Clarify NGINX README, default_vars, 4-server-options

roles/4-server-options/tasks/main.yml

@@ -18,7 +18,7 @@
     name: pylibs
   #when: pylibs_install | bool    # Flag might be created in future?
 
-# Also run roles/1-prep/tasks/main.yml as required by OpenVPN.
+# Also run by roles/1-prep/tasks/main.yml as required by OpenVPN.
 - name: SSHD
   include_role:
     name: sshd

roles/nginx/README.md

@@ -10,7 +10,7 @@
 
 2. Without PHP available via FastCGI, any function at all for PHP-based applications validates NGINX.
 
-3. Current state of IIAB App/Service migrations as of 2020-09-22:
+3. Current state of IIAB App/Service migrations as of 2020-09-24:
 
    1. These support "Native" NGINX but ***NOT*** Apache
       * Admin Console
@@ -20,7 +20,7 @@
       * OER2Go/RACHEL modules
       * usb_lib
 
-   2. These support "Native" NGINX ***AND*** Apache, a.k.a. "dual support" for legacy testing (if suitable "Shims" from *Section iii.* below are preserved!)  Both "Native" NGINX and "Shim" proxying from NGINX to Apache port 8090 *cannot be enabled simultaneously* for these IIAB Apps/Service.  But if you want to attempt their "Shim" proxying legacy testing mode, try setting your *primary web server* to Apache using `apache_install: True` and `apache_enabled: True` (and `nginx_enabled: False` to disable NGINX) in [/etc/iiab/local_vars.yml](http://wiki.laptop.org/go/IIAB/FAQ#What_is_local_vars.yml_and_how_do_I_customize_it.3F) before you install IIAB.  You may also need to run `cd /opt/iiab/iiab; ./runrole httpd` since this has been removed from [roles/3-base-server/tasks/main.yml](https://github.com/iiab/iiab/blob/master/roles/3-base-server/tasks/main.yml)
+   2. These support "Native" NGINX ***AND*** Apache, a.k.a. "dual support" for legacy testing (if suitable "Shims" from *Section iii.* below are preserved!)  Both "Native" NGINX and "Shim" proxying from NGINX to Apache port 8090 *cannot be enabled simultaneously* for these IIAB Apps/Service:<!--But if you want to attempt their "Shim" proxying legacy testing mode, try setting your *primary web server* to Apache using `apache_install: True` and `apache_enabled: True` (and `nginx_enabled: False` to disable NGINX) in [/etc/iiab/local_vars.yml](http://wiki.laptop.org/go/IIAB/FAQ#What_is_local_vars.yml_and_how_do_I_customize_it.3F) before you install IIAB.  You may also need to run `cd /opt/iiab/iiab; ./runrole httpd` since this has been removed from [roles/3-base-server/tasks/main.yml](https://github.com/iiab/iiab/blob/master/roles/3-base-server/tasks/main.yml)-->
       * awstats
       * calibre-web
       * gitea
@@ -48,9 +48,10 @@
       * mosquitto
       * openvpn
       * pbx [*, requires Apache for now, as in Section iii.]
-      * phpmyadmin [requires Apache for now, as in Section iii.]
+      * phpmyadmin [*, requires Apache for now, as in Section iii.]
       * samba
+      * sshd
       * transmission
       * vnstat
 
-[*] The 3 above starred roles could use improvement, as of 2020-09-22.
+[*] The 4 above starred roles could use improvement, as of 2020-09-24.

vars/default_vars.yml

@@ -300,7 +300,7 @@ dansguardian_install: False
 dansguardian_enabled: False
 
 # 2020-02-04: postgresql_install is completely ignored as PostgreSQL is
-# installed on demand as a dependency -- by Moodle &/or Pathagar
+# installed on demand as a dependency -- by Moodle and/or Pathagar
 postgresql_install: False
 postgresql_enabled: False
 
@@ -395,7 +395,7 @@ mosquitto_enabled: False
 mosquitto_port: 1883
 
 # 2020-02-04: nodejs_install is completely ignored as Node.js is installed on
-# demand as a dependency -- by Node-RED, Sugarizer and/or Internet Archive --
+# demand as a dependency -- by Node-RED, Sugarizer and/or Internet Archive
 nodejs_install: False
 nodejs_enabled: False
 # Node.js version used by roles/nodejs/tasks/main.yml for 3 roles: