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How to Ping a Port Number in Linux

Introduction Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It is available for virtually all operating systems that have networking...

How to install and use SAR command (to Monitor system Performance) in Linux

Introduction System Activity Report (sar) is a Unix System V-derived system monitor command used to report on various system loads, including CPU activity, memory/paging, interrupts, device load, network and swap space utilization. Sar...

dust command in Linux

Hello, friends. In this post, we will help you with another great little utility for our terminal. Today you will learn how to use...

How to Install CSF Firewall on Debian 11

Hello, dear friends. In this post, you will learn how to install CSF Firewall on Debian 11. This firewall which is more advanced than...

Cortex Installation Guide

Cortex solves two common problems frequently encountered by SOCs, CSIRTs and security researchers in the course of threat intelligence, digital forensics and incident response:How...

How to Check CentOS Version

Introduction It’s useful to know the CentOS version and ensure your Linux operating system is up-to-date. Outdated software can cause serious security risks and vulnerabilities. In this tutorial, We...

How to use DD command and how to burn ISO using it

Copying your data as well as backing them up is a day-to-day tasks that we perform regularly. Thus we need a utility to perform...

Mount a remote folder with sshfs

Sometimes you just need to copy some files between two computers, you can do that with scp, sftp or rsync. But some of those...

Monitoring bandwidth on Linux with Nethogs

Hello, colleagues. It is the task of any computer scientist to know how to manage the bandwidth of a computer. Especially if this computer...

How to find duplicate files in Linux

Hello, friends. Working in the terminal is common for all of us who work with Linux servers. However, in between uses, there may be...

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