admin – Page 48 – ITFROMZERO

Mastering Paramiko: Automating SSH and SFTP for Systems with Hundreds of Servers

By admin May 1, 2026

Learn how to use Paramiko to automate SSH and SFTP. Master remote command execution, file management, and performance optimization for managing multiple servers with Python.

Centos

Mastering ReaR (Relax-and-Recover): A Bare Metal Disaster Recovery Solution for CentOS

By admin May 1, 2026

Don't let server disasters keep you up at night. Learn how to use ReaR on CentOS for full system Bare Metal Recovery in just 15 minutes.

Network

Wake-on-LAN (WoL) on Linux: Don’t Let Turning On Your Server Become a Nightmare

By admin May 1, 2026

Stop letting remote server management haunt you. Here is a detailed guide on configuring Wake-on-LAN on Linux to boot your server remotely with a single command.

Database

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.