FlyingTechman – Never Anchored. Always Exploring.

Abstract storage dashboard and directory hierarchy showing one constrained volume traced to several separate data areas.

Unbranded desktop behind a translucent network boundary with selected service paths allowed and unsolicited probes deflected.

Abstract computer reliability timeline with update markers, warnings, and one selected failure shown in detail.

Abstract system activity dashboard showing CPU, memory, energy, disk, and network trends on a desktop computer.

Latest posts

Abstract system log events passing through filters into a diagnostic timeline with one error highlighted.

Nov 7, 2026H.W. Crestwood

How to Read Linux System Logs with journalctl

Generic software package isolated inside a transparent virtual testing chamber on a desktop computer.

Nov 6, 2026H.W. Crestwood

Windows Sandbox: A Safer Disposable Environment for App Testing

Unbranded desktop computer surrounded by three translucent security layers that stop a red digital threat.

Nov 5, 2026H.W. Crestwood

macOS Security Layers Explained: SIP, Gatekeeper, and XProtect

Illustrative queue of data packets approaching a home router, with a smaller packet delayed behind larger traffic.

Nov 4, 2026H.W. Crestwood

Bufferbloat 101: Why Your Ping Spikes Even on Gigabit Fiber

A refined homelab scene showing VM nodes resolving local names through a Pi-hole layer and recursive upstream queries through Unbound.

Nov 3, 2026H.W. Crestwood

Setting Up Local DNS Resolution for VMs with Pi-hole and Unbound

An open beige 1990s desktop PC with a sound card installed beside speakers and a glowing CRT monitor.

Nov 2, 2026H.W. Crestwood

Sound Blaster 16: The Expansion Card That Gave PCs a Voice