devops

An Ansible reference covering ad-hoc commands, inventory management, common modules (copy, template, service, shell), Playbook structure, and syntax and check validation.

Vagrant turns a machine image plus a Vagrantfile into a reproducible local VM that the whole team can share. This reference covers the init/up/ssh/destroy lifecycle, Vagrantfile settings, multi-machine definitions, and Provision automation, with notes on synced folders and port forwarding.

Terraform manages infrastructure as code through declarative HCL, with init → plan → apply → destroy as the core loop. This reference covers that lifecycle, state-file management, variables and outputs, module references and remote backends, plus hygiene commands like fmt and validate.

An AWS CLI reference covering authentication and configuration, the EC2 instance lifecycle, S3 object operations, IAM users and policies, and common query and management commands across resources.