Completed 'services' role + tested on empty node. I also moved task from the main playbook to the 'common' role to better reflect the actions taken by each role

dnaclab_linux/roles/common/tasks/main.yml

@@ -0,0 +1,21 @@
+---
+- name: Update and upgrade current packages
+  ansible.builtin.apt:
+    update_cache: yes
+    upgrade: yes
+
+- name: Create a user with sudo privileges which will be used for managing the host via SSH
+  ansible.builtin.user:
+    name: "{{ local_user }}"
+    state: present
+    groups: sudo
+    append: true
+    create_home: true
+    shell: /bin/bash
+    password: "{{ local_password }}"
+
+- name: Set authorized key for remote SSH access (passwordless login)
+  ansible.posix.authorized_key:
+    user: "{{ local_user }}"
+    state: present
+    key: "{{ local_key }}"