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

By IT From Zero 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 IT From Zero 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 IT From Zero 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 IT From Zero 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 IT From Zero 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 IT From Zero 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.

MySQL

MySQL Multi-Source Replication: The Ultimate Consolidation Trick for Data Engineers

By IT From Zero May 17, 2026

Tired of manual data aggregation? Discover how to configure MySQL Multi-Source Replication to consolidate data from multiple masters into a single source. Practical tips on handling ID conflicts and speed optimization for MySQL 8.0.

Ubuntu

Optimizing Ubuntu with XanMod Kernel: Reduce Latency and Boost System Speed

By IT From Zero May 17, 2026

A guide to installing and optimizing XanMod Kernel on Ubuntu based on real-world experience. Reduce system latency and boost processing speeds for both servers and personal computers effectively.

Network

Building a Site-to-Site VPN with StrongSwan: Secure and Professional Branch Connectivity

By IT From Zero May 17, 2026

Need to connect internal networks between offices? This detailed StrongSwan Site-to-Site VPN setup guide helps you build secure, stable IPsec tunnels on Linux with real-world troubleshooting tips.

Virtualization

KubeVirt: Running Virtual Machines Directly on Kubernetes for DevOps

By IT From Zero May 17, 2026

KubeVirt bridges the gap between VMs and containers, enabling centralized management on Kubernetes. Explore deployment steps and practical tips to optimize your DevOps infrastructure.

MySQL Group Replication Tutorial: Building an Auto-Failover InnoDB Cluster

OpenSCAP Guide for Linux: Automated Scanning and CIS Benchmark Remediation

A Guide to Configuring Table Partitioning in MySQL: Boosting Large Table Performance with RANGE and LIST

How to Install and Configure Fail2ban on Linux: Block SSH and Web Server Brute-Force Attacks

Configuring kdump on Fedora Server: Capturing Kernel Panics and Analyzing Crash Dumps

Kokoro-TTS Setup and Usage Guide: Building an Offline AI Text-to-Speech System on Linux

Real-Time File Synchronization on CentOS Stream 9 with Lsyncd and Rsync: A Production-Grade Setup

How to Use Rclone on Ubuntu to Automate Data Backups to Google Drive, S3, and OneDrive

Installing and Configuring AIDE on CentOS Stream 9: File Integrity Monitoring and Tamper Detection

How to Monitor HashiCorp Vault with Prometheus and Grafana: Tracking Token Leases, Request Latency, and Unseal Status

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

MySQL Multi-Source Replication: The Ultimate Consolidation Trick for Data Engineers

Optimizing Ubuntu with XanMod Kernel: Reduce Latency and Boost System Speed

Building a Site-to-Site VPN with StrongSwan: Secure and Professional Branch Connectivity

KubeVirt: Running Virtual Machines Directly on Kubernetes for DevOps