Merge branch 'update-09-17-2020' into 'master'

Update 09 20 2020

See merge request zcash-docs/zcash-docs!214

source/rtd_pages/install_binary_tarball.rst

@@ -35,4 +35,4 @@ Now that Zcash is installed, run this command to download the parameters used to
 
     zcash-fetch-params
 
-Finally, set up ``~/.zcash/zcash.conf`` before running Zcash as your local user, as documented in the :ref:`user_guide`. 
+Finally, `set up a configuration file <https://zcash.readthedocs.io/en/latest/rtd_pages/zcash_conf_guide.html>`_ (`~/.zcash/zcash.conf`) before runnning zcashd. It can be completely empty; it will then run with the default parameters.

source/rtd_pages/install_debian_bin_packages.rst

@@ -11,7 +11,7 @@ First install the following dependency so you can talk to our repository using H
 
 .. code-block:: bash
 
-   sudo apt-get install apt-transport-https wget gnupg2
+   sudo apt-get update && sudo apt-get install apt-transport-https wget gnupg2
 
 Next add the Zcash master signing key to apt's trusted keyring:
 
@@ -28,13 +28,19 @@ Add the repository to your sources:
 
    echo "deb [arch=amd64] https://apt.z.cash/ stretch main" | sudo tee /etc/apt/sources.list.d/zcash.list
 
-Finally, update the cache of sources and install Zcash:
+Update the cache of sources and install Zcash:
 
 .. code-block:: bash
    
-   sudo apt-get update && sudo apt-get install zcash
+   sudo apt-get install zcash
 
-Lastly you can run ``zcash-fetch-params`` to fetch the zero-knowledge parameters, and set up `~/.zcash/zcash.conf` before running Zcash as your local user, as documented in the :ref:`user_guide`. 
+Fetch the zero-knowledge parameters: 
+
+.. code-block:: bash
+   
+   zcash-fetch-params
+
+Lastly, `set up a configuration file <https://zcash.readthedocs.io/en/latest/rtd_pages/zcash_conf_guide.html>`_ (`~/.zcash/zcash.conf`) before runnning zcashd. It can be completely empty; it will then run with the default parameters.
 
 **Missing Public Key Error**
 

source/rtd_pages/lightwalletd.md

@@ -10,7 +10,7 @@ There are several reasons you may want to set up your own lightwalletd instance
 There are two ways to deploy a lightwalletd instance:
 
 - Clone the lightwalletd source code from its [GitHub repo](https://github.com/zcash/lightwalletd/)
-- Run a binary instance using Docker.
+- Run a binary instance using Docker. The Docker host networking driver only works on Linux hosts, so we do not recommend this option for Mac or Windows.
 
 This rest of this guide helps with the second option, which is the easier of the two.
 You will need root (`sudo`) permissions. Install these if you haven't already: