Ansible is a powerful automation tool that can be used to manage also system configurations, services, and software packages across multiple servers. It uses a simple, human-readable language called YAML to define automation tasks in the form of playbooks.
Ansible can be used to manage various system configurations, ensuring consistency and compliance across your infrastructure.
- Configure network interfaces, IP addresses, and routing tables.
- Manage firewall rules and security settings.
- Create, update, and delete user accounts.
- Manage user groups and permissions.
- Ensure consistent user configurations across all servers.
- Use templates to manage configuration files.
- Ensure configuration files are consistent and up-to-date.
- Use variables and conditionals to customize configurations for different environments.
Ansible can manage the state of services, ensuring they are running as expected.
- Start, stop, and restart services.
- Enable or disable services to start at boot.
- Monitor service status and ensure they are running.
¶ Handlers
- Use handlers to manage service dependencies.
- Trigger handlers to restart services when configuration files change.
- Ensure services are restarted in the correct order.
Ansible can manage software packages, ensuring the correct versions are installed and up-to-date.
- Install and remove software packages.
- Use package managers like yum, apt, and dnf.
- Ensure packages are installed with the correct versions.
- Update software packages to the latest versions.
- Manage package repositories and sources.
- Ensure systems are secure with the latest patches.
- Use version control for your playbooks and configurations.
- Test playbooks in a staging environment before deploying to production.
- Use roles to organize and reuse playbooks.
- Keep playbooks idempotent to ensure they can be run multiple times without causing issues.
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