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Speed Up Fedora with DNF5: The Ultra-Fast and Lightweight C++ Package Manager

By admin May 31, 2026

DNF5 is a significant speed boost for Fedora, offering faster package management and substantial RAM savings thanks to its C++ rewrite. This article shares real-world experiences and optimized commands for developers after six months of use.

Linux

Linux Process Management with Supervisord: Keep Your Apps “Alive” After Crashes

By admin May 31, 2026

Learn to use Supervisord to auto-restart apps, centralize logs, and run dozens of workers simultaneously on Linux. The ultimate solution for server stability.

Linux

stress-ng: The “Heavyweight” Test for Linux Server Stability

By admin May 30, 2026

A comprehensive guide to using stress-ng for CPU, RAM, and Disk stress testing on Linux. Discover tips for verifying server stability and detecting hidden bugs before deployment.

Virtualization

QEMU ARM64 Emulation on Linux: Running Raspberry Pi OS and Android for IoT Development

By admin May 29, 2026

A practical guide to installing QEMU and emulating ARM64 on Linux to run Raspberry Pi OS and Android without real hardware. Covers real-world IoT development workflows: cross-compilation, Docker buildx for ARM64, snapshots, and shared folders.

Network

Layer 4 Load Balancing at Hardware Limits: Deploying IPVS and ipvsadm on Linux

By admin May 29, 2026

Facing Load Balancer bottlenecks under high traffic? Learn to deploy IPVS (IP Virtual Server) on Linux for high-performance Layer 4 load balancing handling millions of packets per second.

Linux

Pinning Processes to CPU Cores: How to Use taskset and numactl to Maximize Linux Performance

By admin May 28, 2026

A guide on using taskset and numactl to pin processes to CPU cores on Linux. Reduce latency, optimize cache locality, and boost performance for heavy applications.

MySQL

MySQL 8 Resource Groups: Don’t Let a “Heavy” Query Crash Your Entire Production System

By admin May 27, 2026

Learn how to use Resource Groups in MySQL 8 to isolate CPU for heavy queries, protecting your production system from server hangs and optimizing user latency.

Linux

Managing Dotfiles with GNU Stow: Don’t Let Reinstalling Your System Be a Nightmare

By admin May 26, 2026

Reinstalling Linux is no longer a nightmare. Discover how to use GNU Stow for professional Dotfiles management, syncing your configurations via Git in just one minute.

Artificial Intelligence tutorial - IT technology blog

Build Your Own Lightweight Offline TTS System on Linux with Piper and Python

By admin May 26, 2026

Say goodbye to thousand-dollar Cloud TTS bills. Discover how to deploy Piper on Linux for a high-speed, secure, and self-hosted text-to-speech system that runs smoothly even on a Raspberry Pi.

Network

How to Deploy a Mesh VPN with Nebula: Securely Connect Thousands of Servers from Slack

By admin May 25, 2026

Nebula is an open-source mesh VPN from Slack that enables peer-to-peer connections between thousands of servers without a relay, encrypted via the Noise Protocol. This guide covers installation, lighthouse configuration, group-based access control, and real-world connectivity testing on Linux.