diff --git a/roles/awstats/tasks/install.yml b/roles/awstats/tasks/install.yml
index 97ee62195..8109a5453 100644
--- a/roles/awstats/tasks/install.yml
+++ b/roles/awstats/tasks/install.yml
@@ -80,6 +80,12 @@
     path: /etc/apache2/sites-enabled/awstats.conf
     state: absent
   when: not awstats_enabled and is_debuntu
+  
+- name: Restart Apache service ({{ apache_service }})
+  systemd:
+    name: "{{ apache_service }}"
+    state: restarted
+
 
 - name: Install /etc/awstats/awstats.schoolserver.conf
   template:
diff --git a/roles/awstats/tasks/main.yml b/roles/awstats/tasks/main.yml
index 7efc20bda..212fef1ca 100644
--- a/roles/awstats/tasks/main.yml
+++ b/roles/awstats/tasks/main.yml
@@ -1,4 +1,5 @@
-- include_tasks: install.yml
+- name: Install AWStats if awstats_install
+  include_tasks: install.yml
   when: awstats_install
 
 - name: Add 'awstats' variable values to {{ iiab_ini_file }}
diff --git a/roles/calibre/tasks/main.yml b/roles/calibre/tasks/main.yml
index c2f2239e1..86a3d5afa 100644
--- a/roles/calibre/tasks/main.yml
+++ b/roles/calibre/tasks/main.yml
@@ -5,7 +5,7 @@
     path: "/usr/bin/calibre"
   register: calib_executable
 
-- name: Install latest packages calibre and calibre-bin, via OS's package installer (IF not rpi AND /usr/bin/calibre MISSING)
+- name: "Install OS's latest packages: calibre, calibre-bin (IF not rpi AND /usr/bin/calibre MISSING)"
   package:
     name:
       - calibre
@@ -51,14 +51,14 @@
   when: (not calib_executable.stat.exists)
   #when: calibre_config.changed
 
-# 2. STOP CALIBRE SERVICE IF IT EXISTS (REQUIRED FOR DB ACTIVITY...AND IF not calibre_enabled)
+# 2. STOP CALIBRE SERVICE (REQUIRED FOR DB ACTIVITY...AND IF not calibre_enabled)
 
 #- name: Check if Calibre systemd service exists
 #  stat:
 #    path: /etc/systemd/system/calibre-serve.service
 #  register: calibre_svc
 
-- name: Stop Calibre service -- calibre-server by Kovid Goyal
+- name: Stop service 'calibre-serve' (/usr/bin/calibre-server by Kovid Goyal)
   systemd:
     name: calibre-serve
     state: stopped
@@ -116,7 +116,7 @@
     state: absent
   when: (not calibre_enabled) and is_debuntu
 
-- name: Enable & Start Calibre service -- runs calibre-server by Kovid Goyal
+- name: Enable & Start service 'calibre-serve' (/usr/bin/calibre-server by Kovid Goyal)
   service:
     name: calibre-serve
     enabled: yes
@@ -125,7 +125,7 @@
   #async: 900
   #poll: 5
 
-- name: Reload Apache
+- name: Reload Apache service ({{ apache_service }})
   systemd:
     name: "{{ apache_service }}"
     state: reloaded
diff --git a/roles/cups/tasks/main.yml b/roles/cups/tasks/main.yml
index 73072a07b..2174487ea 100644
--- a/roles/cups/tasks/main.yml
+++ b/roles/cups/tasks/main.yml
@@ -1,5 +1,5 @@
 # administer this service by browsing to localhost:631
-- name: Install cups package
+- name: Install 'cups' package
   package:
     name: cups
     state: present
diff --git a/roles/kolibri/tasks/main.yml b/roles/kolibri/tasks/main.yml
index 964e0fd62..aab67c8f0 100644
--- a/roles/kolibri/tasks/main.yml
+++ b/roles/kolibri/tasks/main.yml
@@ -91,7 +91,7 @@
   when: not kolibri_enabled
 
 # {{ apache_service }} is almost always apache2
-- name: Restart {{ apache_service }}
+- name: Restart Apache service ({{ apache_service }})
   systemd:
     name: "{{ apache_service }}"
     state: restarted
diff --git a/roles/lokole/tasks/main.yml b/roles/lokole/tasks/main.yml
index 55a1173c0..e33261101 100644
--- a/roles/lokole/tasks/main.yml
+++ b/roles/lokole/tasks/main.yml
@@ -1,3 +1,3 @@
-- name: Run Lokole's install.yml if lokole_install
+- name: Install Lokole {{ lokole_version }} if lokole_install
   include_tasks: install.yml
   when: lokole_install
diff --git a/roles/mediawiki/tasks/install.yml b/roles/mediawiki/tasks/install.yml
index bbcad9cfe..5c265bc6a 100644
--- a/roles/mediawiki/tasks/install.yml
+++ b/roles/mediawiki/tasks/install.yml
@@ -78,8 +78,8 @@
     state: absent
   when: not mediawiki_enabled and is_debuntu
 
-- name: Restart Apache to enable/disable http://box{{ mediawiki_url }}
-  service:
+- name: Restart Apache service ({{ apache_service }}) to enable/disable http://box{{ mediawiki_url }}
+  systemd:
     name: "{{ apache_service }}"
     state: restarted
 
diff --git a/roles/mongodb/defaults/main.yml b/roles/mongodb/defaults/main.yml
index 61d1d951f..73dd0c0c9 100644
--- a/roles/mongodb/defaults/main.yml
+++ b/roles/mongodb/defaults/main.yml
@@ -1,6 +1,10 @@
-mongodb_install: False
-mongodb_enabled: False
+# mongodb_install: False
+# mongodb_enabled: False
+# mongodb_port: 27018
+
+# All above are set in: github.com/iiab/iiab/blob/master/vars/default_vars.yml
+# If nec, change them by editing /etc/iiab/local_vars.yml prior to installing!
 
