Merge pull request #538 from open-contracting/salt-backports-error

docs: note backports error and workaround

docs/deploy/create_server.rst

@@ -513,6 +513,19 @@ Configure reverse DNS
 
       The server's Pillar file needs ``system_contacts``, ``network.domain``, ``ssh.admin``, ``locale``, ``ntp`` and, preferably, ``maintenance`` sections.
 
+   .. tip::
+
+      If you get the error message:
+
+      .. code-block:: none
+      
+         ModuleNotFoundError: No module named 'backports'
+
+      Try connecting to the server and `running <https://github.com/saltstack/salt/issues/65360#issuecomment-1839127208>`:
+
+      .. code-block:: bash
+
+         pip3 install backports.ssl_match_hostname --break-system-packages
 #. If a disk is larger than 100 GB, :ref:`reduce reserve space<rescale-reserved-space>`.
 #. `Reboot the server <https://docs.saltproject.io/en/latest/ref/modules/all/salt.modules.system.html#salt.modules.system.reboot>`__: