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Virtualization tutorial - IT technology blog

Building Your Own Vagrant Box from KVM/Libvirt: Optimizing Lab Environments for IT Teams

By admin August 24, 2026

Don't let environment setup slow down your project. Discover how to build custom Vagrant Boxes from KVM/Libvirt to standardize workflows for your IT team.

Network

Network Automation with Nornir: When Python Outperforms Ansible in Speed

By admin August 23, 2026

Nornir is a powerful Python framework that helps Network Engineers automate configurations for thousands of network devices with significantly higher speed than Ansible.

MySQL

MySQL Timezone Handling: Don’t Let Your App Get Lost Across Time Zones

By admin August 23, 2026

Eliminate MySQL timezone offsets with expert guidance. Learn the difference between TIMESTAMP and DATETIME, loading timezone tables, and optimizing indexes for millions of records.

Python

Automating Microsoft Word with Python: Say Goodbye to Manual Reporting

By admin August 23, 2026

Forget manual copy-pasting! Learn how to use Python to automate professional Word reports, ensuring accuracy and saving time for IT professionals.

Docker

Dockerizing SvelteKit: Reducing Image Size from 1GB to 100MB with Multi-stage Builds

By admin August 23, 2026

Learn how to optimize SvelteKit Docker images from 1GB down to 100MB. Detailed guide on Multi-stage builds, Node Adapter, and Nginx configuration for production.

VMware

vCLS: The ‘Uninvited Guest’ on vSphere and a Management Survival Guide for Sysadmins

By admin August 23, 2026

Managing vSphere Cluster Services (vCLS) is no longer a headache. Learn how to move Agent VMs, use Retreat Mode, and troubleshoot Datastore issues on vSphere 7.0/8.0.

Artificial Intelligence tutorial - IT technology blog

LangServe: The ‘Shortcut’ to Turning LangChain into Production-Ready REST APIs

By admin August 23, 2026

Learn how to turn LangChain into a professional REST API with LangServe. This guide covers everything from setup to 'hard-earned' lessons for production deployment, optimizing performance and security.

Security

Stop Unauthorized IP Access: Configuring Authenticated Origin Pulls (Cloudflare & Nginx)

By admin August 23, 2026

Secure your Nginx server comprehensively by only allowing traffic from Cloudflare via the Authenticated Origin Pulls (mTLS) mechanism.

MySQL

Handling MySQL Replication Data Drift: Mastering Percona Toolkit with Zero Downtime

By admin August 23, 2026

Is your Master and Slave data out of sync even though Replication is running? Learn to use pt-table-checksum and pt-table-sync for online MySQL synchronization without downtime.

Netdisco: Effortless Network Topology Automation and Switch Port Management

Snapshot Testing with Pytest-snapshot: Stop Struggling with Manual Assertions

Say Goodbye to Passwords: Implementing Magic Links with Node.js and Nodemailer

Securing Python Source Code with PyArmor: Effectively Preventing Reverse Engineering and Protecting Intellectual Property

Feature-Sliced Design (FSD): A ‘Divide and Conquer’ Solution for Large-Scale React Projects

Building Professional CLIs with Node.js and Oclif: From Fragmented Scripts to Standardized Tools

Implementing Circuit Breaker in Python: Don’t Let a Faulty API Crash Your Entire System

Deploying FastNetMon: A Lightweight DDoS Detection Solution via NetFlow/sFlow

3 Pro GraphQL Security Tips: Don’t Hand Hackers the Keys to Your Kingdom

Securing Sudo with 2FA: The Final Defense Against Root Hijacking

Building Your Own Vagrant Box from KVM/Libvirt: Optimizing Lab Environments for IT Teams

Network Automation with Nornir: When Python Outperforms Ansible in Speed

MySQL Timezone Handling: Don’t Let Your App Get Lost Across Time Zones

Automating Microsoft Word with Python: Say Goodbye to Manual Reporting

Dockerizing SvelteKit: Reducing Image Size from 1GB to 100MB with Multi-stage Builds

vCLS: The ‘Uninvited Guest’ on vSphere and a Management Survival Guide for Sysadmins

LangServe: The ‘Shortcut’ to Turning LangChain into Production-Ready REST APIs

Stop Unauthorized IP Access: Configuring Authenticated Origin Pulls (Cloudflare & Nginx)

Handling MySQL Replication Data Drift: Mastering Percona Toolkit with Zero Downtime