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Docker-DCO-1.1-Signed-off-by: O.S. Tezer <ostezer@gmail.com> (github: ostezer) 1. All titles are listed by simple platform names apart from Windows' "Installing Docker On Windows". Changed this to "Windows" to match the rest. 2. Some articles' description (and title) information does not match the majority. Modified them to match the rest (i.e. Please note this project is currently under heavy development. It should not be used in production.) 3. Removed "Linux" from Gentoo & Ubuntu descriptions.
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:title: Installation on Rackspace Cloud
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:description: Please note this project is currently under heavy development. It should not be used in production.
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:keywords: Rackspace Cloud, installation, docker, linux, ubuntu
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Rackspace Cloud
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===============
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.. include:: install_unofficial.inc
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Installing Docker on Ubuntu provided by Rackspace is pretty
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straightforward, and you should mostly be able to follow the
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:ref:`ubuntu_linux` installation guide.
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**However, there is one caveat:**
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If you are using any Linux not already shipping with the 3.8 kernel
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you will need to install it. And this is a little more difficult on
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Rackspace.
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Rackspace boots their servers using grub's ``menu.lst`` and does not
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like non 'virtual' packages (e.g. Xen compatible) kernels there,
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although they do work. This results in ``update-grub`` not having the
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expected result, and you will need to set the kernel manually.
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**Do not attempt this on a production machine!**
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.. code-block:: bash
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# update apt
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apt-get update
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# install the new kernel
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apt-get install linux-generic-lts-raring
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Great, now you have the kernel installed in ``/boot/``, next you need to make it
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boot next time.
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.. code-block:: bash
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# find the exact names
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find /boot/ -name '*3.8*'
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# this should return some results
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Now you need to manually edit ``/boot/grub/menu.lst``, you will find a
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section at the bottom with the existing options. Copy the top one and
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substitute the new kernel into that. Make sure the new kernel is on
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top, and double check the kernel and initrd lines point to the right files.
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Take special care to double check the kernel and initrd entries.
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.. code-block:: bash
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# now edit /boot/grub/menu.lst
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vi /boot/grub/menu.lst
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It will probably look something like this:
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::
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## ## End Default Options ##
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title Ubuntu 12.04.2 LTS, kernel 3.8.x generic
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root (hd0)
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kernel /boot/vmlinuz-3.8.0-19-generic root=/dev/xvda1 ro quiet splash console=hvc0
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initrd /boot/initrd.img-3.8.0-19-generic
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title Ubuntu 12.04.2 LTS, kernel 3.2.0-38-virtual
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root (hd0)
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kernel /boot/vmlinuz-3.2.0-38-virtual root=/dev/xvda1 ro quiet splash console=hvc0
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initrd /boot/initrd.img-3.2.0-38-virtual
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title Ubuntu 12.04.2 LTS, kernel 3.2.0-38-virtual (recovery mode)
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root (hd0)
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kernel /boot/vmlinuz-3.2.0-38-virtual root=/dev/xvda1 ro quiet splash single
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initrd /boot/initrd.img-3.2.0-38-virtual
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Reboot the server (either via command line or console)
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.. code-block:: bash
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# reboot
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Verify the kernel was updated
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.. code-block:: bash
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uname -a
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# Linux docker-12-04 3.8.0-19-generic #30~precise1-Ubuntu SMP Wed May 1 22:26:36 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
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# nice! 3.8.
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Now you can finish with the :ref:`ubuntu_linux` instructions.
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