Published thinking
Authoritative books and research on operational reality.
DAILYOPS / OPERATIONAL INTELLIGENCE
The Real-World
IT Operations.
Books, field research and learning for building, running and defending what matters. Tools for operators. Intelligence for decisions.
Read the fieldThe operational fieldIssue 01 / system sensemaking
A map of attention, evidence and operational judgement.
THE PUBLICATION AT WORK
Field evidence
Original field research and after-action insight.
Structured practice
Learning paths that turn knowledge into competence.
Product systems
Security tools and references for the work that matters.
THE WORK IN CONTEXT
What connects the next decision.
01NOW STUDYING
When green does not mean healthy.
A dossier on the distance between an indicator, a service and a judgement.
02IN PRACTICE
Find latency before it makes the decision for you.
A practice path for examining service conditions under pressure.
03FROM THE LIBRARY
Beyond the Firewall
A field text on the work that must be protected before it becomes visible.
EVIDENCE / WHAT IS BEING TESTED NOW
Latest from the field
Situations where a system’s apparent state is not enough to explain what really matters.
FIELD NOTE / OBSERVABILITY
Everything was green. Everything was broken.
A production incident timeline and five lessons on why green dashboards do not guarantee healthy systems.
Read the Field NoteTHE WEEKLY FIELD SIGNAL
Receive the next note before it becomes obvious.
Operational perspective, useful references and the next readings from the field.
THE READING DESK
Three readings for the next decision.
A short selection of guides and notes that extend the field work.
RUNBOOK / NETWORKING
There's Nothing More Permanent Than a Temporary Firewall Rule
That emergency firewall exception was supposed to last five minutes. Months later, it's still there - quietly expanding your attack surface.
ANALYSIS / SYSTEM DESIGN
Knowledge Silos: The Most Dangerous Single Point of Failure in IT
Your infrastructure may be redundant, monitored, and highly available - but if only one person knows how it works, your biggest outage is still waiting to happen.
GUIDE / AI & OPERATIONS
Hope Is Not a Rollback Strategy: Every Deployment Needs an Exit Plan
A deployment plan gets you into production. A rollback plan gets you out when things go wrong.
The Operator’s Library
Essential texts for operational excellence. Timeless principles. Contemporary realities.View the catalogueFollow the next note01 / PILOT VOLUME / SAMPLE AVAILABLE
Beyond the Firewall
The Reality of Modern IT OperationsThe perimeter is not the system. The user transaction is.
Open the volume