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- name: Set hostname
  # Use double quoted scalars to force expansion of escape sequences
  # cf. https://groups.google.com/forum/#!topic/ansible-project/ZaB6o-eqDzw
  copy: "content='{{ inventory_hostname_short }}\n'
         dest=/etc/hostname
         owner=root group=root
         mode=0644"
  tags: hostname
  notify:
    - Refresh hostname

- name: Set mailname
  copy: "content='{{ inventory_hostname }}\n'
         dest=/etc/mailname
         owner=root group=root
         mode=0644"
  tags: mailname

- name: Fix /etc/hosts (1)
  lineinfile: "dest=/etc/hosts create=yes
               regexp='^127\\.0\\.0\\.1\\s+'
               line='127.0.0.1\tlocalhost'"
  tags: hosts

- name: Fix /etc/hosts (2)
  lineinfile: "dest=/etc/hosts create=yes
               regexp='^127\\.0\\.1\\.1\\s+'
               line='127.0.1.1\t{{ inventory_hostname }} {{ inventory_hostname_short }}'"
  tags: hosts

- meta: flush_handlers