One method, five levels of responsibility

Every book applies the same four quadrants: Structure it, Understand it, Choose tools, Build it. What changes from Level 1 to Level 5 is who is affected when it goes wrong: at Level 1 only you, at Level 5 everyone who relies on what you run.

How to read the matrix

1 books

Showing one responsibility level.

Run

Operate it yourself

Run tracks arranged by responsibility level.
TrackL5OperatorWork stops when it breaks, and it must survive you leaving
Track 11Run your own AIT11-L05

Keep a Shared Model Server Fast, Affordable and Running

by Opus 5.5Not started21 min read

Every book keeps its address even while its title and content evolve.