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MySQL tutorial - IT technology blog
Enable MySQL Slow Query Log and Use pt-query-digest to Find Database Bottlenecks
October 24, 2026
MetaGPT with Python Guide: Automate Software Development with Multi-Agent Systems
October 24, 2026
Virtualization tutorial - IT technology blog
Configuring SR-IOV on KVM/Proxmox: Share 10GbE NICs with Near Bare-Metal Performance
October 24, 2026
Docker Autoheal Guide: Automatically Restart Unhealthy Containers
October 24, 2026
Python tutorial - IT technology blog
APScheduler in Python: Production-Ready Background Job Scheduling for Backend
October 24, 2026
VMware tutorial - IT technology blog
How to Reclaim Storage Space (Space Reclamation / UNMAP) on VMware ESXi
October 24, 2026
Security tutorial - IT technology blog
How to Use Bitnami Sealed Secrets on Kubernetes: Secure GitOps Secrets Management
October 24, 2026
Monitoring Argo CD Application Sync and Health Status with Prometheus and Grafana
October 23, 2026
Artificial Intelligence tutorial - IT technology blog
Installing and Using Portkey AI Gateway: Rate Limiting, Load Balancing, and Multi-LLM Observability
October 23, 2026
Linux tutorial - IT technology blog
How to Install and Configure nftables on Linux: A Complete iptables Replacement
October 23, 2026
Ubuntu tutorial - IT technology blog
Posted inUbuntu

Optimizing Ubuntu Desktop for Gaming: A Guide to Boosting FPS and Running Windows Games Smoothly

Posted by By IT From Zero August 10, 2026
A detailed guide on optimizing Ubuntu for smooth gaming. Learn how to update Mesa Drivers, install GameMode, and use Proton GE to achieve the highest FPS for Windows games on Linux.
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Network tutorial - IT technology blog
Posted inNetwork

Goodbye Bind9: A Guide to Installing PowerDNS and PowerDNS-Admin for Web UI Management

Posted by By IT From Zero August 10, 2026
Upgrade your DNS management with PowerDNS and PowerDNS-Admin. A detailed guide on installing and configuring MariaDB and Docker to replace traditional Bind9.
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Virtualization tutorial - IT technology blog
Posted inVirtualization

Site-to-Site VPN Between Two Proxmox VE Clusters via WireGuard: Fast, Lightweight, and Rock-Solid

Posted by By IT From Zero August 10, 2026
Forget OpenVPN! A detailed guide on setting up Site-to-Site VPN for Proxmox VE using WireGuard to achieve maximum speed and minimum latency.
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Git tutorial - IT technology blog
Posted inGit

Manage Bugs Directly in the Terminal with git-bug: Fast, Lightweight, and Secure

Posted by By IT From Zero August 10, 2026
Bug management has never been this fast. Learn how to use git-bug to track issues directly in the Terminal, with offline support and absolute security.
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Python tutorial - IT technology blog
Posted inPython

MicroPython on ESP32: “Lightning-Fast” IoT Programming for Software Developers

Posted by By IT From Zero August 10, 2026
Learn how to master the ESP32 using MicroPython. A guide from flashing firmware to building a real-time temperature monitoring Web Server for software developers.
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Python tutorial - IT technology blog
Posted inPython

Upgrade Your Python CLI with Questionary: Stop Your Scripts from Crashing Due to User Input Errors

Posted by By IT From Zero August 10, 2026
Instead of using the crash-prone input() function, use Questionary to create professional Python CLI interfaces with powerful menus, checkboxes, and data validation.
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Fedora tutorial - IT technology blog
Posted inFedora

Mastering systemd-oomd on Fedora: Rescuing Your PC from RAM-Related Freezes

Posted by By IT From Zero August 10, 2026
No more system freezes on Fedora by mastering systemd-oomd. A detailed guide on configuring PSI, Swap limits, and protecting critical apps during RAM exhaustion.
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Security tutorial - IT technology blog
Posted inSecurity

Mastering Cilium Tetragon: Monitoring and Blocking Runtime Attacks with eBPF

Posted by By IT From Zero August 9, 2026
A detailed guide on using Cilium Tetragon for monitoring and securing Linux Runtime based on eBPF technology. This article shares quick installation steps, how to write TracingPolicy, and real-world experience to protect servers from attacks.
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Monitoring tutorial - IT technology blog
Posted inMonitoring

Beszel Installation Guide: Monitor Dozens of Servers with Just 15MB of RAM

Posted by By IT From Zero August 9, 2026
Install Beszel - a lightweight multi-server monitoring solution with Docker Stats support. A perfect replacement for Netdata and Zabbix with minimal RAM usage.
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Development tutorial - IT technology blog
Posted inDevelopment

Goodbye ‘Ancient’ Swagger UI: A Guide to Integrating Scalar into Node.js Projects

Posted by By IT From Zero August 9, 2026
Forget Swagger UI; Scalar is the real deal for your Node.js projects. Modern interface, built-in API client, and lightning-fast search.
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