admin – Page 31 – ITFROMZERO

Optimizing SSD on Fedora with Btrfs Transparent Compression: “Expand” Your Storage for Free

By admin August 21, 2026

Save 30-60% of SSD space on Fedora by enabling Btrfs Transparent Compression. Detailed guide on configuring zstd and compressing existing data.

Security

Tlog Guide: The “Security Camera” for Recording Every Linux Terminal Session

By admin August 20, 2026

Forget .bash_history; tlog is the real security auditing tool for Linux. Record entire Terminal sessions and replay them like video for absolute system control.

VMware

Eliminate ‘Not Secure’ Warnings: How to Install Let’s Encrypt for VMware ESXi Using ACME

By admin August 20, 2026

Eliminate the annoying 'Not Secure' warning on VMware ESXi. Detailed guide on how to install free Let's Encrypt certificates via ACME.sh and DNS-01 challenge with ease.

Fedora

Fedora Security: Enable DNS-over-TLS (DoT) in 5 Minutes with systemd-resolved

By admin August 20, 2026

Encrypt DNS queries on Fedora in just 5 minutes. A detailed guide on configuring systemd-resolved to enable DNS-over-TLS (DoT) for better privacy and security.

Network

Upgrading Your Linux Network ‘Arsenal’: Experience the Trio of gping, bandwhich, and doggo

By admin August 20, 2026

Don't let dry ping text slow you down. Discover gping, bandwhich, and doggo—the trio of tools helping Linux sysadmins troubleshoot network issues 3x faster.

Artificial Intelligence tutorial - IT technology blog

Groq Cloud + Python: ‘Hack’ LLM Speed to 500 Tokens/Second

By admin August 20, 2026

Learn to integrate Groq Cloud API with Python to boost AI app speeds to 500 tokens/s. Tips on cost optimization, streaming, and effective rate limit handling.

Building a ‘Zero-Latency’ AI Voice Assistant with LiveKit and OpenAI Realtime API

By admin August 20, 2026

Build a low-latency AI Voice Assistant with OpenAI Realtime API and LiveKit. A detailed guide on reducing latency below 500ms and optimizing operational costs.

Linux

Turn Your Linux Server into a Time Machine Station: Seamless Wireless macOS Backups

By admin August 20, 2026

A detailed guide on turning a Linux server into a Time Machine backup station for macOS. A secure, automated, and cost-effective wireless backup solution.

Network

Containerlab Guide: Building Ultra-Lightweight Network Labs with Docker for NetDevOps

By admin August 20, 2026

Containerlab is a breakthrough tool that helps network engineers deploy labs using Docker instead of heavy virtual machines. Learn how to build IaC network models quickly and efficiently.

Development

Signals in React: The ‘Weapon’ for Optimizing Re-renders in Large-Scale Apps

By admin August 20, 2026

Signals help React applications achieve peak performance by updating the DOM directly and eliminating redundant re-renders. A perfect solution for big data dashboards.