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Distroless Docker Images: Remove Unnecessary Shell and OS to Harden Container Security

By admin April 28, 2026

Google's Distroless Images strip the shell, package manager, and unnecessary OS components from Docker containers — significantly reducing the attack surface. This guide covers how to use multi-stage builds with Distroless for Go, Python, and Java, along with real-world vulnerability comparison and testing techniques.

Docker

Docker Compose Profiles: Managing Optional Services by Environment — Debug and Monitoring Completely Isolated

By admin April 28, 2026

Docker Compose Profiles lets you isolate debug and monitoring tools from your core services within a single docker-compose.yml file. This article shares practical lessons from six months of production use, with concrete examples for local, staging, and production environments.

Database

Getting Started with ClickHouse: A High-Performance OLAP Database for Large-Scale Analytics

By admin April 28, 2026

ClickHouse is a columnar OLAP database that lets you analyze hundreds of millions of rows in seconds. This guide covers installation on Linux, choosing the right table engine, importing real-world data, and production deployment tips for DevOps teams.

VMware

Diagnosing VMware ESXi with esxtop: A Practical Troubleshooting Field Guide

By admin April 28, 2026

Stop guessing and start diagnosing. Use esxtop to accurately identify CPU Ready, RAM Swap, and Disk Latency bottlenecks on VMware ESXi like a seasoned systems engineer.

Development

Farewell Webpack: How I ‘Hacked’ Project Build Speed 10x with Vite

By admin April 28, 2026

Vite is a next-generation build tool that accelerates Frontend development up to 10x compared to Webpack. A detailed guide on configuring aliases, proxies, and optimizing bundles.

Database

PostgreSQL FDW: The Ultimate Trick to Query MySQL, MongoDB, and CSV Directly Without ETL

By admin April 28, 2026

Forget complex ETL! A detailed guide on using PostgreSQL FDW to query MySQL, MongoDB, and CSV directly. Speed up multi-source data processing with just a few SQL lines.

Virtualization

Build Your Own Pro VDI System with Proxmox and Apache Guacamole: Smooth Remote Desktop via Browser

By admin April 28, 2026

Learn how to build a professional personal VDI system. Use Proxmox VE and Apache Guacamole for smooth access to Windows/Linux VMs via a web browser, optimized for speed and security.

MySQL

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.

Biome: Say Goodbye to the ESLint and Prettier ‘Maze’ to Speed Up Your Projects by 25x

Optimize Proxmox VE in 5 Minutes with Helper Scripts: Remove Subscription Nag and Configure Standard Repos

Automating Ubuntu Server Hardening to CIS Benchmarks Standards with USG

Why I Ditched Requests for Httpx: A Guide to Async HTTP Client and HTTP/2 for Python

Mount and Edit qcow2, vmdk Files Directly on Linux Using NBD: Fast, Simple, No VM Boot Required

Mastering Type Checking in Python with Mypy: Stop TypeErrors Before Deployment

Installing SoftEther VPN on Linux: A Powerful ‘All-in-One’ VPN Solution

Professional NVIDIA GPU Monitoring with Prometheus & DCGM Exporter: Don’t wait for a ‘burnout’ to fix it

Circuit Breaker in Node.js with Opossum: Don’t Let One Failing Service Bring Down the Whole System

Using Vision LLM to Convert Architecture Diagrams to Terraform: From Sketch to Source Code in 30 Seconds

Distroless Docker Images: Remove Unnecessary Shell and OS to Harden Container Security

Docker Compose Profiles: Managing Optional Services by Environment — Debug and Monitoring Completely Isolated

Getting Started with ClickHouse: A High-Performance OLAP Database for Large-Scale Analytics

Diagnosing VMware ESXi with esxtop: A Practical Troubleshooting Field Guide

Farewell Webpack: How I ‘Hacked’ Project Build Speed 10x with Vite

PostgreSQL FDW: The Ultimate Trick to Query MySQL, MongoDB, and CSV Directly Without ETL

Build Your Own Pro VDI System with Proxmox and Apache Guacamole: Smooth Remote Desktop via Browser

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

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

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