The number of Keepstore, shell and compute nodes listed above is a minimum. In a real production installation, you will likely run many more of each of those types of nodes. In such a scenario, you would probably also want to dedicate a node to the Workbench server and Crunch dispatcher, respectively. For performance reasons, you may want to run the database server on a separate node as well.
+h2. Supported GNU/Linux distributions
+
+table(table table-bordered table-condensed).
+|_Distribution_|_State_|_Last supported version_|
+|CentOS 7|Supported|Latest|
+|Debian 8 ("jessie")|Supported|Latest|
+|Ubuntu 12.04 ("precise")|Supported|Latest|
+|Ubuntu 14.04 ("trusty")|Supported|Latest|
+|Debian 7 ("wheezy")|EOL|997479d1408139e96ecdb42a60b4f727f814f6c9 (2016-12-28)|
+|CentOS 6 |EOL|997479d1408139e96ecdb42a60b4f727f814f6c9 (2016-12-28)|
+
h2(#repos). Arvados package repositories
On any host where you install Arvados software, you'll need to set up an Arvados package repository. They're available for several popular distributions.
h3. CentOS
-Packages are available for CentOS 6 and 7. First, register the Curoverse signing key in RPM's database:
+Packages are available for CentOS 7. First, register the Curoverse signing key in RPM's database:
{% include 'install_redhat_key' %}
h3. Debian and Ubuntu
-Packages are available for Debian 7 ("wheezy"), Debian 8 ("jessie"), Ubuntu 12.04 ("precise"), and Ubuntu 14.04 ("trusty").
+Packages are available for Debian 8 ("jessie"), Ubuntu 12.04 ("precise"), and Ubuntu 14.04 ("trusty").
First, register the Curoverse signing key in apt's database:
table(table table-bordered table-condensed).
|OS version|Command|
-|Debian 7 ("wheezy")|<notextile><code><span class="userinput">echo "deb http://apt.arvados.org/ wheezy main" | sudo tee /etc/apt/sources.list.d/arvados.list</span></code></notextile>|
|Debian 8 ("jessie")|<notextile><code><span class="userinput">echo "deb http://apt.arvados.org/ jessie main" | 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" | 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" | sudo tee /etc/apt/sources.list.d/arvados.list</span></code></notextile>|