admin – Page 45 – ITFROMZERO

Mastering OVF Tool: A Faster and More Stable VMware VM Migration Solution than GUI

By admin May 4, 2026

Say goodbye to browser-based VM upload errors. Discover how to use OVF Tool for fast, stable VMware VM exports and imports, including expert automation scripts.

Virtualization

Splitting GPUs with NVIDIA vGPU on Proxmox: Resource Optimization for Homelab and AI

By admin May 4, 2026

A detailed guide on setting up NVIDIA vGPU on Proxmox VE to partition GPU power for multiple virtual machines. An ideal solution for AI/ML and VDI to save on hardware costs.

Linux

GNU Parallel: Speed Up Linux Task Processing by 10x

By admin May 4, 2026

Learn how to use GNU Parallel to leverage the full power of multi-core CPUs on Linux. A detailed guide on processing files, parsing logs, and automating tasks 10x faster.

Git

Git Blame & Git Log -L: A “Time Machine” to Peer Into Every Line of Code’s History

By admin May 4, 2026

Master Git Blame and Git Log -L to deeply understand the context of changes on every line. These techniques help developers debug faster and avoid regressions in real-world projects.

MySQL

MySQL Router: The ‘Gatekeeper’ Enabling Automatic Failover and Fault Tolerance for InnoDB Clusters

By admin May 4, 2026

Don't let your database become a single point of failure. This guide covers how to set up MySQL Router to automate routing and failover for production InnoDB Clusters.

Docker

HTTPS for Local Docker: Setting Up a Pro “Green Padlock” with mkcert and Nginx

By admin May 4, 2026

How to configure HTTPS for Local Docker using mkcert and Nginx. Get a "green padlock" for virtual domains and test OAuth2 and Webhooks seamlessly.

Database

Deploying Patroni: The ‘Sleep Better’ Solution for PostgreSQL Administrators

By admin May 3, 2026

Database outages in the middle of the night are no longer a concern. A detailed guide on deploying Patroni to automate PostgreSQL Failover and ensure 24/7 availability.

Fedora

Preventing Brute-force Attacks on Fedora Server with Fail2ban: Don’t Leave SSH Doors Wide Open

By admin May 3, 2026

Don't let your Fedora Server crash due to brute-force attacks. Check out this guide to configuring Fail2ban to automatically block malicious IPs and secure SSH.

Linux

Slow Linux Boot? Use systemd-analyze to Trace and Optimize Immediately

By admin May 3, 2026

Don't let your Linux server boot slowly. Learn how to use systemd-analyze to track down bottlenecks and effectively optimize boot time in just a few steps.

Monitoring

Building a Centralized Logging System with Fluentd and OpenSearch: A Lightweight ELK Stack Alternative

By admin May 3, 2026

The days of SSH and 'tail -f' for logs are over. Build a lightweight centralized logging system with Fluentd and OpenSearch, using 1/10 the RAM of ELK Stack.