linux Archives – Page 2 of 3

How to Configure a DHCP Server with Cisco Switches and Set Up VLANs with Scope IP Addresses

Aug 7, 2026 • How To

Managing IP addresses by hand in a growing network quickly becomes a headache. This guide walks you through building a centralized DHCP setup using...

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The Complete Guide to Remote Shells and Secure File Transfers: Master SSH, Netcat, and Socat for Penetration Testing

Aug 7, 2026 • How To

Penetration testers and system administrators alike need reliable ways to move files and establish remote connections. This guide brings together the most practical techniques...

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How to Learn Bash Scripting: A Step-by-Step Guide for Absolute Beginners

Aug 6, 2026 • How To

Bash scripting turns repetitive terminal work into one-click automation. If you have ever typed the same sequence of commands more than twice, you need...

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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 Configure a DHCP Server with Cisco Switches and Set Up VLANs with Scope IP Addresses

The Complete Guide to Remote Shells and Secure File Transfers: Master SSH, Netcat, and Socat for Penetration Testing

How to Learn Bash Scripting: A Step-by-Step Guide for Absolute Beginners

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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