Notes I write while learning something properly, published in case they save you the same afternoon.
165 topics across 4 tracks.
Bicep
Azure infrastructure as code: modules, scopes, deployment behavior, and the parts the docs gloss over.
CompTIA Security+
CompTIA Security+ study notes organized by exam domain, with practice questions.
CompTIA Network+
N10-009 study notes written objective by objective, with cited sources, protocol behaviour captured from running networks rather than drawn, and practice questions that link back to the material.
CompTIA Linux+
XK0-006 study notes written objective by objective, with cited sources, cross-distribution differences, and practice questions that link back to the material.