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Merge pull request #4281 from unclejack/remove_vagrantfile

Remove Vagrantfile and remove it from all docs
Guillaume J. Charmes 11 rokov pred
rodič
commit
8cfa7715c7

+ 1 - 0
.gitignore

@@ -22,3 +22,4 @@ bundles/
 .git/
 .git/
 vendor/pkg/
 vendor/pkg/
 pyenv
 pyenv
+Vagrantfile

+ 0 - 1
MAINTAINERS

@@ -6,4 +6,3 @@ Michael Crosby <michael@crosbymichael.com> (@crosbymichael)
 api.go: Victor Vieux <victor@dotcloud.com> (@vieux)
 api.go: Victor Vieux <victor@dotcloud.com> (@vieux)
 Dockerfile: Tianon Gravi <admwiggin@gmail.com> (@tianon)
 Dockerfile: Tianon Gravi <admwiggin@gmail.com> (@tianon)
 Makefile: Tianon Gravi <admwiggin@gmail.com> (@tianon)
 Makefile: Tianon Gravi <admwiggin@gmail.com> (@tianon)
-Vagrantfile: Cristian Staretu <cristian.staretu@gmail.com> (@unclejack)

+ 0 - 206
Vagrantfile

@@ -1,206 +0,0 @@
-# -*- mode: ruby -*-
-# vi: set ft=ruby :
-
-BOX_NAME = ENV['BOX_NAME'] || "ubuntu"
-BOX_URI = ENV['BOX_URI'] || "http://files.vagrantup.com/precise64.box"
-VF_BOX_URI = ENV['BOX_URI'] || "http://files.vagrantup.com/precise64_vmware_fusion.box"
-AWS_BOX_URI = ENV['BOX_URI'] || "https://github.com/mitchellh/vagrant-aws/raw/master/dummy.box"
-AWS_REGION = ENV['AWS_REGION'] || "us-east-1"
-AWS_AMI = ENV['AWS_AMI'] || "ami-69f5a900"
-AWS_INSTANCE_TYPE = ENV['AWS_INSTANCE_TYPE'] || 't1.micro'
-SSH_PRIVKEY_PATH = ENV['SSH_PRIVKEY_PATH']
-PRIVATE_NETWORK = ENV['PRIVATE_NETWORK']
-
-# Boolean that forwards the Docker dynamic ports 49000-49900
-# See http://docs.docker.io/en/latest/use/port_redirection/ for more
-# $ FORWARD_DOCKER_PORTS=1 vagrant [up|reload]
-FORWARD_DOCKER_PORTS = ENV['FORWARD_DOCKER_PORTS']
-VAGRANT_RAM = ENV['VAGRANT_RAM'] || 512
-VAGRANT_CORES = ENV['VAGRANT_CORES'] || 1
-
-# You may also provide a comma-separated list of ports
-# for Vagrant to forward. For example:
-# $ FORWARD_PORTS=8080,27017 vagrant [up|reload]
-FORWARD_PORTS = ENV['FORWARD_PORTS']
-
-# A script to upgrade from the 12.04 kernel to the raring backport kernel (3.8)
-# and install docker.
-$script = <<SCRIPT
-# The username to add to the docker group will be passed as the first argument
-# to the script.  If nothing is passed, default to "vagrant".
-user="$1"
-if [ -z "$user" ]; then
-    user=vagrant
-fi
-
-# Enable memory cgroup and swap accounting
-sed -i 's/GRUB_CMDLINE_LINUX=""/GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1"/g' /etc/default/grub
-update-grub
-
-# Adding an apt gpg key is idempotent.
-apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
-
-# Creating the docker.list file is idempotent, but it may overwrite desired
-# settings if it already exists.  This could be solved with md5sum but it
-# doesn't seem worth it.
-echo 'deb http://get.docker.io/ubuntu docker main' > \
-    /etc/apt/sources.list.d/docker.list
-
-# Update remote package metadata.  'apt-get update' is idempotent.
-apt-get update -q
-
-# Install docker.  'apt-get install' is idempotent.
-apt-get install -q -y lxc-docker
-
-usermod -a -G docker "$user"
-
-tmp=`mktemp -q` && {
-    # Only install the backport kernel, don't bother upgrading if the backport is
-    # already installed.  We want parse the output of apt so we need to save it
-    # with 'tee'.  NOTE: The installation of the kernel will trigger dkms to
-    # install vboxguest if needed.
-    apt-get install -q -y --no-upgrade linux-image-generic-lts-raring | \
-        tee "$tmp"
-
-    # Parse the number of installed packages from the output
-    NUM_INST=`awk '$2 == "upgraded," && $4 == "newly" { print $3 }' "$tmp"`
-    rm "$tmp"
-}
-
-# If the number of installed packages is greater than 0, we want to reboot (the
-# backport kernel was installed but is not running).
-if [ "$NUM_INST" -gt 0 ];
-then
-    echo "Rebooting down to activate new kernel."
-    echo "/vagrant will not be mounted.  Use 'vagrant halt' followed by"
-    echo "'vagrant up' to ensure /vagrant is mounted."
-    shutdown -r now
-fi
-SCRIPT
-
-# We need to install the virtualbox guest additions *before* we do the normal
-# docker installation.  As such this script is prepended to the common docker
-# install script above.  This allows the install of the backport kernel to
-# trigger dkms to build the virtualbox guest module install.
-$vbox_script = <<VBOX_SCRIPT + $script
-# Install the VirtualBox guest additions if they aren't already installed.
-if [ ! -d /opt/VBoxGuestAdditions-4.3.6/ ]; then
-    # Update remote package metadata.  'apt-get update' is idempotent.
-    apt-get update -q
-
-    # Kernel Headers and dkms are required to build the vbox guest kernel
