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Using Dive to Inspect Docker Image Layers: How I Slimmed Down an Image from 1.5GB to 120MB

By admin April 15, 2026

Learn how to use Dive to dissect Docker image layers, identify junk files, and optimize image size from 1.5GB to 120MB through a real-world example.

Security

Gitleaks Installation Guide: The “Shield” to Prevent Secret and API Key Leaks in Git

By admin April 15, 2026

Don't let API key leaks ruin your career. A detailed guide on installing Gitleaks to automatically detect and prevent secret exposure in Git repositories.

VMware

The Ultimate Fix for I/O Lag: Converting VMware Thin to Thick Provisioning

By admin April 15, 2026

Is your VMware system lagging due to I/O latency? Learn how to convert from Thin to Thick Provisioning using vSphere Client and vmkfstools to optimize performance for SQL Server and Databases.

Development

Building Real-time Applications with WebSocket and Node.js: From Chat Apps to 10,000 CCU Dashboards

By admin April 14, 2026

Learn how to build real-time applications from Chat Apps to professional monitoring Dashboards. This article shares experiences in handling memory leaks, scaling with Redis, and optimizing performance for 10,000+ connections.

Docker

Goodbye var_dump: How to Properly Configure Xdebug in Docker and VS Code

By admin April 14, 2026

Learn how to set up Xdebug in Docker and connect it to VS Code for professional PHP debugging. Eliminate var_dump and save 40% of your bug-hunting time.

VMware

Connecting VMware ESXi to iSCSI Shared Storage: Configuring Software Adapter and Datastore Cluster in Practice

By admin April 14, 2026

A 5-step guide to connecting VMware ESXi with iSCSI Shared Storage. Learn to optimize Port Binding, set up Round Robin Multipathing, and create shared Datastores.

Virtualization

SPICE Protocol: The Ultimate Secret for Remote KVM Access as Smooth as a Physical Machine

By admin April 14, 2026

Configure SPICE Protocol for KVM to reduce screen latency, support two-way audio, and enable smooth USB Passthrough. Detailed guide for Proxmox and Ubuntu Server.

VMware

Simplify VMware Network Admin with vSphere Distributed Switch (vDS): Real-World Experience

By admin April 14, 2026

Configuring VMware vDS is easy once you master the process. This article shares real-world experience on centralized network management, NIOC, LACP, and using PowerCLI to automate VMware infrastructure.

Ubuntu

Speed Up Ubuntu Disk Cleanup with ncdu and duf: Replacing Outdated Commands

By admin April 14, 2026

Forget the old df and du commands. Learn how to use ncdu and duf for intuitive Ubuntu disk management, finding and deleting large files on your VPS in seconds.

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

Using Dive to Inspect Docker Image Layers: How I Slimmed Down an Image from 1.5GB to 120MB

Gitleaks Installation Guide: The “Shield” to Prevent Secret and API Key Leaks in Git

The Ultimate Fix for I/O Lag: Converting VMware Thin to Thick Provisioning

Building Real-time Applications with WebSocket and Node.js: From Chat Apps to 10,000 CCU Dashboards

Goodbye var_dump: How to Properly Configure Xdebug in Docker and VS Code

Connecting VMware ESXi to iSCSI Shared Storage: Configuring Software Adapter and Datastore Cluster in Practice

SPICE Protocol: The Ultimate Secret for Remote KVM Access as Smooth as a Physical Machine

Simplify VMware Network Admin with vSphere Distributed Switch (vDS): Real-World Experience

Speed Up Ubuntu Disk Cleanup with ncdu and duf: Replacing Outdated Commands