Teaching chmod Without Teaching Fear
2024-11-12 · Marina Duarte
How we sequence permission labs so learners touch production-shaped risk in a contained way.
permissions · labs · pedagogy
Field notes
Short essays from instructors—not generic marketing posts.
Journald Filters That Survive Handoffs
2025-01-08 · Paula Nogueira
A few journalctl flags we insist on because they make night-shift notes readable.
logging · systemd · operations
Why We Delay Container Week
2025-03-02 · Bruno Teixeira
Containers arrive after mount discipline because skipping layers creates brittle admins.
containers · curriculum · cgroups
Mentor Notes That Read Like Field Reports
2025-02-19 · Elias Carvalho
The style guide we use so feedback feels actionable the next morning.
mentorship · feedback · culture
Designing Labs for Rural Uplink Realities
2024-09-30 · Carla Menezes
Bandwidth math and async modes for learners far from metro fiber.
accessibility · operations · brazil