-    # modules.
-    apt-get install -q -y linux-headers-generic-lts-raring dkms
-
-    echo 'Downloading VBox Guest Additions...'
-    wget -cq http://dlc.sun.com.edgesuite.net/virtualbox/4.3.6/VBoxGuestAdditions_4.3.6.iso
-    echo "95648fcdb5d028e64145a2fe2f2f28c946d219da366389295a61fed296ca79f0  VBoxGuestAdditions_4.3.6.iso" | sha256sum --check || exit 1
-
-    mount -o loop,ro /home/vagrant/VBoxGuestAdditions_4.3.6.iso /mnt
-    /mnt/VBoxLinuxAdditions.run --nox11
-    umount /mnt
-fi
-VBOX_SCRIPT
-
-Vagrant::Config.run do |config|
-  # Setup virtual machine box. This VM configuration code is always executed.
-  config.vm.box = BOX_NAME
-  config.vm.box_url = BOX_URI
-
-  # Use the specified private key path if it is specified and not empty.
-  if SSH_PRIVKEY_PATH
-      config.ssh.private_key_path = SSH_PRIVKEY_PATH
-  end
-
-  config.ssh.forward_agent = true
-end
-
-# Providers were added on Vagrant >= 1.1.0
-#
-# NOTE: The vagrant "vm.provision" appends its arguments to a list and executes
-# them in order.  If you invoke "vm.provision :shell, :inline => $script"
-# twice then vagrant will run the script two times.  Unfortunately when you use
-# providers and the override argument to set up provisioners (like the vbox
-# guest extensions) they 1) don't replace the other provisioners (they append
-# to the end of the list) and 2) you can't control the order the provisioners
-# are executed (you can only append to the list).  If you want the virtualbox
-# only script to run before the other script, you have to jump through a lot of
-# hoops.
-#
-# Here is my only repeatable solution: make one script that is common ($script)
-# and another script that is the virtual box guest *prepended* to the common
-# script.  Only ever use "vm.provision" *one time* per provider.  That means
-# every single provider has an override, and every single one configures
-# "vm.provision".  Much saddness, but such is life.
-Vagrant::VERSION >= "1.1.0" and Vagrant.configure("2") do |config|
-  config.vm.provider :aws do |aws, override|
-    username = "ubuntu"
-    override.vm.box_url = AWS_BOX_URI
-    override.vm.provision :shell, :inline => $script, :args => username
-    aws.access_key_id = ENV["AWS_ACCESS_KEY"]
-    aws.secret_access_key = ENV["AWS_SECRET_KEY"]
-    aws.keypair_name = ENV["AWS_KEYPAIR_NAME"]
-    override.ssh.username = username
-    aws.region = AWS_REGION
-    aws.ami    = AWS_AMI
-    aws.instance_type = AWS_INSTANCE_TYPE
-  end
-
-  config.vm.provider :rackspace do |rs, override|
-    override.vm.provision :shell, :inline => $script
-    rs.username = ENV["RS_USERNAME"]
-    rs.api_key  = ENV["RS_API_KEY"]
-    rs.public_key_path = ENV["RS_PUBLIC_KEY"]
-    rs.flavor   = /512MB/
-    rs.image    = /Ubuntu/
-  end
-
-  config.vm.provider :vmware_fusion do |f, override|
-    override.vm.box_url = VF_BOX_URI
-    override.vm.synced_folder ".", "/vagrant", disabled: true
-    override.vm.provision :shell, :inline => $script
-    f.vmx["displayName"] = "docker"
-  end
-
-  config.vm.provider :virtualbox do |vb, override|
-    override.vm.provision :shell, :inline => $vbox_script
-    vb.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
-    vb.customize ["modifyvm", :id, "--natdnsproxy1", "on"]
-    vb.customize ["modifyvm", :id, "--memory", VAGRANT_RAM]
-    vb.customize ["modifyvm", :id, "--cpus", VAGRANT_CORES]
-  end
-end
-
-# If this is a version 1 config, virtualbox is the only option.  A version 2
-# config would have already been set in the above provider section.
-Vagrant::VERSION < "1.1.0" and Vagrant::Config.run do |config|
-  config.vm.provision :shell, :inline => $vbox_script
-end
-
-# Setup port forwarding per loaded environment variables
-forward_ports = FORWARD_DOCKER_PORTS.nil? ? [] : [*49153..49900]
-forward_ports += FORWARD_PORTS.split(',').map{|i| i.to_i } if FORWARD_PORTS
-if forward_ports.any?
-  Vagrant::VERSION < "1.1.0" and Vagrant::Config.run do |config|
-    forward_ports.each do |port|
-      config.vm.forward_port port, port
-    end
-  end
-
-  Vagrant::VERSION >= "1.1.0" and Vagrant.configure("2") do |config|
-    forward_ports.each do |port|
-      config.vm.network :forwarded_port, :host => port, :guest => port, auto_correct: true
-    end
-  end
-end
-
-if !PRIVATE_NETWORK.nil?
-  Vagrant::VERSION < "1.1.0" and Vagrant::Config.run do |config|
-    config.vm.network :hostonly, PRIVATE_NETWORK
-  end
-
-  Vagrant::VERSION >= "1.1.0" and Vagrant.configure("2") do |config|
-    config.vm.network "private_network", ip: PRIVATE_NETWORK
-  end
-end
-

