DevOps – ITFROMZERO – Share tobe shared!

Installing Firezone: An Open-Source Zero Trust (ZTNA) VPN Solution Based on WireGuard

By admin September 19, 2026

Forget slow and insecure traditional VPN solutions. This guide helps you deploy Firezone—a high-speed, secure, open-source ZTNA solution built on WireGuard.

Centos

Installing & Optimizing RabbitMQ on CentOS Stream 9: From Zero to Production

By admin September 19, 2026

A detailed guide on installing RabbitMQ on CentOS Stream 9. The article focuses on standard Erlang configuration, SSL/TLS security, and practical tips for RAM and Disk optimization.

Python

Building Your Own Linux Malware Scanner: Lightweight, Fast, and Flexible with Python & YARA

By admin September 19, 2026

Don't let malware slow down your server. Learn how to build a lightweight and effective malware scanner using Python and YARA, complete with Telegram alerts.

VMware

vSphere Automation with VEBA: Don’t Let vCenter Stay Silent During System Failures

By admin September 19, 2026

Forget manual vCenter log checks. This guide shows you how to use VEBA to automate vSphere incident alerts via Telegram, keeping your system under control.

Docker

End ‘YAML Hell’ with Dagger: Building CI/CD Pipelines using Python/Go

By admin September 19, 2026

End 'YAML Hell' with Dagger. A guide to building CI/CD pipelines using Python/Go for consistent build/test workflows from local machines to the Cloud.

MySQL

Deploying MySQL NDB Cluster: A “Zero Downtime” Database Solution for 99.999% Uptime Systems

By admin September 18, 2026

Learn how to deploy MySQL NDB Cluster to achieve 99.999% uptime. This article provides a detailed guide from Docker setups and the 3-node architecture to RAM and network infrastructure tips for DevOps/DBA engineers.

Development

Cypress E2E Testing: From Zero to a Real-World CI/CD Pipeline

By admin September 18, 2026

A detailed guide on using Cypress for professional End-to-End (E2E) testing. From quick setup to API mocking and CI/CD integration to optimize software quality.

Python

Manage Secrets Like a DevOps Pro: Mastering hvac Python and HashiCorp Vault

By admin September 18, 2026

The era of hardcoding API keys is over! Learn how to use the hvac library in Python to manage secrets professionally with HashiCorp Vault, from basics to advanced techniques.

Monitoring

Monitoring Memcached with Prometheus & Grafana: Decoding the ‘Blind Spots’ Overloading Your Database

By admin September 18, 2026

Is your system slow because of Memcached or the Database? Learn how to use Prometheus Memcached Exporter and Grafana to track Hit Rate, Evictions, and Memory Usage effectively.

Virtualization

Goodbye Docker Desktop: A Guide to Installing OrbStack on macOS to Speed Up Your Workflow

By admin September 18, 2026

OrbStack is currently the best Docker Desktop alternative for macOS. Learn how to install and use this ultra-lightweight tool that starts in just 2 seconds.