Applied QA, Android automation, and mobile traffic analysis tutorials. https://yarygintech.com/ Thu, 04 Jun 2026 00:00:00 GMT en-us 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. https://yarygintech.com/articles/android-reverse-engineering-toolkit/ https://yarygintech.com/articles/android-reverse-engineering-toolkit/ Thu, 04 Jun 2026 00:00:00 GMT 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. https://yarygintech.com/articles/android_selinux_explained/ https://yarygintech.com/articles/android_selinux_explained/ Thu, 04 Jun 2026 00:00:00 GMT 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. https://yarygintech.com/articles/linux-for-creators/ https://yarygintech.com/articles/linux-for-creators/ Thu, 04 Jun 2026 00:00:00 GMT 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. https://yarygintech.com/articles/pop-os-encryption-boot-fight/ https://yarygintech.com/articles/pop-os-encryption-boot-fight/ Thu, 04 Jun 2026 00:00:00 GMT 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. https://yarygintech.com/articles/selinux-linux-vs-android/ https://yarygintech.com/articles/selinux-linux-vs-android/ Thu, 04 Jun 2026 00:00:00 GMT 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. https://yarygintech.com/articles/adb_shell_for_cyber_security_researchers/ https://yarygintech.com/articles/adb_shell_for_cyber_security_researchers/ Wed, 03 Jun 2026 00:00:00 GMT 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. https://yarygintech.com/articles/where-android-certificates-are-stored/ https://yarygintech.com/articles/where-android-certificates-are-stored/ Wed, 03 Jun 2026 00:00:00 GMT An update on Apple Silicon virtualization: Parallels Desktop, VMware Fusion Pro, UTM, VirtualBox, macOS VMs, Windows 11 ARM, Linux ARM, and the reality of x86 emulation. https://yarygintech.com/articles/apple_silicon_virtualization/ https://yarygintech.com/articles/apple_silicon_virtualization/ Tue, 02 Jun 2026 00:00:00 GMT A practical guide to Linux installers: Calamares, Ubiquity, Subiquity, Anaconda, Debian Installer, YaST, Agama, archinstall and manual installation. https://yarygintech.com/articles/linux-installers-explained/ https://yarygintech.com/articles/linux-installers-explained/ Tue, 02 Jun 2026 00:00:00 GMT A practical guide to choosing the best retro gaming distribution for Raspberry Pi, including RetroPie, Recalbox, Batocera and Lakka. https://yarygintech.com/articles/raspberry-pi-retro-gaming-distros/ https://yarygintech.com/articles/raspberry-pi-retro-gaming-distros/ Mon, 01 Jun 2026 00:00:00 GMT A practical and personal look at teaching software testing, why one-size-fits-all QA courses often fail, and why mentorship works better when the student is actually ready. https://yarygintech.com/articles/vulnbanklab-android-apk-security-walkthrough/ https://yarygintech.com/articles/vulnbanklab-android-apk-security-walkthrough/ Mon, 01 Jun 2026 00:00:00 GMT A modern look at localization and internationalization mistakes: hardcoded strings, weak backend support, missing context for translators, broken RTL layouts, and teams that treat L10N as an afterthought. https://yarygintech.com/articles/application-localization-common-mistakes/ https://yarygintech.com/articles/application-localization-common-mistakes/ Sat, 30 May 2026 00:00:00 GMT A practical look at why QA engineers can move into cybersecurity more naturally than many people think, and how testing experience becomes a real advantage in AppSec, pentesting, and security analysis. https://yarygintech.com/articles/from-software-testing-to-cybersecurity-qa/ https://yarygintech.com/articles/from-software-testing-to-cybersecurity-qa/ Sat, 30 May 2026 00:00:00 GMT A personal look at how Apple, Google, Microsoft, and modern platform rules are slowly removing control from users and developers. https://yarygintech.com/articles/rise-of-closed-computer-platforms/ https://yarygintech.com/articles/rise-of-closed-computer-platforms/ Sat, 30 May 2026 00:00:00 GMT A practical guide to using the dd command for cloning disks, creating images, restoring backups, wiping drives, and avoiding painful data loss mistakes. https://yarygintech.com/articles/dd-disk-cloning-guide/ https://yarygintech.com/articles/dd-disk-cloning-guide/ Fri, 29 May 2026 00:00:00 GMT A modernized look at AppleScript: simple macOS automation, shell commands, Finder workflows, dialogs, UI scripting, and practical testing-related use cases. https://yarygintech.com/articles/applescript-automation-use-cases/ https://yarygintech.com/articles/applescript-automation-use-cases/ Fri, 29 May 2026 00:00:00 GMT Leaving Windows or macOS for Linux? The distro name matters less than the base, desktop environment, file system, encryption, package manager, drivers, and workflow you build around