Step-by-step, task-oriented guides — do this, in this order, to get this result.
A complete walkthrough reading, changing, and persisting kernel runtime parameters — with a few of the most commonly tuned examples explained, not just listed.
A complete walkthrough encrypting a disk or partition with LUKS, from initial setup through mounting it automatically (with a key file) at boot.
A complete walkthrough using strace to see exactly which system calls a misbehaving program is making — often the fastest way to diagnose a problem with no useful log output at all.
A complete walkthrough from raw disks to a mounted, resizable logical volume — physical volumes, volume groups, and logical volumes explained as you build them.
A complete walkthrough building your own signed FreeBSD package repository — useful for internal packages, pinned versions, or a local mirror.
A complete walkthrough configuring a WireGuard tunnel on FreeBSD using the in-kernel wg driver, from key generation to a working peer-to-peer connection.
A complete walkthrough creating a boot environment before a risky change, and rolling back to it instantly from the boot loader if something goes wrong.
A complete walkthrough creating, configuring, and managing jails using iocage — a much friendlier layer over raw jail.conf management.
A complete, start-to-finish walkthrough of creating a Linux guest VM under bhyve on FreeBSD, using vm-bhyve to manage the lifecycle.
A complete walkthrough for assigning a static IP, default route, and DNS resolution on FreeBSD, persisted correctly across reboots.