ITFROMZERO – Share tobe shared!

Podman on CentOS Stream 9: Moving Beyond Docker for Enhanced Security with Rootless Containers

By admin May 20, 2026

Switching from Docker to Podman on CentOS Stream 9 is a smart move. This guide provides a detailed look at installation, rootless configuration, and Systemd management.

Artificial Intelligence tutorial - IT technology blog

Master Your Terminal with Shell-GPT: Bringing AI into Real-World DevOps Workflows

By admin May 19, 2026

Shell-GPT is more than a lookup tool — it's a powerful Linux command execution assistant. Discover how to install and use sgpt effectively for your DevOps workflow.

Virtualization

Nutanix Community Edition (CE) Installation Guide: Building a Professional HCI Lab

By admin May 19, 2026

The most detailed guide for Nutanix Community Edition (CE) installation. Learn about optimal hardware configurations and how to fix common HCI Lab errors.

Fedora

Mastering Authselect on Fedora: Professional and Secure PAM Configuration Management

By admin May 19, 2026

Stop manual PAM editing! Learn how to use authselect on Fedora to securely manage system authentication, from SSSD configuration to handling faillock account lockouts.

Development

Building a Real-time Notification System with Node.js and Redis Pub/Sub: Rescuing the Database at 2 AM

By admin May 19, 2026

Is your notification system overwhelming your database? Learn how to build a robust real-time architecture with Node.js and Redis Pub/Sub for superior performance.

Monitoring

Prometheus Process Exporter Guide: Detailed Monitoring of Linux Process Health

By admin May 19, 2026

A detailed guide on installing Prometheus Process Exporter to monitor CPU, RAM, and I/O of individual Linux processes, helping you pinpoint the exact cause of system overloads.

Development

Mastering Load Testing with k6: From Simple Scripts to CI/CD Automation

By admin May 19, 2026

A professional guide to REST API performance testing with k6. Sharing practical insights on stages, thresholds, and CI/CD integration to keep systems stable under heavy load.

Security

SBOM: The “X-Ray” for Dependency Analysis and Vulnerability Scanning with Syft & Grype

By admin May 19, 2026

Learn how to use Syft and Grype for dependency analysis and automated vulnerability scanning. Secure your software supply chain with SBOM – a modern security standard for SREs and DevSecOps.

MySQL

Professional Database Monitoring with MySQL Audit Log Plugin

By admin May 19, 2026

A detailed guide on installing and optimizing the Percona MySQL Audit Log Plugin. This solution tracks all user actions, protects sensitive data, and meets security standards for production systems.

Fedora

Seamlessly Replacing Fedora Packages with dnf swap and dnf shell

By admin May 19, 2026

Learn how to use dnf swap and dnf shell to replace packages, switch from MariaDB to MySQL, or install full FFmpeg on Fedora without dependency conflicts.

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

Podman on CentOS Stream 9: Moving Beyond Docker for Enhanced Security with Rootless Containers

Master Your Terminal with Shell-GPT: Bringing AI into Real-World DevOps Workflows

Nutanix Community Edition (CE) Installation Guide: Building a Professional HCI Lab

Mastering Authselect on Fedora: Professional and Secure PAM Configuration Management

Building a Real-time Notification System with Node.js and Redis Pub/Sub: Rescuing the Database at 2 AM

Prometheus Process Exporter Guide: Detailed Monitoring of Linux Process Health

Mastering Load Testing with k6: From Simple Scripts to CI/CD Automation

SBOM: The “X-Ray” for Dependency Analysis and Vulnerability Scanning with Syft & Grype

Professional Database Monitoring with MySQL Audit Log Plugin

Seamlessly Replacing Fedora Packages with dnf swap and dnf shell