 mongodb_conf: /etc/mongod.conf
-mongodb_db_path: "{{ content_base }}/dbdata/mongodb"    # == /library/dbdata/mongodb/
+mongodb_db_path: "{{ content_base }}/dbdata/mongodb"    # i.e. /library/dbdata/mongodb/
 mongodb_db_lock_file: "{{ mongodb_db_path }}/mongod.lock"
diff --git a/roles/mongodb/tasks/main.yml b/roles/mongodb/tasks/main.yml
index 2029c6b2d..aed5d4a1c 100644
--- a/roles/mongodb/tasks/main.yml
+++ b/roles/mongodb/tasks/main.yml
@@ -1,24 +1,122 @@
-- name: 'Install packages: mongodb, mongodb-server'
+# 1. INSTALL MongoDB PACKAGES OR BINARIES
+
+- name: "Install packages: mongodb, mongodb-server (not rpi)"
   package:
     name:
       - mongodb-server
-      - mongodb
+      - mongodb    # 2019-01-31: this package does not exist on (cannot be installed on) Debian 10, SEE #1437
     state: present
-  when: internet_available
+  when: internet_available and not is_rpi
   tags:
     - download
 
-- name: Create 3 dirs for MongoDB
+# 2019-02-02: Sugarizer with Node.js 10.x requires MongoDB 2.6+ so
+# https://andyfelong.com/2017/08/mongodb-3-0-14-for-raspbian-stretch/
+# is being used on RPi, all I found! (Raspbian's apt pkg is MongoDB 2.4.14)
+#
+# mongodb_stretch_3_0_14_core.zip (20M) & mongodb_stretch_3_0_14_tools.zip (15M)
+# were backed up from andyfelong.com to http://download.iiab.io/packages/
+#
+# CLARIF: mongodb_stretch_3_0_14_core.zip IS IN FACT 3.0.14 (core) BUT...
+#         mongodb_stretch_3_0_14_tools.zip IS REALLY 3.0.15 (tools)
+
+- name: Create dir /tmp/mongodb-3.0.1x (rpi)
+  file:
+    path: /tmp/mongodb-3.0.1x
+    state: directory
+  when: internet_available and is_rpi
+
+- name: Download & unzip 20MB http://download.iiab.io/packages/mongodb_stretch_3_0_14_core.zip to /tmp/mongodb-3.0.1x (rpi)
+  unarchive:
+    remote_src: yes
+    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_core.zip"
+    dest: /tmp/mongodb-3.0.1x
+  when: internet_available and is_rpi
+
+- name: Install (move) its 3 CORE binaries from /tmp/mongodb-3.0.1x/core to /usr/bin (rpi)
+  shell: mv /tmp/mongodb-3.0.1x/core/* /usr/bin
+  when: internet_available and is_rpi
+
+- name: Download & unzip 15MB http://download.iiab.io/packages/mongodb_stretch_3_0_14_tools.zip [IN FACT THIS ONE'S 3.0.15] to /tmp/mongodb-3.0.1x (rpi)
+  unarchive:
+    remote_src: yes
+    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_tools.zip"
+    dest: /tmp/mongodb-3.0.1x
+  when: internet_available and is_rpi
+
+- name: Install (move) its 9 TOOLS binaries from /opt/iiab/downloads/mongodb-3.0.1x/tools to /usr/bin (rpi)
+  shell: mv /tmp/mongodb-3.0.1x/tools/* /usr/bin
+  when: internet_available and is_rpi
+
+# OLD WAY / MUCH SLOWER: had put unnec duplicate copies in /opt/iiab/downloads/mongodb-3.0.1x
+#
+#- name: Create dir /opt/iiab/downloads/mongodb-3.0.1x (rpi)
+#  file:
+#    path: "{{ downloads_dir }}/mongodb-3.0.1x"
+#    state: directory
+#  when: internet_available and is_rpi
+#
+#- name: Download & unzip MongoDB 3.0.14's 3 core binaries to /opt/iiab/downloads/mongodb-3.0.1x (rpi)
+#  unarchive:
+#    remote_src: yes
+#    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_core.zip"
+#    dest: "{{ downloads_dir }}/mongodb-3.0.1x"
+#  when: internet_available and is_rpi
+#
+#- name: Install (copy) 3 binaries from /opt/iiab/downloads/mongodb-3.0.1x/core to /usr/bin (rpi)
+#  copy:
+#    src: "{{ item }}"
+#    dest: /usr/bin
+#  with_fileglob:
+#    - "{{ downloads_dir }}/mongodb-3.0.1x/core/*"
+#  when: internet_available and is_rpi
+#
+#- name: Download & unzip MongoDB 3.0.15's 9 tools binaries to /opt/iiab/downloads/mongodb-3.0.1x (rpi)
+#  unarchive:
+#    remote_src: yes
+#    src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_tools.zip"
+#    dest: "{{ downloads_dir }}/mongodb-3.0.1x"
+#  when: internet_available and is_rpi
+#
+#- name: Install (copy) 9 binaries from /opt/iiab/downloads/mongodb-3.0.1x/tools to /usr/bin (rpi)
+#  copy:
+#    src: "{{ item }}"
+#    dest: /usr/bin
+#  with_fileglob:
+#    - "{{ downloads_dir }}/mongodb-3.0.1x/tools/*"
+#  when: internet_available and is_rpi
+
+- name: Create Linux group mongodb (rpi)
+  group:
+    name: mongodb
+    state: present
+  when: is_rpi
+
+- name: Create Linux user mongodb (rpi)
+  user:
+    name: mongodb
+    group: mongodb    # primary group
+    groups: mongodb
+    home: /var/lib/mongodb
+    shell: /usr/sbin/nologin
+  when: is_rpi
+
+
+# 2. CONFIGURE FOR IIAB
+
+- name: 'Create 3 dirs for MongoDB: /var/lib/mongodb, /var/log/mongodb, {{ mongodb_db_path }}'
   file:
     state: directory
-    path: "{{ item.path }}"
+    path: "{{ item }}"
     owner: mongodb
+    group: mongodb
   with_items:
-    - { path: '/var/run/mongodb' }
-    - { path: "{{ mongodb_db_path }}" }    # == /library/dbdata/mongodb/
-    - { path: '/var/log/mongodb' }
+    #- { path: '/var/run/mongodb' }
+    - /var/lib/mongodb
+    - /var/log/mongodb
+    - "{{ mongodb_db_path }}"    # i.e. /library/dbdata/mongodb/
 
