173 lines
6.4 KiB
Markdown
173 lines
6.4 KiB
Markdown
<!--[metadata]>
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+++
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title = "Installation on Windows"
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description = "Docker installation on Microsoft Windows"
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keywords = ["Docker, Docker documentation, Windows, requirements, virtualbox, boot2docker"]
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[menu.main]
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parent = "smn_engine"
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+++
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<![end-metadata]-->
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# Windows
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> **Note:**
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> Docker has been tested on Windows 7 and 8.1; it may also run on older versions.
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> Your processor needs to support hardware virtualization.
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The Docker Engine uses Linux-specific kernel features, so to run it on Windows
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we need to use a lightweight virtual machine (VM). You use the **Windows Docker
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Client** to control the virtualized Docker Engine to build, run, and manage
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Docker containers.
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To make this process easier, we've designed a helper application called
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[Boot2Docker](https://github.com/boot2docker/boot2docker) creates a Linux virtual
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machine on Windows to run Docker on a Linux operating system.
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Although you will be using Windows Docker client, the docker engine hosting the
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containers will still be running on Linux. Until the Docker engine for Windows
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is developed, you can launch only Linux containers from your Windows machine.
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## Demonstration
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<iframe width="640" height="480" src="//www.youtube.com/embed/TjMU3bDX4vo?rel=0" frameborder="0" allowfullscreen></iframe>
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## Installation
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1. Download the latest release of the
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[Docker for Windows Installer](https://github.com/boot2docker/windows-installer/releases/latest).
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2. Run the installer, which will install Docker Client for Windows, VirtualBox,
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Git for Windows (MSYS-git), the boot2docker Linux ISO, and the Boot2Docker
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management tool.
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3. Run the **Boot2Docker Start** shortcut from your Desktop or “Program Files →
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Boot2Docker for Windows”.
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The Start script will ask you to enter an ssh key passphrase - the simplest
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(but least secure) is to just hit [Enter].
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4. The **Boot2Docker Start** will start a unix shell already configured to manage
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Docker running inside the virtual machine. Run `docker version` to see
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if it is working correctly:
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## Running Docker
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> **Note:** if you are using a remote Docker daemon, such as Boot2Docker,
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> then _do not_ type the `sudo` before the `docker` commands shown in the
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> documentation's examples.
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**Boot2Docker Start** will automatically start a shell with environment variables
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correctly set so you can start using Docker right away:
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Let's try the `hello-world` example image. Run
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$ docker run hello-world
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This should download the very small `hello-world` image and print a
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`Hello from Docker.` message.
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## Using Docker from Windows Command Line Prompt (cmd.exe)
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Launch a Windows Command Line Prompt (cmd.exe).
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Boot2Docker command requires `ssh.exe` to be in the PATH, therefore we need to
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include `bin` folder of the Git installation (which has ssh.exe) to the `%PATH%`
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environment variable by running:
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set PATH=%PATH%;"c:\Program Files (x86)\Git\bin"
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and then we can run the `boot2docker start` command to start the Boot2Docker VM.
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(Run `boot2docker init` command if you get an error saying machine does not
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exist.) Then copy the instructions for cmd.exe to set the environment variables
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to your console window and you are ready to run docker commands such as
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`docker ps`:
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## Using Docker from PowerShell
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Launch a PowerShell window, then you need to add `ssh.exe` to your PATH:
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$Env:Path = "${Env:Path};c:\Program Files (x86)\Git\bin"
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and after running `boot2docker start` command it will print PowerShell commands
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to set the environment variables to connect Docker running inside VM. Run these
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commands and you are ready to run docker commands such as `docker ps`:
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> NOTE: You can alternatively run `boot2docker shellinit | Invoke-Expression`
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> command to set the environment variables instead of copying and pasting on
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> PowerShell.
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# Further Details
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The Boot2Docker management tool provides several commands:
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$ boot2docker
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Usage: boot2docker.exe [<options>] {help|init|up|ssh|save|down|poweroff|reset|restart|config|status|info|ip|shellinit|delete|download|upgrade|version} [<args>]
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## Upgrading
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1. Download the latest release of the [Docker for Windows Installer](
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https://github.com/boot2docker/windows-installer/releases/latest)
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2. Run the installer, which will update the Boot2Docker management tool.
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3. To upgrade your existing virtual machine, open a terminal and run:
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boot2docker stop
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boot2docker download
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boot2docker start
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## Container port redirection
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If you are curious, the username for the boot2docker default user is `docker`
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and the password is `tcuser`.
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The latest version of `boot2docker` sets up a host only network adaptor which
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provides access to the container's ports.
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If you run a container with an exposed port:
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docker run --rm -i -t -p 80:80 nginx
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Then you should be able to access that nginx server using the IP address reported
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to you using:
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boot2docker ip
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Typically, it is 192.168.59.103, but it could get changed by VirtualBox's DHCP
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implementation.
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For further information or to report issues, please see the [Boot2Docker site](http://boot2docker.io)
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## Login with PUTTY instead of using the CMD
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Boot2Docker generates and uses the public/private key pair in your `%USERPROFILE%\.ssh`
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directory so to log in you need to use the private key from this same directory.
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The private key needs to be converted into the format PuTTY uses.
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You can do this with
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[puttygen](http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html):
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- Open `puttygen.exe` and load ("File"->"Load" menu) the private key from
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`%USERPROFILE%\.ssh\id_boot2docker`
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- then click: "Save Private Key".
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- Then use the saved file to login with PuTTY using `docker@127.0.0.1:2022`.
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## Uninstallation
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You can uninstall Boot2Docker using Window's standard process for removing programs.
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This process does not remove the `docker-install.exe` file. You must delete that file
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yourself.
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## References
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If you have Docker hosts running and if you don't wish to do a
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Boot2Docker installation, you can install the docker.exe using
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unofficial Windows package manager Chocolately. For information
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on how to do this, see [Docker package on Chocolatey](http://chocolatey.org/packages/docker).
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