ITFROMZERO – Share tobe shared!

Installing and Configuring Open vSwitch (OVS) on Linux: VLAN, Bonding, and SDN

By admin May 20, 2026

Open vSwitch (OVS) is a powerful virtual switch for Linux virtualization environments, supporting VLAN 802.1Q, LACP bonding, VXLAN tunneling, and OpenFlow for SDN integration. This guide covers installation, practical configuration, and when to choose OVS over Linux Bridge.

Database

SurrealDB Tutorial: A Database to Replace PostgreSQL, Redis, and Neo4j?

By admin May 20, 2026

Forget about installing Postgres, Redis, and Neo4j all at once. Discover SurrealDB - a Multi-model database written in Rust that optimizes real-time applications and simplifies backend architecture.

Python

Automating Server Administration with Python Fabric: A Simpler Alternative to Paramiko

By admin May 20, 2026

Forget the complexity of Paramiko; Python Fabric is the ultimate tool for SysAdmins. Learn how to automate SSH, run parallel commands, and manage server clusters efficiently.

Monitoring

Zabbix & SNMP: Pro Tips for Monitoring Switches/Routers (No More Network “Blind Spots”)

By admin May 20, 2026

Don't let your network be a 'black box'. Here is a detailed guide on using Zabbix to monitor switches and routers via SNMP, helping you control traffic, CPU, and port errors in real-time.

Python

Ruff: The ‘Black and Flake8 Killer’ That Speeds Up Python Projects 100x

By admin May 20, 2026

Ruff is an ultra-fast Python linter and formatter written in Rust. Discover how to replace Black, Flake8, and isort to accelerate your development workflow.

Docker

Docker Log Driver & Fluent-bit: The Lifesaver for Microservices Systems

By admin May 20, 2026

Efficiently manage Docker logs with Fluent-bit. A detailed guide on configuring Log Driver to optimize RAM, prevent full disks, and centralize logs for microservices.

VMware

Advanced Cross vCenter vMotion: The Ultimate Guide to Migrating VMs Between vCenter Servers

By admin May 20, 2026

Migrating VMs between different vCenter versions and SSO Domains is no longer a nightmare. Discover how to use Advanced Cross vCenter vMotion to optimize your VMware infrastructure.

Centos

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.

Netdisco: Effortless Network Topology Automation and Switch Port Management

Snapshot Testing with Pytest-snapshot: Stop Struggling with Manual Assertions

Say Goodbye to Passwords: Implementing Magic Links with Node.js and Nodemailer

Securing Python Source Code with PyArmor: Effectively Preventing Reverse Engineering and Protecting Intellectual Property

Feature-Sliced Design (FSD): A ‘Divide and Conquer’ Solution for Large-Scale React Projects

Building Professional CLIs with Node.js and Oclif: From Fragmented Scripts to Standardized Tools

Implementing Circuit Breaker in Python: Don’t Let a Faulty API Crash Your Entire System

Deploying FastNetMon: A Lightweight DDoS Detection Solution via NetFlow/sFlow

3 Pro GraphQL Security Tips: Don’t Hand Hackers the Keys to Your Kingdom

Securing Sudo with 2FA: The Final Defense Against Root Hijacking

Installing and Configuring Open vSwitch (OVS) on Linux: VLAN, Bonding, and SDN

SurrealDB Tutorial: A Database to Replace PostgreSQL, Redis, and Neo4j?

Automating Server Administration with Python Fabric: A Simpler Alternative to Paramiko

Zabbix & SNMP: Pro Tips for Monitoring Switches/Routers (No More Network “Blind Spots”)

Ruff: The ‘Black and Flake8 Killer’ That Speeds Up Python Projects 100x

Docker Log Driver & Fluent-bit: The Lifesaver for Microservices Systems

Advanced Cross vCenter vMotion: The Ultimate Guide to Migrating VMs Between vCenter Servers

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