commit 495ce63cdf08577c7f94f63caf232e97fdd0bf9c
Author: Sven Velt <sven@velt.de>
Date:   Tue Nov 27 14:32:06 2018 +0100

    Initial commit

diff --git a/tasks/main.yml b/tasks/main.yml
new file mode 100644
index 0000000..c5b50a2
--- /dev/null
+++ b/tasks/main.yml
@@ -0,0 +1,30 @@
+---
+- name: Add name/IP to hosts file
+  lineinfile:
+    dest: /etc/hosts
+    regexp: '^{{ ansible_default_ipv4.address }}.*{{ ansible_hostname }}\.ansible\.kurs.*{{ ansible_hostname }}'
+    line: '{{ ansible_default_ipv4.address }} {{ ansible_hostname }}.ansible.kurs {{ ansible_hostname }}'
+    backup: yes
+
+- name: Clean/remove 127.0.1.1
+  lineinfile:
+    dest: /etc/hosts
+    regexp: '127.0.1.1.*{{ ansible_hostname }}'
+    state: absent
+    backup: yes
+
+- name: Clean/remove 127.0.0.1 ... Hostname
+  lineinfile:
+    dest: /etc/hosts
+    regexp: '127.0.0.1.*{{ ansible_hostname }}'
+    state: absent
+    backup: yes
+
+- name: Ensure 127.0.0.1 localhost
+  lineinfile:
+    dest: /etc/hosts
+    regexp: '127.0.0.1.*localhost'
+    line: '127.0.0.1 localhost localhost.localdomain   # from Ansible'
+    insertbefore: BOF
+    backup: yes
+