The Strategic Necessity of Enterprise Architecture in SAFe

Overview The Scaled Agile Framework (SAFe) excels at coordinating delivery across multiple teams and focuses on execution. In contrast, Enterprise Architecture (EA) delivers the framework which develops the capabilities which are necessary for planning and execution. Large-scale agile transformations often hit a "complexity ceiling" which cannot be understood and handled without EA concepts, methods and … Continue reading The Strategic Necessity of Enterprise Architecture in SAFe →

Minimising screen brightness in Ubuntu

I like working at night, but nearly every laptop I've tried with Ubuntu can't reduce screen brightness to comfortable levels. Thankfully there is a convenient workaround. Under Ubuntu 24.04 / Wayland find Accessibility -> Zoom -> Colour filters and adjust to your liking. You probably want to pin the magnification factor to 1.00, too. The … Continue reading Minimising screen brightness in Ubuntu →

Cursor offset misalignment under Ubuntu/Wayland

A quickie: I switched back to Wayland but noticed that the mouse cursor appears misaligned for some apps [that is as specific as I'd like to be right now :-)]. It's like the cursor is actually pointing a cm below where it appears on the screen. This is a known issue [1] and there is … Continue reading Cursor offset misalignment under Ubuntu/Wayland →

cloudflared docker health check

Cloudflare's cloudflared container doesn't come with a good health check - or so it seems [1]. The functionality is there, though. The tunnel needs to be started with metrics enabled (here: exposed to 127.0.0.1:20241) and the health check needs to call the proper check. cloudflared: image: cloudflare/cloudflared:latest ... command: tunnel --metrics 127.0.0.1:20241 run healthcheck: test: … Continue reading cloudflared docker health check →

An even better switching amplifier

From the producer of A switching amplifier [AM1], A better switching amplifier [AM2] comes part 3: An even better switching amplifier. A quick recap: we're looking into class D switching amplifiers for their high efficiency and power output. The first amplifier sampled the input signal by taking voltage snapshots with a capacitor and measuring the … Continue reading An even better switching amplifier →