Bitbucket: Repositories, Pipelines & Deployments

Repository setup, Bitbucket Pipelines YAML, branching permissions, pull requests, and deployment stages to servers and cloud targets.

Nagios Monitoring: NRPE, Checks & Alerting

Nagios Core installation, NRPE agent setup, host and service checks, notification/escalation rules, and the commands you'll run daily.

Ansible Automation: Inventory, Playbooks & Roles

Inventory files, playbooks, variables, roles, handlers, Ansible Vault, and real-world playbooks for hardening and deploying servers at scale.

Jenkins CI/CD: Pipelines, Agents & Deployments

Installation, declarative pipelines, agents, credentials, GitHub/Bitbucket webhooks, deployment stages, and pipeline troubleshooting.