Relegate the installation instructions to the in-tree install doc.

Old install_${PLATFORM} lingers as they are references from previous
releases.

R1/source/docs/index.rst

@@ -33,15 +33,6 @@ Both are kept in same source repository and both are available online:
 For the historically inclined, Archive.org has a complete copy
 of `the old Trac Wiki <https://web.archive.org/web/20150929070920/https://www.varnish-cache.org/trac>`__.
 
-Quick install guides various operating systems:
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
--  `Ubuntu </releases/install_ubuntu.html>`__
--  `Debian </releases/install_debian.html>`__
--  `Red Hat Enterprise Linux and
-   Centos </releases/install_redhat.html>`__
--  `FreeBSD </releases/install_freebsd.html>`__
-
 The Varnish Book
 ----------------
 

R1/source/releases/index.rst

@@ -9,16 +9,12 @@ Varnish Cache is released every 6 months.
 Release                Date         Notes        Download
 ====================== ============ ===========  ===========
 :ref:`rel6.2.0`        2019-03-15   Fresh        :download:`varnish-6.2.0.tgz <varnish-6.2.0.tgz>`
-:ref:`rel6.1.1`        2018-10-26   Retired      :download:`varnish-6.1.1.tgz <varnish-6.1.1.tgz>`
 :ref:`rel6.0.3`        2019-02-19   Supported    :download:`varnish-6.0.3.tgz <varnish-6.0.3.tgz>`
-:ref:`rel5.2.1`        2017-11-14   Retired      :download:`varnish-5.2.1.tgz <varnish-5.2.1.tgz>`
-:ref:`rel5.1.3`        2017-08-02   Retired      :download:`varnish-5.1.3.tgz <varnish-5.1.3.tgz>`
-:ref:`rel5.0.0`        2016-09-15   Retired      :download:`varnish-5.0.0.tgz <varnish-5.0.0.tgz>`
 :ref:`rel4.1.11`       2019-02-11   Supported    :download:`varnish-4.1.11.tgz <varnish-4.1.11.tgz>`
-:ref:`rel4.0.5`        2017-08-02   End Of Life  :download:`varnish-4.0.5.tgz <varnish-4.0.5.tgz>`
-:ref:`rel3.0.7`        2015-03-23   End Of Life  :download:`varnish-3.0.7.tgz <varnish-3.0.7.tgz>`
 ====================== ============ ===========  ===========
 
+For installation instructions including information about cloud images see
+`the Varnish Installation Manual </docs/trunk/installation/index.html>`_
 
 `Changelog for all releases <https://github.com/varnishcache/varnish-cache/blob/master/doc/changes.rst>`_
 
