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MySQL GTID Replication Setup Guide: Advanced Data Synchronization and Automatic Failover

By admin April 27, 2026

A step-by-step guide to configuring MySQL GTID Replication on Ubuntu: set up Master and Slave, verify data synchronization, and handle automatic failover without manually tracking binlog positions.

Security

Nginx GeoIP Blocking: How I Cut 80% of Junk Traffic from Unknown Countries

By admin April 27, 2026

Blocking IPs by country using Nginx and MaxMind GeoLite2 is the most effective way to eliminate 80% of botnet junk traffic. See this detailed configuration guide drawn from real-world experience.

Docker

Docker Compose: Wait for DB to be Fully “Healthy” Before Starting App with Health Checks

By admin April 27, 2026

Don't let your app crash just because the database starts slowly. Learn to combine depends_on and healthcheck in Docker Compose to control container startup order like a pro.

Linux

Speed Up Your Linux Terminal with fzf: Find Files and History Instantly

By admin April 27, 2026

Learn how to install and configure fzf (fuzzy finder) on Linux to quickly search for files, command history, and manage processes. Practical tips to boost your Terminal productivity.

Database

PostgreSQL Row Level Security (RLS): Securing Multi-tenant Data at the Core

By admin April 27, 2026

Learn how to configure PostgreSQL Row Level Security (RLS) for fine-grained data protection. An optimal solution for Multi-tenant/SaaS applications with real-world performance optimization tips.

Development

Turborepo + pnpm: The ‘Powerful’ Combo for Smoother Monorepo Management

By admin April 27, 2026

Learn to build professional Monorepos with Turborepo and pnpm. This solution accelerates builds, saves disk space, and provides efficient centralized code management for dev teams.

Linux

Controlling Process Resources with cgroups v2 on Linux: Limiting CPU, RAM, and I/O Without Docker

By admin April 27, 2026

Learn how to master Linux system resources with cgroups v2. Detailed instructions on limiting CPU, RAM, and I/O for applications running directly on the OS without Docker.

Monitoring

Prometheus Pushgateway: Mastering Batch Job Monitoring Without Missing a Second

By admin April 27, 2026

A detailed guide on using Prometheus Pushgateway for effective Batch Job monitoring. This article shares tips to avoid Stale Metrics and correct configurations for DevOps.

Git

Git Commit Template & Conventional Commits: Stop Turning Your Git History Into a Trash Heap

By admin April 27, 2026

No more meaningless 'update code' commits. Discover how to set up Git Commit Templates and Conventional Commits to clean up your history and automate Changelogs in 5 minutes.

Virtualization

Proxmox Cluster Network Management: Stop Manually Editing Configs, Use SDN!

By admin April 27, 2026

Forget manual interface file editing! Here is a detailed guide on configuring SDN in Proxmox VE for centralized, secure, and fast VLAN and VNet management across your cluster.