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Building a Stealth VPN with Xray-core and XTLS-Reality on Linux: Traffic That Looks Like Regular HTTPS

By admin June 27, 2026

A complete A-to-Z guide to installing Xray-core with XTLS-Reality on a Linux server — generating keypairs, configuring VLESS, setting up the client, and monitoring. VPN traffic looks like ordinary HTTPS and cannot be detected or blocked by DPI.

Network

Build Your Own Captive Portal with nodogsplash: Professional Public Wi-Fi Control on Linux

By admin June 27, 2026

Set up a professional Captive Portal on Linux with nodogsplash. Detailed guide on managing Wi-Fi access, limiting users, and customizing splash pages effectively.

MySQL

MySQL InnoDB Locking: Understanding Row, Gap, and Next-Key Locks to Prevent System Crashes

By admin June 27, 2026

A deep dive into Row, Gap, and Next-Key Locks in MySQL InnoDB. Real-world experience for preventing deadlocks and optimizing performance for high-scale systems.

Fedora

Optimizing Your Coding Workflow with Fedora Sway Spin: From Installation to Advanced Configuration

By admin June 27, 2026

Fedora Sway Spin is the perfect choice for developers looking to optimize performance. This guide helps you master Wayland, configure Waybar, and optimize RAM usage.

Ubuntu

Fix Ubuntu GRUB Errors in 5 Minutes with Boot-Repair: Fast, Reliable, and Secure

By admin June 27, 2026

GRUB menu disappeared after installing Windows? Don't worry. This Boot-Repair guide will help you restore Ubuntu's boot capability in minutes—safely and without data loss.

Fedora

Goodbye ‘podman generate systemd’: How to Use Quadlet for Professional Container Management on Fedora

By admin June 27, 2026

Forget podman generate systemd! This guide helps you master Podman Quadlet on Fedora to manage rootless containers like a pro using .container files.

Database

Professional Database Schema Management with Bytebase: GitOps Workflow and SQL Review for Dev Teams

By admin June 27, 2026

A detailed guide on using Bytebase to manage Database Schema Changes following GitOps standards. Help dev teams automate SQL reviews for safer and more professional deployments.

VMware

VMware Photon OS Deployment Guide: The Optimized Linux for Containers and Cloud-Native Workloads on vSphere

By admin June 26, 2026

VMware Photon OS is a minimal Linux distribution purpose-built for running containers and cloud-native workloads on vSphere. This article shares real-world deployment experience from start to finish: deploying from OVA, configuring networking with systemd-networkd, optimizing Docker, and monitoring across an ESXi cluster.

MySQL

Optimizing MySQL Storage: Choosing the Right Data Types to Speed Up I/O and Save RAM

By admin June 26, 2026

Choosing the wrong MySQL data types causes unnecessarily bloated databases, high I/O, and wasted RAM. This article shares real-world experience from a 50GB production database: how to choose correctly between INT/BIGINT, VARCHAR/TEXT, ENUM, and TIMESTAMP to optimize performance right from schema design.

Git

Secure Git Credentials Management on Linux with Git Credential Manager and libsecret: Auto-save GitHub/GitLab Tokens

By admin June 26, 2026

Compare four methods for storing Git credentials on Linux: store, cache, libsecret, and Git Credential Manager. Practical setup guide based on six months of real-world experience — choose the right approach for your desktop or server environment.

Netdisco: Effortless Network Topology Automation and Switch Port Management

Snapshot Testing with Pytest-snapshot: Stop Struggling with Manual Assertions

Say Goodbye to Passwords: Implementing Magic Links with Node.js and Nodemailer

Securing Python Source Code with PyArmor: Effectively Preventing Reverse Engineering and Protecting Intellectual Property

Feature-Sliced Design (FSD): A ‘Divide and Conquer’ Solution for Large-Scale React Projects

Building Professional CLIs with Node.js and Oclif: From Fragmented Scripts to Standardized Tools

Implementing Circuit Breaker in Python: Don’t Let a Faulty API Crash Your Entire System

Deploying FastNetMon: A Lightweight DDoS Detection Solution via NetFlow/sFlow

3 Pro GraphQL Security Tips: Don’t Hand Hackers the Keys to Your Kingdom

Securing Sudo with 2FA: The Final Defense Against Root Hijacking

Building a Stealth VPN with Xray-core and XTLS-Reality on Linux: Traffic That Looks Like Regular HTTPS

Build Your Own Captive Portal with nodogsplash: Professional Public Wi-Fi Control on Linux

MySQL InnoDB Locking: Understanding Row, Gap, and Next-Key Locks to Prevent System Crashes

Optimizing Your Coding Workflow with Fedora Sway Spin: From Installation to Advanced Configuration

Fix Ubuntu GRUB Errors in 5 Minutes with Boot-Repair: Fast, Reliable, and Secure

Goodbye ‘podman generate systemd’: How to Use Quadlet for Professional Container Management on Fedora

Professional Database Schema Management with Bytebase: GitOps Workflow and SQL Review for Dev Teams

Optimizing MySQL Storage: Choosing the Right Data Types to Speed Up I/O and Save RAM

Secure Git Credentials Management on Linux with Git Credential Manager and libsecret: Auto-save GitHub/GitLab Tokens