DevOps

A jargon-free walk through ChatOps: the three message types you'll see, the three parts doing the work, the consequence ladder, and where the records belong.

A 2 a.m. failure at a company that disbanded its ops team, diagnosed properly: three misdiagnoses behind most NoOps failures and a five-step treatment plan.

A composite story of one engineering team's first DevExOps quarter: wiring two instruments, surviving a thin survey, three owned fixes and an honest verdict.

A friendly first look at TestOps for newcomers: what the discipline is, how a change travels the pipeline, the eight words you will hear, and starter habits.

A precise comparison of PlatformOps, DevOps and SRE across customers, deliverables, on-call and failure modes, plus the Team Topologies map for where each fits.

Nine enforceable rules for running GitOps where it counts: single change routes, pinned references, least privilege, guarded deletion, and rehearsed exits.

After a decade of delivery post-mortems, I keep returning to one instrument: a 90-day audit. Here is the checklist, and the stories behind each line.