system

1---
2- name: Set hostname
3  ansible.builtin.hostname:
4    name: "{{ inventory_hostname }}"
5  become: true
6
7- name: Ensure /etc/hosts has our managed hostname block
8  ansible.builtin.blockinfile:
9    path: /etc/hosts
10    block: |
11      127.0.0.1 {{ inventory_hostname }}
12    marker: "# {mark} ANSIBLE MANAGED HOSTNAME"
13    create: true
14    owner: root
15    group: root
16    mode: '0644'
17  become: true
18