-- name: Populate & position /etc/mongod.conf, mongodb.service, /usr/bin/iiab-mongodb-repair-if-no-lock
+- name: Install /etc/mongod.conf, mongodb.service, /usr/bin/iiab-mongodb-repair-if-no-lock from templates
   template:
     src: "{{ item.src }}"
     dest: "{{ item.dest }}"
@@ -26,25 +124,32 @@
     group: root
     mode: "{{ item.mode }}"
   with_items:
-    - { src: 'mongod.conf.j2', dest: "{{ mongodb_conf }}", mode: '0644' }
+    - { src: 'mongod.conf.j2', dest: "{{ mongodb_conf }}", mode: '0644' }    # i.e. /etc/mongod.conf
     - { src: 'mongodb.service.j2', dest: '/etc/systemd/system/mongodb.service', mode: '0644' }
     - { src: 'iiab-mongodb-repair-if-no-lock.j2', dest: '/usr/bin/iiab-mongodb-repair-if-no-lock', mode: '0755' }
 
+
+# 3. ENABLE/DISABLE
+
 - name: Enable & Restart 'mongodb' systemd service if mongodb_enabled, incl daemon-reload (in case mongodb.service changed?)
   systemd:
     name: mongodb
+    daemon_reload: yes
     enabled: yes
     state: restarted
-    daemon_reload: yes
   when: mongodb_enabled
 
 - name: Disable 'mongodb' service, if not mongodb_enabled
   systemd:
     name: mongodb
+    daemon_reload: yes
     enabled: no
     state: stopped
   when: not mongodb_enabled
 
+
+# 4. DOCUMENT IN /etc/iiab/iiab.ini
+
 - name: Add 'mongodb' variable values to {{ iiab_ini_file }}
   ini_file:
     path: "{{ iiab_ini_file }}"
diff --git a/roles/mongodb/templates/mongod.conf.j2 b/roles/mongodb/templates/mongod.conf.j2
index f8b3f1497..9d9c9c9c1 100644
--- a/roles/mongodb/templates/mongod.conf.j2
+++ b/roles/mongodb/templates/mongod.conf.j2
@@ -5,8 +5,8 @@
 # Comma separated list of ip addresses to listen on (all local ips by default)
 bind_ip = 127.0.0.1
 
-# Specify port number (27017 by default)
-port = 27018
+# Specify port number (27017 by default...but typically 27018 for IIAB)
+port = {{ mongodb_port }}
 
 # Fork server process (false by default)
 # fork = true
diff --git a/roles/monit/tasks/main.yml b/roles/monit/tasks/main.yml
index 1c52113df..cea1637e1 100644
--- a/roles/monit/tasks/main.yml
+++ b/roles/monit/tasks/main.yml
@@ -1,4 +1,4 @@
-- name: Install Monit package
+- name: Install 'monit' package
   package:
     name: monit
     state: present
diff --git a/roles/moodle/tasks/main.yml b/roles/moodle/tasks/main.yml
index 86fd21cc1..352c48ad9 100644
--- a/roles/moodle/tasks/main.yml
+++ b/roles/moodle/tasks/main.yml
@@ -1,4 +1,4 @@
-- name: Install packages python-psycopg2 and php-pgsql (OS's other than debuntu)
+- name: "Install packages: python-psycopg2, php-pgsql (OS's other than debuntu)"
   package:
     name:
       - python-psycopg2
@@ -20,12 +20,12 @@
     state: present
   when: is_debuntu
 
-- name: php-zip name (debian-9 or ubuntu)
+- name: "Install package: php{{ php_version }}-zip (ubuntu or debian-9+)"
   package:
     name: "php{{ php_version }}-zip"
-  when: is_debian_9 or is_ubuntu
+  when: is_ubuntu or (is_debian and not is_debian_8)
 
-- name: php-zip name for (debian-8)
+- name: "Install package: php-pclzip (debian-8)"
   package:
     name: php-pclzip
   when: is_debian_8
@@ -133,7 +133,7 @@
     enabled: yes
   when: moodle_enabled
 
-- name: Restart Apache ({{ apache_service }})
+- name: Restart Apache service ({{ apache_service }})
   service:
     name: "{{ apache_service }}"
     state: restarted
diff --git a/roles/mosquitto/tasks/main.yml b/roles/mosquitto/tasks/main.yml
index d966e01ec..4e6a05130 100644
--- a/roles/mosquitto/tasks/main.yml
+++ b/roles/mosquitto/tasks/main.yml
@@ -1,4 +1,4 @@
-- name: Install mosquitto & mosquitto-clients
+- name: "Install packages: mosquitto, mosquitto-clients"
   package:
     name: "{{ item }}"
     state: present
@@ -8,7 +8,7 @@
   when: mosquitto_install
   tags: download
 
-- name: Disable & Stop mosquitto service
+- name: Disable & Stop 'mosquitto' service
   systemd:
     name: mosquitto
     enabled: no
@@ -36,7 +36,7 @@
     mode: 0755
   when: mosquitto_install
 
-- name: Enable & Start mosquitto service
+- name: Enable & Start 'mosquitto' service
   systemd:
     daemon_reload: yes
     name: mosquitto
diff --git a/roles/nodejs/tasks/main.yml b/roles/nodejs/tasks/main.yml
index 6658ad739..d453538a4 100644
--- a/roles/nodejs/tasks/main.yml
+++ b/roles/nodejs/tasks/main.yml
@@ -1,6 +1,7 @@
-# 2019-01-16: duplicate Node.js code unified thanks to @jvonau. It's used by:
-#   roles/sugarizer/tasks/main.yml with roles/sugarizer/meta/main.yml
+# 2019-01-16/29: duplicate Node.js code unified thanks to @jvonau. It's used by:
+#   roles/pbx/tasks/main.yml       with roles/pbx/meta/main.yml  (for Asterisk with FreePBX, forthcoming early in 2019, see PR #1405)
 #   roles/nodered/tasks/main.yml   with roles/nodered/meta/main.yml
+#   roles/sugarizer/tasks/main.yml with roles/sugarizer/meta/main.yml
 
 # 2019-01-16: fyi Node.js 10.x became "LTS" on 2018-10-30 but distros are
 # holding back for now: certainly Ubuntu 18.04 and even Debian 10/Buster
@@ -8,23 +9,34 @@
 # more bleeding-edge Debian Sid ("unstable" branch) does install Node.js 10.x
 #
 # This May Change: thanks all for running "apt -a list nodejs" on Buster's
-# daily builds @ www.debian.org/devel/debian-installer/ to keep us informed!
+# daily builds @ www.debian.org/devel/debian-installer/ and Disco Dingo (Ubuntu
+# 19.04) https://launchpad.net/ubuntu/+source/nodejs to keep us informed!
 
