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Mosh Guide: Maintain Stable Terminal Connections Even During Network Drops or IP Changes

By admin July 19, 2026

Mosh is a lifesaver for tech professionals dealing with laggy networks or IP changes. Learn how to install and use Mosh with Tmux for persistent Terminal sessions.

Artificial Intelligence tutorial - IT technology blog

Mastering MergeKit: The Ultimate Trick to ‘Mix’ LLM Models Without Heavy GPUs

By admin July 18, 2026

A detailed guide on using MergeKit to merge LLM models on Linux. Save on GPU costs and optimize AI performance using SLERP, TIES, and DARE algorithms.

How to Install and Use OpenHands: The AI Agent for Automated Coding on Linux

By admin July 17, 2026

A step-by-step guide to installing and using OpenHands (OpenDevin) on Linux to automate code writing, bug fixing, and programming task execution via Docker and LLM.

Docker

nsenter: The Network Debugging “Lifesaver” for Lightweight Docker Containers (Distroless/Alpine)

By admin July 17, 2026

Stop rebuilding Docker images just to install curl or ping. Use nsenter to directly access the Network Namespace and debug like a pro.

Virtualization

Deploying NVMe-over-Fabrics (NVMe-oF) on Linux: High-Speed Network Storage Setup and Optimization for KVM

By admin July 14, 2026

A practical guide to deploying NVMe-over-Fabrics (NVMe-oF) over TCP on Linux — from a basic 5-minute setup to performance tuning and KVM infrastructure integration. Covers target and initiator configuration, persistent config, and benchmarking to verify results.

Docker

Configuring IPv6 for Docker Containers: A Step-by-Step Dual-Stack Guide

By admin July 13, 2026

A guide to configuring IPv6 for Docker containers, from enabling daemon.json to creating dual-stack networks in Docker Compose. Covers IP range management, exposing containers externally via IPv6, and practical debugging tips for developers.

Linux

eza, bat, and fd-find on Linux: The Modern Trio Replacing ls, cat, and find

By admin July 13, 2026

eza, bat, and fd-find are three modern Rust tools that replace ls, cat, and find on Linux with syntax highlighting, integrated git status, and simpler syntax. This guide covers installation and real-world usage with specific command examples for both Ubuntu/Debian and CentOS/RHEL.

Centos

Deploying Ansible on CentOS Stream 9: Automate Linux Server Management Without Installing Agents

By admin July 10, 2026

A guide to deploying Ansible on CentOS Stream 9 to automate configuration and manage multiple Linux servers simultaneously. Ansible works over SSH — no agent installation, no extra ports — suitable for both beginners and operations teams.

Linux

Linux Filesystem Comparison: ext4, XFS, Btrfs, and F2FS — Choosing the Right One for Each Server Scenario

By admin July 10, 2026

A detailed comparison of four popular Linux filesystems — ext4, XFS, Btrfs, and F2FS — covering performance, key features, and real-world use cases. A practical guide to choosing the right filesystem for each server type: database, storage, general purpose, and flash storage devices.

Network

Configuring NAT64 and DNS64 on Linux with Tayga and BIND9: Connecting IPv6-Only Servers to Legacy IPv4 Services

By admin July 8, 2026

A hands-on guide to configuring NAT64 with Tayga and DNS64 with BIND9 on Linux, enabling IPv6-only servers to connect to legacy IPv4-only services without extra IPv4 addresses or application code changes. Based on six months of real production experience.