it. https://yarygintech.com/articles/stop-distro-hopping-linux-choices/ https://yarygintech.com/articles/stop-distro-hopping-linux-choices/ Fri, 29 May 2026 00:00:00 GMT How macOS moved from the open, inspectable NeXTSTEP inheritance toward a sealed Apple Silicon appliance. https://yarygintech.com/articles/the-death-of-macos-nextstep-betrayal/ https://yarygintech.com/articles/the-death-of-macos-nextstep-betrayal/ Fri, 29 May 2026 00:00:00 GMT A personal look at teaching QA, why generic testing courses often fail, and why real mentorship, practice, and readiness matter more than certificates. https://yarygintech.com/articles/what-no-one-tells-you-about-training-test-engineers/ https://yarygintech.com/articles/what-no-one-tells-you-about-training-test-engineers/ Fri, 29 May 2026 00:00:00 GMT A practical Android privacy guide: remove unnecessary apps, reduce background tracking, control permissions, and make your phone faster, cleaner, and less annoying. https://yarygintech.com/articles/android-debloat-privacy-guide/ https://yarygintech.com/articles/android-debloat-privacy-guide/ Thu, 28 May 2026 00:00:00 GMT A practical look at how iPhone jailbreak started, why it mattered, why it became harder, and what the decline of jailbreak says about modern phones. https://yarygintech.com/articles/iphone-jailbreak-rise-and-fall/ https://yarygintech.com/articles/iphone-jailbreak-rise-and-fall/ Thu, 28 May 2026 00:00:00 GMT A more balanced look at Apple’s low-cost MacBook Neo: why it makes sense for students and casual users, but still feels limited for development, virtualization, longevity, and serious work. https://yarygintech.com/articles/macbook-neo-not-good/ https://yarygintech.com/articles/macbook-neo-not-good/ Thu, 28 May 2026 00:00:00 GMT A practical, updated guide to mobile accessibility testing: screen readers, labels, focus order, contrast, keyboard support, WCAG 2.2, and why accessibility should be part of the whole development process. https://yarygintech.com/articles/mobile-accessibility-testing-modern-a11y/ https://yarygintech.com/articles/mobile-accessibility-testing-modern-a11y/ Thu, 28 May 2026 00:00:00 GMT A modern, simple guide to Mockito: what mock objects are, why they matter, how to add Mockito to a Java or Android project, and how to write clean unit tests without overcomplicating things. https://yarygintech.com/articles/mockito-automation-guide/ https://yarygintech.com/articles/mockito-automation-guide/ Thu, 28 May 2026 00:00:00 GMT A practical guide to cleaning up Android Espresso UI tests with a basic Page Object Model structure, reusable actions, and readable test classes. https://yarygintech.com/articles/page-object-model-android-espresso/ https://yarygintech.com/articles/page-object-model-android-espresso/ Thu, 28 May 2026 00:00:00 GMT A modern QA checklist for testing push notifications: cold start, warm start, permissions, notification channels, localization, time zones, logout behavior, multi-account flows, and failure states. https://yarygintech.com/articles/push-notification-testing-qa-guide/ https://yarygintech.com/articles/push-notification-testing-qa-guide/ Thu, 28 May 2026 00:00:00 GMT A practical and personal look at retro gaming on Apple Silicon Macs using DOSBox, CrossOver, UTM, and a few realistic expectations. https://yarygintech.com/articles/apple-silicon-retro-gaming-setup/ https://yarygintech.com/articles/apple-silicon-retro-gaming-setup/ Wed, 27 May 2026 00:00:00 GMT A personal story about installing Asahi Linux on an M1 Mac, breaking the boot setup, and restoring macOS through DFU mode using Linux instead of another Mac. https://yarygintech.com/articles/dark-side-of-apple-silicon/ https://yarygintech.com/articles/dark-side-of-apple-silicon/ Wed, 27 May 2026 00:00:00 GMT A practical Mac cleanup guide based on built-in macOS tools, manual folder checks, AppCleaner, OnyX, Homebrew cleanup, and Xcode storage maintenance. https://yarygintech.com/articles/how-to-make-your-mac-feel-faster/ https://yarygintech.com/articles/how-to-make-your-mac-feel-faster/ Wed, 27 May 2026 00:00:00 GMT A practical story about turning a broken 2014 Intel MacBook Pro into a usable Linux machine instead of throwing it away or leaving it in a drawer. https://yarygintech.com/articles/old-macbook-pro-linux-second-life/ https://yarygintech.com/articles/old-macbook-pro-linux-second-life/ Wed, 27 May 2026 00:00:00 GMT How I simplified the repetitive Android APK workflow by building PulseAPK, a cross-platform helper tool for decompiling, inspecting, rebuilding, and signing APK files. https://yarygintech.com/articles/pulseapk-android-apk-workflow/ https://yarygintech.com/articles/pulseapk-android-apk-workflow/ Wed, 27 May 2026 00:00:00 GMT A personal and practical look at why Windows no longer feels like the default choice, especially when