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Monitoring tutorial - IT technology blog

Sentry Self-hosted Installation Guide: Comprehensive Web Error Monitoring

By admin May 4, 2026

A detailed guide on deploying Sentry Self-hosted using Docker. Real-world insights to optimize debugging workflows and reduce operational costs for engineering teams.

Python

Lightning-Fast PDF Processing with Python and PyMuPDF: From Simple Scripts to Production

By admin May 4, 2026

Learn how to use PyMuPDF (fitz) for professional PDF processing: from structured text extraction and merging files to automated watermarking. An optimized solution for Python projects.

Fedora

Remote Desktop on Fedora: RDP over Wayland with Native Performance

By admin May 4, 2026

Forget VNC. RDP on Fedora Wayland is the new standard for Remote Desktop. Learn how to set it up in 5 minutes and get tips for fixing headless mode issues.

Centos

Nginx Reverse Proxy on CentOS Stream 9: From Load Balancing to SSL Let’s Encrypt

By admin May 4, 2026

A deep dive into setting up Nginx as a Reverse Proxy on CentOS Stream 9. Detailed guides on Load Balancing, SSL Termination, and fixing 502 errors caused by SELinux.

VMware

Mastering OVF Tool: A Faster and More Stable VMware VM Migration Solution than GUI

By admin May 4, 2026

Say goodbye to browser-based VM upload errors. Discover how to use OVF Tool for fast, stable VMware VM exports and imports, including expert automation scripts.

Virtualization

Splitting GPUs with NVIDIA vGPU on Proxmox: Resource Optimization for Homelab and AI

By admin May 4, 2026

A detailed guide on setting up NVIDIA vGPU on Proxmox VE to partition GPU power for multiple virtual machines. An ideal solution for AI/ML and VDI to save on hardware costs.

Linux

GNU Parallel: Speed Up Linux Task Processing by 10x

By admin May 4, 2026

Learn how to use GNU Parallel to leverage the full power of multi-core CPUs on Linux. A detailed guide on processing files, parsing logs, and automating tasks 10x faster.

Git

Git Blame & Git Log -L: A “Time Machine” to Peer Into Every Line of Code’s History

By admin May 4, 2026

Master Git Blame and Git Log -L to deeply understand the context of changes on every line. These techniques help developers debug faster and avoid regressions in real-world projects.

MySQL

MySQL Router: The ‘Gatekeeper’ Enabling Automatic Failover and Fault Tolerance for InnoDB Clusters

By admin May 4, 2026

Don't let your database become a single point of failure. This guide covers how to set up MySQL Router to automate routing and failover for production InnoDB Clusters.

Docker

HTTPS for Local Docker: Setting Up a Pro “Green Padlock” with mkcert and Nginx

By admin May 4, 2026

How to configure HTTPS for Local Docker using mkcert and Nginx. Get a "green padlock" for virtual domains and test OAuth2 and Webhooks seamlessly.