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Speed Up Fedora Updates: Building a Local DNF Mirror to Save Bandwidth and Time

By admin August 10, 2026

A detailed guide on building a Local DNF Mirror for Fedora to speed up package updates and save international bandwidth. The perfect solution for multi-server Lab systems.

Ubuntu

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

By admin 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.

Network

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

By admin 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.

Virtualization

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

By admin 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.

Git

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

By admin 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.

Python

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

By admin 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.

Python

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

By admin 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.

Fedora

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

By admin 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.

Security

Mastering Cilium Tetragon: Monitoring and Blocking Runtime Attacks with eBPF

By admin 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.

Monitoring

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

By admin 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.