+ 0 - 8
docs/sources/contributing/devenvironment.rst

@@ -92,14 +92,6 @@ To execute the test cases, run this command:
 
 
 	sudo make test
 	sudo make test
 
 
-
-Note: if you're running the tests in vagrant, you need to specify a dns entry in 
-the command (either edit the Makefile, or run the step manually): 
-
-.. code-block:: bash
-
-	sudo docker run -dns 8.8.8.8 -privileged -v `pwd`:/go/src/github.com/dotcloud/docker docker hack/make.sh test
-
 If the test are successful then the tail of the output should look something like this
 If the test are successful then the tail of the output should look something like this
 
 
 .. code-block:: bash
 .. code-block:: bash

+ 3 - 3
docs/sources/faq.rst

@@ -25,9 +25,9 @@ Does Docker run on Mac OS X or Windows?
 
 
    Not at this time, Docker currently only runs on Linux, but you can
    Not at this time, Docker currently only runs on Linux, but you can
    use VirtualBox to run Docker in a virtual machine on your box, and
    use VirtualBox to run Docker in a virtual machine on your box, and
-   get the best of both worlds. Check out the
-   :ref:`macosx` and :ref:`windows` installation
-   guides.
+   get the best of both worlds. Check out the :ref:`macosx` and
+   :ref:`windows` installation guides. The small Linux distribution boot2docker
+   can be run inside virtual machines on these two operating systems.
 
 
 How do containers compare to virtual machines?
 How do containers compare to virtual machines?
 ..............................................
 ..............................................

+ 1 - 1
docs/sources/index.rst

@@ -24,6 +24,6 @@ For a high-level overview of Docker, please see the `Introduction
 Docker, we have a `quick start <http://www.docker.io/gettingstarted>`_
 Docker, we have a `quick start <http://www.docker.io/gettingstarted>`_
 and a more in-depth guide to :ref:`ubuntu_linux` and other
 and a more in-depth guide to :ref:`ubuntu_linux` and other
 :ref:`installation_list` paths including prebuilt binaries,
 :ref:`installation_list` paths including prebuilt binaries,
-Vagrant-created VMs, Rackspace and Amazon instances.
+Rackspace and Amazon instances.
 
