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Fedora tutorial - IT technology blog
Deploying MySQL 8 on Fedora Server: Production Configuration Guide and SELinux Troubleshooting
July 22, 2026
Virtualization tutorial - IT technology blog
Vagrant + KVM/Libvirt: How to Double Your VM Speed on Linux
July 22, 2026
Git tutorial - IT technology blog
Gitolite: Ultra-lightweight Git Server Management for 1GB RAM VPS
July 22, 2026
Python tutorial - IT technology blog
MongoDB + Python: From Basic CRUD to Advanced Aggregation with PyMongo
July 22, 2026
Git tutorial - IT technology blog
Guide to Using git-sizer: “Rescuing” Bloated and Sluggish Git Repositories
July 22, 2026
Python tutorial - IT technology blog
Process Python Data Like a Pro with Counter, defaultdict, and deque
July 22, 2026
VMware tutorial - IT technology blog
VMware vSphere NIOC Configuration Guide: Eliminating Noisy Neighbors and Optimizing Bandwidth
July 22, 2026
Database tutorial - IT technology blog
Deploying Metabase with Docker: A Self-Service BI Solution to Replace Manual Data Extraction
July 22, 2026
Fedora tutorial - IT technology blog
Packaging Linux Applications: A Complete Guide to flatpak-builder on Fedora
July 22, 2026
MySQL tutorial - IT technology blog
MySQL 9.0 and VECTOR: Embedding Storage Solution for AI Apps Without a Secondary DB
July 22, 2026
Python tutorial - IT technology blog
Posted inPython

Python JSON Serialization: 10x Speed Boost with orjson and msgspec

Posted by By admin July 18, 2026
Is Python's default json library too slow? Explore orjson and msgspec—the duo that boosts data processing by 10x with native support for datetime, UUID, and high-speed validation.
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Development tutorial - IT technology blog
Posted inDevelopment

Docusaurus: Making Docs-as-Code Documentation a Dream, Not a Nightmare

Posted by By admin July 18, 2026
Don't let documentation become a nightmare. This A-Z Docusaurus guide helps you build professional Docs-as-Code documentation sites in just minutes.
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Development tutorial - IT technology blog
Posted inDevelopment

Implementing ABAC with Open Policy Agent (OPA) and Node.js for Complex Microservices Systems

Posted by By admin July 17, 2026
When RBAC is no longer sufficient for complex authorization logic in Microservices, Open Policy Agent (OPA) and the ABAC model offer a practical solution. This post shares production experience with Node.js, Rego policies, and how to integrate OPA into Express middleware.
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Python tutorial - IT technology blog
Posted inPython

Building a Telegram Bot with Python and python-telegram-bot: Receive Notifications and Control Your Server Remotely

Posted by By admin July 17, 2026
A step-by-step guide to building a Telegram Bot with Python and python-telegram-bot v20+ for remote server monitoring and control. Covers command handling, inline confirmation keyboards, proactive alerts from cron jobs, and running the bot as a systemd service.
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Artificial Intelligence tutorial - IT technology blog
Posted inAI

How to Install and Use OpenHands: The AI Agent for Automated Coding on Linux

Posted by By admin July 17, 2026
A step-by-step guide to installing and using OpenHands (OpenDevin) on Linux to automate code writing, bug fixing, and programming task execution via Docker and LLM.
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Network tutorial - IT technology blog
Posted inNetwork

Goodbye Excel: How to Install phpIPAM for Professional IP Infrastructure Management

Posted by By admin July 17, 2026
It's time to ditch error-prone Excel files for IP management. This guide shows how to install phpIPAM on Ubuntu to manage subnets, VLANs, and automate IP scanning.
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Docker tutorial - IT technology blog
Posted inDocker

Build Your Own Local AI Chatbot: Deploying Ollama and Open WebUI with Docker Compose

Posted by By admin July 17, 2026
Learn how to build a private, high-security AI chatbot. Detailed guide on deploying Ollama and Open WebUI with Docker Compose, optimizing GPUs for full offline operation.
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Docker tutorial - IT technology blog
Posted inDocker

nsenter: The Network Debugging “Lifesaver” for Lightweight Docker Containers (Distroless/Alpine)

Posted by By admin July 17, 2026
Stop rebuilding Docker images just to install curl or ping. Use nsenter to directly access the Network Namespace and debug like a pro.
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Docker tutorial - IT technology blog
Posted inDocker

Docker Volume & NFS: The ‘Lifesaver’ Solution for Multi-Host Data

Posted by By admin July 17, 2026
A guide on configuring Docker Volumes with the NFS Driver for multi-host data sharing. A simple, effective solution for Docker Swarm and High Availability.
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Docker tutorial - IT technology blog
Posted inDocker

Colima Guide: A Smooth Docker Desktop Alternative, a ‘Lifesaver’ for RAM on macOS

Posted by By admin July 17, 2026
Don't let Docker Desktop hog all your RAM. Learn how to switch to Colima: a lightweight, free Docker Engine alternative perfectly optimized for macOS M1/M2/M3.
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