diff --git a/roles/mongodb/tasks/install.yml b/roles/mongodb/tasks/install.yml
index d0e17d32a..77e596237 100644
--- a/roles/mongodb/tasks/install.yml
+++ b/roles/mongodb/tasks/install.yml
@@ -1,13 +1,5 @@
 # 1. INSTALL MongoDB PACKAGES OR BINARIES
 
-- name: "Install packages: mongodb, mongodb-server (not raspbian)"
-  package:
-    name:
-      - mongodb-server
-      - mongodb    # 2019-01-31: this package does not exist on (cannot be installed on) Debian 10, SEE #1437
-    state: present
-  when: internet_available and not is_raspbian
-
 # 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 Raspbian, all I found! (Raspbian's apt pkg is MongoDB 2.4.14)
@@ -18,86 +10,105 @@
 # 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 (raspbian)
-  file:
-    path: /tmp/mongodb-3.0.1x
-    state: directory
-  when: internet_available and is_raspbian
+- block:
+  - name: Create dir /tmp/mongodb-3.0.1x (aarch32)
+    file:
+      path: /tmp/mongodb-3.0.1x
+      state: directory
 
-- name: Download & unzip 20MB http://download.iiab.io/packages/mongodb_stretch_3_0_14_core.zip to /tmp/mongodb-3.0.1x (raspbian)
-  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_raspbian
+  - name: Download & unzip 20MB http://download.iiab.io/packages/mongodb_stretch_3_0_14_core.zip to /tmp/mongodb-3.0.1x (aarch32)
+    unarchive:
+      remote_src: yes
+      src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_core.zip"
+      dest: /tmp/mongodb-3.0.1x
 
-- name: Install (move) its 3 CORE binaries from /tmp/mongodb-3.0.1x/core to /usr/bin (raspbian)
-  shell: mv /tmp/mongodb-3.0.1x/core/* /usr/bin
-  when: internet_available and is_raspbian
+  - name: Install (move) its 3 CORE binaries from /tmp/mongodb-3.0.1x/core to /usr/bin (aarch32)
+    shell: mv /tmp/mongodb-3.0.1x/core/* /usr/bin
 
-- 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 (raspbian)
-  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_raspbian
+  - 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 (aarch32)
+    unarchive:
+      remote_src: yes
+      src: "{{ iiab_download_url }}/mongodb_stretch_3_0_14_tools.zip"
+      dest: /tmp/mongodb-3.0.1x
 
-- name: Install (move) its 9 TOOLS binaries from /opt/iiab/downloads/mongodb-3.0.1x/tools to /usr/bin (raspbian)
-  shell: mv /tmp/mongodb-3.0.1x/tools/* /usr/bin
-  when: internet_available and is_raspbian
+  - name: Install (move) its 9 TOOLS binaries from /opt/iiab/downloads/mongodb-3.0.1x/tools to /usr/bin (aarch32)
+    shell: mv /tmp/mongodb-3.0.1x/tools/* /usr/bin
 
-# 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 (raspbian)
-#  file:
-#    path: "{{ downloads_dir }}/mongodb-3.0.1x"
-#    state: directory
-#  when: internet_available and is_raspbian
-#
-#- name: Download & unzip MongoDB 3.0.14's 3 core binaries to /opt/iiab/downloads/mongodb-3.0.1x (raspbian)
-#  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_raspbian
-#
-#- name: Install (copy) 3 binaries from /opt/iiab/downloads/mongodb-3.0.1x/core to /usr/bin (raspbian)
-#  copy:
-#    src: "{{ item }}"
-#    dest: /usr/bin
-#  with_fileglob:
-#    - "{{ downloads_dir }}/mongodb-3.0.1x/core/*"
-#  when: internet_available and is_raspbian
-#
-#- name: Download & unzip MongoDB 3.0.15's 9 tools binaries to /opt/iiab/downloads/mongodb-3.0.1x (raspbian)
-#  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_raspbian
-#
-#- name: Install (copy) 9 binaries from /opt/iiab/downloads/mongodb-3.0.1x/tools to /usr/bin (raspbian)
-#  copy:
-#    src: "{{ item }}"
-#    dest: /usr/bin
-#  with_fileglob:
-#    - "{{ downloads_dir }}/mongodb-3.0.1x/tools/*"
-#  when: internet_available and is_raspbian
+  - name: Create Linux group mongodb (aarch32)
+    group:
+      name: mongodb
+      state: present
 
