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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.

MySQL

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

By admin 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 admin 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 admin 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 admin 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.

Fedora

Mastering rpm-build and rpmlint: Bringing ‘Home-Grown’ Scripts to Fedora Standards

By admin May 17, 2026

Stop manual file copying! Learn to package RPMs on Fedora with rpm-build and rpmlint for professional software management, automated dependencies, and fast deployment.

Ubuntu

Ubuntu Security: Using Firejail to Sandbox Applications and Prevent Data Theft

By admin May 17, 2026

Don't let a random GitHub script steal your SSH keys or passwords. Firejail allows you to easily sandbox Ubuntu applications, keeping your system secure and lightweight.

Git

Git Rerere: Don’t Let Merge Conflicts Trouble You Twice

By admin May 17, 2026

Git Rerere is a feature that remembers how you fix merge conflicts to automatically apply them next time. This trick saves 30-40 minutes when rebasing complex branches.

Git

Trunk-based Development: The Secret to Eliminating ‘Merge Hell’ and Accelerating CI/CD

By admin May 16, 2026

Trunk-based Development is the secret weapon used by top tech teams like Google and Facebook to accelerate releases. Learn how to eliminate merge conflict fears and optimize your CI/CD workflow today.

Database

Deploying MariaDB Galera Cluster: A Multi-master High Availability Solution for Production

By admin May 16, 2026

A detailed guide on setting up a 3-node MariaDB Galera Cluster. This synchronous multi-master solution ensures your database system stays online and secure against hardware failures.

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

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

Mastering rpm-build and rpmlint: Bringing ‘Home-Grown’ Scripts to Fedora Standards

Ubuntu Security: Using Firejail to Sandbox Applications and Prevent Data Theft

Git Rerere: Don’t Let Merge Conflicts Trouble You Twice

Trunk-based Development: The Secret to Eliminating ‘Merge Hell’ and Accelerating CI/CD

Deploying MariaDB Galera Cluster: A Multi-master High Availability Solution for Production