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Monitoring tutorial - IT technology blog

Node Exporter: Collecting Linux System Metrics for Prometheus

By admin April 8, 2026

Node Exporter is an essential component of the Prometheus stack, responsible for collecting CPU, RAM, disk, and network metrics from Linux systems. This guide walks through installation, collector configuration, and verifying that Node Exporter is working correctly before connecting it to Prometheus.

Git

Git Interactive Rebase: How I Clean Up Messy Commit History Before Going to Production

By admin April 8, 2026

Git interactive rebase is a tool that helps you squash commits, edit messages, and clean up Git history effectively. Learn how to professionally tidy up code before merging into the main branch.

Linux

How to Use rclone to Sync and Backup Data from Linux to the Cloud (Google Drive, S3, OneDrive)

By admin April 8, 2026

A step-by-step guide to installing and configuring rclone on Linux to sync and backup data to Google Drive, Amazon S3, and OneDrive using practical commands. Includes how to automate backups with cron and tips for optimizing performance.

Development

Swagger (OpenAPI 3.0): The Ultimate Way to Tame Your API Documentation Chaos

By admin April 8, 2026

Learn how to build and automate API documentation with Swagger (OpenAPI 3.0). A practical solution that saves developers 30% of communication overhead and brings a professional edge to any project.

Artificial Intelligence tutorial - IT technology blog

Building Semantic Search with Python: When Computers Truly ‘Understand’ User Intent

By admin April 7, 2026

The era of dry keyword search is over. Learn to build a smart Semantic Search system with Python, helping computers understand the meaning of queries and return accurate results even without matching keywords.

Fedora

Mastering Stratis on Fedora: Managing Storage More Easily with Pools and Snapshots

By admin April 7, 2026

Detailed guide on using Stratis on Fedora for smart storage management. Learn how to create Pools, Filesystems, and Snapshots quickly from an IT expert's real-world experience.

Development

Building Efficient RESTful APIs with Node.js and Express: Design, Authentication, and Versioning

By admin April 7, 2026

After 6 months running a Node.js/Express API in production, this post distills what actually matters: structuring routes properly for REST, validating input with Joi, JWT authentication, and managing versioning so you never have to break existing clients.

MySQL

How to Import Large Datasets into MySQL Fast with LOAD DATA INFILE: Optimizing Throughput for Millions of Records

By admin April 7, 2026

Learn how to use LOAD DATA INFILE to import millions of records into MySQL at maximum speed. This article shares hands-on experience with configuration, index optimization, and handling data format errors.

Docker

Supercharge Docker Builds with BuildKit Mount Cache: From 10 Minutes to 30 Seconds

By admin April 7, 2026

Speed up Docker builds by 10x with BuildKit Mount Cache. Learn how to persist caches for npm, pip, and go mod to optimize your development workflow.

Git

Mastering Git Cherry-pick: How to ‘Pick’ Commits Precisely and Conflict Resolution Tips

By admin April 7, 2026

Master Git Cherry-pick to copy specific commits between branches. Learn usage, conflict resolution, and real-world tips to save developer time.

Monitor MySQL Performance with Performance Schema and sys Schema: Find Bottlenecks Fast

Building a News Website with Django: A Step-by-Step Guide for Beginners

Structuring the .claude/ Directory for Claude Code Projects: From Small to Large

OOM Killer: Why Linux Kills Your MySQL and How to Protect It

VMware Aria Operations Deployment Guide: A Lifesaver for vSphere Administrators

MySQL: Don’t Let utf8 Deceive You – The Ultimate Guide to Fixing Emojis and Font Issues with utf8mb4

Incus on Ubuntu: Installation Guide and Upgrading from LXD

Linux ACL: How to Set ‘Ultra-Detailed’ Permissions for Each User (Replacing chmod 777)

Mastering HashiCorp Packer: Automating Proxmox and VMware VM Template Creation

Stop Installing Terraform and Ansible Directly: Use Docker CLI to Keep Your Host Clean

Node Exporter: Collecting Linux System Metrics for Prometheus

Git Interactive Rebase: How I Clean Up Messy Commit History Before Going to Production

Swagger (OpenAPI 3.0): The Ultimate Way to Tame Your API Documentation Chaos

Building Semantic Search with Python: When Computers Truly ‘Understand’ User Intent

Mastering Stratis on Fedora: Managing Storage More Easily with Pools and Snapshots

Building Efficient RESTful APIs with Node.js and Express: Design, Authentication, and Versioning

How to Import Large Datasets into MySQL Fast with LOAD DATA INFILE: Optimizing Throughput for Millions of Records

Supercharge Docker Builds with BuildKit Mount Cache: From 10 Minutes to 30 Seconds

Mastering Git Cherry-pick: How to ‘Pick’ Commits Precisely and Conflict Resolution Tips