Knowledge base
Practical QA, Android testing, Linux, and security-focused articles sorted from newest to oldest. Use the tag filters to narrow the archive.
Playwright · Jun 8, 2026
A practical, slightly opinionated guide to Playwright from the point of view of someone who spent years with Selenium, waits, drivers, flaky tests, and browser drama.
Apple · Jun 8, 2026
A critical look at WWDC 2026, Siri AI, Liquid Glass, Apple Intelligence, child safety features, and why modern Apple events feel more like ecosystem maintenance than real innovation.
Linux · Jun 7, 2026
A hands-on guide to installing Linux on an old Intel iMac, fixing boot and partition problems, adding a macOS-like dock with Plank, and turning outdated Apple hardware into a simple modern browsing machine.
Android · Jun 6, 2026
A practical Android security lab article showing how Frida can hook Java methods at runtime, bypass simple root detection, and deliberately crash a test app for learning purposes.
Android · Jun 4, 2026
A practical guide to Android-focused reverse engineering and mobile security tools from my GitHub star lists: static analysis, dynamic analysis, APK patching, traffic inspection, Frida workflows, emulators, and vulnerable labs.
Android · Jun 4, 2026
A simple practical explanation of SELinux in Android: mandatory access control, domains, contexts, app sandboxing, enforcing mode, audit logs, and what it means for QA and Android security research.
Linux · Jun 4, 2026
A practical guide to using Linux for creative work: video editing, graphic design, photography, audio production, 3D, streaming, writing, publishing, and the utilities that make a Linux creator workstation powerful.
Linux · Jun 4, 2026
A practical guide for bringing old Intel Macs back to life with Linux: MX Linux, Linux Mint, Zorin OS Lite, Lubuntu, Debian, antiX, and what actually makes sense in 2026.
Linux · Jun 4, 2026
A practical story about troubleshooting Pop!_OS with encrypted root, Btrfs subvolumes, systemd-boot, kernelstub, EFI entries, and the infamous missing rootflags=subvol=@ boot option.
Linux · Jun 4, 2026
A practical explanation of how SELinux policy works on regular Linux distributions compared to Android phones, why Android uses SELinux differently, and what it means for QA, AppSec, reverse engineering, and system debugging.
Android · Jun 3, 2026
A practical Android guide explaining how adb shell helps with app testing, debugging, emulator control, logs, packages, permissions, network checks, screenshots, file access, and mobile security research.
Android · Jun 3, 2026
A practical Android security guide explaining system CAs, user-installed certificates, Network Security Config, TLS trust, certificate pinning, and what this means for mobile app testing.