-- name: Set up Node.js 8.x apt sources (debuntu distros UP TO 2017)
-  shell: curl -sL https://deb.nodesource.com/setup_8.x | bash -
+#- name: Set up Node.js {{ nodejs_version }} apt sources (debuntu distros UP TO 2017)
+- name: Set up Node.js {{ nodejs_version }} apt sources (debuntu)
+  shell: curl -sL https://deb.nodesource.com/setup_{{ nodejs_version }} | bash -
   args:
     warn: no
-  when: internet_available and (is_debian_8 or is_debian_9 or is_ubuntu_16 or is_ubuntu_17)
+  when: internet_available and is_debuntu
+  #when: internet_available and (is_debian_8 or is_debian_9 or is_ubuntu_16 or is_ubuntu_17)
   # NOT NEC TO TEST FOR is_raspbian_8 OR is_raspbian_9 AS /opt/iiab/iiab/vars/<OS>.yml
   # DEFINES THESE AS SUBSETS OF is_debian_8 OR is_debian_9 (FOR NOW!)
 
-- name: Install latest Node.js which includes /usr/bin/npm (debuntu distros UP TO 2017)
+#- name: Install Node.js {{ nodejs_version }} which includes /usr/bin/npm (debuntu distros UP TO 2017)
+- name: Install Node.js {{ nodejs_version }} which includes /usr/bin/npm (debuntu)
   package:
-    name: nodejs
-    # name: nodejs=8.x
-    state: latest
-    # state: present
-  when: internet_available and (is_debian_8 or is_debian_9 or is_ubuntu_16 or is_ubuntu_17)
+  #   name: nodejs={{ nodejs_version }}
+      name: nodejs
+      state: latest
+  #   state: present
+  when: internet_available and is_debuntu
+  #when: internet_available and (is_debian_8 or is_debian_9 or is_ubuntu_16 or is_ubuntu_17)
+
+- name: Set up & install Node.js {{ nodejs_version }} which includes /usr/bin/npm (redhat)
+  shell: curl -sL https://rpm.nodesource.com/setup_{{ nodejs_version }} | bash -
+  args:
+    warn: no
+  when: internet_available and is_redhat
 
 # 2018-07-14: BOTH STEPS ABOVE TAKE TIME, but Raspbian (apt offers npm
 # 1.4.21) & Debian 9 (apt offers no npm!) STILL NEED the above
@@ -45,10 +57,10 @@
 # where it upgrades /usr/bin/npm in place:
 # https://askubuntu.com/questions/1036278/npm-is-incorrect-version-on-latest-ubuntu-18-04-installation
 
-- name: Install latest packages nodejs and npm (debuntu distros AFTER 2017, or other distros)
-  package:
-    name:
-      - nodejs
-      - npm
-    state: latest
-  when: internet_available and not (is_debian_8 or is_debian_9 or is_ubuntu_16 or is_ubuntu_17)
+# - name: Install packages nodejs {{ nodejs_version }} and npm (debuntu distros AFTER 2017, or other distros)
+#   package:
+#     name:
+#       - nodejs={{ nodejs_version }}    # Nec to change above from 'package:' to 'apt:' ?
+#       - npm
+#     state: latest
+#   when: internet_available and not (is_debian_8 or is_debian_9 or is_ubuntu_16 or is_ubuntu_17)
diff --git a/roles/nodered/tasks/main.yml b/roles/nodered/tasks/main.yml
index 7f2160a10..b99917afc 100644
--- a/roles/nodered/tasks/main.yml
+++ b/roles/nodered/tasks/main.yml
@@ -5,13 +5,13 @@
   shell: npm install -g --unsafe-perm node-red node-red-admin node-red-dashboard
   when: nodered_install
 
-- name: Ensure Linux group "nodered" exists
+- name: Ensure Linux group 'nodered' exists
   group:
     name: nodered
     state: present
   when: nodered_install
 
-- name: Ensure Linux user "nodered" exists and is added to group "nodered"
+- name: Ensure Linux user 'nodered' exists and is added to group 'nodered'
   user:
     name: nodered
     group: nodered
diff --git a/roles/nodered/templates/node-red.service.j2 b/roles/nodered/templates/node-red.service.j2
index aace44507..d6c9df000 100644
--- a/roles/nodered/templates/node-red.service.j2
+++ b/roles/nodered/templates/node-red.service.j2
@@ -3,11 +3,12 @@ Description=Node-RED
 After=syslog.target network.target
 
 [Service]
-{% if is_debian_8 or is_debian_9 or is_ubuntu_16 or is_ubuntu_17 %}
+# Ansible template HAD: if is_debian_8 or is_debian_9 or is_ubuntu_16 or is_ubuntu_17
+# Ansible template HAD: if is_debuntu
 ExecStart=/usr/bin/node-red-pi --max-old-space-size=128 -v
-{% else %}
-ExecStart=/usr/local/bin/node-red-pi --max-old-space-size=128 -v
-{% endif %}
+# Ansible template HAD: else
+# ExecStart=/usr/local/bin/node-red-pi --max-old-space-size=128 -v
+# Ansible template HAD: endif
 Restart=on-failure
 KillSignal=SIGINT
 
@@ -22,4 +23,3 @@ Group=nodered
 
 [Install]
 WantedBy=multi-user.target
-
diff --git a/roles/sshd/tasks/main.yml b/roles/sshd/tasks/main.yml
index b57335ada..c470206da 100644
--- a/roles/sshd/tasks/main.yml
+++ b/roles/sshd/tasks/main.yml
@@ -1,4 +1,4 @@
-- name: Install ssh daemon
+- name: "Install ssh daemon using package: {{ sshd_package }}"
   package:
     name: "{{ sshd_package }}"
     state: present
diff --git a/roles/sugarizer/defaults/main.yml b/roles/sugarizer/defaults/main.yml
index 762b4aa22..d636c6ab1 100644
--- a/roles/sugarizer/defaults/main.yml
+++ b/roles/sugarizer/defaults/main.yml
@@ -1,15 +1,20 @@
-sugarizer_install: True
-sugarizer_enabled: False
+# Might stall MongoDB on Power Failure: github.com/xsce/xsce/issues/879
+# Sugarizer 1.0.1+ strategies to solve? github.com/iiab/iiab/pull/957
 