-- name: Create Linux group mongodb (raspbian)
-  group:
-    name: mongodb
-    state: present
-  when: is_raspbian | bool
+  - name: Create Linux user mongodb (aarch32)
+    user:
+      name: mongodb
+      group: mongodb    # primary group
+      groups: mongodb
+      home: /var/lib/mongodb
+      shell: /usr/sbin/nologin
 
-- name: Create Linux user mongodb (raspbian)
-  user:
-    name: mongodb
-    group: mongodb    # primary group
-    groups: mongodb
-    home: /var/lib/mongodb
-    shell: /usr/sbin/nologin
-  when: is_raspbian | bool
+  - name: Install /etc/mongod.conf from template (aarch32)
+    template:
+      src: "{{ item.src }}"
+      dest: "{{ item.dest }}"
+      owner: root
+      group: root
+      mode: "{{ item.mode }}"
+    with_items:
+      - { src: 'mongod.conf.j2', dest: "{{ mongodb_conf }}", mode: '0644' }    # i.e. /etc/mongod.conf
+
+
+  # end block
+  when: not (ansible_architecture == "amd64" or ansible_architecture == "aarch64")
+# 32 bit OS's get caught above should handle aarch32 including 32-bit ubuntu
+# from https://ubuntu.com/download/raspberry-pi. 20.4-32bit might fail untested
+# 32bit intel might puke as this was orginally deployed for raspbian. Haven't
+# see bootable 32bit intel installers for a while now.
+# 64 bit OS's proceed below.
+- block:
+  - name: Add mongodb.org signing key (only 64-bit support available)
+    shell: wget -qO - https://www.mongodb.org/static/pgp/server-4.4.asc | apt-key add -
+    args:
+      warn: false
+
+  - name: Add mongodb repo for Debian 10 (only amd64 support available)
+    apt_repository:
+      repo: deb http://repo.mongodb.org/apt/debian buster/mongodb-org/4.4 main
+      state: present
+      filename: mongodb-org
+    when: is_debian_10 and (ansible_architecture == "amd64")
+
+  # Debian 10 aarch64 might work below but is blocked in main.yml
+  - name: Add mongodb repo for Ubuntu 18 64bit or Raspbian-aarch64
+    apt_repository:
+      repo: deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.4 multiverse
+      state: present
+      filename: mongodb-org
+    when: (ansible_architecture == "aarch64" and is_raspbian_10) or is_ubuntu_18
+
+  - name: Add mongodb repo for Ubuntu 20 64bit
+    apt_repository:
+      repo: deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/4.4 multiverse
+      state: present
+      filename: mongodb-org
+    when: is_ubuntu_20 and (ansible_architecture == "aarch64" or ansible_architecture == "amd64")
+
+  - name: "Install packages: mongodb-org, mongodb-org-server"
+    package:
+      name:
+        - mongodb-org
+        - mongodb-org-server
+      state: present
+
+  - name: Change the mongodb port to 27018
+    lineinfile:
+      path: /etc/mongod.conf
+      regexp: 'port: 27017'
+      backrefs: yes
+      line: '  port: 27018'
+
+  # end block
+  when: (ansible_architecture == "aarch64") or (ansible_architecture == "amd64")
 
 
 # 2. CONFIGURE MongoDB FOR IIAB
@@ -114,7 +125,7 @@
     - /var/log/mongodb
     - "{{ mongodb_db_path }}"    # i.e. /library/dbdata/mongodb/
 