 
 Enough reading! :ref:`Try it out! <running_examples>`
 Enough reading! :ref:`Try it out! <running_examples>`

+ 1 - 110
docs/sources/installation/amazon.rst

@@ -10,8 +10,7 @@ Amazon EC2
 There are several ways to install Docker on AWS EC2:
 There are several ways to install Docker on AWS EC2:
 
 
 * :ref:`amazonquickstart` or
 * :ref:`amazonquickstart` or
-* :ref:`amazonstandard` or
-* :ref:`amazonvagrant`
+* :ref:`amazonstandard`
 
 
 **You'll need an** `AWS account <http://aws.amazon.com/>`_ **first, of course.**
 **You'll need an** `AWS account <http://aws.amazon.com/>`_ **first, of course.**
 
 
@@ -73,112 +72,4 @@ running Ubuntu. Just follow Step 1 from :ref:`amazonquickstart` to
 pick an image (or use one of your own) and skip the step with the
 pick an image (or use one of your own) and skip the step with the
 *User Data*. Then continue with the :ref:`ubuntu_linux` instructions.
 *User Data*. Then continue with the :ref:`ubuntu_linux` instructions.
 
 
-.. _amazonvagrant:
-
-Use Vagrant
------------
-
-.. include:: install_unofficial.inc
-  
-And finally, if you prefer to work through Vagrant, you can install
-Docker that way too. Vagrant 1.1 or higher is required.
-
-1. Install vagrant from http://www.vagrantup.com/ (or use your package manager)
-2. Install the vagrant aws plugin
-
-   ::
-
-       vagrant plugin install vagrant-aws
-
-
-3. Get the docker sources, this will give you the latest Vagrantfile.
-
-   ::
-
-      git clone https://github.com/dotcloud/docker.git
-
-
-4. Check your AWS environment.
-
-   Create a keypair specifically for EC2, give it a name and save it
-   to your disk. *I usually store these in my ~/.ssh/ folder*.
-
-   Check that your default security group has an inbound rule to
-   accept SSH (port 22) connections.
-
-5. Inform Vagrant of your settings
-
-   Vagrant will read your access credentials from your environment, so
-   we need to set them there first. Make sure you have everything on
-   amazon aws setup so you can (manually) deploy a new image to EC2.
-
-   Note that where possible these variables are the same as those honored by
-   the ec2 api tools.
-   ::
-
-       export AWS_ACCESS_KEY=xxx
-       export AWS_SECRET_KEY=xxx
-       export AWS_KEYPAIR_NAME=xxx
-       export SSH_PRIVKEY_PATH=xxx
-
-       export BOX_NAME=xxx
-       export AWS_REGION=xxx
-       export AWS_AMI=xxx
-       export AWS_INSTANCE_TYPE=xxx
-
-   The required environment variables are:
-
-   * ``AWS_ACCESS_KEY`` - The API key used to make requests to AWS
-   * ``AWS_SECRET_KEY`` - The secret key to make AWS API requests
-   * ``AWS_KEYPAIR_NAME`` - The name of the keypair used for this EC2 instance
-   * ``SSH_PRIVKEY_PATH`` - The path to the private key for the named
-     keypair, for example ``~/.ssh/docker.pem``
-
-   There are a number of optional environment variables:
-
-   * ``BOX_NAME`` - The name of the vagrant box to use.  Defaults to
-     ``ubuntu``.
-   * ``AWS_REGION`` - The aws region to spawn the vm in.  Defaults to
-     ``us-east-1``.
-   * ``AWS_AMI`` - The aws AMI to start with as a base.  This must be
-     be an ubuntu 12.04 precise image.  You must change this value if
-     ``AWS_REGION`` is set to a value other than ``us-east-1``.
-     This is because AMIs are region specific.  Defaults to ``ami-69f5a900``.
-   * ``AWS_INSTANCE_TYPE`` - The aws instance type.  Defaults to ``t1.micro``.
-
-   You can check if they are set correctly by doing something like
-
-   ::
-
-      echo $AWS_ACCESS_KEY
-
-6. Do the magic!
-
-   ::
-
-      vagrant up --provider=aws
-
-
-   If it stalls indefinitely on ``[default] Waiting for SSH to become
-   available...``, Double check your default security zone on AWS
-   includes rights to SSH (port 22) to your container.
-
-   If you have an advanced AWS setup, you might want to have a look at
-   `vagrant-aws <https://github.com/mitchellh/vagrant-aws>`_.
-
-7. Connect to your machine
-
-   .. code-block:: bash
-
-      vagrant ssh
-
-8. Your first command
-
-   Now you are in the VM, run docker
-
-   .. code-block:: bash
-
-      sudo docker
-
-
 Continue with the :ref:`hello_world` example.
 Continue with the :ref:`hello_world` example.