-sugarizer_location: "{{ iiab_base }}"    # /opt/iiab
+# sugarizer_install: False
+# sugarizer_enabled: False
+# sugarizer_port: 8089
 
-sugarizer_version: sugarizer-1.0
-sugarizer_git_version: v1.1.0
+# All above are set in: github.com/iiab/iiab/blob/master/vars/default_vars.yml
+# If nec, change them by editing /etc/iiab/local_vars.yml prior to installing!
+
+sugarizer_dir_version: sugarizer-1.1.0    # WAS: sugarizer-1.0, sugarizer-master
+sugarizer_git_version: v1.1.0             # WAS: v1.0.1, master
 # PLEASE HELP MONITOR https://github.com/llaske/sugarizer/releases
 
-sugarizer_server_version: sugarizer-server-1.0
-sugarizer_server_git_version: v1.0.1    # "master" worked over July 11-14, 2018
+sugarizer_server_dir_version: sugarizer-server-dev                        # WAS: sugarizer-server-1.0, sugarizer-server-master
+sugarizer_server_git_version: 46c4822bc7801ff8d621c22988aa4418359e7e19    # WAS: v1.0.1, master, dev
+# Above commit (githash 46c4822... for iiab/iiab PR #1430 from 'dev' branch of
+# https://github.com/llaske/sugarizer-server) well tested Jan 29 - Feb 2 2019.
+#
 # PLEASE HELP MONITOR https://github.com/llaske/sugarizer-server/releases
-
-# Unused as of 2018-07-14
-# node_modules_exists: False
diff --git a/roles/sugarizer/tasks/main.yml b/roles/sugarizer/tasks/main.yml
index c02197a4c..649c8f3bf 100644
--- a/roles/sugarizer/tasks/main.yml
+++ b/roles/sugarizer/tasks/main.yml
@@ -1,27 +1,32 @@
+- name: FAIL (STOP INSTALLING) IF nodejs_version is not set to 10.x
+  fail:
+    msg: "Sugarizer install cannot proceeed, as it currently requires Node.js 10.x, and your nodejs_version is set to {{ nodejs_version }}.  Please check the value of nodejs_version in /opt/iiab/iiab/vars/default_vars.yml and possibly also /etc/iiab/local_vars.yml"
+  when: sugarizer_install and (nodejs_version != "10.x")
+
 # 0. CLEAN UP PRIOR VERSIONS OF SUGARIZER (NEEDS WORK!)
 
-- name: Wipe /library/www/html/sugarizer* if installing sugarizer-1.0
-  shell: "rm -rf {{ doc_root }}/sugarizer*"
-  args:
-    warn: no
-  when: sugarizer_version == "sugarizer-1.0"
+# - name: Wipe /library/www/html/sugarizer* if installing sugarizer-1.0
+#   shell: "rm -rf {{ doc_root }}/sugarizer*"
+#   args:
+#     warn: no
+#   when: sugarizer_dir_version == "sugarizer-1.0"
 
 
 # 1. DOWNLOAD+LINK /opt/iiab/sugarizer
 
-- name: Clone llaske/sugarizer ({{ sugarizer_git_version }}) from GitHub to /opt/iiab (MAY DOWNLOAD 600+ MB)
+- name: Clone llaske/sugarizer ({{ sugarizer_git_version }} branch/version) from GitHub to /opt/iiab/{{ sugarizer_dir_version }} (MAY DOWNLOAD 600+ MB)
   git:
     repo: https://github.com/llaske/sugarizer
-    dest: "{{ sugarizer_location }}/{{ sugarizer_version }}"
+    dest: "{{ iiab_base }}/{{ sugarizer_dir_version }}"
     version: "{{ sugarizer_git_version }}"
     force: yes
     depth: 1
   when: internet_available
 
-- name: Create symlink /opt/iiab/sugarizer -> /opt/iiab/{{ sugarizer_version }}
+- name: Create symlink /opt/iiab/sugarizer -> /opt/iiab/{{ sugarizer_dir_version }}
   file:
-    src: "{{ sugarizer_location }}/{{ sugarizer_version }}"
-    dest: "{{ sugarizer_location }}/sugarizer"
+    src: "{{ iiab_base }}/{{ sugarizer_dir_version }}"
+    dest: "{{ iiab_base }}/sugarizer"
     state: link
 
 
@@ -42,25 +47,25 @@
 # CLARIF: during repeat runs of "./runrole sugarizer", this git sync shows
 # "changed" (whereas above git sync shows "ok").  Reason: "npm install"
 # (below) modifies /opt/iiab/sugarizer-server/node_modules
-- name: Clone llaske/sugarizer-server ({{ sugarizer_server_git_version }}) from GitHub to /opt/iiab
+- name: Clone llaske/sugarizer-server ({{ sugarizer_server_git_version }} branch/version) from GitHub to /opt/iiab/{{ sugarizer_server_dir_version }}
   git:
     repo: https://github.com/llaske/sugarizer-server
-    dest: "{{ sugarizer_location }}/{{ sugarizer_server_version }}"
+    dest: "{{ iiab_base }}/{{ sugarizer_server_dir_version }}"
     version: "{{ sugarizer_server_git_version }}"
     force: yes
     depth: 1
   when: internet_available
 
-- name: Create symbolic link /opt/iiab/sugarizer-server -> /opt/iiab/{{ sugarizer_server_version }}
+- name: Create symlink /opt/iiab/sugarizer-server -> /opt/iiab/{{ sugarizer_server_dir_version }}
   file:
-    src: "{{ sugarizer_location }}/{{ sugarizer_server_version }}"
-    dest: "{{ sugarizer_location }}/sugarizer-server"
+    src: "{{ iiab_base }}/{{ sugarizer_server_dir_version }}"
+    dest: "{{ iiab_base }}/sugarizer-server"
     state: link
 
 
 # 3. INSTALL A GOOD VERSION OF Node.js AND npm
 
-# 2019-01-16: @jvonau's PR #1403 moved installation of Node.js (8.x for now) &
+# 2019-01-16/29: @jvonau's PR #1403 moved install of Node.js (10.x for now) &
 # npm to roles/nodejs/tasks/main.yml, triggered by roles/sugarizer/meta/main.yml
 
 
@@ -72,9 +77,9 @@
 # OLD WAY 2: "creates: ..." checks for non-existence of /opt/iiab/sugarizer-server-1.0/node_modules
 # OLD WAY 3: set "register: git_sug_server_output" above, then as nec delete /opt/iiab/sugarizer-server-1.0/node_modules "when: git_sug_server_output.changed" and as nec run "npm install"
 
-#- name: Check for /opt/iiab/{{ sugarizer_server_version }}/node_modules
+#- name: Check for /opt/iiab/sugarizer-server/node_modules
 #  stat:
-#    path: "{{ sugarizer_location }}/{{ sugarizer_server_version }}/node_modules"
+#    path: "{{ iiab_base }}/sugarizer-server/node_modules"
 #  register: nmtest
 #  ignore_errors: true
 #
@@ -114,11 +119,11 @@
 # gets the job done, for now!)
 