Linux and macOS cover most of my real work better. https://yarygintech.com/articles/why-i-still-dont-want-to-return-to-windows/ https://yarygintech.com/articles/why-i-still-dont-want-to-return-to-windows/ Wed, 27 May 2026 00:00:00 GMT A short practical guide for debugging Raspberry Pi connection issues in a gadget mode. https://yarygintech.com/articles/raspberry-pi-usb-gadget-mode/ https://yarygintech.com/articles/raspberry-pi-usb-gadget-mode/ Wed, 27 May 2026 00:00:00 GMT A short practical guide for test engineers who want to understand REST API testing with Postman: requests, parameters, authorization, assertions, and running collections from the command line. https://yarygintech.com/articles/quick-guide-api-testing-postman/ https://yarygintech.com/articles/quick-guide-api-testing-postman/ Wed, 27 May 2026 00:00:00 GMT A neutral and practical introduction to Maestro as a YAML-based UI automation tool for mobile and web testing, including use cases, strengths, limitations, and when it makes sense. https://yarygintech.com/articles/maestro-testing-ui-automation/ https://yarygintech.com/articles/maestro-testing-ui-automation/ Tue, 26 May 2026 00:00:00 GMT Operating systems may feel less exciting than they used to, but trying Linux, macOS, Windows, Haiku, ChromeOS, and even retro systems still teaches you how computers really work. https://yarygintech.com/articles/why-you-should-still-try-different-operating-systems/ https://yarygintech.com/articles/why-you-should-still-try-different-operating-systems/ Tue, 26 May 2026 00:00:00 GMT A practical lab guide explaining Android root detection, dynamic bypass with Frida, and static APK analysis with JADX and smali. https://yarygintech.com/articles/android-root-detection-bypass-reverse-engineering-part-1/ https://yarygintech.com/articles/android-root-detection-bypass-reverse-engineering-part-1/ Mon, 25 May 2026 00:00:00 GMT A practical Android reverse-engineering guide based on static APK patching: finding root checks, modifying smali code, rebuilding the APK, and verifying the result in a lab environment. https://yarygintech.com/articles/android-root-check-smali-patching-no-frida/ https://yarygintech.com/articles/android-root-check-smali-patching-no-frida/ Mon, 25 May 2026 00:00:00 GMT A short practical guide for installing a custom CA certificate into the Android system trust store for traffic interception and security testing. https://yarygintech.com/articles/install-system-level-certificates-android/ https://yarygintech.com/articles/install-system-level-certificates-android/ Mon, 25 May 2026 00:00:00 GMT A practical Android reverse-engineering playlist covering APKTool, Jadx, Frida, smali patching, traffic interception, emulator workflows, and Android internals. https://yarygintech.com/articles/android-security-lab/ https://yarygintech.com/articles/android-security-lab/ Sun, 24 May 2026 00:00:00 GMT Principles, locators, simple examples, and unit tests for practical QA automation. https://yarygintech.com/articles/appium-android-debug-workflow/ https://yarygintech.com/articles/appium-android-debug-workflow/ Sun, 24 May 2026 00:00:00 GMT A practical workflow for intercepting, inspecting, and modifying mobile app traffic. https://yarygintech.com/articles/android-traffic-analysis-charles-frida/ https://yarygintech.com/articles/android-traffic-analysis-charles-frida/ Sat, 23 May 2026 00:00:00 GMT A short personal article about real software testing work: unfinished features, design gaps, missed deadlines, QA teamwork, and why AI still does not replace test engineers. https://yarygintech.com/articles/what-software-testing-really-looks-like/ https://yarygintech.com/articles/what-software-testing-really-looks-like/ Wed, 20 May 2026 00:00:00 GMT A practical, opinionated guide for people who are tired of macOS and Windows restrictions and want to understand which Linux distro and desktop actually fits their workflow. https://yarygintech.com/articles/leaving-macos-and-windows-linux-guide-2026/ https://yarygintech.com/articles/leaving-macos-and-windows-linux-guide-2026/ Mon, 20 Apr 2026 00:00:00 GMT A short practical article about what reverse engineering Android apps reveals: hardcoded secrets, weak storage, risky logging, network mistakes, and why Android security is not only about permissions. https://yarygintech.com/articles/android-security-reverse-engineers-guide/ https://yarygintech.com/articles/android-security-reverse-engineers-guide/ Fri, 27 Mar 2026 00:00:00 GMT A practical and personal look at teaching software testing, why one-size-fits-all QA courses often fail, and why mentorship works better when the student is actually ready. https://yarygintech.com/articles/training-test-engineers/ https://yarygintech.com/articles/training-test-engineers/ Sun, 15 Mar 2026 00:00:00 GMT