Step-by-step, task-oriented guides — do this, in this order, to get this result.
A complete walkthrough configuring periodic(8), pkg-audit, and freebsd-update to catch known vulnerabilities and pending patches automatically, with results delivered by email.
A complete walkthrough creating and running a lightweight systemd-nspawn container — useful for isolated testing environments without the overhead of a full container runtime.
A complete walkthrough building a real automation with both of macOS's built-in automation tools — when to reach for each, and how they actually relate to one another.
A step-by-step guide to enabling RetroArch's run-ahead feature correctly — including the one prerequisite that determines whether it will work at all for a given core.
A complete walkthrough enabling Hyper-V and creating a working virtual machine — Windows' own native, type-1 hypervisor, built directly into Pro and Enterprise editions.
A complete walkthrough turning a FreeBSD box with two network interfaces into a working NAT router/firewall — gateway forwarding, NAT rules, and a sane default-deny ruleset.
A step-by-step guide to enabling and tuning shader presets in RetroArch — from picking a starting preset to adjusting scanline and curvature intensity to taste.
A practical walkthrough of Capsicum's capability mode — how to check if a program supports it, and how sandboxed services actually differ from ordinary ones at the syscall level.
A complete walkthrough from a fresh RetroArch install to a properly configured, playable core — including the two steps most first-time setups skip.
A complete walkthrough installing nginx, enabling it as a proper rc.conf-managed service, and serving a first site — the FreeBSD-idiomatic way, not a generic Linux tutorial adapted.