 #- name: Create the express framework for Node.js (OS's other than Fedora 18)
-- name: Run 'npm install --allow-root --unsafe-perm=true' to create /opt/iiab/{{ sugarizer_server_version }}/node_modules (CAN TAKE ~3 MINUTES)
+- name: Run 'npm install --allow-root --unsafe-perm=true' to create /opt/iiab/sugarizer-server/node_modules (CAN TAKE ~5 MINUTES)
   command: npm install --allow-root --unsafe-perm=true    # "command:" a bit safer than "shell:"
   args:
-    chdir: "{{ sugarizer_location }}/{{  sugarizer_server_version }}"
-    #creates: "{{ sugarizer_location }}/{{ sugarizer_server_version }}/node_modules"    # OLD WAY 2
+    chdir: "{{ iiab_base }}/sugarizer-server"
+    #creates: "{{ iiab_base }}/sugarizer-server/node_modules"    # OLD WAY 2
   when: internet_available    # "npm install" generally requires Internet access
 # when: internet_available and git_sug_server_output.changed    # OLD WAY 3
 # when: internet_available and not is_F18 and not node_modules_exists    # OLD WAY 1
@@ -126,31 +131,100 @@
 #- name: Create the express framework for Node.js (Fedora 18)
 #  shell: npm install
 #  args:
-#    chdir: "{{ sugarizer_location }}/sugarizer/server"
+#    chdir: "{{ iiab_base }}/sugarizer/server"
 #  when: internet_available and is_F18 and not node_modules_exists
 
-# Add a nodejs express function that appends a prefix to urls
-- name: Install path prefix proxy
-  command: npm install --allow-root --unsafe-perm=true path-prefix-proxy 
+# Add a Node.js Express function that appends a prefix to URLs.
+# SEE "AUTO-INSERTED BY IIAB" ~61 LINES BELOW: as those two "pathPrefix" lines
+# MUST be added to /opt/iiab/sugarizer-server/sugarizer.js
+- name: For http://box/sugarizer -- run 'npm install --allow-root --unsafe-perm=true path-prefix-proxy' to create /opt/iiab/sugarizer-server/node_modules/path-prefix-proxy
+  command: npm install --allow-root --unsafe-perm=true path-prefix-proxy
   args:
-    chdir: "{{ sugarizer_location }}/{{  sugarizer_server_version }}"
+    chdir: "{{ iiab_base }}/sugarizer-server"
   when: internet_available
 
