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Zod: The Ultimate Runtime Error Safeguard for TypeScript Projects

By admin May 18, 2026

TypeScript alone isn't enough. Learn how to use Zod for runtime data validation, automatic Type and Schema synchronization, and making your apps safer against unexpected data errors.

VMware

Fixing the ‘The virtual machine is in use’ Error: How to Handle .lck Files to Rescue VMware VMs

By admin May 18, 2026

Is your VMware VM showing 'The virtual machine is in use' and causing stress? Check out this guide on safely deleting .lck files to unlock your VM on Workstation and ESXi.

Docker

Rust + Docker: Slash Build Times from 10 Minutes to 30 Seconds with Cargo Chef

By admin May 18, 2026

Taking 10 minutes to build a Rust container? Try Cargo Chef. Optimize Layer Caching to reduce compilation time to just seconds for real-world projects.

VMware

Mastering VMware Content Library: A Unified Solution for ISOs and VM Templates

By admin May 18, 2026

Stop letting ISOs and VM templates scatter across ESXi hosts. This guide shows how to set up VMware Content Library for centralized management and optimized deployment.

Docker

Dockerize Next.js Standalone: Shrinking Images from 1.2GB to 120MB

By admin May 18, 2026

Dockerizing Next.js with Standalone mode helps reduce image size from 1.2GB to 120MB. Here is a detailed guide on configuration and writing an optimized Dockerfile for Production.

Docker

LazyDocker: Manage Docker via Terminal the “Lazy” but Professional Way

By admin May 18, 2026

Managing dozens of containers has never been easier. Discover LazyDocker - a powerful Terminal UI for viewing logs, monitoring CPU/RAM, and managing Docker fast.

MySQL

MySQL 8 Invisible Columns: The ‘Secret Weapon’ for Database Upgrades Without Breaking Your App

By admin May 18, 2026

Invisible Columns in MySQL 8 helps you upgrade table structures without breaking legacy applications. Learn how to add stealth metadata columns and apply them to zero-downtime deployments.

Docker

Testcontainers Guide: Stop Using H2 Database for Integration Testing

By admin May 17, 2026

The era of using H2 Database for testing is over. Here is a detailed guide on using Testcontainers with Docker to automate Integration Tests and ensure production parity.

Network

Mastering iproute2: Moving Beyond Just Assigning IPs

By admin May 17, 2026

Ditch ifconfig and master iproute2. A detailed guide covering IP management, MTU optimization for VPNs, and Policy Based Routing (PBR) for Multi-WAN systems.

Security

Self-hosting Passbolt with Docker: Ending Password Sharing via Zalo for Tech Teams

By admin May 17, 2026

Stop the habit of sending passwords via Zalo. Learn how to install self-hosted Passbolt with Docker for professional team credential management with GPG encryption and transparent Audit Logs.

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

Zod: The Ultimate Runtime Error Safeguard for TypeScript Projects

Fixing the ‘The virtual machine is in use’ Error: How to Handle .lck Files to Rescue VMware VMs

Rust + Docker: Slash Build Times from 10 Minutes to 30 Seconds with Cargo Chef

Mastering VMware Content Library: A Unified Solution for ISOs and VM Templates

Dockerize Next.js Standalone: Shrinking Images from 1.2GB to 120MB

LazyDocker: Manage Docker via Terminal the “Lazy” but Professional Way

MySQL 8 Invisible Columns: The ‘Secret Weapon’ for Database Upgrades Without Breaking Your App

Testcontainers Guide: Stop Using H2 Database for Integration Testing

Mastering iproute2: Moving Beyond Just Assigning IPs

Self-hosting Passbolt with Docker: Ending Password Sharing via Zalo for Tech Teams