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Securing Docker Images with Cosign: Thwarting Malware in the Software Supply Chain

By admin May 3, 2026

Forget Notary v1; Cosign is the new standard for Docker image security. This guide covers signing, verification, and CI/CD integration to protect your systems from malware.

Development

Building Job Queues with BullMQ and Redis: The Secret to Silky Smooth Background Processing

By admin May 2, 2026

Learn how to build a professional Job Queue system with BullMQ and Redis in Node.js. Optimize background tasks, automate retries, and boost application performance effectively.

Ubuntu

Build Your Own Home NAS with Ubuntu Server and OpenMediaVault: Optimized 10TB Storage

By admin May 2, 2026

Transform Ubuntu Server into a powerful Home NAS with OpenMediaVault. A detailed guide for beginners covering installation, disk management, and Docker media streaming.

Monitoring

Telegraf Installation Guide: The ‘Backbone’ of Metrics Collection for InfluxDB

By admin May 2, 2026

A detailed guide on installing and optimizing Telegraf. Collect metrics from Linux and Docker for InfluxDB to build a professional monitoring system.

Network

Implementing Dynamic Routing on Linux with FRRouting (FRR): From OSPF to BGP

By admin May 2, 2026

Instead of manual static route configuration, use FRRouting (FRR) to automate your Linux network. A detailed guide on practical OSPF and BGP setup.

Artificial Intelligence tutorial - IT technology blog

Langfuse (Self-hosted) Guide: Monitoring and Optimizing LLM Costs from A-Z

By admin May 2, 2026

A detailed guide on deploying Self-hosted Langfuse with Docker for LLM monitoring. Practical tips on token management, prompt debugging, and cutting API costs by 30%.

Python

Using Tenacity to ‘Resurrect’ Python Apps: Mastering API and Database Error Handling

By admin May 2, 2026

Is your system crashing due to unstable network connections? Discover Tenacity—the Python library for building professional retry mechanisms that make your code resilient against API and database failures.

Claude Code, Cursor, or Copilot? Comparing AI Coding Assistants in 2026

By admin May 2, 2026

A hands-on comparison of Claude Code, Cursor, and GitHub Copilot in 2026. Which tool should you use to refactor legacy code and handle midnight 500 errors most effectively?

Virtualization

Installing XCP-ng and Xen Orchestra: A Powerful and Cost-Effective VMware Alternative

By admin May 2, 2026

Install XCP-ng and Xen Orchestra to build a powerful open-source virtualization system as an effective VMware alternative. Detailed guide for SysAdmins and IT pros.

Claude Code Hooks: Don’t Let AI Mess Up Your Codebase

By admin May 2, 2026

Learn how to set up Hooks in Claude Code to automate linters, formatters, and security checks, making your AI workflow more stable and professional.

Systemd Hardening: Securing Services with ProtectSystem, ProtectHome, and PrivateTmp

Deploying a MongoDB Sharded Cluster with Docker Compose: Data Sharding for Large-Scale Applications

Juju and Charmed Operators on Ubuntu: Automating Deployment and Application Lifecycle Management with a Model-Driven Approach

Installing Proxmox VE on Raspberry Pi 5: Ultra Low-Cost ARM64 Home Lab with Debian Port

Manage MySQL Like a Pro: Boost Performance 200% with the mycli and mytop Duo

Building Spring Boot 3 & PostgreSQL REST APIs: From ‘Working’ Code to Production-Ready Systems

Building 2FA with Node.js: Don’t Let Passwords Be Your Only Line of Defense

Building a Batch Video Processing Automation System with Python and MoviePy: From Manual to ‘Industrialized’

Migrating MSSQL to MySQL: Pro Tips for Troubleshooting and Data Type Mismatches

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

Securing Docker Images with Cosign: Thwarting Malware in the Software Supply Chain

Building Job Queues with BullMQ and Redis: The Secret to Silky Smooth Background Processing

Build Your Own Home NAS with Ubuntu Server and OpenMediaVault: Optimized 10TB Storage

Telegraf Installation Guide: The ‘Backbone’ of Metrics Collection for InfluxDB

Implementing Dynamic Routing on Linux with FRRouting (FRR): From OSPF to BGP

Langfuse (Self-hosted) Guide: Monitoring and Optimizing LLM Costs from A-Z

Using Tenacity to ‘Resurrect’ Python Apps: Mastering API and Database Error Handling

Claude Code, Cursor, or Copilot? Comparing AI Coding Assistants in 2026

Installing XCP-ng and Xen Orchestra: A Powerful and Cost-Effective VMware Alternative

Claude Code Hooks: Don’t Let AI Mess Up Your Codebase