Ansible Documentation: Complete Reference & Quick Start Guide (2026)

Looking for Ansible documentation? This page is your complete reference hub — whether you need the official docs, module references, or practical guides to get started.

Official Ansible Documentation

| Resource | URL | Description | |----------|-----|-------------| | Ansible Core Docs | docs.ansible.com | Official documentation for Ansible core | | Module Index | Module Index | Complete list of all Ansible modules | | Ansible Galaxy | galaxy.ansible.com | Community roles and collections | | Ansible Lint | ansible-lint.readthedocs.io | Linting rules and best practices | | AWX/Controller | ansible.readthedocs.io/projects/awx | AWX/Automation Controller docs |

See also: Getting Started with Ansible: First Playbook in 10 Minutes

Quick Start: Your First Playbook in 5 Minutes

1. Install Ansible

# Ubuntu/Debian
sudo apt update && sudo apt install ansible -y
# RHEL/CentOS/Fedora
sudo dnf install ansible-core -y
# macOS
brew install ansible
# pip (any OS)
pip install ansible

→ Full install guides: Ubuntu 24.04 | Fedora 42 | RHEL | pip | All distros

2. Create an Inventory

# inventory.ini
[webservers]
web1.example.com
web2.example.com
[databases]
db1.example.com

→ Complete guide: building an Ansible inventory

3. Write a Playbook

# site.yml
- name: Configure web servers
  hosts: webservers
  become: true
  tasks:
    - name: Install nginx
      ansible.builtin.apt:
        name: nginx
        state: present
- name: Start nginx
      ansible.builtin.service:
        name: nginx
        state: started
        enabled: true

4. Run It

ansible-playbook -i inventory.ini site.yml

Core Concepts Reference

Playbooks & Tasks

| Concept | Description | Guide | |---------|-------------|-------| | Playbooks | YAML files defining automation tasks | Playbook Examples | | Tasks | Individual units of work | Module Guide | | Handlers | Tasks triggered by changes | Handlers Guide | | Roles | Reusable automation packages | Roles Guide | | Templates | Jinja2 file generation | Template Guide |

Control Flow

| Feature | Description | Guide | |---------|-------------|-------| | Conditionals | when: statements | When Guide | | Loops | loop: and with_items: | Loops Guide | | Blocks | Group tasks with error handling | Error Handling | | Tags | Selectively run tasks | Ansible Best Practices | | Check Mode | Dry-run playbooks | Check Mode Guide |

Variables & Facts

| Feature | Description | Guide | |---------|-------------|-------| | Variables | vars:, vars_files:, extra_vars | Extra Variables | | Facts | Auto-discovered system info | Ansible Facts | | set_fact | Define variables at runtime | set_fact Guide | | Vault | Encrypt sensitive data | Vault Guide | | Filters | Transform data with Jinja2 | selectattr |

See also: Ansible Community Meetup 2024: Updates, Releases, and Networking

Most-Used Modules

File Management

| Module | Purpose | Guide | |--------|---------|-------| | ansible.builtin.copy | Copy files to remote | Copy Guide | | ansible.builtin.file | Manage files/dirs/links | File Guide | | ansible.builtin.template | Generate files from Jinja2 | Template Guide | | ansible.builtin.lineinfile | Edit single line in file | lineinfile | | ansible.builtin.unarchive | Extract archives | unarchive | | ansible.builtin.fetch | Download from remote | fetch | | ansible.builtin.stat | Get file info | stat | | ansible.builtin.slurp | Read remote file content | slurp |

System & Services

| Module | Purpose | Guide | |--------|---------|-------| | ansible.builtin.service | Manage services | Service Guide | | ansible.builtin.user | Manage users | User Guide | | ansible.builtin.cron | Schedule tasks | Cron Guide | | ansible.builtin.apt | Debian packages | Install Ansible Ubuntu | | ansible.builtin.dnf | RHEL packages | Install Ansible Fedora | | ansible.builtin.reboot | Reboot hosts | Reboot Guide |

Commands & Scripts

| Module | Purpose | Guide | |--------|---------|-------| | ansible.builtin.command | Run commands | Command vs Shell | | ansible.builtin.shell | Run shell commands | Command vs Shell | | ansible.builtin.script | Run scripts | Script Guide | | ansible.builtin.debug | Print variables | Debug Guide |

Networking & Web

| Module | Purpose | Guide | |--------|---------|-------| | ansible.builtin.uri | HTTP requests | URI Module | | ansible.builtin.get_url | Download files | get_url | | ansible.builtin.git | Git operations | Git Module | | ansible.posix.mount | Mount filesystems | Mount Guide |

Platform Guides

| Platform | Guide | |----------|-------| | Windows | Ansible for Windows | | Docker | community.docker collection overview | | AWS | the Ansible AWS reference | | Nginx | Nginx hardening via Ansible |

See also: Ansible Development: Write Custom Modules, Plugins & Collections

Tools & Ecosystem

| Tool | Purpose | Guide | |------|---------|-------| | Ansible Galaxy | Share & download roles | Galaxy Guide | | AWX | Web UI for Ansible | AWX Guide | | Ansible Vault | Secret management | Vault Guide | | Ansible Lint | Code quality | Lint Guide | | ansible.cfg | Configuration file | ansible.cfg Guide | | Ansible vs Ansible-core | Package differences | Comparison |

Privilege Escalation

# In playbook
- name: Task requiring sudo
  ansible.builtin.apt:
    name: nginx
  become: true
  become_user: root
  become_method: sudo

→ Complete guide: Ansible Become & Privilege Escalation

Troubleshooting

| Error | Solution | |-------|----------| | sshpass not found | Install sshpass | | Vault decrypt failed | Vault troubleshooting | | ModuleNotFoundError: ansible | Fix module error | | Host key checking | Disable host key check | | Missing sudo password | Fix sudo error | | Python interpreter | Configure interpreter |

FAQ

What is the latest version of Ansible?

As of 2026, the latest Ansible core version is in the 2.17.x series. Check ansible --version or visit pypi.org/project/ansible-core for the latest.

What is the difference between Ansible and ansible-core?

ansible-core is the minimal engine. The ansible package includes ansible-core plus community collections. See our detailed comparison.

Is Ansible free?

Yes! Ansible core and AWX are open source. Red Hat's Ansible Automation Platform is the commercial offering with support, certified content, and enterprise features.

Where can I learn Ansible?

Start with the Quick Start above, then explore our 900+ tutorials covering every module, pattern, and best practice.

Related Articles

• What are Ansible Modules? • Ansible Inventory Guide • role dependencies in Ansible • switching users with Ansible become • Ansible SDK: Complete Developer Guide • Ansible Dev Tools v26.4.0 • Ansible Community Forum • Ansible Creator CLI: Scaffold Collections & Roles

Related: Ansible Core March 2026 Releases