Infrastructure Automation
Ansible + systemd Timers for Bare-Metal Releases
Ideal for teams still shipping to metal or constrained VMs. You practice staged restarts, cgroup-aware rollouts, and pairing systemd units with Ansible handlers that refuse to flap.
Format: Self-paced with mentor checkpoints · Timeline: 4 weeks · 28h guided
List price: BRL 980 (informational, no checkout on this site)
Bruna Aguiar
Student advisor turned automation mentor after coordinating field techs.
Module map
- Handler idempotency patterns with journald breadcrumbs
- Timer jitter strategies to avoid thundering herds
- Health check scripts with explicit timeouts
- Inventory layering for POP vs core roles
- Vault usage without sharing long-lived secrets in chat
- Post-deploy verification playbooks
- Handwritten rollback checklist template
Outcomes we expect to see
Ship a timer-driven release with documented blast radius
Prove journald traces map to each Ansible task
Produce a bare-metal rollback rehearsal recording
FAQ — includes hard truths
Out of scope; playbooks assume systemd-capable hosts.
Mentor-reviewed quotes
Timer jitter lab mirrored our POP reboot storms. Still want more Windows sidecars, but that was disclosed up front.
Gustavo L. · Field reliability · 4/5 · Trustpilot