Operating systems, infrastructure, emulation, and technical history.
A distribution-aware UKI workflow covering kernel, initrd, command line, os-release, Secure Boot signing, inspection, rollout, and rollback verification.
How Linux livepatch redirects functions, moves tasks into a consistent patched state, exposes transitions, and fits into-not replaces-kernel maintenance.
A version-aware explanation of Linux Landlock rulesets, handled rights, parent-directory policy, process inheritance, probing, and safe fallback behavior.
A practical reading of Linux PSI totals, some/full averages, cgroup scope, polling triggers, workload correlation, and capacity decisions without guesswork.
A precise guide to Linux seccomp-BPF actions, filter layering, argument limits, no_new_privs, observability, and the controls a real sandbox still needs.
A defensive architecture for macOS Endpoint Security clients covering entitlements, event deadlines, cache policy, muting, message lifetime, and telemetry.
An evidence-first Rosetta 2 repair workflow for Intel Mac apps covering architecture, integrity, plug-ins, translation availability, data, and vendor support.
A non-destructive Time Machine local-snapshot workflow covering APFS accounting, inventory, backup health, supported thinning, deletion, and verification.
A correct mental model for macOS FSEvents streams, path coalescing, event IDs, per-disk persistence, dropped-event flags, exclusions, and rescanning.
A safe macOS profile workflow covering payload identifiers, scope, signing, MDM delivery, conflicts, inspection, removal, rollback, and effective-state proof.