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Virtualization tutorial - IT technology blog
Automating Proxmox with Terraform: From Manual ‘Click-ops’ to Professional IaC
April 23, 2026
Development tutorial - IT technology blog
Building a Data Streaming System with Apache Kafka and Node.js: From Zero to Production
April 23, 2026
Database tutorial - IT technology blog
Mastering Logical Replication in PostgreSQL: Flexible and Practical Data Sync
April 23, 2026
Fedora tutorial - IT technology blog
Mastering Fedora Security: Managing System-Wide Encryption with update-crypto-policies
April 23, 2026
Development tutorial - IT technology blog
Automating Dependencies with Renovate: Don’t Let Manual Updates Slow You Down
April 23, 2026
Docker tutorial - IT technology blog
Harbor Installation Guide: Building a Professional Private Registry for DevOps
April 23, 2026
Monitoring tutorial - IT technology blog
How to Never Forget SSL and Domain Renewals Again with Prometheus Blackbox Exporter
April 23, 2026
Git tutorial - IT technology blog
Boost Productivity with Git Aliases: Don’t Let Typing Commands Slow You Down
April 23, 2026
Docker tutorial - IT technology blog
How to Safely Expose Docker Containers to the Internet via Cloudflare Tunnel (No Port Forwarding)
April 23, 2026
Monitoring tutorial - IT technology blog
Self-hosting Grafana OnCall: Professional On-call Scheduling and Escalation for DevOps Teams
April 23, 2026
VMware tutorial - IT technology blog
Posted inVMware

Fixing ‘Virtualization technology is not enabled’ and Hyper-V conflicts on Windows 11

Posted by By admin April 13, 2026
The 'Virtualization technology is not enabled' error on Windows 11 isn't just about the BIOS. Here is a 4-step guide to fixing Hyper-V and VBS conflicts to help your VMware VMs achieve maximum performance.
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Network tutorial - IT technology blog
Posted inNetwork

Saving Linux Server Wi-Fi via CLI: Mastering nmcli and wpa_supplicant

Posted by By admin April 13, 2026
Lost Ethernet on a Linux Server? A detailed guide on using nmcli and wpa_supplicant to configure Wi-Fi via CLI, plus practical tips for handling routing and metric issues.
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Development tutorial - IT technology blog
Posted inDevelopment

Say Goodbye to Redux Boilerplate: Effortless React State Management with Zustand

Posted by By admin April 13, 2026
Learn effective React state management with Zustand. A detailed guide covering installation, async handling, performance optimization, and store organization to eliminate tedious boilerplate.
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Docker tutorial - IT technology blog
Posted inDocker

NVIDIA Container Toolkit: How to Run GPUs in Docker (Hands-on from Local to Production)

Posted by By admin April 13, 2026
Hands-on guide to installing NVIDIA Container Toolkit. Sharing tips for fixing CUDA errors, optimizing Docker Compose, and techniques to reduce GPU image size from 4GB to 150MB.
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VMware tutorial - IT technology blog
Posted inVMware

Upgrading VMware ESXi 7.0 to 8.0 via ESXCLI: Fast, Precise, and Minimal Risk

Posted by By admin April 12, 2026
Quickly and safely upgrade VMware ESXi 7.0 to 8.0 using the ESXCLI command line. This article covers detailed steps, configuration backups, and common driver troubleshooting.
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Security tutorial - IT technology blog
Posted inSecurity

Trapping SSH Hackers with Cowrie Honeypot: How I Caught Malware and Watched Intrusion Behavior Live

Posted by By admin April 12, 2026
Honeypots are a proactive way to trap attackers and study intrusion patterns. This article guides you through installing Cowrie on Linux to simulate SSH services, enabling you to collect malware and replay hacker sessions.
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Python tutorial - IT technology blog
Posted inPython

Processing Millions of Python Records: Don’t Let MemoryError Crash Your Server

Posted by By admin April 12, 2026
Don't let your Python scripts crash due to RAM overflow. Discover how to use Generators and Iterators to process millions of records smoothly with just a few KB of memory through real-world experience.
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Posted inMonitoring

Mastering MySQL & PostgreSQL with Prometheus Exporter: Ending the ‘Guessing Game’ of Slow Queries

Posted by By admin April 12, 2026
Don't let your database become a 'black box'. A detailed guide on using Prometheus Exporter to identify slow queries, handle replication lag, and optimize DB performance based on real-world experience.
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Linux tutorial - IT technology blog
Posted inLinux

Hunting Down and Eliminating Zombie Processes: When Linux Servers Are Besieged by the Undead

Posted by By admin April 12, 2026
Zombie processes don't consume RAM but can exhaust PIDs, paralyzing your Linux server. Discover how to track down PPIDs and eliminate these 'undead' processes based on real-world experience.
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Security tutorial - IT technology blog
Posted inSecurity

CSP for Nginx & Apache: A Powerful ‘Shield’ Against XSS for Your Website

Posted by By admin April 12, 2026
Configuring Content Security Policy (CSP) is a vital step in protecting your website from XSS. Check out this detailed guide for Nginx and Apache to help your site achieve an A+ security rating.
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