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Supercharge Website Speed with Varnish Cache and Nginx on CentOS Stream 9

By admin April 4, 2026

Learn how to deploy Varnish Cache with Nginx on CentOS Stream 9 to reduce server load and boost website speed. Detailed guide based on real-world system admin experience.

Docker

Docker Log Management: Prevent Your Disk from Filling Up with Massive Log Files

By admin April 4, 2026

Don't let Docker log files crash your server. Learn how to configure Log Rotation, use log commands efficiently, and deploy centralized log management systems like Loki and ELK.

Ubuntu

Save Ubuntu in a Snap with Timeshift: A Guide to Creating Automatic Restore Points

By admin April 4, 2026

Forget the fear of reinstalling Ubuntu. Learn how to use Timeshift to create automatic system restore points, allowing you to rollback driver errors or misconfigurations in an instant.

Linux

Mastering lshw, dmidecode, and hwinfo: A Deep Dive into Linux Hardware

By admin April 4, 2026

A guide to using lshw, dmidecode, and hwinfo to check detailed CPU, RAM, storage, and Serial Numbers on Linux. Essential tips for SysAdmins to master server hardware.

Artificial Intelligence tutorial - IT technology blog

Is ChatGPT “Swallowing” Your Source Code? How to Build a Secure Proxy Layer for Devs

By admin April 3, 2026

Data leaks via ChatGPT are a major concern for developers. This article shares how to build a Python PII Scrubber and security strategies to leverage AI without risking your source code.

Docker

Deploying Sidecar Containers: Automating Docker Volume Backups to S3 and Google Drive

By admin April 3, 2026

A detailed guide on deploying Sidecar Containers to automatically back up Docker Volumes to Amazon S3 and Google Drive. A secure, isolated, and manageable solution for production environments.

Python

Python Profiling: Pro Tips for Troubleshooting Slow Code with cProfile and Py-Spy

By admin April 3, 2026

Stop guessing why your Python code is slow. This guide shows you how to use cProfile and Py-Spy to pinpoint bottlenecks and optimize performance based on real-world experience.

Docker

Docker Context Guide: Managing Multiple Remote Servers via SSH

By admin April 3, 2026

A detailed guide on using Docker Context to manage multiple remote Docker Engines via SSH. A secure alternative to exposing risky Docker API ports.

Network

Mastering Traffic Control (tc): Bandwidth Limiting and Traffic Prioritization on Linux

By admin April 3, 2026

Don't let a backup script crash your Web Service. Learn how to use tc (Traffic Control) to limit bandwidth, prioritize SSH/Web traffic, and optimize Linux network performance.

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

Supercharge Website Speed with Varnish Cache and Nginx on CentOS Stream 9

Docker Log Management: Prevent Your Disk from Filling Up with Massive Log Files

Save Ubuntu in a Snap with Timeshift: A Guide to Creating Automatic Restore Points

Mastering lshw, dmidecode, and hwinfo: A Deep Dive into Linux Hardware

Is ChatGPT “Swallowing” Your Source Code? How to Build a Secure Proxy Layer for Devs

Deploying Sidecar Containers: Automating Docker Volume Backups to S3 and Google Drive

Python Profiling: Pro Tips for Troubleshooting Slow Code with cProfile and Py-Spy

Docker Context Guide: Managing Multiple Remote Servers via SSH

Mastering Traffic Control (tc): Bandwidth Limiting and Traffic Prioritization on Linux