-- name: Install /etc/mongod.conf, mongodb.service, /usr/bin/iiab-mongodb-repair-if-no-lock from templates
+- name: Install mongodb.service, /usr/bin/iiab-mongodb-repair-if-no-lock from templates
   template:
     src: "{{ item.src }}"
     dest: "{{ item.dest }}"
@@ -122,10 +133,17 @@
     group: root
     mode: "{{ item.mode }}"
   with_items:
-    - { 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' }
 
+# daemon_reload is used to force systemd to recognize a newly installed .service file
+# restarted here to ensure the port has been changed
+- name: Disable 'mongodb' systemd service - started on demand by sugarizer
+  systemd:
+    name: mongodb
+    daemon_reload: yes
+    enabled: no
+    state: restarted
 
 # 3. RECORD MongoDB AS INSTALLED
 
diff --git a/roles/mongodb/tasks/main.yml b/roles/mongodb/tasks/main.yml
index 0354e808c..fdf726280 100644
--- a/roles/mongodb/tasks/main.yml
+++ b/roles/mongodb/tasks/main.yml
@@ -31,24 +31,38 @@
 - debug:
     var: is_raspbian
 
-- name: EXIT 'mongodb' ROLE & CONTINUE, IF 'is_debian and not is_raspbian' i.e. TRUE DEBIAN (where MongoDB no longer exists)
+# might be able to lift this once we know using bionic would work
+- name: EXIT 'mongodb' ROLE & CONTINUE, IF 'is_debian_10 and aarch64 and not is_raspbian' i.e. TRUE DEBIAN with arch64
   fail:    # FORCE IT RED THIS ONCE!
-    msg: ATTEMPTED MongoDB INSTALLATION WITH (TRUE) DEBIAN, which is no longer supported.  Nevertheless IIAB will continue (consider this a warning!)
-  when: is_debian and not is_raspbian
-  #when: (is_debian and not is_raspbian) and (not is_debian_8) and (not is_debian_9)    # Test for Debian 10+
+    msg: ATTEMPTED MongoDB INSTALLATION WITH (TRUE) DEBIAN aarch64, which is not supported upstream.  Nevertheless IIAB will continue (consider this a warning!)
+  when: (ansible_architecture == "aarch64") and is_debian_10 and not is_raspbian
   ignore_errors: yes
 
 # ELSE...
+- name: Install MongoDB if 'mongodb_installed' not defined, e.g. in {{ iiab_state_file }}    # /etc/iiab/iiab_state.yml
+  include_tasks: install.yml
+  when: mongodb_installed is undefined and not (ansible_architecture == "aarch64" and is_debian_10 and not is_raspbian)
 
-- name: Install/Enable/Disable/Record MongoDB (main2.yml) if is_raspbian or not is_debian, i.e. not True Debian
-  include_tasks: main2.yml
-  when: is_raspbian or not is_debian
+- name: Disable & Stop 'mongodb' service, if not mongodb_enabled
+  systemd:
+    name: mongodb
+    enabled: no
+    state: stopped
+  when: not mongodb_enabled and mongodb_installed is defined
 
-# THE block: APPROACH BELOW WORKS JUST LIKE main2.yml ABOVE.
-# BUT IT VISUALLY POLLUTES: MANY BLUE "skipping:" MESSAGES IN ANSIBLE'S OUTPUT.
+#'mongodb' systemd service - started on demand by sugarizer
+# Just recording that mongodb should be running
 
