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TimescaleDB: A Lifesaver for PostgreSQL When IoT Data Explodes

By admin April 18, 2026

Don't let PostgreSQL get bogged down by billions of IoT records. Discover how TimescaleDB optimizes performance with hypertables, 90% data compression, and 40x faster dashboards.

Network

Port Knocking: How to Hide SSH Ports and Make Your Linux Server Invisible to Botnets

By admin April 18, 2026

Port Knocking is a security technique that completely hides SSH ports from port scanners. Learn how to install knockd on Linux to protect your server from brute-force attacks.

MySQL

MySQL Deadlock: From a 2 AM Nightmare to a Definitive Resolution Guide

By admin April 18, 2026

MySQL deadlocks aren't scary if you know how to read InnoDB Status logs. Discover 5 practical techniques to reduce transaction conflicts by 80% and optimize high-load systems.

Fedora

Fedora + TPM 2.0: Unlock LUKS Automatically for Lightning-Fast Booting Without Sacrificing Security

By admin April 18, 2026

Stop typing long LUKS passwords every time you boot. Here's a detailed guide on using TPM 2.0 to unlock Fedora automatically, safely, and professionally.

Artificial Intelligence tutorial - IT technology blog

Automating ‘Log Peeking’: Lightning-Fast Error Analysis and Summarization with DeepSeek and Python

By admin April 18, 2026

Learn how to build a Python script to automatically analyze error logs using the DeepSeek API. A practical solution to help DevOps summarize incidents and find root causes in seconds.

Docker

Cleaning Up Your Dockerfile with Hadolint: Stop Bloated and Insecure Images

By admin April 18, 2026

Are your Dockerfiles heavy and insecure? Use Hadolint to automate Best Practice checks. This guide covers image optimization, security patching, and CI/CD integration.

Monitoring

Website Uptime Monitoring with Uptime Kuma: Stop Worrying About Midnight Server Crashes

By admin April 18, 2026

Stop manual website checks. Learn how to install Uptime Kuma with Docker to monitor uptime, automate SSL checks, and receive Telegram alerts the moment your server goes down.

Centos

The Secret to Server ‘Immortality’: Configuring HA Clusters with Pacemaker and Corosync

By admin April 17, 2026

Learn how to build a High Availability (HA) Cluster with Pacemaker and Corosync on CentOS/Rocky Linux. A detailed guide from installation and Virtual IP configuration to handling Split-brain errors.

Development

Web Dev on Windows: Say Goodbye to Dual Boot with WSL2 and Docker

By admin April 17, 2026

Windows is no longer a hurdle for web developers. Discover how to combine WSL2, Ubuntu, and Docker to create a lightning-fast, stable, and professional development environment.

Ubuntu

Deep Cleaning Ubuntu: Purge Junk, Old Kernels, and Free Up GBs of Space

By admin April 17, 2026

A detailed guide on deep cleaning Ubuntu: remove orphaned packages, purge old kernels, and limit system logs to quickly reclaim GBs of space for your VPS.

Repository Rescue: Mastering git fsck to Recover Code and Fix Data Errors

Optimize Windows Virtual Machines to Run ‘Silky Smooth’ with VMware OS Optimization Tool (OSOT)

Installing Pyrra: Managing SLOs and Alerts the Google SRE Way

Installing Woodpecker CI on Fedora Server: A Lightweight CI/CD Solution for Gitea

Configuring Docker daemon.json: Prevent Disk Full Errors and Production Server Crashes

Python lxml: The ‘Heavy Weapon’ for Processing XML/HTML in Legacy Systems

Mastering NetworkManager Dispatcher: Automate ‘Everything’ When Changing Networks on Linux

Configuring DNS Split-Horizon with BIND9: The IP “Splitting” Trick for LAN and Internet

Building Background Jobs for Next.js: Say Goodbye to Redis, Welcome Inngest

mysqlslap: How I “Torture” MySQL to Find Real-World Load Limits

TimescaleDB: A Lifesaver for PostgreSQL When IoT Data Explodes

Port Knocking: How to Hide SSH Ports and Make Your Linux Server Invisible to Botnets

MySQL Deadlock: From a 2 AM Nightmare to a Definitive Resolution Guide

Fedora + TPM 2.0: Unlock LUKS Automatically for Lightning-Fast Booting Without Sacrificing Security

Automating ‘Log Peeking’: Lightning-Fast Error Analysis and Summarization with DeepSeek and Python

Cleaning Up Your Dockerfile with Hadolint: Stop Bloated and Insecure Images

Website Uptime Monitoring with Uptime Kuma: Stop Worrying About Midnight Server Crashes

The Secret to Server ‘Immortality’: Configuring HA Clusters with Pacemaker and Corosync

Web Dev on Windows: Say Goodbye to Dual Boot with WSL2 and Docker

Deep Cleaning Ubuntu: Purge Junk, Old Kernels, and Free Up GBs of Space