-numerous changes to work with Raspbian 10

-redo of some roles, particularly GUI
-modifications to support working from a "Raspbian Lite" install

roles/nrpe/tasks/main.yaml

@@ -1,38 +1,38 @@
----
-- name: Install nrpe and plugins
-  become: true
-  apt:
-          name: "{{ packages }}"
-  vars:
-          packages:
-                  - nagios-nrpe-server
-                  - monitoring-plugins
-  tags: install_nrpe
-- name: Copy configuration files
-  become: true
-  copy:
-          src: "{{ item.src }}"
-          dest: "{{ item.dest }}"
-          owner: root
-          group: root
-          mode: a+x
-  with_items:
-          - { src: "{{ role_path }}/files/nrpe.cfg", dest: "/etc/nagios" }
-          - { src: "{{ role_path }}/files/nrpe_local.cfg", dest: "/etc/nagios" }
-          - { src: "{{ role_path }}/files/check_mem.pl", dest: "/usr/lib/nagios/plugins" }
-  tags: configure_nrpe
-- name: enable nrpe
-  become: true
-  systemd:
-          name: nagios-nrpe-server
-          enabled: yes
-          masked: no
-          state: restarted
-  tags: enable_nrpe
-- lineinfile:
-    path: "/etc/sudoers"
-    state: present
-    line: "nagios          ALL=(ALL) NOPASSWD: /usr/lib/nagios/plugins/"
-    validate: "/usr/sbin/visudo -cf %s"
-  become: true
-  tags: nagios_sudo
+---
+- name: Install nrpe and plugins
+  become: true
+  apt:
+          name: "{{ packages }}"
+  vars:
+          packages:
+                  - nagios-nrpe-server
+                  - monitoring-plugins
+  tags: install_nrpe
+- name: Copy configuration files
+  become: true
+  copy:
+          src: "{{ item.src }}"
+          dest: "{{ item.dest }}"
+          owner: root
+          group: root
+          mode: a+x
+  with_items:
+          - { src: "{{ role_path }}/files/nrpe.cfg", dest: "/etc/nagios" }
+          - { src: "{{ role_path }}/files/nrpe_local.cfg", dest: "/etc/nagios" }
+          - { src: "{{ role_path }}/files/check_mem.pl", dest: "/usr/lib/nagios/plugins" }
+  tags: configure_nrpe
+- name: enable nrpe
+  become: true
+  systemd:
+          name: nagios-nrpe-server
+          enabled: yes
+          masked: no
+          state: restarted
+  tags: enable_nrpe
+- lineinfile:
+    path: "/etc/sudoers"
+    state: present
+    line: "nagios          ALL=(ALL) NOPASSWD: /usr/lib/nagios/plugins/"
+    validate: "/usr/sbin/visudo -cf %s"
+  become: true
+  tags: nagios_sudo