navsection: installguide
title: Prerequisites
...
+{% comment %}
+Copyright (C) The Arvados Authors. All rights reserved.
+
+SPDX-License-Identifier: CC-BY-SA-3.0
+{% endcomment %}
h2. Hardware (or virtual machines)
h3. CentOS
-Packages are available for CentOS 7. First, register the Curoverse signing key in RPM's database:
-
-{% include 'install_redhat_key' %}
-
-Then save this configuration block in @/etc/yum.repos.d/arvados.repo@:
+Packages are available for CentOS 7. To install them with yum, save this configuration block in @/etc/yum.repos.d/arvados.repo@:
<notextile>
<pre><code>[arvados]
name=Arvados
baseurl=http://rpm.arvados.org/CentOS/$releasever/os/$basearch/
+gpgcheck=1
+gpgkey=http://rpm.arvados.org/CentOS/RPM-GPG-KEY-curoverse
</code></pre>
</notextile>
+{% include 'install_redhat_key' %}
+
h3. Debian and Ubuntu
Packages are available for Debian 8 ("jessie"), Ubuntu 14.04 ("trusty") and Ubuntu 16.04 ("xenial").