Learn ANSIBLE with Real Code Examples
Updated Nov 27, 2025
Practical Examples
Install Nginx on all web servers
Deploy Python app with virtualenv and dependencies
Configure firewall rules and user accounts
Sync configuration files using templates
Automate AWS EC2 provisioning and security groups
Troubleshooting
Check YAML syntax and indentation
Verify SSH connectivity to managed nodes
Use verbose mode (-vvv) to debug
Check for missing modules or roles
Ensure correct Python version on managed nodes
Testing Guide
Test playbooks with --check mode
Validate tasks using ansible-lint
Dry-run on staging environments
Use molecule framework for role testing
Verify idempotency by running multiple times
Deployment Options
Manual CLI runs from controller
Scheduled via cron or CI/CD pipelines
AWX/Tower job templates for managed execution
Dynamic inventories with cloud APIs
Integration with configuration drift detection
Tools Ecosystem
Ansible CLI
Ansible Galaxy
AWX (open-source Tower)
Ansible Lint
Collections and plugins from community
Integrations
AWS, Azure, GCP, OpenStack modules
Docker and Kubernetes deployment modules
Network devices (Cisco, Juniper, Arista, etc.)
CI/CD pipelines (Jenkins, GitLab CI)
Monitoring and logging integrations
Productivity Tips
Use roles and collections for reusability
Encrypt sensitive variables with vault
Test playbooks incrementally
Use dynamic inventories for cloud environments
Leverage Ansible Galaxy for community roles
Challenges
Managing large inventories
Debugging idempotency issues
Handling complex role dependencies
Template syntax errors in Jinja2
Scaling agentless execution across hundreds of nodes