---
- name: Install various useful tools
  become: yes
  apt:
    name:
      - htop
      - locales
      - vim
      - lsof
      - nmap
      - socat
    state: present

- name: Setup the default locale in locale.gen
  become: yes
  locale_gen:
    name: "{{ default_locale }}"
    state: present

- name: Setup the default locale in debconf
  become: yes
  debconf:
    name: locales
    question: locales/default_environment_locale
    value: "{{ default_locale }}"
    vtype: select
  notify: Rebuild locales database
...