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FreeBSD

FreeBSD From Zero to Production

Start with FreeBSD history and boot, then learn jails, ZFS, packages, networking, firewalls, upgrades, observability, and practical recovery.

9 posts, in order

  1. 1HistoryThe History of FreeBSD: From 386BSD to a Modern UnixHow FreeBSD grew from the 386BSD Patchkit, survived the Net/2 transition, and built the release, ports, and governance model used today.
  2. 2Deep DiveInside the FreeBSD Boot Process: BIOS/UEFI, the Loader, and initA forensic walkthrough of FreeBSD startup from BIOS or UEFI firmware through loader, kernel initialization, init, and ordered rc services.
  3. 3How-ToHow to Configure Static Networking on FreeBSD from ScratchA rollback-safe FreeBSD static-network workflow for interface identity, IPv4 and IPv6 addressing, routes, resolver ownership, staged activation, and validation.
  4. 4Deep DiveFreeBSD Jails: Lightweight OS-Level Virtualization Done RightHow FreeBSD jails isolate processes, filesystems, identities, networking, and resources without pretending a shared kernel is a VM.
  5. 5How-ToHow to Manage FreeBSD Jails with iocageA current iocage workflow for selecting a supported FreeBSD release, creating a ZFS-backed jail, managing networking, updates, snapshots, and removal.
  6. 6Deep DiveZFS on FreeBSD: Pools, Datasets, and Snapshots ExplainedHow FreeBSD ZFS pools, vdevs, datasets, snapshots, replication, scrubs, ARC, and boot environments behave in real operations.
  7. 7How-ToHow to Use ZFS Boot Environments with bectl for Safe UpgradesHow to inspect ZFS boot-environment coverage, create and verify a bectl rollback point, activate it safely, and reclaim space afterward.
  8. 8Deep DiveConfiguring pf on FreeBSD: A Practical Guide to Packet FilteringHow FreeBSD PF evaluates rules, creates state, uses tables and anchors, performs NAT, logs decisions, and supports safe remote changes.
  9. 9FixRecovering a ZFS Pool That Won't Import on FreeBSDA write-minimizing FreeBSD ZFS import workflow for missing devices, host ownership, damaged transactions, read-only recovery, and backups.