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MySQL Point-in-Time Recovery (PITR): Restore Your Database to Any Second with Binary Log

By admin April 2, 2026

A hands-on guide to MySQL Point-in-Time Recovery (PITR) using Binary Log — restore your database to the exact second before an accidental DELETE or corruption event. Covers locating the binlog position, restoring from backup, replaying transactions, and skipping bad statements.

VMware

How to Install VMware ESXi 8 for Free on a Physical Server and Create Your First VM

By admin April 2, 2026

A step-by-step guide to installing VMware ESXi 8 for free on a physical server: hardware prep, creating a bootable USB, BIOS configuration, and creating your first VM through the web UI — with practical tips from real-world experience.

Fedora

Fedora Server: Professional Python Deployment with Gunicorn and Nginx

By admin April 1, 2026

Don't let 502 Bad Gateway errors stop you. A guide to deploying Python on Fedora with Gunicorn, Nginx, and precise SELinux configuration based on real-world experience.

Centos

Configuring GlusterFS on CentOS Stream 9: Building a Fault-Tolerant Data Storage ‘Fortress’

By admin April 1, 2026

A detailed guide on installing GlusterFS on CentOS Stream 9. This article shares practical experience in configuring Replicated Volumes, optimizing Firewall settings, and handling split-brain issues to ensure data safety.

Network

Configuring VPN Clients on Linux: Battle-Tested Experience with WireGuard, OpenVPN, and IPsec

By admin April 1, 2026

A hands-on guide to configuring WireGuard, OpenVPN, and IPsec on Linux. Learn how to troubleshoot routing, DNS, and MTU issues from a system administrator's perspective.

Git

Git Sparse Checkout: The Ultimate Trick for Handling Gigabyte-Scale Monorepos

By admin April 1, 2026

Stop waiting for GB-sized Monorepo clones. Learn to use Git Sparse Checkout to download only the folders you need, saving space and speeding up your workflow.

Python

Building ‘Blazing Fast’ APIs with FastAPI and Pydantic: From Zero to Production

By admin April 1, 2026

Building high-performance Python APIs is easy with FastAPI and Pydantic. This detailed guide covers setup, data validation, and expert async/await optimization.

Security

Nginx Limit Request: A Shield Against ‘Guerrilla’ DDoS and Effective Traffic Throttling

By admin April 1, 2026

Nginx Limit Request is an effective weapon against Layer 7 DDoS and spam bots. This guide covers detailed configurations for burst and nodelay, plus real-world traffic management tips.

Linux

Linux SWAP Configuration Guide: A “Spare Tire” for Low-RAM Servers

By admin April 1, 2026

Don't let your server crash due to RAM exhaustion. A detailed guide on creating a Linux Swap File, optimizing swappiness, and practical tips for maintaining system stability under heavy load.

Deploying MySQL 8 on Fedora Server: Production Configuration Guide and SELinux Troubleshooting

Vagrant + KVM/Libvirt: How to Double Your VM Speed on Linux

Gitolite: Ultra-lightweight Git Server Management for 1GB RAM VPS

MongoDB + Python: From Basic CRUD to Advanced Aggregation with PyMongo

Guide to Using git-sizer: “Rescuing” Bloated and Sluggish Git Repositories

Process Python Data Like a Pro with Counter, defaultdict, and deque

VMware vSphere NIOC Configuration Guide: Eliminating Noisy Neighbors and Optimizing Bandwidth

Deploying Metabase with Docker: A Self-Service BI Solution to Replace Manual Data Extraction

Packaging Linux Applications: A Complete Guide to flatpak-builder on Fedora

MySQL 9.0 and VECTOR: Embedding Storage Solution for AI Apps Without a Secondary DB

MySQL Point-in-Time Recovery (PITR): Restore Your Database to Any Second with Binary Log

How to Install VMware ESXi 8 for Free on a Physical Server and Create Your First VM

Fedora Server: Professional Python Deployment with Gunicorn and Nginx

Configuring GlusterFS on CentOS Stream 9: Building a Fault-Tolerant Data Storage ‘Fortress’

Configuring VPN Clients on Linux: Battle-Tested Experience with WireGuard, OpenVPN, and IPsec

Git Sparse Checkout: The Ultimate Trick for Handling Gigabyte-Scale Monorepos

Building ‘Blazing Fast’ APIs with FastAPI and Pydantic: From Zero to Production

Nginx Limit Request: A Shield Against ‘Guerrilla’ DDoS and Effective Traffic Throttling

Linux SWAP Configuration Guide: A “Spare Tire” for Low-RAM Servers