 
-# 5. PLACE CONFIG FILES
+# 5. CONFIG FILES
 
-- name: "Install from templates: sugarizer.service (systemd), sugarizer.conf (Apache), sugarizer.ini and sugarizer-server"
+- name: "Install from templates: sugarizer.service (systemd), sugarizer.conf (Apache)"
   template:
     src: "{{ item.src }}"
     dest: "{{ item.dest }}"
-    mode: "{{ item.mode }}"
+    mode: 0644
     owner: root
     group: root
   with_items:
-    - { src: 'sugarizer.ini', dest: '{{ sugarizer_location }}/{{ sugarizer_server_version }}/env/sugarizer.ini', mode: '0644' }
-    - { src: 'sugarizer.conf', dest: '/etc/apache2/sites-available', mode: '0644' }
-    - { src: 'sugarizer.service.j2', dest: '/etc/systemd/system/sugarizer.service', mode: '0644' }
-    - { src: 'sugarizer.js', dest: '/opt/iiab/sugarizer-server', mode: '0644' }
+    - { src: 'sugarizer.service', dest: '/etc/systemd/system/sugarizer.service' }
+    - { src: 'sugarizer.conf.j2', dest: '/etc/apache2/sites-available/sugarizer.conf' }
+    #- { src: 'sugarizer.ini.j2', dest: '{{ iiab_base }}/sugarizer-server/env/sugarizer.ini' }
+    #- { src: 'sugarizer.js', dest: '{{ iiab_base }}/sugarizer-server' }
+
+# 3 [WAS 4] STANZAS ADDED BELOW JAN/FEB 2019, HOPING THIS MIGHT "JUST WORK" WITH
+# FUTURE UPGRADES BEYOND SUGARIZER 1.1? SEE github.com/iiab/iiab/pull/1430/files
+
+# sugarizer_port is set to 8089 in /opt/iiab/iiab/vars/default_vars.yml
+# If you need to change this, edit /etc/iiab/local_vars.yml prior to installing
+- name: Set Sugarizer port to {{ sugarizer_port }} in /opt/iiab/sugarizer-server/env/sugarizer.ini
+  lineinfile:
+    path: "{{ iiab_base }}/sugarizer-server/env/sugarizer.ini"
+    regexp: "^port = 8080$"
+    line: "port = {{ sugarizer_port }}"
+
+# 2019-02-02 No Longer Required thanks to @llaske's upstream fix:
+# https://github.com/llaske/sugarizer-server/commit/46c4822bc7801ff8d621c22988aa4418359e7e19
+## 2019-02-02: HACK WAS REQUIRED ON UBUNTU 18.04 so Sugarizer finds MongoDB
+## after 1st reboot.  Otherwise "Waiting for DB..." appears every second as
+## shown by "systemctl status sugarizer" and "journalctl -eu sugarizer".
+## This does NOT affect Ubuntu 16.04 or Raspbian.  @jvonau wonders if U18.04's
+## "nameserver 127.0.0.53" in /etc/resolv.conf is to blame?  @m-anish wondered
+## if "bind_ip: 127.0.0.1" in /etc/mongod.conf was to blame as suggested by
+## https://stackoverflow.com/questions/8904991/mongodb-cant-connect-to-localhost-but-can-connect-to-localhosts-ip-address
+## But changing to "bind_ip: localhost" does not work with Sugarizer, and
+## "bind_ip: 127.0.0.1,localhost" is not allowed.  BACKGROUND: PR #1430
+#- name: Set MongoDB "server" from localhost to 127.0.0.1 in /opt/iiab/sugarizer-server/env/sugarizer.ini
+#  lineinfile:
+#    path: "{{ iiab_base }}/sugarizer-server/env/sugarizer.ini"
+#    regexp: "^server = localhost$"
+#    line: "server = 127.0.0.1"
+
+# mongodb_port is set to 27018 in /opt/iiab/iiab/vars/default_vars.yml
+# If you need to change this, edit /etc/iiab/local_vars.yml prior to installing
+- name: Set MongoDB port to {{ mongodb_port }} in /opt/iiab/sugarizer-server/env/sugarizer.ini
+  lineinfile:
+    path: "{{ iiab_base }}/sugarizer-server/env/sugarizer.ini"
+    regexp: "^port = 27017$"
+    line: "port = {{ mongodb_port }}"
+
+# 2-LINE FIX FOR sugarizer.js BY @georgejhunt FOR http://box/sugarizer
+# SEE ~61 LINES ABOVE, as this is REQUIRED: 'npm install --allow-root --unsafe-perm=true path-prefix-proxy'
+# OR YOU GET ERRORS: "status=255" within "systemctl status sugarizer"
+#                    "Cannot find module 'path-prefix-proxy'" within "journalctl -eu sugarizer"
+- name: For http://box/sugarizer -- add pathPrefix lines in /opt/iiab/sugarizer-server/sugarizer.js
+  lineinfile:
+    path: "{{ iiab_base }}/sugarizer-server/sugarizer.js"
+    regexp: "AUTO-INSERTED BY IIAB"    # avoids inserting it twice!
+    insertbefore: "// Start listening$"
+    line: |    # SEE https://yaml-multiline.info (use |+ to 'keep' newlines at end...though |8 and |+4 "indentation indicators" don't work with Ansible)
+      // AUTO-INSERTED BY IIAB FOR http://box/sugarizer
+      var pathPrefix = '/sugarizer';
+      app.use(pathPrefix, require('path-prefix-proxy')(pathPrefix));
+    # Use this instead, if tabs are truly nec:
+    # line: "\t// AUTO-INSERTED BY IIAB FOR http://box/sugarizer\n\tvar pathPrefix = '/sugarizer';\n\tapp.use(pathPrefix, require('path-prefix-proxy')(pathPrefix));\n"
+
+# Ansible's blockinfile module:
+# - inserts a mandatory marker line at beginning AND end of the block...ok fine
+# - doesn't support adding a newline after the block...ugly :(
+# - doesn't include above lineinfile's "regexp" parameter...and so risks inserting the block repeatedly, on each run :(
+#
+#  blockinfile:
+#    path: /opt/iiab/sugarizer-server/sugarizer.js
+#    insertbefore: "// Start listening$"
+#    marker: "// {mark} AUTO-INSERTED BY IIAB FOR http://box/sugarizer"
+#    block: |
+#      var pathPrefix = '/sugarizer';
+#      app.use(pathPrefix, require('path-prefix-proxy')(pathPrefix));
+#    # Use this instead, if tabs are truly nec:
+#    # block: "\tvar pathPrefix = '/sugarizer';\n\tapp.use(pathPrefix, require('path-prefix-proxy')(pathPrefix));"
 
 - name: Create symlink sugarizer.conf from sites-enabled to sites-available, for short URL http://box/sugarizer (debuntu)
   file:
@@ -171,9 +245,9 @@
 - name: Enable & Restart systemd service if sugarizer_enabled, with "systemctl daemon-reload" (in case mongodb.service changed?)
   systemd:
     name: sugarizer
+    daemon_reload: yes
     enabled: yes
     state: restarted
-    daemon_reload: yes
   when: sugarizer_enabled
   
 - name: "Disable systemd service, if sugarizer_enabled: False"
@@ -183,7 +257,7 @@
     state: stopped
   when: not sugarizer_enabled
 
-- name: Restart Apache ({{ apache_service }}) to enable/disable http://box/sugarizer (not just http://box:8089)
+- name: Restart Apache service ({{ apache_service }}) to enable/disable http://box/sugarizer (not just http://box:{{ sugarizer_port }})
   systemd:
     name: "{{ apache_service }}"    # httpd or apache2
     state: restarted
diff --git a/roles/sugarizer/templates/sugarizer.conf b/roles/sugarizer/templates/sugarizer.conf
deleted file mode 100644
index 7f90d01ce..000000000
--- a/roles/sugarizer/templates/sugarizer.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-ProxyPass /sugarizer http://localhost:8089/sugarizer
-ProxyPassReverse /sugarizer http://localhost:8089/sugarizer
diff --git a/roles/sugarizer/templates/sugarizer.conf.j2 b/roles/sugarizer/templates/sugarizer.conf.j2
new file mode 100644
index 000000000..675aa86b3
--- /dev/null
+++ b/roles/sugarizer/templates/sugarizer.conf.j2
@@ -0,0 +1,5 @@
+# sugarizer_port is set to 8089 in /opt/iiab/iiab/vars/default_vars.yml
+# If you need to change this, edit /etc/iiab/local_vars.yml prior to installing
+
+ProxyPass /sugarizer http://localhost:{{ sugarizer_port }}/sugarizer
+ProxyPassReverse /sugarizer http://localhost:{{ sugarizer_port }}/sugarizer
diff --git a/roles/sugarizer/templates/sugarizer.ini b/roles/sugarizer/templates/sugarizer.ini.j2.deprecated
similarity index 100%
rename from roles/sugarizer/templates/sugarizer.ini
rename to roles/sugarizer/templates/sugarizer.ini.j2.deprecated
diff --git a/roles/sugarizer/templates/sugarizer.js b/roles/sugarizer/templates/sugarizer.js.deprecated
similarity index 100%
rename from roles/sugarizer/templates/sugarizer.js
rename to roles/sugarizer/templates/sugarizer.js.deprecated
diff --git a/roles/sugarizer/templates/sugarizer.service.j2 b/roles/sugarizer/templates/sugarizer.service
similarity index 100%
rename from roles/sugarizer/templates/sugarizer.service.j2
rename to roles/sugarizer/templates/sugarizer.service
diff --git a/roles/transmission/tasks/main.yml b/roles/transmission/tasks/main.yml
index 941de4565..724876b15 100644
--- a/roles/transmission/tasks/main.yml
+++ b/roles/transmission/tasks/main.yml
@@ -1,4 +1,4 @@
-- name: 'Install packages: transmission-daemon, transmission-cli'
+- name: "Install BitTorrent packages: transmission-daemon, transmission-cli"
   package:
     name:
       - transmission-daemon
diff --git a/roles/vnstat/tasks/main.yml b/roles/vnstat/tasks/main.yml
index 8815bd4b4..c71e668e5 100644
--- a/roles/vnstat/tasks/main.yml
+++ b/roles/vnstat/tasks/main.yml
@@ -1,4 +1,4 @@
-- name: Install vnstat package
+- name: Install 'vnstat' package
   package:
     name: vnstat
     state: present
diff --git a/roles/wordpress/tasks/install.yml b/roles/wordpress/tasks/install.yml
index 902d91162..bf696de58 100644
--- a/roles/wordpress/tasks/install.yml
+++ b/roles/wordpress/tasks/install.yml
@@ -130,7 +130,7 @@
     state: absent
   when: not wordpress_enabled and is_debuntu
 
