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Virtualization tutorial - IT technology blog

Configuring TRIM/UNMAP for KVM/Proxmox: Reclaiming ‘Occupied’ Disk Space

By admin August 12, 2026

Stop virtual machine disks from bloating unnecessarily. Detailed guide on configuring TRIM/UNMAP for KVM/Proxmox to automatically reclaim physical space when deleting files.

VMware

Configuring Scratch Partition on VMware ESXi: The Ultimate Fix for Missing Logs and Core Dumps

By admin August 12, 2026

ESXi hosts installed on SD Cards/USB often lose logs after a reboot. Learn how to configure a Scratch Partition to store System Logs and Core Dumps securely on a Datastore.

Docker

Say Goodbye to Crontab: Managing Docker Cron Jobs More Professionally with Ofelia

By admin August 12, 2026

A detailed guide on using Ofelia to manage Docker Cron Jobs. Replace traditional Crontab with a powerful Docker-native solution featuring Slack alerts and Label-based management.

Development

PocketBase: Build an “All-in-one” Backend at Lightning Speed with a Single File

By admin August 12, 2026

PocketBase is a powerful open-source Backend-as-a-Service solution that integrates Database, Auth, and File Storage into a single executable. It's the perfect tool for building MVPs and small projects at lightning speed.

Artificial Intelligence tutorial - IT technology blog

Shedding Light on the ‘Black Box’ of Local RAG with Arize Phoenix in 5 Minutes

By admin August 12, 2026

Set up Arize Phoenix to trace and evaluate 100% local RAG. Learn how to use an LLM Judge for auto-scoring and optimizing latency for your AI system.

Development

Design Patterns in Go: From ‘Spaghetti Code’ to Production-Ready Systems

By admin August 12, 2026

Don't let your Go code turn into spaghetti. Discover how to apply Singleton, Factory, and Strategy patterns based on real-world Fintech project experience.

VMware

Mastering VMware Skyline Health: Proactive vSphere Diagnostics Before Issues Occur

By admin August 12, 2026

Stop reacting to vSphere crashes. Learn how to use VMware Skyline Health to automate hardware compatibility, driver, and system configuration checks like a pro.

Build Your Own ‘Google Search’ for AI: Combining SearXNG and LangChain to Break Knowledge Limits

By admin August 12, 2026

Build your own private, free AI Search Engine with SearXNG and LangChain. Enable LLMs to access real-time data and overcome knowledge limits without expensive API fees.

Database

pg_repack Guide: Efficiently Resolving PostgreSQL Bloat with Zero Downtime

By admin August 11, 2026

PostgreSQL bloat wastes resources and degrades performance. Discover how to use pg_repack to efficiently reclaim disk space with zero downtime.

MySQL

MySQL 9.0: Writing Stored Procedures with JavaScript Instead of Pure SQL

By admin August 11, 2026

MySQL 9.0 now supports writing Stored Procedures in JavaScript. Discover how to optimize business logic, handle JSON seamlessly, and boost system performance compared to traditional SQL.