Configure the ejabberd server
-----------------------------
+[TIP]
+=====
+It is recommended to disable the apparmor profile for ejabberd on *Ubuntu* before
+continuing. If you are installing on any version of *Ubuntu*, run the following
+commands as the *root* Linux account:
+
+[source,bash]
+---------------------------------------------------------------------------
+ln -s /etc/apparmor.d/usr.sbin.ejabberdctl /etc/apparmor.d/disable/
+apparmor_parser -R /etc/apparmor.d/usr.sbin.ejabberdctl
+---------------------------------------------------------------------------
+=====
+
OpenSRF requires an XMPP (Jabber) server. For performance reasons, ejabberd is
the Jabber server of choice for the OpenSRF project. In most cases, you only
have to make a few changes to the default configuration file to make ejabberd