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PostgreSQL Dynamic Data Masking: Stop Leaking Customer Data in Dev/Test

By admin May 31, 2026

Forget manual UPDATE scripts! Learn how to use postgresql_anonymizer to professionally and safely mask sensitive data in PostgreSQL for Dev/Test environments.

Network

Deploying Multicast on Linux: A Bandwidth-Saving Solution for Large-Scale Transmission Systems

By admin May 31, 2026

Optimize internal network bandwidth by configuring Multicast on Linux. Detailed guide on setting up PIM-SM, IGMP, and troubleshooting TTL and RPF check errors.

Python

Using Dramatiq and Redis for Background Tasks: Fast and Lightweight for Python Devs

By admin May 31, 2026

Need to handle background tasks in Python? Try Dramatiq and Redis. A detailed guide on installation, configuration, and practical tips to make your app smoother and eliminate user wait times.

Linux

Linux Optimization: Using nice and ionice to Prevent Server Freezes During Heavy Tasks

By admin May 31, 2026

Effectively control CPU and I/O usage with nice and ionice. A detailed guide on Linux server optimization for running heavy tasks like backups and file compression without impacting web or database performance.

Fedora

Speed Up Fedora with DNF5: The Ultra-Fast and Lightweight C++ Package Manager

By admin May 31, 2026

DNF5 is a significant speed boost for Fedora, offering faster package management and substantial RAM savings thanks to its C++ rewrite. This article shares real-world experiences and optimized commands for developers after six months of use.

Development

Remix.js: Building “Standard” Web Apps – From Data Loading to Server Actions

By admin May 31, 2026

Elevate your Web Development skills with Remix.js. A detailed guide on leveraging Data Loading, Server Actions, and Progressive Enhancement to build smooth and SEO-optimized applications.

Git

Forking Workflow: The ‘Survival’ Guide for Large Teams and Open Source

By admin May 31, 2026

Master the Forking Workflow for professional collaboration in large teams and Open Source projects. Real-world insights on avoiding conflicts and efficient Git management.

Linux

Linux Process Management with Supervisord: Keep Your Apps “Alive” After Crashes

By admin May 31, 2026

Learn to use Supervisord to auto-restart apps, centralize logs, and run dozens of workers simultaneously on Linux. The ultimate solution for server stability.

Development

Building a Professional-Grade REST API with NestJS and PostgreSQL: From Zero to Validation

By admin May 31, 2026

Want to build industry-standard REST APIs? This guide will help you master NestJS and PostgreSQL, from database setup to professional data validation techniques.

Monitoring

Monitoring HAProxy with Prometheus & Grafana: Don’t Wait for a Crash to Act

By admin May 30, 2026

Don't wait for a system crash to start troubleshooting. Professional guide to HAProxy monitoring with Prometheus and Grafana, focusing on 4 golden signals: Backend Health, 5xx Rate, Maxconn, and P99 Latency.

Advanced Docker Swarm: Rolling Updates, Placement Constraints, and Zero-Downtime Deployments

Hot Add CPU and RAM on VMware vSphere: Upgrade Virtual Machine Resources Without Rebooting

Docker-in-Docker (DinD) vs Docker-out-of-Docker (DooD): A Practical CI/CD Runner Setup Guide

Mastering /proc and /sys: Inspecting Linux Internals Without Third-Party Tools

Mastering DeepSeek-R1 on Linux: Optimizing “Home-Grown” Reasoning AI for Peak Performance

Dockerize WordPress: Accelerate Your MariaDB and Redis Cache Stack for Production

Automating File Monitoring with Python Watchdog: Stop Polling and Start Listening

Grafana Pyroscope: Hunting Down CPU and RAM “Hogs” Directly on Production

Mastering VMware Host Profiles: The Ultimate Way to Standardize ESXi Cluster Configurations

Varnish + Nginx: The Ultimate Lifesaver for High-Traffic Websites on Ubuntu

PostgreSQL Dynamic Data Masking: Stop Leaking Customer Data in Dev/Test

Deploying Multicast on Linux: A Bandwidth-Saving Solution for Large-Scale Transmission Systems

Using Dramatiq and Redis for Background Tasks: Fast and Lightweight for Python Devs

Linux Optimization: Using nice and ionice to Prevent Server Freezes During Heavy Tasks

Speed Up Fedora with DNF5: The Ultra-Fast and Lightweight C++ Package Manager

Remix.js: Building “Standard” Web Apps – From Data Loading to Server Actions

Forking Workflow: The ‘Survival’ Guide for Large Teams and Open Source

Linux Process Management with Supervisord: Keep Your Apps “Alive” After Crashes

Building a Professional-Grade REST API with NestJS and PostgreSQL: From Zero to Validation

Monitoring HAProxy with Prometheus & Grafana: Don’t Wait for a Crash to Act