navsection: installguide
title: Sample compute node ping script
...
+{% comment %}
+Copyright (C) The Arvados Authors. All rights reserved.
+
+SPDX-License-Identifier: CC-BY-SA-3.0
+{% endcomment %}
When a new elastic compute node is booted, it needs to contact Arvados to register itself. Here is an example ping script to run on boot.