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Preventing BadUSB on Linux with USBGuard: Don’t Let Physical Ports Be Your Achilles’ Heel

By admin May 11, 2026

Secure your Linux system against BadUSB using USBGuard. A detailed guide on setting up peripheral whitelists, creating security policies, and monitoring USB ports for SysAdmins.

Network

Setting up a Virtual LAN with ZeroTier: Connect Servers and PCs Remotely Without Port Forwarding

By admin May 11, 2026

Connecting servers and PCs remotely has never been easier thanks to ZeroTier. Create a global virtual LAN without port forwarding or static IPs. Detailed guide on installation and P2P optimization.

Development

TanStack Query: Master Server State Management and Caching for React Devs

By admin May 11, 2026

Server State management is no longer a headache with TanStack Query. Discover smart Caching, automatic data syncing, and Optimistic Updates to level up your React apps.

Network

Installing SmokePing on Linux: How to Diagnose Network Jitter and Latency 24/7

By admin May 11, 2026

Network slow but ping looks fine? Install SmokePing on Linux to track latency, jitter, and packet loss 24/7. A practical guide to detailed configuration.

Centos

Mastering Performance Co-Pilot (PCP): The ‘Black Box’ for Monitoring CentOS Stream 9

By admin May 11, 2026

Don't let system issues remain a mystery. This guide helps you install and use Performance Co-Pilot (PCP) on CentOS Stream 9 for deep monitoring and historical data tracing.

Git

How to Package Code Changes with git diff and git archive for Incremental Deployment

By admin May 11, 2026

Learn how to combine git diff and git archive to precisely package changed files. This method optimizes deployment speed for large projects using incremental strategies.

Artificial Intelligence tutorial - IT technology blog

Installing AnythingLLM on Ubuntu: Build Your Own Ultra-Secure Local AI Knowledge Base

By admin May 11, 2026

Build a secure internal RAG system with AnythingLLM on Ubuntu. Learn how to install via Docker, connect Ollama, and optimize your local AI knowledge base for absolute data privacy.

Network

Building a Professional Network Lab with GNS3 on Ubuntu: Maximum Performance, Real-world Experience

By admin May 10, 2026

Don't let Windows VMs slow down your networking studies. Learn how to install GNS3 directly on Ubuntu, optimizing KVM and Docker for a high-performance professional network lab.

Git

Git Reset vs Git Revert: Safe Ways to “U-Turn” for Developers

By admin May 10, 2026

Accidentally committed buggy code? Don't panic. This guide explains how to differentiate between Git Reset and Git Revert to fix mistakes without disrupting your team.

Docling: Breaking the PDF ‘Curse’ for RAG Systems – From Messy Data to Clean Markdown

By admin May 10, 2026

Complex PDF processing is often the biggest bottleneck in RAG. Discover how IBM's Docling uses AI to understand layouts and convert PDFs into accurate Markdown, helping LLMs understand data deeply and provide smarter answers.

Advanced Docker Swarm: Rolling Updates, Placement Constraints, and Zero-Downtime Deployments

Hot Add CPU and RAM on VMware vSphere: Upgrade Virtual Machine Resources Without Rebooting

Docker-in-Docker (DinD) vs Docker-out-of-Docker (DooD): A Practical CI/CD Runner Setup Guide

Mastering /proc and /sys: Inspecting Linux Internals Without Third-Party Tools

Mastering DeepSeek-R1 on Linux: Optimizing “Home-Grown” Reasoning AI for Peak Performance

Dockerize WordPress: Accelerate Your MariaDB and Redis Cache Stack for Production

Automating File Monitoring with Python Watchdog: Stop Polling and Start Listening

Grafana Pyroscope: Hunting Down CPU and RAM “Hogs” Directly on Production

Mastering VMware Host Profiles: The Ultimate Way to Standardize ESXi Cluster Configurations

Varnish + Nginx: The Ultimate Lifesaver for High-Traffic Websites on Ubuntu

Preventing BadUSB on Linux with USBGuard: Don’t Let Physical Ports Be Your Achilles’ Heel

Setting up a Virtual LAN with ZeroTier: Connect Servers and PCs Remotely Without Port Forwarding

TanStack Query: Master Server State Management and Caching for React Devs

Installing SmokePing on Linux: How to Diagnose Network Jitter and Latency 24/7

Mastering Performance Co-Pilot (PCP): The ‘Black Box’ for Monitoring CentOS Stream 9

How to Package Code Changes with git diff and git archive for Incremental Deployment

Installing AnythingLLM on Ubuntu: Build Your Own Ultra-Secure Local AI Knowledge Base

Building a Professional Network Lab with GNS3 on Ubuntu: Maximum Performance, Real-world Experience

Git Reset vs Git Revert: Safe Ways to “U-Turn” for Developers

Docling: Breaking the PDF ‘Curse’ for RAG Systems – From Messy Data to Clean Markdown