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6 posts
A practical 2026 guide to running FreeDOS 1.4 in QEMU, virtual machines, emulators or real hardware, with verified boot, USB, firmware and network safety advice.
A method-aware FreeBSD major-upgrade runbook covering release eligibility, boot environments, external backup, staged installation, bootcode, packages, and rollback.
How to match FreeBSD source to the running system, derive a custom kernel from GENERIC, build it safely, and preserve rollback paths.
How FreeBSD exposes interfaces, addresses, routes, FIBs, bridges, VLANs, link aggregation, sockets, and packet-level evidence.
How WinRM and PowerShell Remoting turn scattered single-machine administration into fleet-wide scripted management across hundreds of servers.
How the Service Control Manager starts, stops, and supervises background processes, and how to configure and debug a service directly.