linux Archives – GEANTECHNOLOGY

Transferring Files from the Command Line: A Practical Guide to Linux Shell and Windows PowerShell

Sep 14, 2026 • Linux

Copying a file between two machines is one of those tasks that looks simple until there’s no shared drive, no GUI, and no time...

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50 Linux Commands Every System Administrator Should Know

Sep 7, 2026 • Linux

New Linux servers land on your desk every week, and the terminal remains the fastest way to manage them. Whether you patch systems, troubleshoot...

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TACACS+ vs RADIUS: Choosing the Right AAA Protocol for Your Network

Sep 4, 2026 • Networks & Sytems

Network administrators face a critical decision when securing infrastructure: which AAA protocol best protects their environment? TACACS+ and RADIUS both deliver authentication, authorization, and...

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How to Configure Squid Proxy on Linux: A Practical Guide for Beginners

Aug 31, 2026 • How To

If you run a small office network or a home lab, you have probably wondered how to control internet access, block distracting sites, or...

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What Is a TACACS+ Server and How to Configure It: A Complete Guide

Aug 27, 2026 • How To

Managing access to dozens of network devices without a centralized system creates security gaps and operational headaches. Every switch, router, and firewall ends up...

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Understanding LVM in Linux: A Practical Guide to Flexible Storage

Aug 23, 2026 • How To

Every sysadmin eventually hits the same wall: a partition runs out of space, and the disk has no room left to grow. Traditional partitioning...

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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 VLAN Segmentation: A Practical Guide to Building Secure Enterprise Networks

Aug 17, 2026 • How To

Flat networks create flat problems. When every device shares the same broadcast domain, a single compromised endpoint can reach every server, printer, and workstation...

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How to Configure SSH Tunneling in Linux: A Practical Guide to Secure Port Forwarding

Aug 17, 2026 • How To

SSH tunneling opens an encrypted path through untrusted networks, letting you reach remote services safely. Many admins know the basics, but few use the...

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GEANTECHNOLOGY

Transferring Files from the Command Line: A Practical Guide to Linux Shell and Windows PowerShell

50 Linux Commands Every System Administrator Should Know

TACACS+ vs RADIUS: Choosing the Right AAA Protocol for Your Network

How to Configure Squid Proxy on Linux: A Practical Guide for Beginners

What Is a TACACS+ Server and How to Configure It: A Complete Guide

Understanding LVM in Linux: A Practical Guide to Flexible Storage

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 VLAN Segmentation: A Practical Guide to Building Secure Enterprise Networks

How to Configure SSH Tunneling in Linux: A Practical Guide to Secure Port Forwarding

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