Merge pull request #216 from jwilson-mdb/DOCSP-48175

DOCSP-48175 Updates debian server install instructions

Author: jwilson-mdb

source/installation/install-on-an-unattended-server/debian-server-installation/install-debian-server.txt

@@ -22,11 +22,23 @@ Steps
 
 1. Download the latest ``.deb`` binary from the `release page <https://www.mongodb.com/try/download/relational-migrator>`__.
 
+#. Update the system package manager repositories:
+
+   .. code-block:: bash
+
+      sudo apt update
+
+#. (For headless Linux distributions) Create the required directories:
+
+   .. code-block:: bash
+
+      sudo mkdir /usr/share/desktop-directories/
+
 #. Install Relational Migrator.
 
    .. code-block:: bash
 
-      sudo apt install ./mongodb-relational-migrator_X.X.X-1_amd64.deb
+      sudo apt install ./mongodb-relational-migrator_<version_number>-1_amd64.deb
 
 #. (Optional) To connect to Oracle or MySQL drivers, download and place the drivers 
    into your Relational Migrator directory.
@@ -93,6 +105,16 @@ Steps
    - When running Relational Migrator as a system service, the path is under 
      the service user’s home directory.
 
+Troubleshooting
+---------------
+
+If your installation fails with an error, use the following command to see error details:
+
+.. code-block:: bash
+
+   sudo dpkg -i ./mongodb-relational-migrator_<version_number>-1_amd64.deb
+
+
 Next Steps
 ----------