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Nginx Reverse Proxy on CentOS Stream 9: From Load Balancing to SSL Let’s Encrypt

By admin May 4, 2026

A deep dive into setting up Nginx as a Reverse Proxy on CentOS Stream 9. Detailed guides on Load Balancing, SSL Termination, and fixing 502 errors caused by SELinux.

VMware

Mastering OVF Tool: A Faster and More Stable VMware VM Migration Solution than GUI

By admin May 4, 2026

Say goodbye to browser-based VM upload errors. Discover how to use OVF Tool for fast, stable VMware VM exports and imports, including expert automation scripts.

Virtualization

Splitting GPUs with NVIDIA vGPU on Proxmox: Resource Optimization for Homelab and AI

By admin May 4, 2026

A detailed guide on setting up NVIDIA vGPU on Proxmox VE to partition GPU power for multiple virtual machines. An ideal solution for AI/ML and VDI to save on hardware costs.

Linux

GNU Parallel: Speed Up Linux Task Processing by 10x

By admin May 4, 2026

Learn how to use GNU Parallel to leverage the full power of multi-core CPUs on Linux. A detailed guide on processing files, parsing logs, and automating tasks 10x faster.

Git

Git Blame & Git Log -L: A “Time Machine” to Peer Into Every Line of Code’s History

By admin May 4, 2026

Master Git Blame and Git Log -L to deeply understand the context of changes on every line. These techniques help developers debug faster and avoid regressions in real-world projects.

MySQL

MySQL Router: The ‘Gatekeeper’ Enabling Automatic Failover and Fault Tolerance for InnoDB Clusters

By admin May 4, 2026

Don't let your database become a single point of failure. This guide covers how to set up MySQL Router to automate routing and failover for production InnoDB Clusters.

Docker

HTTPS for Local Docker: Setting Up a Pro “Green Padlock” with mkcert and Nginx

By admin May 4, 2026

How to configure HTTPS for Local Docker using mkcert and Nginx. Get a "green padlock" for virtual domains and test OAuth2 and Webhooks seamlessly.

Database

Deploying Patroni: The ‘Sleep Better’ Solution for PostgreSQL Administrators

By admin May 3, 2026

Database outages in the middle of the night are no longer a concern. A detailed guide on deploying Patroni to automate PostgreSQL Failover and ensure 24/7 availability.

Fedora

Preventing Brute-force Attacks on Fedora Server with Fail2ban: Don’t Leave SSH Doors Wide Open

By admin May 3, 2026

Don't let your Fedora Server crash due to brute-force attacks. Check out this guide to configuring Fail2ban to automatically block malicious IPs and secure SSH.

Linux

Slow Linux Boot? Use systemd-analyze to Trace and Optimize Immediately

By admin May 3, 2026

Don't let your Linux server boot slowly. Learn how to use systemd-analyze to track down bottlenecks and effectively optimize boot time in just a few steps.

Biome: Say Goodbye to the ESLint and Prettier ‘Maze’ to Speed Up Your Projects by 25x

Optimize Proxmox VE in 5 Minutes with Helper Scripts: Remove Subscription Nag and Configure Standard Repos

Automating Ubuntu Server Hardening to CIS Benchmarks Standards with USG

Why I Ditched Requests for Httpx: A Guide to Async HTTP Client and HTTP/2 for Python

Mount and Edit qcow2, vmdk Files Directly on Linux Using NBD: Fast, Simple, No VM Boot Required

Mastering Type Checking in Python with Mypy: Stop TypeErrors Before Deployment

Installing SoftEther VPN on Linux: A Powerful ‘All-in-One’ VPN Solution

Professional NVIDIA GPU Monitoring with Prometheus & DCGM Exporter: Don’t wait for a ‘burnout’ to fix it

Circuit Breaker in Node.js with Opossum: Don’t Let One Failing Service Bring Down the Whole System

Using Vision LLM to Convert Architecture Diagrams to Terraform: From Sketch to Source Code in 30 Seconds

Nginx Reverse Proxy on CentOS Stream 9: From Load Balancing to SSL Let’s Encrypt

Mastering OVF Tool: A Faster and More Stable VMware VM Migration Solution than GUI

Splitting GPUs with NVIDIA vGPU on Proxmox: Resource Optimization for Homelab and AI

GNU Parallel: Speed Up Linux Task Processing by 10x

Git Blame & Git Log -L: A “Time Machine” to Peer Into Every Line of Code’s History

MySQL Router: The ‘Gatekeeper’ Enabling Automatic Failover and Fault Tolerance for InnoDB Clusters

HTTPS for Local Docker: Setting Up a Pro “Green Padlock” with mkcert and Nginx

Deploying Patroni: The ‘Sleep Better’ Solution for PostgreSQL Administrators

Preventing Brute-force Attacks on Fedora Server with Fail2ban: Don’t Leave SSH Doors Wide Open

Slow Linux Boot? Use systemd-analyze to Trace and Optimize Immediately