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Turning Linux into a Database: Querying and Security Monitoring with osquery

By admin April 21, 2026

Stop struggling with Bash scripts. Learn how to use osquery to query the Linux operating system using SQL, making security monitoring and infrastructure management 10x more efficient.

MySQL

MySQL 8 CTE: A Professional Solution for Hierarchical Data and Recursive Queries

By admin April 21, 2026

A detailed guide on using CTE and Recursive CTE in MySQL 8 to efficiently handle hierarchical data, replace complex Self-joins, and optimize query performance.

Git

Mastering LF/CRLF Issues and Binary File Management with .gitattributes

By admin April 21, 2026

Don't let LF/CRLF line ending errors ruin your commit logs. Here's a guide to configuring .gitattributes to sync Windows and macOS environments while protecting binary files.

Ubuntu

Forgot Your Ubuntu Password? How to Reset via GRUB & Recovery Mode in 5 Minutes

By admin April 21, 2026

Forgetting your Ubuntu password is no longer a disaster. Here is a detailed guide on 2 ways to reset your password via GRUB and Recovery Mode, helping you regain control of your server in under 5 minutes.

VMware

Goodbye Patching Stress: Mastering vSphere Lifecycle Manager (vLCM) in Practice

By admin April 21, 2026

Forget risky manual ESXi updates. Discover how to use vSphere Lifecycle Manager (vLCM) to automate patching and ensure consistent driver and firmware management across VMware Clusters.

Database

Is Your PostgreSQL Disk Bloating? Pro Tips to Fix Bloat and Optimize Autovacuum

By admin April 21, 2026

PostgreSQL disk full due to Database Bloat? Learn how to optimize Autovacuum, use pg_repack, and REINDEX CONCURRENTLY to free up space without downtime.

Centos

OpenSCAP: The Automation ‘Weapon’ for PCI-DSS Security Audits on CentOS for DevOps

By admin April 21, 2026

Don't let security audits become a nightmare. Discover how to use OpenSCAP to automate vulnerability scanning and PCI-DSS compliance on CentOS/RHEL based on real-world DevOps experience.

Network

Mastering Policy-Based Routing (PBR) on Linux: Route Traffic Like a Pro

By admin April 20, 2026

Don't let backup traffic clog your main connection. A detailed guide on using Policy-Based Routing (PBR) on Linux to intelligently route traffic based on source IP and Port.

Ubuntu

i3wm on Ubuntu: Transform Your Laptop into the Ultimate Coding Machine for Developers

By admin April 20, 2026

A detailed guide on installing and configuring i3wm on Ubuntu for developers. This article shares practical tips to optimize your workspace, boost coding efficiency, and save system resources.

Netdisco: Effortless Network Topology Automation and Switch Port Management

Snapshot Testing with Pytest-snapshot: Stop Struggling with Manual Assertions

Say Goodbye to Passwords: Implementing Magic Links with Node.js and Nodemailer

Securing Python Source Code with PyArmor: Effectively Preventing Reverse Engineering and Protecting Intellectual Property

Feature-Sliced Design (FSD): A ‘Divide and Conquer’ Solution for Large-Scale React Projects

Building Professional CLIs with Node.js and Oclif: From Fragmented Scripts to Standardized Tools

Implementing Circuit Breaker in Python: Don’t Let a Faulty API Crash Your Entire System

Deploying FastNetMon: A Lightweight DDoS Detection Solution via NetFlow/sFlow

3 Pro GraphQL Security Tips: Don’t Hand Hackers the Keys to Your Kingdom

Securing Sudo with 2FA: The Final Defense Against Root Hijacking

Turning Linux into a Database: Querying and Security Monitoring with osquery

MySQL 8 CTE: A Professional Solution for Hierarchical Data and Recursive Queries

Mastering LF/CRLF Issues and Binary File Management with .gitattributes

Forgot Your Ubuntu Password? How to Reset via GRUB & Recovery Mode in 5 Minutes

Goodbye Patching Stress: Mastering vSphere Lifecycle Manager (vLCM) in Practice

Is Your PostgreSQL Disk Bloating? Pro Tips to Fix Bloat and Optimize Autovacuum

OpenSCAP: The Automation ‘Weapon’ for PCI-DSS Security Audits on CentOS for DevOps

Mastering Policy-Based Routing (PBR) on Linux: Route Traffic Like a Pro

i3wm on Ubuntu: Transform Your Laptop into the Ultimate Coding Machine for Developers