-- name: Restart Apache to enable/disable http://box{{ wp_url }}
+- name: Restart Apache service ({{ apache_service }}) to enable/disable http://box{{ wp_url }}
   systemd:
     name: "{{ apache_service }}"
     state: restarted
diff --git a/vars/default_vars.yml b/vars/default_vars.yml
index 424838f2f..04bd83186 100644
--- a/vars/default_vars.yml
+++ b/vars/default_vars.yml
@@ -1,16 +1,13 @@
-# WARNING: DO NOT MODIFY THIS FILE.
-# CHANGES WILL BE LOST IF YOU DO A GIT PULL OR FETCH.
-# Instead put changes in your own /etc/iiab/local_vars.yml
-# PLZ READ http://wiki.laptop.org/go/IIAB/local_vars.yml AND http://FAQ.IIAB.IO
+# DO NOT MODIFY THIS FILE!  CHANGES WILL BE LOST WHEN "git pull" IS RUN!
+# PUT YOUR CUSTOMIZATIONS HERE: /etc/iiab/local_vars.yml
+# READ "What is local_vars.yml and how do I customize it?" IN http://FAQ.IIAB.IO
 
-# By convention we use True/False to indicate boolean constants.
+# By convention we use True/False to indicate boolean values.
 
 # Configuration Files
 iiab_local_vars_file: /etc/iiab/local_vars.yml
 iiab_env_file: /etc/iiab/iiab.env
 iiab_ini_file: /etc/iiab/iiab.ini
-#iiab_config_file: "{{ iiab_ini_file }}"    # Legacy support / let's phase this out eventually
-#service_filelist: "{{ iiab_ini_file }}"    # Legacy support / let's phase this out eventually
 
 iiab_base: /opt/iiab
 iiab_dir: "{{ iiab_base }}/iiab"
@@ -287,6 +284,10 @@ mosquitto_install: False
 mosquitto_enabled: False
 mosquitto_port: 1883
 
+# Node.js version used by roles/nodejs/tasks/main.yml for 3 roles:
+# nodered (Node-RED), pbx (Asterix, FreePBX) & sugarizer (Sugarizer)
+nodejs_version: 10.x    # was 8.x until 2019-01-31
+
 # Flow-based visual programming for wiring together IoT hardware devices etc
 nodered_install: False
 nodered_enabled: False
@@ -325,6 +326,14 @@ moodle_install: False
 moodle_enabled: False
 # If using Moodle intensively, set apache_high_php_limits in 3-BASE-SERVER
 
+# MongoDB (/library/dbdata/mongodb) is used by Sugarizer:
+# Its 2 settings below are auto-set to True (in roles/0-init/tasks/main.yml) when: sugarizer_enabled
+# The mongodb playbook itself is later invoked by roles/sugarizer/meta/main.yml
+mongodb_install: False
+mongodb_enabled: False
+mongodb_port: 27018
+
+# roles/sugarizer/meta/main.yml auto-invokes 2 above prereqs: mongodb & nodejs
 # Might stall MongoDB on Power Failure: github.com/xsce/xsce/issues/879
 # Sugarizer 1.0.1+ strategies to solve? github.com/iiab/iiab/pull/957
 sugarizer_install: False
diff --git a/vars/local_vars_big.yml b/vars/local_vars_big.yml
index ee60f1858..bbdeda7f3 100644
--- a/vars/local_vars_big.yml
+++ b/vars/local_vars_big.yml
@@ -199,6 +199,7 @@ nextcloud_enabled: True
 wordpress_install: True
 wordpress_enabled: True
 
+
 # 7-EDU-APPS
 
 # KA Lite - SEE THE "Transmission" BITTORRENT DOWNLOADER FURTHER BELOW, TO INSTALL THOUSANDS OF VIDEOS
diff --git a/vars/local_vars_medium.yml b/vars/local_vars_medium.yml
index cfa6ac0e8..02bda6c19 100644
--- a/vars/local_vars_medium.yml
+++ b/vars/local_vars_medium.yml
@@ -199,6 +199,7 @@ nextcloud_enabled: True
 wordpress_install: True
 wordpress_enabled: True
 
+
 # 7-EDU-APPS
 
 # KA Lite - SEE THE "Transmission" BITTORRENT DOWNLOADER FURTHER BELOW, TO INSTALL THOUSANDS OF VIDEOS
diff --git a/vars/local_vars_min.yml b/vars/local_vars_min.yml
index 88446893f..908c2eb87 100644
--- a/vars/local_vars_min.yml
+++ b/vars/local_vars_min.yml
@@ -199,6 +199,7 @@ nextcloud_enabled: False
 wordpress_install: False
 wordpress_enabled: False
 
+
 # 7-EDU-APPS
 
 # KA Lite - SEE THE "Transmission" BITTORRENT DOWNLOADER FURTHER BELOW, TO INSTALL THOUSANDS OF VIDEOS