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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.

Linux

Recover Linux Partitions and Data: A Practical Guide to TestDisk and PhotoRec

By admin May 16, 2026

Lost data or accidentally deleted a Linux partition? A practical guide on using TestDisk and PhotoRec to recover data quickly and safely from an expert.

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

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

Recover Linux Partitions and Data: A Practical Guide to TestDisk and PhotoRec