+h2. Enable SLURM job dispatch
+
+In your API server's @application.yml@ configuration file, add the line @crunch_job_wrapper: :slurm_immediate@ under the appropriate section. (The second colon is not a typo. It denotes a Ruby symbol.)
+
+h2. Crunch user account
+
+Run @sudo adduser crunch@. The crunch user should have the same UID, GID, and home directory on all compute nodes and on the dispatcher (API server).
+
+h2. Run the Crunch dispatcher service
+
+To dispatch Arvados jobs:
+
+* The API server script @crunch-dispatch.rb@ must be running.
+* @crunch-job@ needs the installation path of the Perl SDK in its @PERLLIB@.
+* @crunch-job@ needs the @ARVADOS_API_HOST@ (and, if necessary, @ARVADOS_API_HOST_INSECURE@) environment variable set.
+
+Install runit to monitor the Crunch dispatch daemon. {% include 'install_runit' %}
+
+Install the script below as the run script for the Crunch dispatch service, modifying it as directed by the comments.
+
+<notextile>
+<pre><code>#!/bin/sh