10988: Document our Ubuntu 16.04 support.

diff --git a/doc/install/install-manual-prerequisites.html.textile.liquid b/doc/install/install-manual-prerequisites.html.textile.liquid
index 97a346bc29fa4ddf6b81b6ba6e4167a33aadc1de..482cffe7436621715e1d81c5256f73b584476620 100644 (file)
--- a/doc/install/install-manual-prerequisites.html.textile.liquid
+++ b/doc/install/install-manual-prerequisites.html.textile.liquid
@@ -29,6 +29,7 @@ table(table table-bordered table-condensed).
 |Debian 8 ("jessie")|Supported|Latest|
 |Ubuntu 12.04 ("precise")|Supported|Latest|
 |Ubuntu 14.04 ("trusty")|Supported|Latest|
+|Ubuntu 16.04 ("xenial")|Supported|Latest|
 |Debian 7 ("wheezy")|EOL|997479d1408139e96ecdb42a60b4f727f814f6c9 (2016-12-28)|
 |CentOS 6 |EOL|997479d1408139e96ecdb42a60b4f727f814f6c9 (2016-12-28)|
 
@@ -53,7 +54,7 @@ baseurl=http://rpm.arvados.org/CentOS/$releasever/os/$basearch/
 
 h3. Debian and Ubuntu
 
-Packages are available for Debian 8 ("jessie"), Ubuntu 12.04 ("precise"), and Ubuntu 14.04 ("trusty").
+Packages are available for Debian 8 ("jessie"), Ubuntu 12.04 ("precise"), Ubuntu 14.04 ("trusty") and Ubuntu 16.04 ("xenial").
 
 First, register the Curoverse signing key in apt's database:
 
@@ -64,12 +65,23 @@ Configure apt to retrieve packages from the Arvados package repository. This com
 table(table table-bordered table-condensed).
 |OS version|Command|
 |Debian 8 ("jessie")|<notextile><code><span class="userinput">echo "deb http://apt.arvados.org/ jessie main" &#x7c; sudo tee /etc/apt/sources.list.d/arvados.list</span></code></notextile>|
-|Ubuntu 12.04 ("precise")|<notextile><code><span class="userinput">echo "deb http://apt.arvados.org/ precise main" &#x7c; sudo tee /etc/apt/sources.list.d/arvados.list</span></code></notextile>|
-|Ubuntu 14.04 ("trusty")|<notextile><code><span class="userinput">echo "deb http://apt.arvados.org/ trusty main" &#x7c; sudo tee /etc/apt/sources.list.d/arvados.list</span></code></notextile>|
+|Ubuntu 12.04 ("precise")[1]|<notextile><code><span class="userinput">echo "deb http://apt.arvados.org/ precise main" &#x7c; sudo tee /etc/apt/sources.list.d/arvados.list</span></code></notextile>|
+|Ubuntu 14.04 ("trusty")[1]|<notextile><code><span class="userinput">echo "deb http://apt.arvados.org/ trusty main" &#x7c; sudo tee /etc/apt/sources.list.d/arvados.list</span></code></notextile>|
+|Ubuntu 16.04 ("xenial")[1] [2]|<notextile><code><span class="userinput">echo "deb http://apt.arvados.org/ xenial main" &#x7c; sudo tee /etc/apt/sources.list.d/arvados.list</span></code></notextile>|
 
 {% include 'notebox_begin' %}
 
-Arvados packages for Ubuntu may depend on third-party packages in Ubuntu's "universe" repository.  If you're installing on Ubuntu, make sure you have the universe sources uncommented in @/etc/apt/sources.list@.
+fn1. Arvados packages for Ubuntu may depend on third-party packages in Ubuntu's "universe" repository.  If you're installing on Ubuntu, make sure you have the universe sources uncommented in @/etc/apt/sources.list@.
+
+fn2. If you use Ubuntu 16.04 ("xenial"), you need to create @/etc/apt/preferences.d/arvados@ with these contents:
+
+<pre>
+Package: *
+Pin: origin "apt.arvados.org"
+Pin-Priority: 501
+</pre>
+
+This gives packages from apt.arvados.org a slight priority over the default Ubuntu 16.04 ("xenial") packages, so that dependencies on older versions of certain packages get installed automatically. Specificaly, this affects the python-pycurl and python-oauth2client packages provided in the Arvados apt repositories.
 
 {% include 'notebox_end' %}