+ 31 - 182
docs/sources/installation/windows.rst

@@ -1,223 +1,72 @@
 :title: Installation on Windows
 :title: Installation on Windows
 :description: Please note this project is currently under heavy development. It should not be used in production.
 :description: Please note this project is currently under heavy development. It should not be used in production.
-:keywords: Docker, Docker documentation, Windows, requirements, virtualbox, vagrant, git, ssh, putty, cygwin
+:keywords: Docker, Docker documentation, Windows, requirements, virtualbox, boot2docker
 
 
 .. _windows:
 .. _windows:
 
 
 Windows
 Windows
 =======
 =======
 
 
-Docker can run on Windows using a VM like VirtualBox. You then run
-Linux within the VM.
+Docker can run on Windows using a virtualization platform like VirtualBox. A Linux
+distribution is run inside a virtual machine and that's where Docker will run. 
 
 
 Installation
 Installation
 ------------
 ------------
 
 
 .. include:: install_header.inc
 .. include:: install_header.inc
 
 
-.. include:: install_unofficial.inc
+1. Install virtualbox from https://www.virtualbox.org - or follow this `tutorial <http://www.slideshare.net/julienbarbier42/install-virtualbox-on-windows-7>`_.
 
 
-1. Install virtualbox from https://www.virtualbox.org - or follow this tutorial__
+2. Download the latest boot2docker.iso from https://github.com/boot2docker/boot2docker/releases.
 
 
-.. __: http://www.slideshare.net/julienbarbier42/install-virtualbox-on-windows-7
+3. Start VirtualBox.
 
 
-2. Install vagrant from http://www.vagrantup.com - or follow this tutorial__
+4. Create a new Virtual machine with the following settings:
 
 
-.. __: http://www.slideshare.net/julienbarbier42/install-vagrant-on-windows-7
+ - `Name: boot2docker`
+ - `Type: Linux`
+ - `Version: Linux 2.6 (64 bit)`
+ - `Memory size: 1024 MB`
+ - `Hard drive: Do not add a virtual hard drive`
 
 
-3. Install git with ssh from http://git-scm.com/downloads - or follow this tutorial__
+5. Open the settings of the virtual machine:
 
 
-.. __: http://www.slideshare.net/julienbarbier42/install-git-with-ssh-on-windows-7
+   5.1. go to Storage
 
 
+   5.2. click the empty slot below `Controller: IDE`
 
 
-We recommend having at least 2Gb of free disk space and 2Gb of RAM (or more).
+   5.3. click the disc icon on the right of `IDE Secondary Master`
 
 
-Opening a command prompt
-------------------------
+   5.4. click `Choose a virtual CD/DVD disk file`
 
 
-First open a cmd prompt. Press Windows key and then press “R”
-key. This will open the RUN dialog box for you. Type “cmd” and press
-Enter. Or you can click on Start, type “cmd” in the “Search programs
-and files” field, and click on cmd.exe.
+6. Browse to the path where you've saved the `boot2docker.iso`, select the `boot2docker.iso` and click open.
 
 
-.. image:: images/win/_01.gif
-   :alt: Git install
-   :align: center
+7. Click OK on the Settings dialog to save the changes and close the window.
 
 
-This should open a cmd prompt window.
+8. Start the virtual machine by clicking the green start button.
 
