os Archives – GEANTECHNOLOGY

How to Compare Files and Directories with the Linux diff Command: A Complete Guide

Aug 22, 2026 • How To

Every Linux administrator eventually faces the same problem: two configuration files look almost the same, but something broke after the last edit. Manually scanning...

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Linux for Beginners: It is the Perfect Time to Make the Switch

Aug 19, 2026 • Linux

Every year, thousands of people ditch their old operating system and try Linux for the first time. Some do it to revive an aging...

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How to Configure NIC Teaming on Windows Server: A Complete Guide for IT Admins

Aug 8, 2026 • How To

Network downtime costs money. When a single network card fails and takes your file server or Hyper-V host offline, you learn quickly why redundancy...

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How to Analyze Linux Logs: A Blue Team’s Practical Guide

Aug 4, 2026 • How To

Every meaningful event on a Linux system leaves a trace somewhere — a failed SSH login, an unexpected sudo command, a firewall drop, a...

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How to Manage Capabilities in Linux: Fine-Grained Privileges Without Full Root

Aug 4, 2026 • How To

Giving an application full root access just so it can do one privileged thing — bind to port 80, capture network packets, change file...

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How to Manage a Firewall on Linux: iptables, firewalld, and What’s Actually Modern in 2026

Aug 4, 2026 • How To

A misconfigured firewall is one of the fastest ways to either get breached or lock yourself out of your own server — sometimes both...

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How to Manage Security & SSH: A Practical Guide for Linux Admins

Aug 3, 2026 • How To

If you administer Linux servers, two topics come up constantly: how to control what processes are actually allowed to do on the system, and...

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How to Manage Backup, Restore, and Compress Files in Linux: A Complete Guide

Aug 3, 2026 • How To

If you run a Linux server — whether it’s hosting a Nextcloud instance, a website, or critical business files — you already know that...

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How to Manage Cron Jobs in Linux: A Complete Sysadmin Guide

Aug 3, 2026 • How To

If you administer Linux servers, sooner or later you need tasks to run themselves — backups at 3 AM, log cleanups every week, disk...

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How to Manage Processes in Linux: A Practical Guide to ps, top, htop, and Kill Signals

Aug 2, 2026 • How To

Every command you run on a Linux machine — from a simple ls to a full database server — becomes a process the moment...

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GEANTECHNOLOGY

How to Compare Files and Directories with the Linux diff Command: A Complete Guide

Linux for Beginners: It is the Perfect Time to Make the Switch

How to Configure NIC Teaming on Windows Server: A Complete Guide for IT Admins

How to Analyze Linux Logs: A Blue Team’s Practical Guide

How to Manage Capabilities in Linux: Fine-Grained Privileges Without Full Root

How to Manage a Firewall on Linux: iptables, firewalld, and What’s Actually Modern in 2026

How to Manage Security & SSH: A Practical Guide for Linux Admins

How to Manage Backup, Restore, and Compress Files in Linux: A Complete Guide

How to Manage Cron Jobs in Linux: A Complete Sysadmin Guide

How to Manage Processes in Linux: A Practical Guide to ps, top, htop, and Kill Signals

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