@@ -26,88 +22,6 @@ Release                Date         Notes        Download
 
 :ref:`Extras, Utilities, etc. <extras>`
 
-Deb and RPM repositories now at Packagecloud
---------------------------------------------
-
-The official packages for Debian, Ubuntu, CentOS and Red Hat are now located
-in repositories at Packagecloud.io.
-Users of repo.varnish-cache.org repositories will have to change their hosts
-over to the new repository configuration. For details see the below sections
-for the distribution in question.
-
-Pre-built packages
-------------------
-
-Varnish Cache is widely available in package archives for different operating
-systems.
-
-Here is a list of the ones we know about:
-
-* `ArchLinux package`_ and `ArchLinux wiki`_
-* `Alpine Linux`_
-* `UPLEX Packages`_ with various vmods for Debian, Ubuntu and RHEL/CentOS
-* :ref:`install_debian`
-* :ref:`install_freebsd`
-* :ref:`install_openbsd`
-* :ref:`install_redhat`
-* :ref:`install_ubuntu`
-
-.. _`ArchLinux package`: https://www.archlinux.org/packages/extra/x86_64/varnish/
-.. _`ArchLinux wiki`: https://wiki.archlinux.org/index.php/Varnish
-.. _`Alpine Linux`: https://pkgs.alpinelinux.org/package/edge/main/x86_64/varnish
-.. _`UPLEX Packages`: https://pkg.uplex.de/
-
-Cloud images
-------------
-
-Varnish Cache is also made available by Varnish Software in the following 
-clouds providers:
-
-Amazon Web Services (AWS EC2)
-.............................
-
-Varnish Cache is available on Amazon Web Services (AWS) Elastic Compute Cloud 
-(EC2). Here is a list of the current images available:
-
-* `Varnish Cache 4 on Ubuntu LTS 14.04 on AWS`_
-* `Varnish Cache 5 on Ubuntu LTS 14.04 on AWS`_
-* `Varnish Cache 4 on Red Hat Enterprise Linux 7 on AWS`_
-* `Varnish Cache 5 on Red Hat Enterprise Linux 7 on AWS`_
-
-.. _`Varnish Cache 4 on Ubuntu LTS 14.04 on AWS`: https://aws.amazon.com/marketplace/pp/B01H2063F6
-.. _`Varnish Cache 5 on Ubuntu LTS 14.04 on AWS`: https://aws.amazon.com/marketplace/pp/B01MU4VLOA
-.. _`Varnish Cache 4 on Red Hat Enterprise Linux 7 on AWS`: https://aws.amazon.com/marketplace/pp/B01H2061O4
-.. _`Varnish Cache 5 on Red Hat Enterprise Linux 7 on AWS`: https://aws.amazon.com/marketplace/pp/B01MR09UKM
-
-Microsoft Azure
-...............
-
-Varnish Cache is available on Microsoft Azure. 
-Here is a list of the current images available:
-
-* `Varnish Cache 4 and 5 on Ubuntu LTS 14.04 on Azure`_
-* `Varnish Cache 4 and 5 on Red Hat Enterprise Linux 7 on Azure`_
-
-.. _`Varnish Cache 4 and 5 on Ubuntu LTS 14.04 on Azure`: https://azuremarketplace.microsoft.com/en-us/marketplace/apps/varnish.varnish-cache_
-.. _`Varnish Cache 4 and 5 on Red Hat Enterprise Linux 7 on Azure`: https://azuremarketplace.microsoft.com/en-us/marketplace/apps/varnish.varnish-cache_
-
-Google Cloud Platform (GCP)
-...........................
-
-Varnish Cache is available on Google Cloud Platform (GCP). 
-Here is a list of the current images available:
-
-* `Varnish Cache 4 on Ubuntu LTS 14.04 on GCP`_
-* `Varnish Cache 5 on Ubuntu LTS 14.04 on GCP`_
-* `Varnish Cache 4 on Red Hat Enterprise Linux 7 on GCP`_
-* `Varnish Cache 5 on Red Hat Enterprise Linux 7 on GCP`_
-
-.. _`Varnish Cache 4 on Ubuntu LTS 14.04 on GCP`: https://console.cloud.google.com/launcher/details/varnish-public/varnish-cache-4-payg-ubuntu
-.. _`Varnish Cache 5 on Ubuntu LTS 14.04 on GCP`: https://console.cloud.google.com/launcher/details/varnish-public/varnish-cache-5-payg-ubuntu
-.. _`Varnish Cache 4 on Red Hat Enterprise Linux 7 on GCP`: https://console.cloud.google.com/launcher/details/varnish-public/varnish-cache-4-payg-red-hat
-.. _`Varnish Cache 5 on Red Hat Enterprise Linux 7 on GCP`: https://console.cloud.google.com/launcher/details/varnish-public/varnish-cache-5-payg-red-hat
-
-
 All the releases
 ----------------
 

R1/source/releases/rel6.2.0.rst

@@ -20,17 +20,8 @@ More information:
 * `Upgrading </docs/6.2/whats-new/upgrading-6.2.html>`_
 
 
-Operating System Specific Installation Guides
----------------------------------------------
-
-* :ref:`install_ubuntu`
-* :ref:`install_debian`
-* :ref:`install_redhat`
-* :ref:`install_freebsd`
-
-EL7, Debian-Stretch and Ubuntu-Xenial
-packages can be found on
-`PackageCloud.io <https://packagecloud.io/varnishcache/varnish62>`_
+For installation instructions including information about cloud images see
+`the Varnish Installation Manual </docs/trunk/installation/index.html>`_
 
 We recommend using the manual installation procedure available at:
 https://packagecloud.io/varnishcache/varnish62/install#manual