ITFROMZERO – Share tobe shared!

Mastering CockroachDB: When a ‘Resilient’ SQL Database Helps You Sleep Better

By admin May 1, 2026

A 2 AM system crash is every developer's nightmare. Discover how to deploy CockroachDB—a distributed SQL database with self-healing capabilities for absolute uptime.

Security

Trivy: The ‘Sentry’ for Ultra-Fast Docker and K8s Vulnerability Scanning for DevOps

By admin May 1, 2026

Don't leave your container systems vulnerable to hackers. A detailed guide on using Trivy for Docker and Kubernetes scanning, with automated CI/CD integration in minutes.

Monitoring

Checkmk 101: Unified IT Monitoring on a Single Dashboard

By admin May 1, 2026

Centrally manage everything from Linux/Windows servers to Cisco and Mikrotik switches on a single dashboard. A detailed guide to optimizing IT infrastructure monitoring.

Fedora

Mastering Fedora: Installing Multimedia Codecs and NVIDIA Drivers Like a Pro

By admin April 30, 2026

Fix video playback issues and lag on Fedora. A guide to installing Multimedia Codecs and NVIDIA Drivers from RPM Fusion to optimize GPU performance and fix Secure Boot issues.

Fedora

Installing K3s on Fedora Server: Building a Cost-Effective Kubernetes Cluster for Your Home Lab

By admin April 30, 2026

Want to run Kubernetes on low-spec hardware? K3s on Fedora Server is the perfect solution. It uses only ~500MB RAM, installs in 10 minutes, and offers full features for your Home Lab.

Linux

Rescuing Linux Laptop Battery Life: Mastering the TLP and Powertop Duo

By admin April 30, 2026

Don't let your Linux laptop become a hand warmer. Here is a detailed guide on combining TLP and Powertop to increase battery life by 30-50% and keep your system cool.

Network

Configuring GRE and IPIP Tunnels on Linux: Lightweight Site-to-Site Connectivity Without a VPN

By admin April 30, 2026

A guide to configuring GRE and IPIP tunnels on Linux. This article focuses on practical setup, MTU/MSS optimization to prevent packet loss, and persistent configuration.

MySQL

MySQL Generated Columns: The Ultimate Query Speed ‘Hack’ Without Changing Code

By admin April 30, 2026

Don't let complex calculations slow down your database. Discover how to use MySQL Generated Columns to optimize indexes for JSON and calculated data for superior query performance.

Linux

Mastering Software RAID on Linux with mdadm: Practical Experience from Lab to Production

By admin April 30, 2026

A hands-on guide to managing RAID 1/5/6 on Linux using mdadm. Discover troubleshooting secrets and storage optimization tips based on real-world experience.

Ubuntu

How to Install Webmin on Ubuntu: Effortless Server Management with a Web UI

By admin April 30, 2026

Managing an Ubuntu server has never been easier. With Webmin, you can manage files, configure SSL, and monitor VPS resources directly in your browser without memorizing complex commands.

Configuring Multi-WAN Failover on Linux: A “Never-Down” Internet Solution with Keepalived

Podman Auto-update on Fedora: Automating Containers the Native Way

Installing MinIO on CentOS Stream 9: Build Your Own S3 Storage with SELinux and Firewalld

Installing Grafana on CentOS Stream 9: Professional Server Monitoring with Prometheus

SSH Bastion Host (Jump Server) Configuration Guide: A Secure Gateway for Linux Systems

Goodbye Cron Jobs: Building Durable Workflows with Temporal.io in Node.js

Goodbye Passwords: Implementing Passkeys (WebAuthn) with Node.js and SimpleWebAuthn

Installing Virtualmin on Ubuntu 22.04: A ‘$0’ Multi-Domain Hosting Management Solution

Mastering OpenSSL: From Creating Self-Signed Certs to ‘Lightning-Fast’ TLS Debugging

Deploying MySQL 8 on Fedora Server: Production Configuration Guide and SELinux Troubleshooting

Mastering CockroachDB: When a ‘Resilient’ SQL Database Helps You Sleep Better

Trivy: The ‘Sentry’ for Ultra-Fast Docker and K8s Vulnerability Scanning for DevOps

Checkmk 101: Unified IT Monitoring on a Single Dashboard

Mastering Fedora: Installing Multimedia Codecs and NVIDIA Drivers Like a Pro

Installing K3s on Fedora Server: Building a Cost-Effective Kubernetes Cluster for Your Home Lab

Rescuing Linux Laptop Battery Life: Mastering the TLP and Powertop Duo

Configuring GRE and IPIP Tunnels on Linux: Lightweight Site-to-Site Connectivity Without a VPN

MySQL Generated Columns: The Ultimate Query Speed ‘Hack’ Without Changing Code

Mastering Software RAID on Linux with mdadm: Practical Experience from Lab to Production

How to Install Webmin on Ubuntu: Effortless Server Management with a Web UI