-# - block:    # ENTIRE BLOCK CONDITIONED ON 'when: is_raspbian or not is_debian'
-#
-#   [MOVED TO main2.yml]
-#
-#   when: is_raspbian or not is_debian    # CONDITION FOR ENTIRE ABOVE block: 
+- name: Add 'mongodb' variable values to {{ iiab_ini_file }}
+  ini_file:
+    path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
+    section: mongodb
+    option: "{{ item.option }}"
+    value: "{{ item.value | string }}"
+  with_items:
+    - option: name
+      value: MongoDB
+    - option: description
+      value: '"MongoDB is an open-source document database that provides high performance, high availability, and automatic scaling."'
+    - option: enabled
+      value: "{{ mongodb_enabled }}"
diff --git a/roles/mongodb/tasks/main2.yml b/roles/mongodb/tasks/main2.yml
deleted file mode 100644
index d3ac75edb..000000000
--- a/roles/mongodb/tasks/main2.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-- name: Install MongoDB if 'mongodb_installed' not defined, e.g. in {{ iiab_state_file }}    # /etc/iiab/iiab_state.yml
-  include_tasks: install.yml
-  when: mongodb_installed is undefined
-
-
-- 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
-  when: mongodb_enabled | bool
-
-- name: Disable & Stop 'mongodb' service, if not mongodb_enabled
-  systemd:
-    name: mongodb
-    enabled: no
-    state: stopped
-  when: not mongodb_enabled
-
-
-- name: Add 'mongodb' variable values to {{ iiab_ini_file }}
-  ini_file:
-    path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
-    section: mongodb
-    option: "{{ item.option }}"
-    value: "{{ item.value | string }}"
-  with_items:
-    - option: name
-      value: MongoDB
-    - option: description
-      value: '"MongoDB is an open-source document database that provides high performance, high availability, and automatic scaling."'
-    - option: enabled
-      value: "{{ mongodb_enabled }}"
diff --git a/roles/sugarizer/tasks/main.yml b/roles/sugarizer/tasks/main.yml
index 3e21e93c3..a99758b90 100644
--- a/roles/sugarizer/tasks/main.yml
+++ b/roles/sugarizer/tasks/main.yml
@@ -22,12 +22,18 @@
 # 3 stanzas moved up from install.yml, so Debian finishes "BIG" IIAB install:
 # (WITH LOUD RED WARNINGS!)
 
-- name: "Set 'mongodb_install: True' and 'mongodb_enabled: True'"
+# If we got here sugarizer_install is True
+- name: "Set 'mongodb_install: True'"
   set_fact:
     mongodb_install: True
-    mongodb_enabled: True
 
-- name: MONGODB - run 'mongodb' role (attempt to install & enable MongoDB)
+# auto started by sugarizer.service just to record that mongodb should be running
+- name: "Set 'mongodb_enabled: True' when sugarizer_enabled"
+  set_fact:
+    mongodb_enabled: True
+  when: sugarizer_enabled
+
+- name: MONGODB - run 'mongodb' role (attempt to install MongoDB)
   include_role:
     name: mongodb
 
diff --git a/roles/sugarizer/tasks/main2.yml b/roles/sugarizer/tasks/main2.yml
index 624fce191..8de4160fc 100644
--- a/roles/sugarizer/tasks/main2.yml
+++ b/roles/sugarizer/tasks/main2.yml
@@ -18,27 +18,13 @@
 
   when: sugarizer_enabled | bool    # CONDITION FOR 2-STANZA block: ABOVE
 
-- block:    # 3 STANZAS BELOW, CONDITIONED ON 'when: not sugarizer_enabled'
-
   # Stops 'sugarizer' but not 'mongodb'
-  - name: Disable & Stop 'sugarizer' systemd service, if not sugarizer_enabled
-    systemd:
-      name: sugarizer
-      enabled: no
-      state: stopped
-
-  # Disable & Stop 'mongodb' via 2 stanzas below
-  # (meta/main.yml did this in the past)
-
-  - name: "Set 'mongodb_enabled: False' if not sugarizer_enabled"
-    set_fact:
-      mongodb_enabled: False
-
-  - name: MONGODB - run 'mongodb' role, to Disable & Stop MongoDB, if not sugarizer_enabled
-    include_role:
-      name: mongodb
-
-  when: not sugarizer_enabled    # CONDITION FOR 3-STANZA block: ABOVE
+- name: Disable & Stop 'sugarizer' systemd service, if not sugarizer_enabled
+  systemd:
+    name: sugarizer
+    enabled: no
+    state: stopped
+  when: not sugarizer_enabled
 
 - name: Enable/Disable/Restart Apache if primary
   include_tasks: apache.yml