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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.

MySQL

Secure phpMyAdmin Installation on Linux: Authentication, IP Restrictions, and Nginx Reverse Proxy

By admin July 8, 2026

A practical guide to installing and securing phpMyAdmin on Linux: combining HTTP Basic Auth, IP whitelisting, and deployment behind an Nginx Reverse Proxy. Includes fail2ban and rate limiting configuration to prevent brute-force attacks.

Linux

Writing udev Rules on Linux: Fixed Network Interface Names and Auto-triggering Scripts on USB Plug-in

By admin July 8, 2026

udev rules give you control over how Linux names hardware devices — from network interfaces to USB serial ports. This guide covers writing practical rules to assign fixed interface names by MAC address, create persistent symlinks for USB devices, and auto-run scripts when a device is plugged in.

Linux

A Practical Guide to jq on Linux: Filtering and Processing JSON from APIs in the Terminal

By admin July 8, 2026

When you're debugging production at 2 AM staring at an unreadable wall of JSON in your logs, jq saves you more time than any other approach. This guide compares jq against grep and Python for handling JSON in the terminal, covering everything from basic syntax to filtering Docker containers and Kubernetes API responses in practice.

Git

tig Guide: A Visual Terminal UI for Git to Browse Commits, Stage Line by Line, and Fix Merge Conflicts

By admin July 7, 2026

tig is a Terminal UI for Git that lets you browse commit history, stage individual lines of changes, and resolve merge conflicts visually — all without leaving the terminal. A guide to installation, essential keyboard shortcuts, and a practical workflow for integrating tig into your daily development routine.