Database tutorial - IT technology blog

YugabyteDB: A Guide to Setting Up PostgreSQL-Compatible Distributed SQL with Auto-Sharding and Automatic Fault Tolerance

YugabyteDB is a PostgreSQL-compatible distributed SQL database with auto-sharding, automatic fault tolerance, and multi-region deployment — no changes to your SQL or ORM required. This guide covers installation from a single-node Docker setup to a real 3-node cluster, along with practical tips for working with distributed databases.
Monitoring tutorial - IT technology blog

How to Install and Configure Grafana Beyla: Automatic Application Monitoring Without Code Changes Using eBPF for Go, Python, and Node.js

Grafana Beyla uses eBPF to automatically collect metrics and traces from Go, Python, and Node.js applications — no code changes, no SDK installation required. This post walks through installing and configuring Beyla, and shares real-world results after 6 months running on production with Prometheus + Grafana.
Fedora tutorial - IT technology blog

Installing and Configuring Redis on Fedora Server: Handling SELinux and firewalld for High-Performance Cache Server Deployment

Redis on Fedora Server won't connect after installation — the root cause typically comes from three layers: the default localhost bind address, firewalld blocking port 6379, and SELinux enforcing mode denying network connections. This article goes straight to fixing all three, with a production security deployment checklist included.