Posted inNetworking
Stop Mapping Networks Manually: Use LLDP and CDP on Linux Instead
Stop relying on outdated spreadsheets. Learn how to use lldpd on Linux to automatically discover switch ports and build a real-time network map.
Posted inNetworking
Stop the ‘Sticky Client’ Problem: Configuring 802.11r/k/v in hostapd
End the 'sticky client' problem. Configure 802.11r, 802.11k, and 802.11v on hostapd to achieve sub-50ms roaming and seamless Wi-Fi transitions.
Posted inProgramming
Stop Guessing Edge Cases: Property-Based Testing with Hypothesis
Discover how to automate edge-case detection in Python using the Hypothesis library. Learn about strategies, shrinking, and how to integrate property-based testing into your CI/CD workflow.
Posted inLinux
Stop Guessing: Automate Linux Performance with Tuned Profiles
Stop manual sysctl hacking. This guide shows you how to use Tuned to automate Linux performance for databases, web servers, and virtualization with real-world examples and custom profiles.
Posted inDatabase
Hardening Multi-tenant Apps: Why You Need PostgreSQL Row Level Security
Discover how PostgreSQL Row Level Security (RLS) provides a native, foolproof layer of protection for multi-tenant apps. Stop relying on manual filters and secure your data at the source.
Posted inDevOps
Self-Hosting Woodpecker CI on Docker: A Lightweight and Secure GitHub Actions Alternative
Ditch heavy CI/CD tools and learn how to self-host Woodpecker CI on Docker. This guide covers everything from installation to setting up your first container-native pipeline.
Posted inProgramming
Stop Guessing if Your UI is Broken: Visual Regression Testing with Storybook and Chromatic
CSS bugs are the silent killers of frontend velocity. Learn how to use Storybook and Chromatic to build a 'visual memory' for your UI, catching layout shifts automatically before they hit production.
Posted inLinux
Linux Ftrace: Diagnosing Kernel Latency Without the Strace Overhead
Master Ftrace, the Linux kernel's built-in tracer, to solve production latency. Learn function graphing, PID filtering, and how to interpret microsecond-level bottlenecks with minimal overhead.
Posted inAI
Stop AI Prompt Injections: A Hands-On Guide to LlamaGuard 3
Don't let your AI go rogue. This guide shows you how to implement Meta's LlamaGuard 3 to block prompt injections and ensure safe AI interactions using Python.
Posted inDevOps
Stop Wasting Time: Automate Mobile Releases with Fastlane and GitHub Actions
Stop wasting hours on manual app submissions. This guide shows you how to build a robust CI/CD pipeline for iOS and Android using Fastlane and GitHub Actions.