. Continue to [Linux postinstall](/install/linux/linux-postinstall.md) to allow
non-privileged users to run Docker commands and for other optional configuration
steps.
#### Upgrade Docker EE
To upgrade Docker EE:
1. If upgrading to a new major Docker EE version (such as when going from
Docker 18.03.x to Docker 18.09.x),
[add the new repository](#set-up-the-repository){: target="_blank" class="_" }.
2. Run `sudo apt-get update`.
3. Follow the
[installation instructions](#install-docker-ee), choosing the new version you want
to install.
### Install from a package
If you cannot use Docker's repository to install Docker EE, you can download the
`.deb` file for your release and install it manually. You need to download
a new file each time you want to upgrade Docker EE.
1. Go to the Docker EE repository URL associated with your
trial or subscription in your browser. Go to
`ubuntu/x86_64/stable-<VERSION>` and download the `.deb` file for the
Docker EE version and architecture you want to install.
2. Install Docker EE, changing the path below to the path where you downloaded
the Docker EE package.
```bash
$ sudo dpkg -i /path/to/package.deb
```
The Docker daemon starts automatically.
3. Verify that Docker EE is installed correctly by running the `hello-world`
image.
```bash
$ sudo docker run hello-world
```
This command downloads a test image and runs it in a container. When the
container runs, it prints an informational message and exits.
Docker EE is installed and running. The `docker` group is created but no users
are added to it. You need to use `sudo` to run Docker
commands. Continue to [Post-installation steps for Linux](/install/linux/linux-postinstall.md)
to allow non-privileged users to run Docker commands and for other optional
configuration steps.
#### Upgrade Docker EE
To upgrade Docker EE, download the newer package file and repeat the
[installation procedure](#install-from-a-package), pointing to the new file.
## Uninstall Docker EE
1. Uninstall the Docker EE package:
```bash
$ sudo apt-get purge docker-ee
```
2. Images, containers, volumes, or customized configuration files on your host
are not automatically removed. To delete all images, containers, and
volumes:
```bash
$ sudo rm -rf /var/lib/docker
```
You must delete any edited configuration files manually.
## Next steps
- Continue to [Post-installation steps for Linux](/install/linux/linux-postinstall.md).
- Continue with the [User Guide](/engine/userguide/index.md).
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