 
-.. image:: images/win/_02.gif
-   :alt: run docker
-   :align: center
-
-Alternatively, you can also use a Cygwin terminal, or Git Bash (or any
-other command line program you are usually using). The next steps
-would be the same.
-
-.. _launch_ubuntu:
-
-Launch an Ubuntu virtual server
--------------------------------
-
-Let’s download and run an Ubuntu image with docker binaries already
-installed.
-
-.. code-block:: bash
-
-	git clone https://github.com/dotcloud/docker.git 
-	cd docker
-	vagrant up
-
-.. image:: images/win/run_02_.gif
-   :alt: run docker
-   :align: center
-
-Congratulations! You are running an Ubuntu server with docker
-installed on it. You do not see it though, because it is running in
-the background.
-
-Log onto your Ubuntu server
----------------------------
-
-Let’s log into your Ubuntu server now. To do so you have two choices:
-
-- Use Vagrant on Windows command prompt OR
-- Use SSH
-
-Using Vagrant on Windows Command Prompt
-```````````````````````````````````````
-
-Run the following command
-
-.. code-block:: bash
-
-	vagrant ssh
-
-You may see an error message starting with “`ssh` executable not
-found”. In this case it means that you do not have SSH in your
-PATH. If you do not have SSH in your PATH you can set it up with the
-“set” command. For instance, if your ssh.exe is in the folder named
-“C:\Program Files (x86)\Git\bin”, then you can run the following
-command:
-
-.. code-block:: bash
-
-	set PATH=%PATH%;C:\Program Files (x86)\Git\bin
-
-.. image:: images/win/run_03.gif
-   :alt: run docker
-   :align: center
-
-Using SSH
-`````````
-
-First step is to get the IP and port of your Ubuntu server. Simply run:
-
-.. code-block:: bash
-
-	vagrant ssh-config 
-
-You should see an output with HostName and Port information. In this
-example, HostName is 127.0.0.1 and port is 2222. And the User is
-“vagrant”. The password is not shown, but it is also “vagrant”.
-
-.. image:: images/win/ssh-config.gif
-   :alt: run docker
-   :align: center
-
-You can now use this information for connecting via SSH to your
-server. To do so you can:
-
-- Use putty.exe OR
-- Use SSH from a terminal
-
-Use putty.exe
-'''''''''''''
-
-You can download putty.exe from this page
-http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html Launch
-putty.exe and simply enter the information you got from last step.
-
-.. image:: images/win/putty.gif
-   :alt: run docker
-   :align: center
-
-Open, and enter user = vagrant and password = vagrant.
-
-.. image:: images/win/putty_2.gif
-   :alt: run docker
-   :align: center
-
-SSH from a terminal
-'''''''''''''''''''
-
-You can also run this command on your favorite terminal (windows
-prompt, cygwin, git-bash, …). Make sure to adapt the IP and port from
-what you got from the vagrant ssh-config command.
-
-.. code-block:: bash
-
-	ssh vagrant@127.0.0.1 –p 2222
-
-Enter user = vagrant and password = vagrant.
-
-.. image:: images/win/cygwin.gif
-   :alt: run docker
-   :align: center
-
-Congratulations, you are now logged onto your Ubuntu Server, running
-on top of your Windows machine !
+9. The boot2docker virtual machine should boot now.
 
 
 Running Docker
 Running Docker
 --------------
 --------------
 
 
-First you have to be root in order to run docker. Simply run the
-following command:
-
-.. code-block:: bash
+boot2docker will log you in automatically so you can start using Docker right
+away.
 
 
-	sudo su
-
-You are now ready for the docker’s “hello world” example. Run
+Let's try the “hello world” example. Run
 
 
 .. code-block:: bash
 .. code-block:: bash
 
 
 	docker run busybox echo hello world
 	docker run busybox echo hello world
 
 
-.. image:: images/win/run_04.gif
-   :alt: run docker
-   :align: center
-
-All done!
-
-Now you can continue with the :ref:`hello_world` example.
+This will download the small busybox image and print hello world.
 
 
-Troubleshooting
----------------
 
 
-VM does not boot
-````````````````
-
-.. image:: images/win/ts_go_bios.JPG
-
-If you run into this error message "The VM failed to remain in the
-'running' state while attempting to boot", please check that your
-computer has virtualization technology available and activated by
-going to the BIOS. Here's an example for an HP computer (System
-configuration / Device configuration)
-
-.. image:: images/win/hp_bios_vm.JPG
-
-On some machines the BIOS menu can only be accessed before startup.
-To access BIOS in this scenario you should restart your computer and 
-press ESC/Enter when prompted to access the boot and BIOS controls. Typically
-the option to allow virtualization is contained within the BIOS/Security menu.
-
-Docker is not installed
-```````````````````````
+Observations
+------------
 
 
-.. image:: images/win/ts_no_docker.JPG
+Persistent storage
+``````````````````
 
 
-If you run into this error message "The program 'docker' is currently
-not installed", try deleting the docker folder and restart from
-:ref:`launch_ubuntu`
+The virtual machine created above lacks any persistent data storage. All images
+and containers will be lost when shutting down or rebooting the VM.