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Monitoring tutorial - IT technology blog

Guide to configuring SMS and Telegram alerts with Alertmanager

By admin March 14, 2026

Monitoring alone isn't enough; you need instant notifications when incidents occur. This guide shows you how to configure Alertmanager to send alerts directly via Telegram and SMS, helping you address issues promptly.

Database

Guide to Installing and Optimizing MongoDB for Production Environments

By admin March 14, 2026

Deploying MongoDB in a production environment is more than just basic installation. This article analyzes common issues, core causes, and provides detailed guidance on installation, Replica Set configuration, indexing optimization, security enhancement, and scaling with Sharding, helping your application run stably and efficiently.

Virtualization

VirtualBox: Advanced Network Configuration – Shared Folders, VPN, and Isolated Environments for IT

By admin March 14, 2026

This article explores advanced VirtualBox network configurations, including shared folders, VPN setups, and creating isolated virtual environments for IT professionals.

Monitoring

Zabbix Installation Guide from A-Z: Build Your Own Professional Monitoring System

By admin March 13, 2026

I. Introduction to Zabbix and Why You Need It In today's IT landscape, ensuring the…

Network

Guide to Configuring SSH Tunnel: Local, Remote, and Dynamic Port Forwarding

By admin March 13, 2026

SSH Tunneling is not just a convenient tool, but also a powerful solution for flexible network security and access. Learn how to configure Local, Remote, and Dynamic Port Forwarding to overcome network limitations, protect data, and optimize daily tasks.

Virtualization

QEMU/KVM Installation and Configuration Guide on CentOS/RHEL: Optimizing Virtualization Performance

By admin March 13, 2026

KVM/QEMU on CentOS/RHEL is a high-performance virtualization solution, ideal for servers and homelabs. This article provides a detailed guide to installation, configuration, and performance optimization, sharing practical experience to help you master this platform from A to Z.

Database

How to Install and Configure PostgreSQL Streaming Replication: Real-time Data Synchronization between Primary and Standby

By admin March 13, 2026

Learn how to set up PostgreSQL Streaming Replication for High Availability and Disaster Recovery. A step-by-step guide to configuration and data synchronization between Primary and Standby.

MySQL

MySQL Server Security: Essential Steps to Protect Production Data

By admin March 13, 2026

MySQL server security is vital for protecting production data. This article compares security methods, from basic configuration to SSL/TLS implementation and firewalls. It provides detailed steps to ensure the safety of your database.

Artificial Intelligence tutorial - IT technology blog

Building a Multi-Platform AI Chatbot: Integrating Telegram, Slack, and Discord

By admin March 13, 2026

This article guides you through building a multi-platform AI chatbot, seamlessly integrating with Telegram, Slack, and Discord using Python. You'll learn about modular architecture, platform configuration, and practical deployment for an intelligent, time-saving, and performance-optimized chatbot.

Virtualization

Automate Virtual Machine Deployment on Proxmox/KVM with Cloud-Init: Create Templates and Customize on First Boot

By admin March 13, 2026

Discover Cloud-Init on Proxmox/KVM: The solution for automating virtual machine deployment and configuration from the first boot. Save time, reduce errors, and increase consistency for your homelab infrastructure.

Deploying MySQL 8 on Fedora Server: Production Configuration Guide and SELinux Troubleshooting

Vagrant + KVM/Libvirt: How to Double Your VM Speed on Linux

Gitolite: Ultra-lightweight Git Server Management for 1GB RAM VPS

MongoDB + Python: From Basic CRUD to Advanced Aggregation with PyMongo

Guide to Using git-sizer: “Rescuing” Bloated and Sluggish Git Repositories

Process Python Data Like a Pro with Counter, defaultdict, and deque

VMware vSphere NIOC Configuration Guide: Eliminating Noisy Neighbors and Optimizing Bandwidth

Deploying Metabase with Docker: A Self-Service BI Solution to Replace Manual Data Extraction

Packaging Linux Applications: A Complete Guide to flatpak-builder on Fedora

MySQL 9.0 and VECTOR: Embedding Storage Solution for AI Apps Without a Secondary DB

Guide to configuring SMS and Telegram alerts with Alertmanager

Guide to Installing and Optimizing MongoDB for Production Environments

VirtualBox: Advanced Network Configuration – Shared Folders, VPN, and Isolated Environments for IT

Zabbix Installation Guide from A-Z: Build Your Own Professional Monitoring System

Guide to Configuring SSH Tunnel: Local, Remote, and Dynamic Port Forwarding

QEMU/KVM Installation and Configuration Guide on CentOS/RHEL: Optimizing Virtualization Performance

How to Install and Configure PostgreSQL Streaming Replication: Real-time Data Synchronization between Primary and Standby

MySQL Server Security: Essential Steps to Protect Production Data

Building a Multi-Platform AI Chatbot: Integrating Telegram, Slack, and Discord