Added variant with YAML linebreaks for slides

tasks/main_linebreak.yml

@@ -0,0 +1,27 @@
+---
+- name: Detect domain name
+  set_fact:
+    domainname: "{{ ansible_dns.domain|default(False) or ansible_dns.search.0|default(False) or ansible_domain|default(False) or 'invalid'}}"
+
+- name: Add name/IP to hosts file
+  lineinfile: >
+    dest=/etc/hosts
+    regexp='^{{ ansible_default_ipv4.address }}'
+    line='{{ ansible_default_ipv4.address }} {{ ansible_hostname }}.{{ domainname }} {{ ansible_hostname }}'
+    backup=yes
+
+- name: Clean/remove 127.0.1.1
+  lineinfile: >
+    dest=/etc/hosts
+    regexp='^127.0.1.1'
+    state=absent
+    backup=yes
+
+- name: Ensure 127.0.0.1 localhost
+  lineinfile: >
+    dest=/etc/hosts
+    regexp='127.0.0.1'
+    line='127.0.0.1 localhost localhost.localdomain'
+    insertbefore=BOF
+    backup=yes
+