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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.

Building GraphRAG with LangChain and Neo4j: When AI Needs to Deeply Understand Data Relationships

By admin April 17, 2026

A guide to building a GraphRAG system by combining Neo4j and LangChain. This solution helps AI understand complex data relationships, reducing hallucinations and increasing accuracy compared to traditional RAG.

Docker

Migrating Docker Containers to a New Server: A ‘Manual’ but Rock-Solid Method

By admin April 17, 2026

Can't use a Docker Registry for migration? Try the docker save, load, and rsync combo. A detailed guide on safely moving containers and data to a new server.

Automating Proxmox with Terraform: From Manual ‘Click-ops’ to Professional IaC

Building a Data Streaming System with Apache Kafka and Node.js: From Zero to Production

Mastering Logical Replication in PostgreSQL: Flexible and Practical Data Sync

Mastering Fedora Security: Managing System-Wide Encryption with update-crypto-policies

Automating Dependencies with Renovate: Don’t Let Manual Updates Slow You Down

Harbor Installation Guide: Building a Professional Private Registry for DevOps

How to Never Forget SSL and Domain Renewals Again with Prometheus Blackbox Exporter

Boost Productivity with Git Aliases: Don’t Let Typing Commands Slow You Down

How to Safely Expose Docker Containers to the Internet via Cloudflare Tunnel (No Port Forwarding)

Self-hosting Grafana OnCall: Professional On-call Scheduling and Escalation for DevOps Teams

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

Building GraphRAG with LangChain and Neo4j: When AI Needs to Deeply Understand Data Relationships

Migrating Docker Containers to a New Server: A ‘Manual’ but Rock-Solid Method